CN214083628U

CN214083628U - Think political affairs presentation device for teaching

Info

Publication number: CN214083628U
Application number: CN202120027578.1U
Authority: CN
Inventors: 申斯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-08-31
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a presentation device for thinking political affairs teaching, which relates to the technical field of classroom demonstration, and comprises a blackboard, a frame and a fixed block, wherein the lower end of the outer wall of the blackboard is fixedly connected with a convex block, the left side surface and the right side surface of the blackboard are fixedly connected with the frame, the outer wall of the frame is fixedly connected with a loudspeaker, the outer wall of the left side of the frame is fixedly connected with a supporting plate, the upper end of the frame is welded with the fixed block, the inner part of the fixed block is rotatably connected with a first rotating shaft, the outer wall of the first rotating shaft is fixedly connected with a curtain, the back surface of the first rotating shaft is fixedly connected with a fixed ring, the outer wall of the fixed ring is fixedly connected with a pull rope, the outer wall of the curtain is fixedly connected with a bound edge, the cross rod is rotatably fixed with the supporting plate along a second rotating shaft by arranging a cross rod and a pipeline, the pipeline is connected with a dust collection device, when the dust collection device is started, dust falling down along the hole of the back surface of the cross rod when a rolling brush and the curtain are rubbed, the inlet duct then runs along the duct into the interior of the suction device.

Description

Think political affairs presentation device for teaching

Technical Field

The utility model relates to a classroom demonstration technical field specifically is a think political affairs teaching and use presentation device.

Background

Ideology refers to that all kinds of courses and ideological and political theory courses are executed in the same direction in the form of constructing complete member, complete course and complete course cultivating forms to form a synergistic effect, the 'Lide Tree people' is taken as a comprehensive education idea of the basic task of education, the main form of course ideology is to integrate ideological and political education elements including theoretical knowledge, value idea, spirit pursuit and the like of ideological and political education into all courses, the ideology consciousness and behavior of students are influenced in a subtler manner, and teaching of the courses can be deepened by using a demonstration device in the course of ideology teaching.

The prior art has the following defects: present think political affairs presentation device for teaching, generally through better demonstration on the screen of projecting with course content by the projecting apparatus, but dust etc. that the chalk stayed in the classroom easily adhere at the screen outer wall, influence the projection effect of screen to the projection light source is too strong, comparatively dazzles when watching.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a think political affairs presentation device for teaching to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a presentation device for thinking political affairs teaching comprises a blackboard, a frame and a fixed block, wherein the lower end of the outer wall of the blackboard is fixedly connected with a convex block, the left side surface and the right side surface of the blackboard are fixedly connected with the frame, the outer wall of the frame is fixedly connected with a loudspeaker, the left side outer wall of the frame is fixedly connected with a supporting plate, the upper end of the frame is welded with the fixed block, the inner part of the fixed block is rotatably connected with a first rotating shaft, the outer wall of the first rotating shaft is fixedly connected with a curtain, the back surface of the first rotating shaft is fixedly connected with a fixed ring, the outer wall of the fixed ring is fixedly connected with a stay cord, the outer wall of the curtain is fixedly connected with a covered edge, the lower end of the curtain is fixedly connected with a socket, the right side outer wall of the frame is fixedly connected with a second rotating shaft, the outer wall of the second rotating shaft is rotatably connected with a cross bar, the back surface of the cross bar is rotatably connected with a rolling brush, the right side face of the cross rod is fixedly connected with a pipeline, and holes are formed in the back face of the cross rod.

Preferably, the length and width of the socket are greater than those of the convex block, and the convex block is made of a magnet material.

Preferably, the width of the rolling brush is equal to the width of the curtain, and the outer wall of the rolling brush is attached to the curtain.

Preferably, the color of the edge cover is black.

Preferably, the pipeline is matched with the hole, and the lower end of the pipeline is connected with a dust suction device.

Preferably, fixed ring is provided with two altogether, and fixed ring mirror image sets up, one with the inner wall connection of fixed block, another with the outer wall connection of first pivot.

Preferably, the width of the cross rod is larger than that of the blackboard, the lower end of the cross rod is provided with a groove, and the groove is attached to the supporting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a think political affairs presentation device for teaching, through setting up the round brush, when the curtain is pulled down, covers the outer wall of blackboard, the curtain rubs with the round brush at the in-process that removes, and the round brush rotates the dust of striking off the curtain outer wall, and the flaw is left to the outer wall when preventing its projection.

(2) The utility model provides a think political affairs presentation device for teaching, through setting up horizontal pole and pipeline, the horizontal pole rotates along the second pivot and fixes with the layer board, and pipe connection dust extraction, when dust extraction starts, the dust that falls down when round brush and curtain friction along the hole at the horizontal pole back, get into the pipeline then along the inside that the pipeline got into dust extraction.

(3) The utility model provides a think political affairs presentation device for teaching, bordures and the frame through the setting, and the curtain in the middle of the frame clip blocks the light source of curtain left and right sides, receives external light beam influence when preventing the projecting apparatus projection, and bordure's colour is black, and black has light absorption nature, prevents that the light source from too crossing dazzling when light contrast is great and causing the injury to eyes.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the fixing block of the present invention;

fig. 3 is an enlarged schematic structural view of fig. 1A of the present invention;

fig. 4 is a schematic view of the back structure of the cross bar of the present invention.

In the figure: 1. a blackboard; 101. a raised block; 2. a frame; 201. a speaker; 202. a support plate; 3. a fixed block; 4. a first rotating shaft; 401. a curtain; 402. a fixing ring; 403. pulling a rope; 404. edge covering; 405. A socket; 5. a second rotating shaft; 6. a cross bar; 601. rolling and brushing; 602. a pipeline; 603. and (4) holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a presentation device for thinking political affairs teaching comprises a blackboard 1, a frame 2 and a fixed block 3, wherein the lower end of the outer wall of the blackboard 1 is fixedly connected with a convex block 101, the left side surface and the right side surface of the blackboard 1 are fixedly connected with the frame 2, the outer wall of the frame 2 is fixedly connected with a loudspeaker 201, the left side outer wall of the frame 2 is fixedly connected with a supporting plate 202, the upper end of the frame 2 is welded with the fixed block 3, the inner part of the fixed block 3 is rotatably connected with a first rotating shaft 4, the outer wall of the first rotating shaft 4 is fixedly connected with a curtain 401, the back surface of the first rotating shaft 4 is fixedly connected with a fixed ring 402, the outer wall of the fixed ring 402 is fixedly connected with a pull rope 403, the outer wall of the curtain 401 is fixedly connected with an edge covering 404, the lower end of the curtain 401 is fixedly connected with a socket 405, the right side outer wall of the frame 2 is fixedly connected with a second rotating shaft 5, the outer wall of the second rotating shaft 5 is rotatably connected with a cross rod 6, and the back surface of the cross rod 6 is rotatably connected with a rolling brush 601, the right side of horizontal pole 6 is fixedly connected with pipeline 602, and the hole 603 has been seted up to the back of horizontal pole 6.

Referring to fig. 1 and 2, the length and width of the socket 405 are greater than those of the protruding block 101, the protruding block 101 is made of a magnet material, the color of the covered edge 404 is black, the pipeline 602 is matched with the hole 603, the lower end of the pipeline 602 is connected with a dust collector, two fixing rings 402 are arranged, the fixing rings 402 are arranged in a mirror image mode, one fixing ring is connected with the inner wall of the fixing block 3, the other fixing ring is connected with the outer wall of the first rotating shaft 4, the width of the cross rod 6 is greater than that of the blackboard 1, the lower end of the cross rod 6 is provided with a groove, and the groove is attached to the supporting plate 202; through setting up horizontal pole 6 and pipeline 602, horizontal pole 6 rotates along second pivot 5 and is fixed with layer board 202, dust extraction is connected to pipeline 602, when dust extraction starts, the dust that falls down when round brush 601 rubs with curtain 401 is along the hole 603 at the horizontal pole 6 back, get into pipeline 602 then along the inside that pipeline 602 got into dust extraction, 404 and frame 2 bordure through setting up, frame 2 cliies middle curtain 401, block the light source of curtain 401 left and right sides, receive external light beam influence when preventing the projecting apparatus projection, the colour of borduring 404 is black, black has the light absorption, the light source causes the injury to eyes too dazzling when preventing the light contrast great.

Referring to fig. 3 and 4, the width of the rolling brush 601 is equal to the width of the curtain 401, and the outer wall of the rolling brush 601 is attached to the curtain 401; through setting up the round brush 601, when curtain 401 pulled down, cover the outer wall of blackboard 1, curtain 401 is at the in-process and the friction of round brush 601 that remove, and the round brush 601 rotates the dust of scraping curtain 401 outer wall, and the outer wall leaves the flaw when preventing its projection.

The working principle is as follows: when the device is used, firstly, the cross rod 6 is rotated to the left, the cross rod 6 rotates along the second rotating shaft 5, the lower surface is attached to the supporting plate 202 to fix the cross rod 6, then the curtain 401 is pulled downwards, the curtain 401 rotates along the first rotating shaft 4 when being pulled, the fixing ring 402 on the rotating back surface of the first rotating shaft 4 pulls the pull rope 403 to generate tension so as to facilitate the contraction of the curtain 401, the curtain 401 rubs against the rolling brush 601 in the moving process, the rolling brush 601 rotates to scrape off the dust on the outer wall of the curtain 401 to prevent the outer wall from leaving flaws when the curtain is projected, then the dust suction device electrically connected through a conducting wire is started, the dust suction device is connected with the pipeline 602 to generate suction, the dust dropped when the rolling brush 601 rubs against the curtain 401 enters the pipeline 602 along the hole 603 on the back surface of the cross rod 6 and then enters the inside of the dust suction device along the pipeline 602, and then the socket 405 at the lower end of the curtain 401 is attached to the protruding block 101, fixed curtain 401, curtain 401 fixes the back, right turn horizontal pole 6, expose the position in the middle of curtain 401, then open the projecting apparatus, with course content projection at the outer wall of curtain 401, make its better demonstration, curtain 401 in the middle of cliping at projecting apparatus projected in-process frame 2, block the light source of curtain 401 left and right sides, receive external light beam influence when preventing the projecting apparatus projection, the colour of borduring 404 is black, black has light absorption, the light source causes the injury to eyes too dazzling when preventing the light contrast great.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a think political affairs presentation device for teaching, includes blackboard (1), frame (2) and fixed block (3), its characterized in that: the blackboard comprises a blackboard (1), a protruding block (101) fixedly connected with the lower end of the outer wall of the blackboard (1), a frame (2) fixedly connected with the left side surface and the right side surface of the blackboard (1), a loudspeaker (201) fixedly connected with the outer wall of the frame (2), a supporting plate (202) fixedly connected with the outer wall of the left side of the frame (2), a fixed block (3) welded at the upper end of the frame (2), a first rotating shaft (4) rotatably connected with the inside of the fixed block (3), a curtain (401) fixedly connected with the outer wall of the first rotating shaft (4), a fixed ring (402) fixedly connected with the back of the first rotating shaft (4), a pull rope (403) fixedly connected with the outer wall of the fixed ring (402), a bound edge (404) fixedly connected with the outer wall of the curtain (401), a socket (405) fixedly connected with the lower end of the curtain (401), and a second rotating shaft (5) fixedly connected with the outer wall of the right side of the frame (2), the outer wall of second pivot (5) rotates and is connected with horizontal pole (6), the back of horizontal pole (6) rotates and is connected with round brush (601), the right flank fixedly connected with pipeline (602) of horizontal pole (6), hole (603) have been seted up at the back of horizontal pole (6).

2. The presentation device for thinking of political affairs teaching according to claim 1, wherein: the length and the width of the socket (405) are larger than those of the convex block (101), and the convex block (101) is made of a magnet material.

3. The presentation device for thinking of political affairs teaching according to claim 1, wherein: the width of the rolling brush (601) is equal to that of the curtain (401), and the outer wall of the rolling brush (601) is attached to the curtain (401).

4. The presentation device for thinking of political affairs teaching according to claim 1, wherein: the color of the edge cover (404) is black.

5. The presentation device for thinking of political affairs teaching according to claim 1, wherein: the pipeline (602) is matched with the hole (603), and the lower end of the pipeline (602) is connected with a dust suction device.

6. The presentation device for thinking of political affairs teaching according to claim 1, wherein: fixed ring (402) are provided with two altogether, and fixed ring (402) mirror image sets up, one with the inner wall connection of fixed block (3), another and the outer wall connection of first pivot (4).

7. The presentation device for thinking of political affairs teaching according to claim 1, wherein: the width of the cross rod (6) is larger than that of the blackboard (1), the lower end of the cross rod (6) is provided with a groove, and the groove is attached to the supporting plate (202).