CN214325143U

CN214325143U - High school student biological science teaching aid

Info

Publication number: CN214325143U
Application number: CN202021525723.0U
Authority: CN
Inventors: 裴中兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-10-01
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to the technical field of teaching aids, in particular to a high school student biological science teaching aid, which comprises a carriage and a tray, wherein the carriage is divided into a placing bin, an instrument placing cavity, an instrument placing cabinet and a wastewater collecting box, the lower surface in the instrument placing cavity is rotatably provided with a first gear, the upper surface of the first gear is fixedly provided with a threaded column, the upper end of the threaded column is fixedly provided with a rotating disc, a second gear is rotatably arranged between the first gears, the first gear is meshed with the second gear, two ends of the tray are provided with threaded holes, the threaded holes are meshed with the threaded column, the rotating disc at the upper end of the threaded column is rotated to generate a spiral force between the threaded column and the threaded holes to lift the tray to the upper end of the instrument placing cavity, an experimental device is placed on a turntable rotatably arranged in the tray, and the experimental phenomenon is comprehensively displayed to the same students through the turntable, place storehouse and apparatus and place the cabinet and be used for convenient removal and use experimental facilities, wastewater collection box is convenient for experiment waste water's recovery and processing.

Description

High school student biological science teaching aid

Technical Field

The utility model relates to a teaching aid technical field, in particular to biological science teaching aid of high school student.

Background

In carrying out high school biology teaching process, need carry out various teaching experiments, consequently often wash various teaching experimental facilities, remove and save, and carry out recovery processing to the various waste liquids that produce in the experiment, can occupy a large amount of manpower mobile experimental facilities usually, can cause the damage to precision instruments even at the removal in-process, unusual inconvenient and extravagant manpower and material resources, and the in-process teacher that the teaching experiment was passed often need carry out detailed show with the experimental phenomenon to the student, adopt the teacher to remove the show or the mode that the teacher changed the position with the student and observe in the teaching now usually, this kind of method is consuming time and consuming power more, inefficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biological science teaching aid of high school student to solve the equipment that proposes in the above-mentioned background and remove inconvenient, extravagant manpower and materials and experiment show and imitate consuming time and wasting force, the problem of inefficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high school student's bioscience teaching aid, includes carriage and tray, one side fixed surface in carriage installs the push rod, the lower surface four corners fixed mounting in carriage has the universal wheel, the storehouse is placed to inside having seted up of lower extreme in carriage, it is provided with the instrument and places the chamber to place storehouse upper surface intermediate position, the instrument is placed the inside lower surface both ends in chamber and is rotated and install first gear, first gear upper surface intermediate position fixed mounting respectively has the screw thread post, rotate between the first gear and install the second gear, the instrument is placed the both sides internal surface upper end fixed mounting in chamber and is had the fixed plate.

Threaded holes are formed in the two ends of the tray, the threaded holes are meshed with the threaded columns, grooves are formed in the inner side of the tray, a rotary disc is installed inside the grooves in a rotating mode, a rotary disc is fixedly installed at the upper ends of the threaded columns, an instrument placing cavity is formed in the upper surface of the cover plate, a cover plate retracting hole is formed in one side of the cover plate, and an instrument placing cabinet and a waste water collecting box are arranged on the two sides of the instrument placing cavity respectively.

Preferably, one side of the placing bin, one side of the instrument placing bin and one side of the waste water collecting box are all hinged with safety doors.

Preferably, the threaded columns penetrate through the fixing plate, wherein one of the threaded columns is fixedly connected with the operating panel.

Preferably, the thickness of the cover plate is consistent with that of the operating panel, a second through hole is formed in the position where the cover plate is overlapped with the operating panel, and the diameter of the second through hole is larger than that of the operating panel.

Preferably, the water outlet of the funnel is fixedly provided with a hose, and the water outlet of the funnel is right above the water inlet of the water tank.

Preferably, the upper half part of the appliance storage cabinet is a storage groove, the lower half part of the appliance storage cabinet is a drawer, and the upper surface of the storage groove is hinged with a panel.

Preferably, the second gear is rotatably mounted between the two first gears, the number of the second gears is two, and the second gears are meshed with the first gears.

The utility model discloses a technological effect and advantage:

1. the push rod through carriage one end installation and the universal wheel of carriage lower surface rotation installation, the flexibility in carriage has been improved, and place the chamber at the instrument and be equipped with the screw thread post, the screw thread post meshes with the screw thread hole, make when the screw thread post rotates, produce the screw power between screw thread post and the screw hole, make the tray rise to the lower surface of fixed plate, the manual movement of the precision instruments who often will use in having reduced the experiment, the impaired probability of precision instruments has significantly reduced, it places storehouse and apparatus and places the cabinet to be provided with in the carriage simultaneously, the portability of teaching experiment apparatus has been increased.

2. Install the carousel through the tray internal rotation, the rotation through the carousel removes in order to reduce mr and student's transposition in the experimentation, has improved the security in the experimentation to practice thrift the teaching time greatly, improved teaching efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is a front view of the structure of the present invention.

Fig. 4 is a partially enlarged view of a portion a shown in fig. 1.

Fig. 5 is a schematic structural view of the middle funnel of the present invention.

In the figure: 1. a carriage; 2. a tray; 3. a push rod; 4. a universal wheel; 5. placing a bin; 6. an instrument placement chamber; 7. a first gear; 8. a threaded post; 9. a second gear; 10. a fixing plate; 11. A threaded hole; 12. a groove; 13. a turntable; 14. rotating the disc; 15. a cover plate; 16. a manhole; 17. an appliance placing cabinet; 18. a wastewater collection tank; 19. a safety door; 20. a through hole; 21. A funnel; 22. a water tank; 23. a hose; 24. a partition plate; 25. a panel.

Detailed Description

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

The utility model provides a high school student bioscience teaching aid as shown in figures 1-5, which comprises a carriage 1 and a tray 2, wherein a push rod 3 is fixedly arranged on the outer surface of one side of the carriage 1, universal wheels 4 are fixedly arranged at four corners of the lower surface of the carriage 1, which is convenient for the carriage 1 to move flexibly when the push rod 3 is pushed by manpower, a placing bin 5 is arranged inside the lower end of the carriage 1, which is convenient for the carriage 1 to store and move various teaching experimental instruments, an instrument placing cavity 6 is arranged at the middle position of the upper surface of the placing bin 5, which is convenient for placing, moving and using precise experimental instruments and is convenient for displaying experimental phenomena, a first gear 7 is rotatably arranged at two ends of the inner lower surface of the instrument placing cavity 6, a threaded column 8 is fixedly arranged at the middle position of the upper surface of the first gear 7 respectively, and the upper end of the threaded column 8 runs through the upper surface of a fixing plate 10, the upper end of the threaded column 8 is fixedly provided with a rotating disc 14, the threaded column 8 and the first gears 7 are driven to rotate together by operating the rotating disc 14, a second gear 9 is rotatably arranged between the first gears 7, the second gears 9 are rotatably arranged between the two first gears 7, the number of the second gears 9 is two, the second gears 9 are meshed with the first gears 7, the first gears 7 drive the second gears 9 to rotate together with the threaded columns 8 thereon, threaded holes 11 are formed in two ends of the tray 2, the threaded holes 11 are meshed with the threaded columns 8, the threaded columns 8 and the threaded holes 11 mutually drive the tray 2 to ascend or descend when the threaded columns 8 rotate, fixing plates 10 are fixedly arranged at the upper ends of the inner surfaces of two sides of the instrument placing cavity 6, the threaded columns 8 are fixed, grooves 12 are formed in the inner side of the tray 2, a rotating disc 13 is rotatably arranged inside the grooves 12, and experimental phenomena on the tray 2 can be conveniently displayed through the rotating disc 13, a cover plate 15 is placed on the upper surface of the instrument placing cavity 6, the thickness of the cover plate 15 is consistent with that of the rotating disc 14, a through hole 20 is formed in the cover plate 15, the diameter of the through hole 20 is larger than that of the rotating disc 14, an experiment is convenient to conduct on the cover plate 15, a cover plate retraction hole 16 is formed in one side of the cover plate 15, the cover plate 15 is convenient to retract, an instrument placing cabinet 17 and a waste water collecting box 18 are respectively arranged on two sides of the instrument placing cavity 6, a funnel 21 is fixedly installed on one side of the upper surface of the waste water collecting box 18, experimental waste water is convenient to collect, a water tank 22 is inserted into one side of the waste water collecting box 18 through the compartment wall of the compartment 1, waste water treatment after the experiment is convenient, a hose 23 is fixedly installed at a water outlet of the funnel 21, a water outlet of the funnel 21 is positioned right above a water inlet of the water tank 22, waste water collection is convenient, a partition plate 24 is arranged at the middle position in the instrument placing cabinet 17, the upper surface that the cabinet 17 was placed to the apparatus articulates there is panel 25, just with the experiment go on the panel 25 with the use of experimental apparatus, place that storehouse 5, instrument place chamber 6 and waste water collection box 18 one side all articulates there is emergency exit 19 to carry out good protection to the laboratory glassware of putting in carriage 1.

Referring to fig. 1 and 4, an instrument placing cavity 6 is arranged in the middle of the upper surface of a placing bin 5, a rotating disc 14 is fixedly mounted at the top end of a threaded column 8, the threaded column 8 is driven to rotate by rotating the rotating disc 14, the threaded column 8 is fixedly connected with a first gear 7, the threaded column 8 rotates to drive the first gear 7 to rotate, a second gear 9 is meshed with the first gear 7, the first gear 7 drives the second gear 9 to rotate, the threaded column 8 is enabled to rotate synchronously, the threaded column 8 is meshed with a threaded hole 11 in a tray 2, the threaded column 8 rotates to interact with the threaded hole 11 to generate a screw force, so that the tray 2 rises to the lower surface of a fixing plate 10, an experimental device is placed on a turntable 13 rotatably mounted on the tray 2, and the turntable 13 is rotated to show experimental phenomena to students.

This practical theory of operation: the carriage 1 is flexibly moved through a push rod 3 and universal wheels 4 arranged on one side of the carriage 1, after cleaning and sterilizing external teaching experimental equipment, a safety door 19 of a placing chamber 5, an instrument placing chamber 6 and a waste water collecting tank 18 is opened, a panel 25 on the upper surface of a tool placing cabinet 17 is opened, the external teaching experimental equipment is placed in the placing chamber 5, the instrument placing chamber 6, the waste water collecting tank 18 and the tool placing cabinet 17, the safety door 19 is closed, the panel 25 is covered, the carriage 1 is pushed to the front of students, the universal wheels 4 below the carriage 1 are fixed, the safety door 19 of the placing chamber 5, the instrument placing chamber 6 and the waste water collecting tank 18 and the panel 25 on the upper surface of the tool placing cabinet 17 are opened, a teaching experimental device needing to be used is taken out and placed on the upper surface of the carriage 1 for experiment, a rotating disc 14 on the upper surface of the carriage 1 is rotated, the lower surface of the rotating disc 14 is fixedly connected with one end of a threaded column 8, when the rotating disc 14 rotates, the threaded column 8 is driven to rotate, the other end of the threaded column 8 is fixedly connected with the first gear 7, when the threaded column 8 rotates, the first gear 7 is driven to rotate, the first gear 7 is meshed with the second gear 9, the second gear 9 is driven to rotate, the threaded columns 8 are driven by the two second gears 9 to synchronously rotate, threaded holes 12 are formed in two sides of the tray 2, the threaded holes 12 are meshed with the threaded columns 8, the threaded columns 8 interact with the threaded holes 12 to generate a screw force when rotating, the tray 9 is driven to ascend to the lower surface of the fixing plate 13, a rotary plate 13 is fixedly arranged in the tray 2, a cover plate 15 is taken up and inserted into a cover plate receiving hole 16, a teaching experiment device to be displayed is rotated on the rotary plate 13, the push rod 3 pushes the carriage 1 and the rotary disk 13 to rotate, so that the experimental phenomenon is comprehensively and easily presented to students.

Waste water that the in-process of experiment produced, pour waste water into the inside of funnel 21, get into water tank 24 through hose 23, collect waste water is concentrated, after the teaching is accomplished, put back original position with the teaching experimental apparatus who uses in the experiment, put back original place with carriage 1 through push rod 3 promotion carriage 1, fixed universal wheel 4, extract water tank 22 and handle experimental waste water, later wash the disinfection to water tank 22, insert waste water collection box 18's inside back with water tank 22 again.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high school student's bioscience teaching aid, includes carriage (1) and tray (2), its characterized in that: the outer surface of one side of the carriage (1) is fixedly provided with a push rod (3), four corners of the lower surface of the carriage (1) are fixedly provided with universal wheels (4), a placing bin (5) is arranged inside the lower end of the carriage (1), an instrument placing cavity (6) is arranged in the middle of the upper surface of the placing bin (5), first gears (7) are rotatably arranged at two ends of the inner lower surface of the instrument placing cavity (6), threaded columns (8) are respectively and fixedly arranged in the middle of the upper surface of each first gear (7), second gears (9) are rotatably arranged between the first gears (7), and fixing plates (10) are fixedly arranged at the upper ends of the inner surfaces of two sides of the instrument placing cavity (6);

threaded hole (11) are seted up at tray (2) both ends, threaded hole (11) with screw thread post (8) meshing, recess (12) are seted up to the inboard of tray (2), carousel (13) are installed in the inside rotation of recess (12), the upper end fixed mounting of screw thread post (8) has rolling disc (14), apron (15) have been placed to chamber (6) upper surface is placed to the instrument, apron receipts hole (16) have been seted up to one side of apron (15), the both sides that chamber (6) were placed to the instrument are provided with the apparatus respectively and place cabinet (17) and wastewater collection box (18).

2. The high school bioscience teaching aid according to claim 1, wherein: one sides of the placing bin (5), the instrument placing cavity (6) and the waste water collecting box (18) are hinged with safety doors (19).

3. The high school bioscience teaching aid according to claim 1, wherein: the upper end of the threaded column (8) rotates to penetrate through the upper surface of the fixing plate (10), and the upper end of the threaded column (8) is connected with the rotating disc (14).

4. The high school bioscience teaching aid according to claim 1, wherein: the thickness of the cover plate (15) is consistent with that of the rotating disc (14), a through hole (20) is formed in the cover plate (15), and the diameter of the through hole (20) is larger than that of the rotating disc (14).

5. The high school bioscience teaching aid according to claim 1, wherein: the utility model discloses a waste water collection box, including waste water collection box (18) upper surface one side fixed mounting have funnel (21), one side of waste water collection box (18) is run through the railway carriage or compartment wall grafting of railway carriage or compartment (1) has water tank (22), the delivery port fixed mounting of funnel (21) has hose (23), just the delivery port of funnel (21) is located directly over the water inlet of water tank (22).

6. The high school bioscience teaching aid according to claim 1, wherein: a partition plate (24) is arranged at the middle position in the appliance placing cabinet (17), and a panel (25) is hinged to the upper surface of the appliance placing cabinet (17).

7. The high school bioscience teaching aid according to claim 1, wherein: the second gears (9) are rotatably arranged between the first gears (7), the number of the second gears (9) is two, and the second gears (9) are meshed with the first gears (7).