CN112863300A - Education science and technology is with safe type teaching aid - Google Patents
Education science and technology is with safe type teaching aid Download PDFInfo
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- CN112863300A CN112863300A CN202110107005.4A CN202110107005A CN112863300A CN 112863300 A CN112863300 A CN 112863300A CN 202110107005 A CN202110107005 A CN 202110107005A CN 112863300 A CN112863300 A CN 112863300A
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- fixedly connected
- rotating shaft
- belt wheel
- gear
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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- Entrepreneurship & Innovation (AREA)
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- Theoretical Computer Science (AREA)
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Abstract
The invention discloses a safe teaching aid for education and science and technology, and relates to the technical field of teaching equipment. The invention comprises a base, a shell and a display stand, wherein the display stand is fixedly connected with the shell, and the shell and the display stand are both fixedly connected with the upper surface of the base. According to the invention, through the belt wheel transmission structure, the gear transmission structure, the cam transmission structure, the connecting rod transmission structure and the interlayer, the characteristics of each transmission structure can be vividly displayed in front of students in the teaching process of the equipment, and each transmission structure is arranged in the corresponding interlayer, so that the arrangement is clear, the display is convenient, and the learning enthusiasm of the students is improved; the structure can vividly show students how to observe objects through comparison, summarize object laws and be beneficial to training students to train the training thinking of the students for contrasting and dialectical.
Description
Technical Field
The invention belongs to the technical field of teaching equipment, and particularly relates to a safe teaching aid for education and science and technology.
Background
Scientific education refers to the ability to stimulate the interest of children in science and technology, help them to widely contact scientific and technological knowledge, master the use of common engineering tools, train engineering thinking, cultivate their ability to accept engineering challenges, actively learn, and comprehensively use knowledge to solve problems by means of course activity design centered on active exploration by students, introduction of software and hardware platforms widely used in the industry, and participation in engineering challenge competition activities.
However, the picture comparison method is generally adopted when thinking ways of comparing dialectics are cultured for students, so that the students are not vivid enough, the enthusiasm of the students is not high, and the invention provides the safe teaching aid for education and science and technology aiming at the problems.
Disclosure of Invention
The invention aims to provide a safe teaching aid for education and science, which solves the problems that a picture comparison method is generally adopted when thinking ways of comparing dialectics are cultivated for students, and the pictures are not vivid enough and the enthusiasm of the students is not high.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a safe teaching aid for education and science, which comprises a base, a shell and a display rack, wherein the display rack is fixedly connected with the shell, the shell and the display rack are fixedly connected with the upper surface of the base, the display rack is provided with three layers of interlayers, telescopic cylinders are arranged in the interlayers, the telescopic cylinders are connected with telescopic shafts in a sliding mode, one ends of the telescopic shafts are fixedly connected with springs, and one ends of the springs are fixedly connected with the inner bottom surfaces of the telescopic cylinders; in the structure, the shell, the showing stand and the base are all supporting structures of the device.
The uppermost interlayer of the display frame is rotatably connected with a first rotating shaft and a second rotating shaft, the peripheral side surface of the first rotating shaft is fixedly connected with a second belt wheel, the peripheral side surface of the second rotating shaft is provided with a third belt wheel, a first belt is arranged between the second belt wheel and the third belt wheel, one end of the second rotating shaft is fixedly connected with a first cam, and the peripheral side surface of the first cam is abutted against the telescopic shaft; in the structure, the belt wheel transmission and the cam transmission are combined, so that the characteristics of the belt wheel transmission and the cam transmission are conveniently displayed for students during teaching.
A third rotating shaft and a fourth rotating shaft are rotatably connected to an interlayer in the middle of the display frame, the peripheral side surface of the third rotating shaft is fixedly connected with a first gear, the peripheral side surface of the fourth rotating shaft is fixedly connected with a second gear, one end of the fourth rotating shaft is also fixedly connected with a second cam, and the peripheral side surface of the second cam is abutted against the telescopic shaft; the structure is convenient for vividly showing the characteristics of gear transmission for students.
The display rack is characterized in that a first rotating shaft is also rotatably connected to the interlayer at the lowest part of the display rack, one end of the first rotating shaft is fixedly connected with a first connecting rod, one end of the first connecting rod is rotatably connected with a second connecting rod, one end of the second connecting rod is rotatably connected with a sliding rod, one end of the sliding rod abuts against the telescopic shaft, the sliding rod is slidably connected with a guide plate, and the guide plate is fixedly connected with the inner surface of the interlayer; the structure is convenient for showing the characteristics of the connecting rod transmission to students.
All install the decibel appearance in the three-layer interlayer of show shelf, in this structure, the noise decibel that the decibel appearance can effectively acquire band pulley transmission, gear drive and connecting rod transmission and produce is favorable to the noise condition of each transmission mode of contrastive analysis.
Preferably, one end of the third rotating shaft extends to the outer side of the shell, one end of the third rotating shaft is fixedly connected with a fourth belt wheel, one side of the fourth belt wheel is provided with a first belt wheel, the first belt wheel and the shell are rotatably connected with a fifth rotating shaft, and a second belt is arranged between the first belt wheel and the fourth belt wheel; in the above structure, when the first belt wheel rotates, the fourth belt wheel can be driven to rotate and the third rotating shaft can be driven to rotate.
Preferably, a rocker arm is fixedly connected to one surface of the first belt pulley, so that the first belt pulley can be rotated conveniently, and labor is saved.
Preferably, a fourth gear is further fixedly connected to the peripheral side surface of the third rotating shaft, third gears are meshed with the upper side and the lower side of the fourth gear, the third gears are arranged on the peripheral side surface of the first rotating shaft, and the third gear and the fourth gear are both arranged between the shell and the display rack; in the structure, when the third rotating shaft rotates, the fourth gear can drive the third gears on the two sides to rotate, so that the first rotating shaft is driven to rotate to provide power.
Preferably, a protective cover is arranged on the outer side of the first belt wheel and the outer side of the fourth belt wheel, and the protective cover is fixedly connected with one surface of the shell to play a protective role.
Preferably, a plurality of reinforcing ribs are fixedly connected between the shell and the base, so that the structural strength is improved.
Preferably, a plurality of supports are arranged on the peripheral side face of the telescopic cylinder, and the supports are fixedly connected with the inner surface of the interlayer, so that the telescopic cylinder is kept stable.
The invention has the following beneficial effects:
1. according to the invention, through the belt wheel transmission structure, the gear transmission structure, the cam transmission structure, the connecting rod transmission structure and the interlayer, the characteristics of each transmission structure can be vividly displayed in front of students in the teaching process of the equipment, and each transmission structure is arranged in the corresponding interlayer, so that the arrangement is clear, the display is convenient, and the learning enthusiasm of the students is improved;
2. the structure can vividly show students how to observe objects through comparison, summarize object laws and be beneficial to training students to train the training thinking of the students for contrasting dialectical;
3. the invention protects the transmission structure by using the shell, the showing stand, the protective cover and other structures, avoids the clothes from being involved and is safer.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a front-view three-dimensional structure of a safety teaching aid for education and science;
FIG. 2 is a schematic diagram of a rear three-dimensional structure of the safety teaching aid for education and science;
FIG. 3 is a front view of the safety teaching aid for education and technology of the present invention;
FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3;
FIG. 5 is a rear three-dimensional view of the internal structure of the safety teaching aid for education and science;
FIG. 6 is a front three-dimensional view of the internal structure of the safety teaching aid for education and technology of the present invention;
fig. 7 is a cross-sectional view of the telescoping cylinder.
In the drawings, the components represented by the respective reference numerals are listed below:
1-base, 2-shell, 3-show shelf, 4-reinforcing rib, 5-telescopic cylinder, 501-telescopic shaft, 502-spring, 6-support, 7-interlayer, 8-rocker arm, 9-shield, 10-first belt wheel, 11-guide plate, 12-decibel meter, 13-first belt, 14-second belt wheel, 15-third belt wheel, 16-first cam, 17-first rotating shaft, 18-first gear, 19-second cam, 20-second gear, 21-first connecting rod, 22-second connecting rod, 23-sliding rod, 24-second rotating shaft, 25-second belt, 26-fourth belt wheel, 27-third gear, 28-fourth gear, 29-third rotating shaft, 30-the fourth rotating shaft and 31-the fifth rotating shaft.
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 the present invention, it is to be understood that the terms "upper," "middle," "outer," "inner," "around," and the positional relationships are used merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-7, the invention relates to a safety teaching aid for education and science, which comprises a base 1, a shell 2 and a display frame 3, wherein the display frame 3 is fixedly connected with the shell 2, the shell 2 and the display frame 3 are both fixedly connected with the upper surface of the base 1, the display frame 3 is provided with three layers of interlayer 7, telescopic cylinders 5 are arranged in the interlayer 7, the telescopic cylinders 5 are slidably connected with telescopic shafts 501, one ends of the telescopic shafts 501 are fixedly connected with springs 502, and one ends of the springs 502 are fixedly connected with the inner bottom surfaces of the telescopic cylinders 5; in the above structure, the housing 2, the display shelf 3 and the base 1 are all the supporting structure of the device.
The uppermost interlayer 7 of the display frame 3 is rotationally connected with a first rotating shaft 17 and a second rotating shaft 24, the peripheral side surface of the first rotating shaft 17 is fixedly connected with a second belt wheel 14, the peripheral side surface of the second rotating shaft 24 is provided with a third belt wheel 15, a first belt 13 is arranged between the second belt wheel 14 and the third belt wheel 15, one end of the second rotating shaft 24 is fixedly connected with a first cam 16, and the peripheral side surface of the first cam 16 is abutted against the telescopic shaft 501; in the structure, the belt wheel transmission and the cam transmission are combined, so that the characteristics of the belt wheel transmission and the cam transmission are conveniently displayed for students during teaching.
The interlayer 7 in the middle of the display frame 3 is rotationally connected with a third rotating shaft 29 and a fourth rotating shaft 30, the peripheral side surface of the third rotating shaft 29 is fixedly connected with a first gear 18, the peripheral side surface of the fourth rotating shaft 30 is fixedly connected with a second gear 20, one end of the fourth rotating shaft 30 is also fixedly connected with a second cam 19, and the peripheral side surface of the second cam 19 is abutted against the telescopic shaft 501; the structure is convenient for vividly showing the characteristics of gear transmission for students.
The interlayer 7 at the lowest part of the display frame 3 is also rotatably connected with a first rotating shaft 17, one end of the first rotating shaft 17 is fixedly connected with a first connecting rod 21, one end of the first connecting rod 21 is rotatably connected with a second connecting rod 22, one end of the second connecting rod 22 is rotatably connected with a sliding rod 23, one end of the sliding rod 23 is abutted against the telescopic shaft 501, the sliding rod 23 is slidably connected with a guide plate 11, and the guide plate 11 is fixedly connected with the inner surface of the interlayer 7; the structure is convenient for showing the characteristics of the connecting rod transmission to students.
All install decibel appearance 12 in the three-layer interlayer 7 of show shelf 3, in this structure, decibel appearance 12 can effectively acquire the noise decibel that band pulley transmission, gear drive and connecting rod transmission produced, is favorable to the noise condition of each transmission mode of contrastive analysis.
Furthermore, one end of a third rotating shaft 29 extends to the outer side of the housing 2, one end of the third rotating shaft 29 is fixedly connected with a fourth belt pulley 26, one side of the fourth belt pulley 26 is provided with a first belt pulley 10, the first belt pulley 10 and the housing 2 are rotatably connected with a fifth rotating shaft 31, and a second belt 25 is arranged between the first belt pulley 10 and the fourth belt pulley 26; in the above structure, when the first pulley 10 rotates, the fourth pulley 26 and the third shaft 29 can be rotated.
Furthermore, a rocker arm 8 is fixedly connected to one surface of the first belt wheel 10, so that the first belt wheel 10 can be rotated conveniently, and labor is saved.
Furthermore, a fourth gear 28 is fixedly connected to the peripheral side surface of the third rotating shaft 29, the upper and lower sides of the fourth gear 28 are engaged with the third gear 27, the third gear 27 is located on the peripheral side surface of the first rotating shaft 17, and the third gear 27 and the fourth gear 28 are both arranged between the housing 2 and the display shelf 3; in the above structure, when the third shaft 29 rotates, the fourth gear 28 will drive the third gears 27 on both sides to rotate, thereby driving the first shaft 17 to rotate and provide power.
Furthermore, a protective cover 9 is arranged outside the first belt pulley 10 and the fourth belt pulley 26, and the protective cover 9 is fixedly connected with one surface of the shell 2 to play a protective role.
Further, a plurality of reinforcing ribs 4 are fixedly connected between the shell 2 and the base 1, and the structural strength is improved.
Furthermore, a plurality of support seats 6 are arranged on the peripheral side surface of the telescopic cylinder 5, and the support seats 6 are fixedly connected with the inner surface of the interlayer 7, so that the telescopic cylinder 5 is kept stable.
Referring to fig. 1-7, the present invention is a safety teaching aid for education and technology, and its using method is:
the method comprises the following steps: in the teaching process, a teacher can hold the rocker arm 8 to drive the first belt pulley 10 to rotate, then the first belt pulley 10 drives the fourth belt pulley 26 to rotate, the fourth belt pulley 26 drives the fourth gear 28 and the third rotating shaft 29 to rotate, the fourth gear 28 drives the upper and lower third gears 27 to rotate synchronously, and the third gears 27 drive the corresponding first rotating shafts 17 to rotate;
step two: in the uppermost interlayer 7, the first rotating shaft 17 drives the second belt wheel 14 to rotate, then the second belt wheel 14 drives the third belt wheel 15 and the first cam 16 to rotate, then the first cam 16 periodically extrudes the telescopic shaft 501 and the spring 502, meanwhile, the third rotating shaft 29 drives the first gear 18 to rotate, then the first gear 18 drives the second gear 20 to rotate, the second gear 20 drives the fourth rotating shaft 30 and the second cam 19 to rotate, the second cam 19 periodically extrudes the telescopic shaft 501 and the spring 502, in addition, the first rotating shaft 17 in the lowermost interlayer 7 drives the first connecting rod 21 to rotate, then the first connecting rod 21 drives the second connecting rod 22 to swing, and the second connecting rod 22 drives the sliding rod 23 to swing in the guide plate 11 in a reciprocating manner, so that the telescopic shaft 501 and the spring 502 are periodically extruded;
step three: the decibel meter 12 collects the noise value in each interlayer 7, which is convenient for comparing and observing the noise value of each transmission structure.
It should be noted that each partition 7 has a good sound insulation effect, and in practice, sound insulation material may be added to the partition 7 to reduce noise interference.
It should be noted that the working voltage of the decibel meter 12 is 6-10V.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides an education science and technology is with safe type teaching aid, includes base (1), casing (2) and show shelf (3), its characterized in that:
the display rack (3) is fixedly connected with the shell (2), the shell (2) and the display rack (3) are fixedly connected with the upper surface of the base (1), the display rack (3) is provided with three layers of interlayer (7), telescopic cylinders (5) are arranged in the interlayer (7), the telescopic cylinders (5) are connected with telescopic shafts (501) in a sliding mode, one ends of the telescopic shafts (501) are fixedly connected with springs (502), and one ends of the springs (502) are fixedly connected with the inner bottom surfaces of the telescopic cylinders (5);
the uppermost interlayer (7) of the display frame (3) is rotatably connected with a first rotating shaft (17) and a second rotating shaft (24), the peripheral side surface of the first rotating shaft (17) is fixedly connected with a second belt wheel (14), the peripheral side surface of the second rotating shaft (24) is provided with a third belt wheel (15), a first belt (13) is arranged between the second belt wheel (14) and the third belt wheel (15), one end of the second rotating shaft (24) is fixedly connected with a first cam (16), and the peripheral side surface of the first cam (16) is abutted against the telescopic shaft (501);
the display rack is characterized in that an interlayer (7) in the middle of the display rack (3) is rotatably connected with a third rotating shaft (29) and a fourth rotating shaft (30), the peripheral side surface of the third rotating shaft (29) is fixedly connected with a first gear (18), the peripheral side surface of the fourth rotating shaft (30) is fixedly connected with a second gear (20), one end of the fourth rotating shaft (30) is also fixedly connected with a second cam (19), and the peripheral side surface of the second cam (19) is abutted against the telescopic shaft (501);
the display rack is characterized in that a first rotating shaft (17) is also rotatably connected to the lowermost interlayer (7) of the display rack (3), one end of the first rotating shaft (17) is fixedly connected with a first connecting rod (21), one end of the first connecting rod (21) is rotatably connected with a second connecting rod (22), one end of the second connecting rod (22) is rotatably connected with a sliding rod (23), one end of the sliding rod (23) abuts against the telescopic shaft (501), the sliding rod (23) is slidably connected with a guide plate (11), and the guide plate (11) is fixedly connected with the inner surface of the interlayer (7);
decibel instruments (12) are arranged in the three layers of interlayer (7) of the display rack (3).
2. The teaching aid of claim 1, wherein one end of the third rotating shaft (29) extends to the outside of the housing (2), one end of the third rotating shaft (29) is fixedly connected with a fourth belt wheel (26), one side of the fourth belt wheel (26) is provided with a first belt wheel (10), the first belt wheel (10) and the housing (2) are rotatably connected with a fifth rotating shaft (31), and a second belt (25) is arranged between the first belt wheel (10) and the fourth belt wheel (26).
3. A safety teaching aid for education and technology according to claim 2, characterized in that a rocker arm (8) is fixedly connected to one surface of the first belt wheel (10).
4. An educational science and technology safety teaching aid as claimed in claim 1, wherein the third shaft (29) is further fixedly connected with a fourth gear (28) on the peripheral side, the third gear (27) is engaged with the fourth gear (28) on the upper and lower sides, the third gear (27) is on the peripheral side of the first shaft (17), and the third gear (27) and the fourth gear (28) are both arranged between the shell (2) and the display frame (3).
5. A safety teaching aid for education and technology according to claim 1, characterized in that the first belt wheel (10) and the fourth belt wheel (26) are provided with a protective cover (9) on the outside, the protective cover (9) is fixedly connected with a surface of the shell (2).
6. A safety teaching aid for education and science and technology according to claim 1, characterized in that a plurality of reinforcing ribs (4) are fixedly connected between the shell (2) and the base (1).
7. The safety teaching aid for education and science according to claim 1, wherein the telescopic cylinder (5) is provided with a plurality of supports (6) on the peripheral side, and the supports (6) are fixedly connected with the inner surface of the interlayer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110107005.4A CN112863300A (en) | 2021-01-27 | 2021-01-27 | Education science and technology is with safe type teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110107005.4A CN112863300A (en) | 2021-01-27 | 2021-01-27 | Education science and technology is with safe type teaching aid |
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| Publication Number | Publication Date |
|---|---|
| CN112863300A true CN112863300A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110107005.4A Pending CN112863300A (en) | 2021-01-27 | 2021-01-27 | Education science and technology is with safe type teaching aid |
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Application publication date: 20210528 |