CN213877217U

CN213877217U - Teaching presentation device based on visual transmission design

Info

Publication number: CN213877217U
Application number: CN202023269755.1U
Authority: CN
Inventors: 李香漪; 袁艳娟; 张瑾
Original assignee: Henan Polytechnic Institute
Current assignee: Henan Polytechnic Institute
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-03
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a teaching presentation device based on visual transmission design, comprising a base plate, the top outer wall of bottom plate has the stand through the bolt fastening, the top outer wall of stand is connected with the laboratory bench through the bearing, the top outer wall of laboratory bench has the base through the bolt fastening, the top outer wall of base has transparent cylinder through the bolt fastening, the bottom outer wall of transparent cylinder has two-way aspiration pump through the bolt fastening, the gas receiver has been cup jointed to the one end of two-way aspiration pump, there is sealed lid transparent cylinder's top outer wall through hinged joint. The utility model discloses the teacher can also cover sealed lid, inhales into the vacuum through the air of two-way aspiration pump in with the transparent cylinder, and the teacher can utilize the transparent cylinder to study the propagation of sound this moment, and the teacher can adjust the position of experiment board on the mounting panel, then puts the bobble and does the accelerated motion in the experiment track to can study the acceleration of bobble and the conversion experiment of kinetic energy and potential energy.

Description

Teaching presentation device based on visual transmission design

Technical Field

The utility model relates to a teaching demonstration technical field especially relates to a teaching presentation device based on visual transmission design.

Background

A method in which a teacher propagates biological knowledge by demonstrating a physical object of an organism and a true drawing of the physical object to students is called a demonstration teaching method. Teachers should correctly and reasonably select visual means according to teaching contents, and learn to use various visual means to demonstrate teaching methods, so that the teaching effect is improved.

The existing teaching demonstration device based on visual transmission design has the following defects: the physics subject is a subject based on the experiment, and people have arrived a ripe stage to the research of physical teaching at present, but current teaching presentation device can not audio-visually abundant impart knowledge to students to the physics experiment to can not let the student oneself try to do all can, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a teaching demonstration device based on visual transmission design.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a teaching demonstration device based on visual transmission design comprises a base plate, wherein a stand column is fixed on the outer wall of the top of the base plate through a bolt, the outer wall of the top of the stand column is connected with a laboratory bench through a bearing, a base is fixed on the outer wall of the top of the laboratory bench through a bolt, a transparent cylinder is fixed on the outer wall of the top of the base through a bolt, a bidirectional air pump is fixed on the outer wall of the bottom of the transparent cylinder through a bolt, an air cylinder is sleeved at one end of the bidirectional air pump, the outer wall of the top of the transparent cylinder is connected with a sealing cover through a hinge, a mounting plate is fixed on the outer wall of the top of the laboratory bench through a bolt, an experimental plate is connected on the outer wall of the top of the mounting plate in a sliding mode, a guide disc is fixed on the outer wall of the top of the laboratory plate through a bolt, one end of the experimental plate is in sliding fit with the outer wall of the top of the guide disc, and a mounting groove is formed in the outer wall of the experimental plate, and the inner wall of the mounting groove is fixed with an experiment track through a bolt.

Furthermore, the outer wall all around of base has all opened the suction hole, and the outer wall of positioning disk passes through the bolt fastening and has the delivery board, and the delivery board sets up in the inner wall of suction hole.

Furthermore, the outer wall of the top of the experiment table is provided with a tapered hole, and the inner wall of the tapered hole is fixed with a storage bag through a bolt.

Further, the inner walls of the two sides of the transparent cylinder are provided with sliding grooves, the inner walls of the sliding grooves are fixedly provided with sliding rails through bolts, and the inner walls of the sliding rails are connected with a water storage box in a sliding mode.

Furthermore, the outer wall of the bottom of the transparent cylinder is provided with a connecting hole, the inner wall of the connecting hole is inserted with a transmission pipe, and one end of the transmission pipe is sleeved with a horn.

Furthermore, the outer wall of the top of the guide disc is provided with a water drop-shaped guide groove, and the guide groove is matched with the conveying plate for use.

Further, the top shape of mounting panel sets up to the arc, and the cooperation of laboratory panel and mounting panel is used.

Furthermore, the outer wall of the bottom of the experiment table is fixed with support rods which are distributed at equal intervals through bolts, and one ends of the support rods are fixed with rotating rings through bolts.

Further, the inner wall of swivel passes through the bearing and connects in the outer wall of stand, and bracing piece and laboratory bench cooperation use.

Furthermore, a pen groove is formed in the outer wall of the top of the experiment table, and a marker pen is arranged on the inner wall of the pen groove.

The utility model has the advantages that:

1. the teaching demonstration device based on visual transmission design comprises a mounting plate, an experiment track, a sealing cover, a transparent cylinder, a bidirectional air suction pump and an air storage cylinder, wherein when stress experiments of objects are demonstrated in a physical classroom, the bidirectional air suction pump can be started firstly to suck air into the air storage cylinder, the air storage cylinder upwards sprays the air, people can put small balls with light weight into the transparent cylinder at the moment, the small balls are pushed by upward airflow to form small balls to be suspended in the air, students can observe the small balls through the transparent cylinder at the moment, teachers can also analyze the stress of the small balls through the transparent cylinder, visual teaching can be carried out, teachers can also cover the sealing cover, the air in the transparent cylinder is sucked into vacuum through the bidirectional air suction pump, teachers can study sound transmission by using the transparent cylinder at the moment, teachers can adjust the position of the experiment plate on the mounting plate, then the small ball is placed in an experiment track to do accelerated motion, so that the acceleration of the small ball and the conversion experiment of kinetic energy and potential energy can be researched, the structure is reasonable, and the practicability is high.

2. This teaching presentation device based on visual transmission design, through being provided with the positioning disk, a slide rail, the water storage box, loudspeaker, the transmission pipe, accomodate bag and delivery board, during the experiment to conversion between the kinetic energy of bobble and the potential energy, the bobble finally enters into the delivery board through the experiment track, the delivery board is stored in the final leading-in accomodate bag of bobble, make things convenient for people to take the bobble, people can place some clear water in the water storage box, then place the water storage box in the transparent cylinder through the slide rail, cover sealed lid, let the student produce sound through loudspeaker, can discover sound and produce through the vibration, multiple physics experiment can be carried out to the device, and the demonstration teaching effect is better.

3. This teaching presentation device based on visual transmission design through being provided with pen slot and marker pen, can make things convenient for the teacher directly to be in the atress analysis of the bobble of the outer wall mark of hyaline tube through the marker pen in the pen slot.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a three-dimensional structure diagram of a teaching demonstration device based on visual transmission design according to embodiment 1 of the present invention;

FIG. 2 is a three-dimensional structure diagram of a storage bag of a teaching demonstration device based on visual transmission design according to the present invention;

fig. 3 is a three-dimensional structure diagram of a water storage box of a teaching demonstration device based on visual transmission design provided by the utility model;

fig. 4 is a three-dimensional structure diagram of a teaching demonstration device based on visual transmission design that embodiment 2 of the utility model provides.

In the figure: 1-sealing cover, 2-sliding rail, 3-transparent cylinder, 4-horn, 5-air suction hole, 6-containing bag, 7-bottom plate, 8-swivel, 9-supporting rod, 10-upright post, 11-experiment table, 12-mounting plate, 13-experiment plate, 14-experiment track, 15-transmission pipe, 16-transmission plate, 17-bidirectional air pump, 18-air cylinder, 19-base, 20-water storage box, 21-guiding disc and 22-pen groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

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.

Example 1

Referring to fig. 1-3, a teaching demonstration device based on visual transmission design comprises a bottom plate 7, a column 10 is fixed on the outer wall of the top of the bottom plate 7 through bolts, the outer wall of the top of the column 10 is connected with an experiment table 11 through a bearing, the outer wall of the top of the experiment table 11 is fixed with a base 19 through bolts, the outer wall of the top of the base 19 is fixed with a transparent cylinder 3 through bolts, the outer wall of the bottom of the transparent cylinder 3 is fixed with a bidirectional air pump 17 through bolts, one end of the bidirectional air pump 17 is sleeved with an air storage cylinder 18, the outer wall of the top of the transparent cylinder 3 is connected with a sealing cover 1 through a hinge, the outer wall of the top of the experiment table 11 is fixed with a mounting plate 12 through bolts, the outer wall of the top of the mounting plate 12 is connected with an experiment plate 13 in a sliding manner, a guide disc 21 is fixed on the outer wall of the top of the experiment table 11 through bolts, one end of the experiment plate 13 forms a sliding fit with the outer wall of the guide disc 21, open the top outer wall of laboratory sheet 13 has the mounting groove, the inner wall of mounting groove has experiment track 14 through the bolt fastening, when demonstrating the atress experiment of object in the physics classroom, can start two-way aspiration pump 17 earlier and inhale the gas receiver 18 with the air, gas receiver 18 upwards spouts the air, people can put the bobble of light mass in transparency carrier 3 this moment, the bobble receives the promotion of making progress air current and forms the situation of bobble suspension among the air, the student can observe the bobble through transparency carrier 3 this moment, the teacher also can carry out the atress analysis to the bobble through transparency carrier 3, thereby can carry out audio-visual teaching.

The utility model discloses in, base 19 outer wall all around has opened suction opening 5, and the outer wall of positioning disk 21 has delivery board 16 through the bolt fastening, and delivery board 16 sets up in suction opening 5's inner wall.

The utility model discloses in, the top outer wall of laboratory bench 11 is opened there is the bell mouth, and the inner wall of bell mouth has through the bolt fastening and accomodates bag 6, and during the experiment of conversion between the kinetic energy of bobble and the potential energy, during the bobble finally enters into delivery board 16 through experiment track 14, delivery board 16 stores the bobble finally leading-in accomodating bag 6, makes things convenient for people to take the bobble.

The utility model discloses in, the spout has all been opened to the both sides inner wall of transparency barrel 3, and the inner wall of spout has slide rail 2 through the bolt fastening, and the inner wall sliding connection of slide rail 2 has water storage box 20.

The utility model discloses in, the bottom outer wall of transparent section of thick bamboo 3 is opened there is the connecting hole, and the inner wall of connecting hole is pegged graft and is had transmission pipe 15, and loudspeaker 4 has been cup jointed to the one end of transmission pipe 15.

In the utility model, the outer wall of the top of the guide disc 21 is provided with a water drop-shaped guide groove, and the guide groove is matched with the conveying plate 16 for use.

The utility model discloses in, the top shape of mounting panel 12 sets up to the arc, and experiment board 13 and mounting panel 12 cooperation use, and the teacher can adjust experiment board 13 position on mounting panel 12, then puts the bobble and is accelerated motion in experiment track 14 to can study the acceleration of bobble and the conversion experiment of kinetic energy and potential energy.

The utility model discloses in, the bottom outer wall of laboratory bench 11 is passed through the bolt fastening and is had the bracing piece 9 that the equidistance distributes, and the one end of bracing piece 9 is passed through the bolt fastening and is had swivel 8.

The utility model discloses in, the inner wall of swivel 8 passes through the bearing and connects in the outer wall of stand 10, and bracing

piece

9 and 11 cooperations of laboratory bench use.

The working principle is as follows: when the stress experiment of an object is demonstrated in a physical classroom, the bidirectional air pump 17 can be started to suck air into the air storage cylinder 18, the air storage cylinder 18 sprays the air upwards, at the moment, people can place light-weight small balls in the transparent cylinder 3, the small balls are pushed by the upward air flow to form a situation that the small balls are suspended in the air, at the moment, students can observe the small balls through the transparent cylinder 3, teachers can also analyze the stress of the small balls through the transparent cylinder 3, so that visual teaching can be carried out, teachers can also cover the sealing cover 1, the air in the transparent cylinder 3 is sucked into vacuum through the bidirectional air pump 17, at the moment, the teachers can use the transparent cylinder 3 to study the sound transmission, the teachers can adjust the position of the experiment board 13 on the mounting board 12, then place the small balls in the experiment track 14 to do acceleration movement, so that the acceleration and the conversion experiment of kinetic energy and potential energy can be studied, during the experiment to conversion between the kinetic energy of bobble and the potential energy, the bobble finally enters into delivery board 16 through experiment track 14, delivery board 16 is stored the bobble is final leading-in to accomodating bag 6, make things convenient for people to take the bobble, people can place some clear waters in to water storage box 20, then place water storage box 20 in the transparent cylinder 3 through slide rail 2, cover sealed lid 1, let the student produce sound through loudspeaker 4, can discover that sound is through vibration production, the device can carry out multiple physics experiment.

Example 2

Referring to fig. 4, a teaching presentation device based on visual transmission design, this embodiment compares in embodiment 1, and the top outer wall that still includes laboratory bench 11 is opened there is a groove 22, and the inner wall of a groove 22 is provided with the marker pen, can make things convenient for the teacher to directly be at the atress analysis of the bobble of transparent section of thick bamboo 3's outer wall mark through the marker pen in a groove 22.

The working principle is as follows: the force analysis of the small ball marked on the outer wall of the transparent cylinder 3 directly by the teacher can be facilitated by the marker pen in the pen groove 22.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The teaching demonstration device based on the visual transmission design comprises a bottom plate (7) and is characterized in that a stand column (10) is fixed on the outer wall of the top of the bottom plate (7) through bolts, an experiment table (11) is connected on the outer wall of the top of the stand column (10) through a bearing, a base (19) is fixed on the outer wall of the top of the experiment table (11) through bolts, a transparent cylinder (3) is fixed on the outer wall of the top of the base (19) through bolts, a bidirectional air pump (17) is fixed on the outer wall of the bottom of the transparent cylinder (3) through bolts, an air cylinder (18) is sleeved at one end of the bidirectional air pump (17), a sealing cover (1) is connected on the outer wall of the top of the transparent cylinder (3) through a hinge, a mounting plate (12) is fixed on the outer wall of the top of the experiment table (11) through bolts, and an experiment plate (13) is slidably connected on the outer wall of the top of the mounting plate (12), the top outer wall of laboratory bench (11) is through the bolt fastening have guiding disc (21), the one end of experiment board (13) forms sliding fit with the top outer wall of guiding disc (21), the top outer wall of experiment board (13) is opened there is the mounting groove, the inner wall of mounting groove has experiment track (14) through the bolt fastening.

2. The teaching demonstration device based on visual transmission design according to claim 1, wherein the base (19) is provided with air suction holes (5) on the peripheral outer wall, the outer wall of the guide disc (21) is fixed with the conveying plate (16) through bolts, and the conveying plate (16) is arranged on the inner wall of the air suction holes (5).

3. A teaching demonstration device based on visual communication design according to claim 1 characterized in that the top outer wall of the experiment table (11) is provided with a conical hole, and the inner wall of the conical hole is fixed with a receiving bag (6) through bolts.

4. The teaching demonstration device based on the visual transmission design according to claim 3, wherein sliding grooves are formed in the inner walls of the two sides of the transparent cylinder (3), sliding rails (2) are fixed to the inner walls of the sliding grooves through bolts, and a water storage box (20) is connected to the inner walls of the sliding rails (2) in a sliding mode.

5. The teaching demonstration device based on the visual transmission design of claim 4, wherein the bottom outer wall of the transparent cylinder (3) is provided with a connecting hole, the inner wall of the connecting hole is inserted with a transmission pipe (15), and one end of the transmission pipe (15) is sleeved with a horn (4).

6. A visual design teaching demonstration device according to claim 5 wherein the top outer wall of the guiding plate (21) is provided with a drop-shaped guiding slot and the guiding slot cooperates with the conveying plate (16).

7. A visual communication design based instructional presentation device according to claim 1, wherein the top of the mounting plate (12) is shaped as an arc and the test board (13) and the mounting plate (12) are used in combination.

8. A visual communication design based teaching demonstration device according to claim 7 characterized in that the bottom outer wall of the experiment table (11) is bolted with support bars (9) distributed equidistantly and one end of the support bar (9) is bolted with a swivel (8).

9. A visual communication design based teaching demonstration device according to claim 8 characterized in that the inner wall of the swivel (8) is connected to the outer wall of the upright (10) through a bearing and the support bar (9) is used in conjunction with the experiment table (11).

10. A visual transmission design-based teaching demonstration device according to claim 1, wherein the top outer wall of the experiment table (11) is provided with a pen slot (22), and the inner wall of the pen slot (22) is provided with a marker pen.