CN113570913A

CN113570913A - Teaching demonstration equipment for compulsory education

Info

Publication number: CN113570913A
Application number: CN202110803794.5A
Authority: CN
Inventors: 吴雪利
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-10-29

Abstract

The invention discloses teaching demonstration equipment for compulsory education, which comprises a side mounting plate, wherein a main body mounting plate is arranged at the back position of the side mounting plate, a plurality of sliding rods are arranged at the outer side position of the side mounting plate, a plurality of rectangular placing frames are arranged on the sliding rods, a blackboard is arranged in each rectangular placing frame, rotating rods are arranged at the upper and lower positions of one end of the blackboard, a back clamping rod is arranged at the other end of the blackboard corresponding to each rectangular placing frame, and an external clamping rod is arranged at the front position of the back clamping rod on each rectangular placing frame. The teaching demonstration equipment for compulsory education, which belongs to the field of teaching equipment, is convenient for a user to clean dust in the equipment through the arranged structure, can adjust the position of a computer screen forwards, avoids the equipment from covering the edge position of the computer screen, can pull a blackboard structure outwards, and is convenient for students to observe contents when light reflection occurs.

Description

Teaching demonstration equipment for compulsory education

Technical Field

The invention relates to the field of demonstration equipment, in particular to teaching demonstration equipment for compulsory education.

Background

The compulsory education is the education that all the children and teenagers of the suitable age must accept, the public welfare that the country must guarantee, the compulsory education quality is concerned with the healthy growth of hundreds of millions of teenagers and the development of concerned countries, the future of the concerned countries, this is really the system of compulsory education of a certain age limit that the country implements children and teenagers according to the regulation of law, the compulsory education is also called compulsory education and free compulsory education, the compulsory education has the essential characteristics of compulsory, free, popularity and custom, in the stage of compulsory education, the teaching equipment that instructor and staff use is more commonly used is the blackboard, along with the continuous development of science and technology and the continuous provision of education expenses, the present blackboard adopts the multimedia teaching equipment that combines the blackboard and the computer screen together, divides the blackboard into a plurality of plates, installs in a rectangular frame, the blackboard slides through the chute on the rectangular frame body, the computer screen is placed at the central position in the rectangular frame body, the teaching staff can write part of teaching contents on the blackboard on the side surface through the computer screen while demonstrating the teaching contents to students, the operation is more flexible and convenient than that of the traditional projection screen, but in the actual use process, because the sealing structure is arranged around the rectangular frame body, the dust of chalk is easy to accumulate in the rectangular frame body, the dust is inconvenient to clean because the computer screen is positioned at the back position in the rectangular frame body, and when the computer screen is observed by students, the contents at the edge position of the computer screen are easy to be shielded, so that the students cannot observe, and the reflection phenomenon often occurs in the use process of the blackboard, so that the students at the left side and the right side cannot watch the contents, the blackboard structure is just easy to adjust to the left and right sides, so that the blackboard is inconvenient to use.

Disclosure of Invention

The invention mainly aims to provide a teaching demonstration device for obligation education, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a teaching demonstration device for obligation education comprises a side mounting plate, wherein a main body mounting plate is arranged at the back position of the side mounting plate, a plurality of sliding rods are arranged at the outer side position of the side mounting plate, a plurality of rectangular placing frames are arranged on the sliding rods, a blackboard is arranged in each rectangular placing frame, a rotating rod is arranged at the upper position and the lower position of one end of the blackboard, a back clamping rod is arranged at the other end of the blackboard on each rectangular placing frame, an external clamping rod is arranged at the front position of each back clamping rod on each rectangular placing frame, an internal protection frame body is arranged at the middle position of each main body mounting plate, an internal sleeve is arranged in each internal protection frame, an internal telescopic rod is arranged in each internal sleeve, an internal bearing is arranged on each internal telescopic rod, an internal clamping rod is arranged on each internal bearing, and an internal mounting plate is arranged at the front position of each internal telescopic rod, the novel computer protection frame is characterized in that a computer screen is arranged on the inner mounting plate, a bottom storage plate is arranged on the bottom surface of the side mounting plate, a triangular mounting plate is arranged at the inner side position of the corner around the inner protection frame, and a bottom annular mounting plate is arranged at the bottom position of the inner sleeve.

Preferably, the number of side mounting panel is two, the number of main part mounting panel is two equally, the slide bar is two sets ofly, and the number of every group slide bar is two, the slide bar is located the upper portion and the lower part position of side mounting panel.

Preferably, the left and right positions of the upper end and the lower end of the rectangular placing frame are respectively provided with a bottom sliding sleeve, the rectangular placing frame is movably installed with a sliding rod through the bottom sliding sleeves, and the sliding rod is fixedly installed with a side installation plate through welding.

Preferably, the upper portion and the lower part position of main part mounting panel all are provided with a mounting hole, the quantity of a mounting hole on the main part mounting panel is two, the quantity of triangle mounting panel is four, be provided with the mounting hole No. two on the triangle mounting panel, triangle mounting panel and inside protection framework pass through welded fastening and install, the upper portion and the lower part position of bottom annular mounting panel are provided with the mounting hole No. three, the quantity of the mounting hole No. three on the bottom annular mounting panel is two.

Preferably, a front through hole is formed in the front end of the inner sleeve corresponding to the position of the inner telescopic rod, and the inner telescopic rod is movably mounted in the front through hole of the inner sleeve.

Preferably, an upper movable groove is formed in the position of the upper end of the side face of the inner sleeve, upper clamping grooves are formed in the side face of the inner sleeve in positions in front of and behind the upper movable groove, the upper movable groove is communicated with the upper clamping grooves, and the inner clamping rod is movably mounted in the upper movable groove and the upper clamping grooves.

Preferably, an inner movable plate is arranged at the inner end of the inner telescopic rod and movably mounted in the inner sleeve, and a first spring is arranged at the inner side of the inner movable plate in the inner sleeve.

Preferably, a rotating hole is formed in the rectangular placing frame corresponding to the rotating rod, and the rotating rod is movably arranged in the rotating hole.

Preferably, the number of the back clamping rods on the rectangular placing frame is two, and the back clamping rods are located at the upper portion and the lower portion of the rectangular placing frame.

Preferably, the position that corresponds outside kelly on the rectangle rack is provided with built-in groove of accomodating, built-in inslot of accomodating is provided with built-in bottom plate, outside kelly movable mounting is in built-in inslot of accomodating, built-in inslot of accomodating is located and is provided with No. two springs between outside kelly and the built-in bottom plate, the both ends of No. two springs respectively with outside kelly, built-in bottom plate fixed mounting.

Compared with the prior art, the invention has the following beneficial effects: by adopting the structures such as the sliding rod and the like, the structures such as the inner sleeve and the like are used for replacing the traditional sliding groove structure, so that chalk dust is not easy to accumulate on the sliding rod, the chalk dust can conveniently fall down to enter the bottom containing plate, the space between equipment structures is larger, and the dust is more convenient to clean;

through the arrangement of the inner sleeve and other structures, the computer screen is conveniently pulled outwards, so that the computer screen moves forwards to be positioned at the outer side position, the content at the edge position of the computer screen is prevented from being shielded, the content on the computer screen is easier to observe, and students can conveniently observe the content of the computer screen;

through the dwang and outside kelly isotructure that set up, the user of being convenient for pulls the blackboard to the outside left and right sides for the blackboard is to the left side or to the right side rotating part, when taking place the reflection of light, with the blackboard to the outside pulling part, makes the student of the left and right sides can observe the content, and this structure is convenient for the user to pull open the blackboard, thereby be convenient for clear up the inside position of blackboard, make the clearance dust more convenient

Drawings

FIG. 1 is a schematic view showing the overall construction of a teaching demonstration apparatus for compulsory education according to the present invention;

FIG. 2 is a schematic structural diagram of an internal protective frame of a teaching demonstration device for compulsory education according to the present invention;

FIG. 3 is a schematic view showing the construction of an inner casing of a teaching demonstration apparatus for compulsory education according to the present invention;

FIG. 4 is a schematic view showing the construction of an internal bearing of the teaching demonstration apparatus for compulsory education according to the present invention;

FIG. 5 is a schematic structural diagram of a blackboard of a teaching demonstration device for compulsory education according to the present invention

Fig. 6 is a schematic structural view of a built-in storage groove of a teaching demonstration apparatus for obligation education according to the present invention.

In the figure: 1. a side mounting plate; 2. a main body mounting plate; 3. a first mounting hole; 4. a slide bar; 5. a rectangular placing rack; 6. a bottom sliding sleeve; 7. a blackboard; 8. an internal protective frame; 9. a computer screen; 10. a triangular mounting plate; 11. a second mounting hole; 12. an inner mounting plate; 13. an inner sleeve; 14. an inner telescoping rod; 15. an upper movable groove; 16. an upper clamping groove; 17. a bottom annular mounting plate; 18. a third mounting hole; 19. a front through hole; 20. a first spring; 21. an inner movable plate; 22. an inner bearing; 23. an internal clamping bar; 24. rotating the hole; 25. rotating the rod; 26. an external clamping rod; 27. a back clamping rod; 28. a receiving groove is arranged inside; 29. a bottom plate is arranged inside; 30. a second spring; 31. a bottom receiving plate.

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 figures 1-6, a teaching demonstration device for obligation education comprises a side mounting plate 1, a main body mounting plate 2 is arranged at the back of the side mounting plate 1, a plurality of sliding rods 4 are arranged at the outer side of the side mounting plate 1, a plurality of rectangular placing frames 5 are arranged on the sliding rods 4, a blackboard 7 is arranged in each rectangular placing frame 5, a rotating rod 25 is arranged at the upper and lower positions of one end of the blackboard 7, a back clamping rod 27 is arranged at the other end of the blackboard 7 corresponding to each rectangular placing frame 5, an external clamping rod 26 is arranged at the front end of each back clamping rod 27 on each rectangular placing frame 5, an internal protection frame 8 is arranged at the middle position of the main body mounting plate 2, an internal sleeve 13 is arranged in each internal protection frame 8, an internal telescopic rod 14 is arranged in each internal sleeve 13, an internal bearing 22 is arranged on each internal telescopic rod 14, and an internal clamping rod 23 is arranged on each internal bearing 22, an inner mounting plate 12 is arranged at the front end of the inner telescopic rod 14, a computer screen 9 is arranged on the inner mounting plate 12, a bottom storage plate 31 is arranged at the bottom surface of the side mounting plate 1, a triangular mounting plate 10 is arranged at the inner side position of the corner around the inner protective frame body 8, and a bottom annular mounting plate 17 is arranged at the bottom position of the inner sleeve 13.

In the present invention, for the installation of the main body mounting plate 2 and the wall, the number of the side mounting plates 1 is two, the number of the main body mounting plates 2 is also two, the number of the sliding bars 4 is two, and the sliding bars 4 of each set are located at the upper and lower positions of the side mounting plates 1.

In the invention, in order to conveniently and movably install the rectangular placing frame 5, the left and right positions of the upper end and the lower end of the rectangular placing frame 5 are respectively provided with the bottom sliding sleeve 6, the rectangular placing frame 5 is movably installed with the sliding rod 4 through the bottom sliding sleeve 6, and the sliding rod 4 is fixedly installed with the side surface installation plate 1 through welding.

In the invention, in order to install the main body installation plate 2, the upper part and the lower part of the main body installation plate 2 are both provided with the first installation holes 3, the number of the first installation holes 3 on the main body installation plate 2 is two, the number of the triangular installation plates 10 is four, the triangular installation plates 10 are provided with the second installation holes 11, the triangular installation plates 10 and the inner protection frame body 8 are fixedly installed through welding, the upper part and the lower part of the bottom annular installation plate 17 are provided with the third installation holes 18, and the number of the third installation holes 18 on the bottom annular installation plate 17 is two.

In the present invention, in order to allow the inner telescopic rod 14 to be movably extended and retracted, the front end of the inner casing 13 is provided with a front through hole 19 corresponding to the position of the inner telescopic rod 14, and the inner telescopic rod 14 is movably installed in the front through hole 19 of the inner casing 13.

In the invention, in order to fix the internal clamping rod 23, an upper movable groove 15 is arranged at the upper end position of the side surface of the internal sleeve 13, upper clamping grooves 16 are arranged at the front and rear positions of the upper movable groove 15 on the side surface of the internal sleeve 13, the upper movable groove 15 is communicated with the upper clamping grooves 16, and the internal clamping rod 23 is movably arranged in the upper movable groove 15 and the upper clamping grooves 16.

In the present invention, in order to facilitate the pushing of the inner telescopic rod 14, an inner movable plate 21 is disposed at an inner end position of the inner telescopic rod 14, the inner movable plate 21 is movably mounted in the inner sleeve 13, and a first spring 20 is disposed at an inner side position of the inner movable plate 21 in the inner sleeve 13.

In the present invention, in order to facilitate the installation of the rotating rod 25, a rotating hole 24 is formed in the rectangular rack 5 at a position corresponding to the rotating rod 25, and the rotating rod 25 is movably installed in the rotating hole 24.

In the present invention, in order to facilitate the catching of the back of the blackboard 7, the number of the back catch levers 27 on the rectangular rack 5 is two, and they are located at the upper and lower positions of the rectangular rack 5.

In addition, a built-in storage groove 28 is formed in the rectangular placement frame 5 corresponding to the position of the external clamping rod 26, a built-in bottom plate 29 is arranged in the built-in storage groove 28, the external clamping rod 26 is movably mounted in the built-in storage groove 28, a second spring 30 is arranged between the external clamping rod 26 and the built-in bottom plate 29 in the built-in storage groove 28, two ends of the second spring 30 are fixedly mounted with the external clamping rod 26 and the built-in bottom plate 29 respectively, and the external clamping rod 26 is stretched and retracted in order to facilitate movement.

It should be noted that the invention is a teaching demonstration device for obligation education, which makes a rectangular placing frame 5 slide on a sliding rod 4 through a bottom sliding sleeve 6 by structures of the sliding rod 4 and the bottom sliding sleeve 6, and the sliding rod 4 is circular, so that dust is not easy to accumulate on the sliding rod 4, and a relatively large gap is arranged between the sliding rods 4, so that dust is not easy to accumulate on the sliding rod 4, and can fall down to a bottom accommodating plate 31, so that dust is not easy to accumulate and hide inside the device, thereby facilitating the user to clean the dust, when the device shields the edge position of a computer screen 9, an inner clamping rod 23 is rotated upwards, so that the inner clamping rod 23 is rotated upwards on an inner telescopic rod 14 through an inner bearing 22, thereby the inner clamping rod 23 in the upper clamping groove 16 at the bottom position is moved from the upper clamping groove 16 to the upper movable groove 15, at this time, the first spring 20 in a compressed state starts to be expanded again, the internal movable plate 21 is pushed to move forward, the internal telescopic rod 14 in the front of the internal movable plate 21 starts to move forward synchronously, the internal clamping rod 23 moves to the upper clamping groove 16 in the front position, the internal clamping rod 23 is rotated to the side at this time, the internal clamping rod 23 rotates on the internal telescopic rod 14 through the internal bearing 22, and is clamped into the upper clamping groove 16 in the front position, the internal mounting plate 12 starts to move forward synchronously with the forward movement of the internal telescopic rod 14, the computer screen 9 starts to move forward, the position of the computer screen 9 is moved forward, and therefore the edge position content on the computer screen 9 is prevented from being shielded, so that students can observe the content on the computer screen 9 conveniently, after the computer screen 9 is used, the internal clamping rod 23 is rotated reversely, and the internal clamping rod 23 is moved out of the upper clamping groove 16 in the front position, entering the upper movable slot 15, pressing the inner mounting plate 12 at this time to move the inner telescopic rod 14 inwards, moving the inner movable plate 21 inwards, compressing the first spring 20, when the inner clamping rod 23 moves to the upper clamping slot 16 at the bottom position, rotating the inner clamping rod 23 to the side, clamping the inner clamping rod 23 into the upper clamping slot 16 at the bottom position, fixing the inner telescopic rod 14, accommodating the computer screen 9, when the left and right sides reflect light, pressing the outer clamping rod 26 inwards, moving the outer clamping rod 26 inwards in the inner accommodating slot 28, compressing the second spring 30 in the inner accommodating slot 28, accommodating the outer clamping rod 26 in the inner accommodating slot 28, not blocking the blackboard 7 from rotating outwards, pulling the blackboard 7 outwards in the rotating hole 24 through the rotating rod 25 at this time, rotating the blackboard 7 to the left or right, thereby make blackboard 7 adjust part angle to the left side or right, make blackboard 7 not reflecting light, the student of the just left and right sides observes the content, and after pulling open blackboard 7, the dust at the clearance blackboard 7 back that the user can be very convenient, make the clearance more convenient, make equipment compare traditional rectangular frame seal structure through this structure, the chalk dust is piled up in the spout of bottom, the part is hidden and is difficult to the clearance in the inside corner of rectangular frame, make the user once open all blackboard 7, thereby make user's cleaning work can stretch into in each corner, thereby make the clearance more convenient, and bottom position and upper portion position and outside air circulation are better, help computer screen 9 to dispel the heat, make the radiating effect better.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. 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

1. A teaching demonstration device for compulsory education, characterized in that: comprises a side mounting plate (1), a main body mounting plate (2) is arranged at the back position of the side mounting plate (1), a plurality of sliding rods (4) are arranged at the outer side position of the side mounting plate (1), a plurality of rectangular placing frames (5) are arranged on the sliding rods (4), a blackboard (7) is arranged in each rectangular placing frame (5), a rotating rod (25) is arranged at the upper position and the lower position of one end of the blackboard (7), a back clamping rod (27) is arranged on each rectangular placing frame (5) corresponding to the other end of the blackboard (7), an outer clamping rod (26) is arranged at the front end of each back clamping rod (27) on each rectangular placing frame (5), an inner protection frame body (8) is arranged at the middle position of the main body mounting plate (2), an inner sleeve pipe (13) is arranged in each inner protection frame body (8), and an inner telescopic rod (14) is arranged in each inner sleeve pipe (13), be provided with inside bearing (22) on inside telescopic link (14), be provided with inside kelly (23) on inside bearing (22), the front position of inside telescopic link (14) is provided with inside mounting panel (12), be provided with computer screen (9) on inside mounting panel (12), the bottom surface position of side mounting panel (1) is provided with bottom storage plate (31), the inside corner inboard position that is located all around of inside protection framework (8) is provided with triangle mounting panel (10), the bottom position of inside sleeve pipe (13) is provided with bottom annular mounting panel (17).

2. An instructional presentation apparatus for obligatory education according to claim 1, characterized in that: the quantity of side mounting panel (1) is two, the quantity of main part mounting panel (2) is two equally, slide bar (4) are two sets of, and the quantity of every group slide bar (4) is two, slide bar (4) are located the upper portion and the lower part position of side mounting panel (1).

3. An instructional presentation apparatus for obligatory education according to claim 2, characterized in that: the utility model discloses a rectangle rack, including rectangle rack (5), slide bar (4), rectangle rack (5) upper end and lower extreme all are provided with bottom sliding sleeve (6) about the position, rectangle rack (5) pass through bottom sliding sleeve (6) and slide bar (4) movable mounting, slide bar (4) are through welding and side mounting panel (1) fixed mounting.

4. An instructional presentation apparatus for obligatory education according to claim 3, characterized in that: the upper portion and the lower part position of main part mounting panel (2) all are provided with mounting hole (3) No. one, the quantity of mounting hole (3) on main part mounting panel (2) is two, the quantity of triangle mounting panel (10) is four, be provided with No. two mounting holes (11) on triangle mounting panel (10), triangle mounting panel (10) and inside protection framework (8) are installed through welded fastening, the upper portion and the lower part position of bottom annular mounting panel (17) are provided with No. three mounting holes (18), the quantity of No. three mounting holes (18) on bottom annular mounting panel (17) is two.

5. An instructional presentation apparatus for obligatory education according to claim 4, characterized in that: the front end of the inner sleeve (13) is provided with a front through hole (19) corresponding to the position of the inner telescopic rod (14), and the inner telescopic rod (14) is movably arranged in the front through hole (19) of the inner sleeve (13).

6. An instructional presentation apparatus for obligatory education according to claim 5, characterized in that: the upper portion position of inside sleeve pipe (13) side is provided with upper portion activity groove (15), the side of inside sleeve pipe (13) is provided with upper portion draw-in groove (16) in the front and back position that is located upper portion activity groove (15), upper portion activity groove (15) and upper portion draw-in groove (16) communicate with each other, inside kelly (23) movable mounting is in upper portion activity groove (15), upper portion draw-in groove (16).

7. An instructional presentation apparatus for obligatory education according to claim 6, characterized in that: an inner movable plate (21) is arranged at the inner end of the inner telescopic rod (14), the inner movable plate (21) is movably mounted in the inner sleeve (13), and a first spring (20) is arranged at the inner side position of the inner movable plate (21) in the inner sleeve (13).

8. An instructional presentation apparatus for obligatory education according to claim 7, characterized in that: the position that corresponds dwang (25) on rectangle rack (5) is provided with rotates hole (24), dwang (25) movable mounting is in rotating hole (24).

9. An instructional presentation apparatus for obligatory education according to claim 8, characterized in that: the number of the back clamping rods (27) on the rectangular placing frame (5) is two, and the back clamping rods are positioned at the upper part and the lower part of the rectangular placing frame (5).

10. An instructional presentation apparatus for obligatory education according to claim 9, characterized in that: the position that corresponds outside kelly (26) on rectangle rack (5) is provided with built-in groove (28) of accomodating, be provided with built-in bottom plate (29) in built-in groove (28) of accomodating, outside kelly (26) movable mounting is in built-in groove (28) of accomodating, built-in groove (28) of accomodating is inherently located and is provided with No. two spring (30) between outside kelly (26) and built-in bottom plate (29), the both ends of No. two spring (30) respectively with outside kelly (26), built-in bottom plate (29) fixed mounting.