CN214955520U - Demonstration teaching aid for displaying genetic information flow in high school biology teaching - Google Patents
Demonstration teaching aid for displaying genetic information flow in high school biology teaching Download PDFInfo
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- CN214955520U CN214955520U CN202121407820.4U CN202121407820U CN214955520U CN 214955520 U CN214955520 U CN 214955520U CN 202121407820 U CN202121407820 U CN 202121407820U CN 214955520 U CN214955520 U CN 214955520U
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Abstract
The utility model discloses a demonstration teaching aid for high school biological teaching show genetic information flows, including outer frame, outer frame outer wall avris is provided with a plurality of vertical spouts and horizontal spout, the inside sliding connection of vertical spout has horizontal slide bar, the inside sliding connection of horizontal spout has vertical slide bar, vertical slide bar and the equal threaded connection of horizontal slide bar one end have the threaded rod, threaded rod one end runs through vertical spout and horizontal spout respectively, and be connected with the knob, outer frame bottom central point puts and installs the fixed block, fixed block bottom one side is inlayed and is established the bearing, the fixed block has the sleeve through bearing swing joint, sleeve bottom threaded connection has the screw thread post, screw thread post bottom is connected with the four corners support, the storage box has all been welded to outer frame bottom both sides. The demonstration teaching aid for the high school biology teaching demonstration genetic information flow has the advantages of simple and reasonable structure, novel design, simple and convenient operation and higher practical value, and can effectively improve the teaching quality.
Description
Technical Field
The utility model relates to an educational affiliation technical field specifically is a demonstration teaching aid that is used for biological teaching of high school to show genetic information flow.
Background
Genetic information (genetic information) refers to information that an organism replicates the same thing as itself, is transmitted from a parent to a daughter, or is transmitted from a cell to a cell every time each cell divides, i.e., the arrangement order of base pairs, or refers to the arrangement order of nucleotides, deoxynucleotides in DNA, and ribonucleotides in RNA. Information in expression, the base sequence of DNA is first transcribed into that of RNA, and then a protein is synthesized based on this sequence. Some viral genetic information vectors are not DNA, but RNA. Genetic information includes not only genetic information corresponding to proteins but also information necessary for reading information, information necessary for controlling the expression of information, and all information necessary for an organism to reproduce the same structure as the organism itself. In modern high school biology science education, genetic information knowledge belongs to the field of key expansion.
However, when the genetic information flow is displayed, the conventional demonstration teaching aid mostly adopts black-board type artificial drawings, and due to the fact that the genetic information is various in types and has a large score on arrangement and combination, block diagrams cannot be distinguished corresponding to arrangement of different information, the detailed understanding of important knowledge of the genetic information by students is influenced, and the teaching quality is reduced. We have therefore improved this by providing a demonstration teaching aid for high school biology teaching to display a genetic information stream.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a demonstration teaching aid for high school's biological teaching demonstrates genetic information flows, including outer frame, outer frame outer wall avris is provided with a plurality of vertical spouts and horizontal spout, the inside sliding connection of vertical spout has horizontal slide bar, the inside sliding connection of horizontal spout has vertical slide bar, vertical slide bar and the equal threaded connection of horizontal slide bar one end have the threaded rod, threaded rod one end runs through vertical spout and horizontal spout respectively to be connected with the knob, outer frame bottom central point puts and installs the fixed block, fixed block bottom one side is inlayed and is established the bearing, the fixed block has the sleeve through bearing swing joint, sleeve bottom threaded connection has the screw thread post, the screw thread post bottom is connected with the four corners support.
As a preferred technical scheme of the utility model, the storage box has all been welded to outer frame bottom both sides, storage box outer wall one side is equipped with the hinge, the storage box articulates through the hinge has the chamber door.
As a preferred technical scheme of the utility model, outer frame internally mounted has the show board, show board outer wall adsorbs and is connected with a plurality of magnetic sheets, the magnetic sheet is connected with the genetic information model respectively.
As an optimal technical scheme of the utility model, the threaded column is equipped with the gasket at the outer wall cover that is close to the four corners support, just the gasket is the rubber material.
As an optimal technical scheme of the utility model, vertical slide bar outer wall one side is provided with the through groove, horizontal slide bar one end runs through the through groove, just vertical slide bar and horizontal slide bar mutually perpendicular.
As a preferred technical scheme of the utility model, the clamp plate is installed with the junction of threaded rod to the knob, just the diameter size of clamp plate all is greater than the width size of vertical spout and horizontal spout.
As a preferred technical scheme of the utility model, the gyro wheel is all installed to four corners support bottom corner, the gyro wheel is the universal wheel.
As an optimal technical scheme of the utility model, the show board adopts indisputable metal material to make, just the show board outer wall has scribbled anti rust coating.
The utility model has the advantages that:
1. the demonstration teaching aid for demonstrating genetic information flow in high school biology teaching is characterized in that local block diagrams with different sizes are formed on an outer frame by adjusting the movement of a longitudinal sliding rod and a transverse sliding rod on a longitudinal sliding groove and a transverse sliding groove, and a threaded rod is screwed to rotate and advance by twisting two knobs, so that the longitudinal sliding rod and the transverse sliding rod are respectively extruded, the local block diagrams are kept stable and are prevented from being changed, and then a threaded column is protruded from the side of a sleeve by rotating the sleeve, so that the demonstration teaching aid is improved in height, the demonstration teaching aid is wider in demonstration performance, and the local block diagrams formed by moving the two sliding rods are prevented from being disordered in arrangement and combination of genetic information, so that the teaching quality is improved;
2. this kind of a demonstration teaching aid for high school biology teaching show genetic information flows, storage through the storage box, make more genetic information models obtain the storage, avoid taking place to omit, and adsorb on the show board through the magnetic sheet, make genetic information model permutation and combination more convenient, the pad pressure of rethread gasket, it is impaired to avoid the sleeve to take place the extrusion, and simultaneously, utilize the vertical relation of vertical slide bar and horizontal slide bar, make the local block diagram that vertical slide bar and horizontal slide bar formed show directly perceived more, rethread pressing plate's extrusion, the fixed effect of knob has been improved. The utility model has the advantages of simple and reasonable structure, the modern design can effectively improve the teaching quality, and easy operation is convenient, has higher practical value.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of an exemplary teaching aid for high school biology teaching to display genetic information flow;
FIG. 2 is a side view of an exemplary teaching aid for high school biology teaching to demonstrate genetic information flow;
FIG. 3 is a cross-sectional view of an exemplary teaching aid of the present invention for high school biology teaching to display genetic information flow;
fig. 4 is an enlarged schematic view of structure a in fig. 1 of an exemplary teaching aid for high school biology teaching to display genetic information flow.
In the figure: 1. an outer frame; 2. a display board; 3. a fixed block; 4. a sleeve; 5. a threaded post; 6. a gasket; 7. a four-corner bracket; 8. a roller; 9. a longitudinal slide bar; 10. a transverse sliding bar; 11. a longitudinal chute; 12. a transverse chute; 13. a through groove; 14. a genetic information model; 15. a storage box; 16. a box door; 17. a magnetic sheet; 18. a knob; 19. a bearing; 20. pressing a plate; 21. a threaded rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-4, the utility model relates to a demonstration teaching aid for high school biology teaching show genetic information flows, including outer frame 1, outer frame 1 outer wall avris is provided with a plurality of vertical spouts 11 and horizontal spout 12, the inside sliding connection of vertical spout 11 has horizontal slide bar 10, the inside sliding connection of horizontal spout 12 has vertical slide bar 9, vertical slide bar 9 has threaded rod 21 with the equal threaded connection of horizontal slide bar 10 one end, threaded rod 21 one end runs through vertical spout 11 and horizontal spout 12 respectively, and be connected with knob 18, 1 bottom central point of outer frame puts and installs fixed block 3, 3 bottom one side of fixed block inlays establishes bearing 19, fixed block 3 has sleeve 4 through bearing 19 swing joint, sleeve 4 bottom threaded connection has screw post 5, screw post 5 bottom is connected with four corners support 7.
Wherein, 1 bottom both sides of outer frame all weld has storage box 15, and storage box 15 outer wall one side is equipped with the hinge, and storage box 15 articulates through the hinge has chamber door 16, through the storage of storage box 15 for more genetic information models 14 obtain the storage, avoid taking place to omit.
Wherein, outer frame 1 internally mounted has show board 2, and 2 outer walls of show board adsorb and are connected with a plurality of magnetic sheets 17, and magnetic sheet 17 is connected with genetic information model 14 respectively, adsorbs on show board 2 through magnetic sheet 17 for genetic information model 14 permutation and combination is more convenient.
Wherein, threaded column 5 is equipped with gasket 6 at the outer wall cover that is close to four corners support 7, and gasket 6 is the rubber material, presses through the pad of gasket 6, avoids sleeve 4 to take place to extrude impaired.
A through groove 13 is formed in one side of the outer wall of the longitudinal sliding rod 9, one end of the transverse sliding rod 10 penetrates through the through groove 13, the longitudinal sliding rod 9 is perpendicular to the transverse sliding rod 10, and a local block diagram formed by the longitudinal sliding rod 9 and the transverse sliding rod 10 is more visual and obvious through the perpendicular relation between the longitudinal sliding rod 9 and the transverse sliding rod 10.
Wherein, the connecting part of the knob 18 and the threaded rod 21 is provided with the pressing plate 20, the diameter of the pressing plate 20 is larger than the width of the longitudinal sliding groove 11 and the width of the transverse sliding groove 12, and the fixing effect of the knob 18 is improved by the extrusion of the pressing plate 20.
Wherein, gyro wheel 8 is all installed to 7 bottom corners of four corners supports, and gyro wheel 8 is the universal wheel, through the roll of gyro wheel 8 for the removal of this demonstration teaching aid is more convenient.
Wherein, show board 2 adopts iron metal material to make, and 2 outer walls of show board are paintd and have been scribbled anti rust coating, through the anti rust coating who paints, avoid show board 2 to avoid the oxidation to rust to improve the life of this demonstration teaching aid.
The working principle is as follows: when the demonstration teaching aid for displaying the genetic information flow in the high school biology teaching is used, firstly, the demonstration teaching aid is moved to a designated teaching area, a corresponding genetic information model 14 is taken out from a storage box 15, local area block diagrams with different sizes are formed on an outer frame 1 by adjusting a longitudinal sliding rod 9 and a transverse sliding rod 10 through adjusting the movement of the longitudinal sliding rod 9 and the transverse sliding rod 10 on a longitudinal sliding groove 11 and a transverse sliding groove 12, the local area block diagrams are kept stable and are prevented from being changed through screwing two knobs 18 and enabling a threaded rod 21 to perform threaded rotation progressive so as to respectively press the longitudinal sliding rod 9 and the transverse sliding rod 10, and then a threaded column 5 is protruded from a sleeve 4 through rotating the sleeve 4, so that the height of the demonstration teaching aid is improved, the demonstration teaching aid is more widely displayed, and the local area block diagrams are formed through moving the two sliding rods, chaotic phenomenon appears in the genetic information permutation and combination has been avoided, thereby improve teaching quality, this kind of a demonstration teaching aid that is used for high school's biological teaching to show genetic information flow, storage through storage box 15, make more genetic information models 14 obtain the storage, avoid taking place to omit, and adsorb on show board 2 through magnetic sheet 17, it is more convenient to make genetic information models 14 permutation and combination, rethread gasket 6's pad pressure, it is impaired to avoid sleeve 4 to take place the extrusion, and simultaneously, utilize vertical slide bar 9 and horizontal slide bar 10's perpendicular relation, make the local block diagram that vertical slide bar 9 and horizontal slide bar 10 formed more directly perceived showing, rethread platen 20's extrusion, the fixed effect of knob 18 has been improved. The utility model has the advantages of simple and reasonable structure, the modern design can effectively improve the teaching quality, and easy operation is convenient, has higher practical value.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a demonstration teaching aid for biological teaching of high school demonstrates genetic information flows, includes outer frame (1), its characterized in that, outer frame (1) outer wall avris is provided with a plurality of vertical spouts (11) and horizontal spout (12), vertical spout (11) inside sliding connection has horizontal slide bar (10), horizontal spout (12) inside sliding connection has vertical slide bar (9), vertical slide bar (9) and horizontal slide bar (10) one end equal threaded connection have threaded rod (21), threaded rod (21) one end runs through vertical spout (11) and horizontal spout (12) respectively, and is connected with knob (18), fixed block (3) are installed to outer frame (1) bottom central point position, bearing (19) are inlayed to fixed block (3) bottom one side, fixed block (3) have sleeve (4) through bearing (19) swing joint, the bottom end of the sleeve (4) is in threaded connection with a threaded column (5), and the bottom end of the threaded column (5) is connected with a four-corner support (7).
2. The demonstration teaching aid for high school biology teaching demonstration genetic information flow according to claim 1, characterized in that storage boxes (15) are welded on both sides of the bottom end of the outer frame (1), a hinge is arranged on one side of the outer wall of each storage box (15), and each storage box (15) is hinged to a box door (16) through the hinge.
3. The demonstration teaching aid for high school biology teaching demonstration genetic information flow is characterized in that a demonstration board (2) is installed inside the outer frame (1), a plurality of magnetic sheets (17) are connected to the outer wall of the demonstration board (2) in an adsorption mode, and the magnetic sheets (17) are respectively connected with a genetic information model (14).
4. The demonstration teaching aid for high school biology teaching demonstration genetic information flow according to claim 1, characterized in that the threaded column (5) is sleeved with a gasket (6) on the outer wall near the four-corner bracket (7), and the gasket (6) is made of rubber.
5. The demonstration teaching aid for high school biology teaching demonstration genetic information flow according to claim 1, characterized in that a through groove (13) is arranged on one side of the outer wall of the longitudinal sliding rod (9), one end of the transverse sliding rod (10) penetrates through the through groove (13), and the longitudinal sliding rod (9) and the transverse sliding rod (10) are perpendicular to each other.
6. The demonstration teaching aid for high school biology teaching demonstration genetic information flow according to claim 1, characterized in that the connection between the knob (18) and the threaded rod (21) is provided with a pressing plate (20), and the diameter of the pressing plate (20) is larger than the width of the longitudinal sliding groove (11) and the transverse sliding groove (12).
7. The demonstration teaching aid for high school biology teaching demonstration genetic information flow according to claim 1, characterized in that the four corner brackets (7) are all provided with rollers (8) at the bottom corners, and the rollers (8) are all universal wheels.
8. A demonstration teaching aid for high school biology teaching demonstration of genetic information flow according to claim 3, characterized in that the display board (2) is made of ferrous metal material, and the outer wall of the display board (2) is coated with rust-proof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121407820.4U CN214955520U (en) | 2021-06-24 | 2021-06-24 | Demonstration teaching aid for displaying genetic information flow in high school biology teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121407820.4U CN214955520U (en) | 2021-06-24 | 2021-06-24 | Demonstration teaching aid for displaying genetic information flow in high school biology teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214955520U true CN214955520U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121407820.4U Expired - Fee Related CN214955520U (en) | 2021-06-24 | 2021-06-24 | Demonstration teaching aid for displaying genetic information flow in high school biology teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214955520U (en) |
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2021
- 2021-06-24 CN CN202121407820.4U patent/CN214955520U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20211130 |