CN215987789U

CN215987789U - Biological teacher of junior middle school uses biological sample viewing device

Info

Publication number: CN215987789U
Application number: CN202122018958.1U
Authority: CN
Inventors: 李紫源
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-08
Anticipated expiration: 2031-08-26

Abstract

The utility model belongs to the technical field of teaching supplies, and particularly relates to a biological sample observation device for junior middle school biology teachers, aiming at the problems that the conventional biological sample observation device for junior middle school biology teachers is inconvenient to carry during use, can only store one or more samples mostly, and is low in utilization rate, the biological sample observation device comprises a bottom box, wherein a support column is fixedly arranged at the top of the bottom box, a glass cover is fixedly arranged at the top of the bottom box, a plurality of placing plates are fixedly arranged on the support column, a plurality of partition plates are arranged on the placing plates, a support rod is in threaded connection with the top end of the support column, a movable plate is rotatably connected onto the support rod, a plurality of baffle plates are fixedly arranged at the bottom of the movable plate, and the baffle plates are in sliding connection with the glass cover. The biological sample storage box is simple to operate, convenient to use, capable of being used for conveniently protecting and storing a biological sample, convenient to display and carry and capable of being stored for a long time.

Description

Biological teacher of junior middle school uses biological sample viewing device

Technical Field

The utility model relates to the technical field of teaching supplies, in particular to a biological sample observation device for junior middle school biology teachers.

Background

Junior middle school biology is the junior middle school subject of china, the junior middle school subject of national regulation, its purpose is in order to let the student know our living earth and on earth living biological secret and essence, make a very important subject, wherein the sample of insect or plant etc. is convenient for student's understanding biological secret more, know the charm of nature, it is generally going to the exhibition hall to observe the sample today, because the sample is very easily damaged, need a junior middle school biology teacher to use biological sample viewing device now, the sample of the more comprehensive observation insect of being convenient for students or plant etc., the teacher of being convenient for carries out the tutor explanation of tutoring, protect the sample not damaged by the external world simultaneously.

The biological sample observation device for the existing junior middle school biological teachers is inconvenient to carry when in use, and most of the biological sample observation devices can only store one or a plurality of samples, so that the utilization rate is low, and therefore, the biological sample observation device for the junior middle school biological teachers is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the existing biological sample observation device for junior middle school biology teachers is inconvenient to carry when in use, can only store one or a plurality of samples mostly and has low utilization rate.

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

the utility model provides a junior middle school's biological teacher uses biological sample viewing device, includes end box, the top fixed mounting of end box has the support column, the top fixed mounting of end box has the glass cover, fixed mounting has a plurality of boards of placing on the support column, installs a plurality of baffles on a plurality of boards of placing, the top threaded connection of support column has the bracing piece, rotates on the bracing piece to be connected with the movable plate, and the bottom fixed mounting of movable plate has a plurality of baffles, baffle and glass cover sliding connection, the top fixed mounting of bracing piece has the bottom plate, and the top fixed mounting of bottom plate has the handle, is equipped with positioning mechanism on hand, the top of glass cover is equipped with air guide mechanism.

Preferably, the positioning mechanism comprises a positioning pin, the positioning pin is slidably mounted on a handle, a clamping groove is formed in the top of the movable plate, the clamping groove is movably connected with the positioning pin, a pull rod is fixedly mounted on the positioning pin, a reset spring is fixedly mounted at the top of the pull rod and fixedly connected with the handle, and the positioning pin can be clamped with the clamping groove, so that the handle and the bottom plate can be positioned.

Preferably, the air guide mechanism comprises air guide boxes, two air guide boxes are fixedly mounted at the top of the glass cover, a fixed rod and a filter plate are fixedly mounted on the inner wall of each air guide box, a positioning shaft is connected to the fixed rod in a rotating mode, fan blades are fixedly mounted at the bottom end of the positioning shaft, a motor is fixedly mounted on one side of one air guide box of the two air guide boxes, the two air guide boxes are connected with the same transmission rod in a rotating mode, the transmission rod is connected with the two positioning shafts in a transmission mode, the output shaft of the motor is fixedly connected with the transmission rod, first bevel gears are fixedly mounted at the two ends of the transmission rod, second bevel gears are fixedly mounted at the top ends of the positioning shafts, the first bevel gears and the second bevel gears are meshed with each other, the output shaft of the motor can drive the two positioning shafts to rotate through the transmission rod, and then the fan blades are driven to guide air in the boxes.

Compared with the prior art, the utility model has the advantages that:

(1) according to the scheme, due to the arrangement of the positioning mechanism, the handle can be positioned by the positioning pin, so that the phenomenon that a teacher loosens and falls off when the teacher carries the teacher by hand is prevented;

(2) because air guide mechanism's setting for the motor can be through the flabellum to the air in the glass cover conversion, makes the biological sample on placing the board can last to place for a long time.

The biological sample storage box is simple to operate, convenient to use, capable of being used for conveniently protecting and storing a biological sample, convenient to display and carry and capable of being stored for a long time.

Drawings

FIG. 1 is a schematic structural diagram of a biological sample observation device for a junior middle school biology teacher according to the present invention;

FIG. 2 is a schematic perspective view of a bottom case of a biological sample observation device for a junior middle school biological teacher according to the present invention;

FIG. 3 is a schematic top view of a bottom case of a biological sample observation device for a junior middle school biological teacher according to the present invention;

fig. 4 is a schematic structural diagram of part a of a biological sample observation device for a junior middle school biology teacher according to the present invention.

In the figure: 1. a bottom case; 2. a support pillar; 3. placing the plate; 4. a glass cover; 5. a support bar; 6. moving the plate; 7. a handle; 8. a card slot; 9. positioning pins; 10. a pull rod; 11. a return spring; 12. a base plate; 13. a baffle plate; 14. a wind guiding box; 15. a filter plate; 16. fixing the rod; 17. positioning the shaft; 18. a fan blade; 19. a transmission rod; 20. a motor; 21. screening a screen; 22. an air vent; 23. a separator.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, a biological sample viewing device for junior middle school biology teachers, including end box 1, the top fixed mounting of end box 1 has support column 2, the top fixed mounting of end box 1 has glass cover 4, fixed mounting has a plurality of boards 3 of placing on the support column 2, a plurality of boards 23 of placing are installed on the board 3, the top threaded connection of support column 2 has bracing piece 5, it is connected with movable plate 6 to rotate on the bracing piece 5, the bottom fixed mounting of movable plate 6 has a plurality of baffles 13, baffle 13 and 4 sliding connection of glass cover, the top fixed mounting of bracing piece 5 has bottom plate 12, the top fixed mounting of bottom plate 12 has handle 7, be equipped with positioning mechanism on the handle 7, the top of glass cover 4 is equipped with air guide mechanism.

In this embodiment, positioning mechanism includes locating pin 9, and locating pin 9 slidable mounting has been seted up at the top of movable plate 6 on handle 7, and draw-in groove 8 has been seted up at draw-in groove 8 and locating pin 9 swing joint, and fixed mounting has pull rod 10 on the locating pin 9, and the top fixed mounting of pull rod 10 has reset spring 11, and reset spring 11 and handle 7 fixed connection, locating pin 9 can be through clamping each other with draw-in groove 8 to can fix a position handle 7 and bottom plate 12.

In the embodiment, the air guiding mechanism comprises air guiding boxes 14, two air guiding boxes 14 are fixedly arranged at the top of the glass cover 4, a fixing rod 16 and a filter plate 15 are fixedly arranged on the inner wall of each air guiding box 14, a positioning shaft 17 is rotatably connected onto the fixing rod 16, fan blades 18 are fixedly arranged at the bottom end of the positioning shaft 17, a motor 20 is fixedly arranged on one side of one air guiding box 14 of the two air guiding boxes 14, the two air guiding boxes 14 are rotatably connected with a same transmission rod 19, the transmission rod 19 is in transmission connection with the two positioning shafts 17, and the output shaft of the motor 20 is fixedly connected with the transmission rod 19, the two ends of the transmission rod 19 are both fixedly provided with first bevel gears, the top ends of the positioning shafts 17 are fixedly provided with second bevel gears, the first bevel gears and the second bevel gears are meshed with each other, the output shaft of the motor 20 can drive the two positioning shafts 17 to rotate through the transmission rod 19, and then the fan blades 18 are driven to guide air in the box.

The working principle is that when a biological sample on the placing plate 3 needs to be observed, the pull rod 10 is pulled to move upwards, the pull rod 10 drives the positioning pin 9 to move out of the clamping groove 8, the handle 7 is rotated at the same time, the handle 7 drives the supporting rod 5 to rotate through the bottom plate 12, the supporting rod 5 forms relative movement through threaded connection with the supporting column 2, the moving supporting rod 5 drives the moving plate 6 to move through rotational connection with the moving plate 6, the moving plate 6 drives the baffle 13 to move upwards, when the baffle 13 moves upwards, the biological sample on the placing plate 3 can be exposed, so that people can conveniently observe, the switch of the motor 20 is started at the same time, the output shaft of the motor 20 drives the transmission rod 19 to rotate, the transmission rod 19 drives the positioning shaft 17 to rotate through mutual meshing of the first conical gear and the second conical gear, the positioning shaft 17 drives the fan blades 18 to rotate, the fan blades 18 convert the air in the glass cover 4, so that the biological sample in the glass cover 4 can be conveniently placed for a long time.

Example two

Referring to fig. 1-4, a biological sample viewing device for junior middle school biology teachers, including end box 1, the top fixed mounting of end box 1 has support column 2, the top fixed mounting of end box 1 has glass cover 4, fixed mounting has a plurality of boards 3 of placing on the support column 2, a plurality of boards 23 of placing are installed on the board 3, the top threaded connection of support column 2 has bracing piece 5, it is connected with movable plate 6 to rotate on the bracing piece 5, the bottom fixed mounting of movable plate 6 has a plurality of baffles 13, baffle 13 and 4 sliding connection of glass cover, the top fixed mounting of bracing piece 5 has bottom plate 12, the top fixed mounting of bottom plate 12 has handle 7, be equipped with positioning mechanism on the handle 7, the top of glass cover 4 is equipped with air guide mechanism, a plurality of through-holes have been seted up on end box 1, fixed mounting has a plurality of screens 21 on the inner wall of through-hole, a plurality of air guide holes 22 have been seted up at the top of end box 1.

The difference between the second embodiment and the first embodiment is that the through holes and the air vents 22 on the bottom case 1 can increase the efficiency of air conversion in the glass cover 4, thereby facilitating the oxygen requirement and conversion of the biological sample.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A biological sample observation device for junior middle school biology teachers comprises a bottom box (1) and is characterized in that, the top of the bottom box (1) is fixedly provided with a support column (2), the top of the bottom box (1) is fixedly provided with a glass cover (4), a plurality of placing plates (3) are fixedly arranged on the supporting column (2), a plurality of clapboards (23) are arranged on the plurality of placing plates (3), the top end of the supporting column (2) is in threaded connection with a supporting rod (5), the supporting rod (5) is rotatably connected with a moving plate (6), a plurality of baffles (13) are fixedly arranged at the bottom of the moving plate (6), the baffles (13) are in sliding connection with the glass cover (4), the top end of the supporting rod (5) is fixedly provided with a bottom plate (12), the top of the bottom plate (12) is fixedly provided with a handle (7), the handle (7) is provided with a positioning mechanism, and the top of the glass cover (4) is provided with an air guide mechanism.

2. The biological sample observation device for junior middle school creatures teachers as claimed in claim 1, wherein the positioning mechanism comprises a positioning pin (9), the positioning pin (9) is slidably mounted on the handle (7), a clamping groove (8) is formed in the top of the moving plate (6), and the clamping groove (8) is movably connected with the positioning pin (9).

3. The biological sample observation device for junior middle school biology teachers as claimed in claim 1, wherein the air guiding mechanism comprises air guiding boxes (14), two air guiding boxes (14) are fixedly mounted on the top of the glass cover (4), a fixing rod (16) and a filter plate (15) are fixedly mounted on the inner wall of each air guiding box (14), a positioning shaft (17) is rotatably connected onto each fixing rod (16), fan blades (18) are fixedly mounted at the bottom end of each positioning shaft (17), a motor (20) is fixedly mounted on one side of one air guiding box (14) of the two air guiding boxes (14), the two air guiding boxes (14) are rotatably connected with the same transmission rod (19), the transmission rod (19) is in transmission connection with the two positioning shafts (17), and the output shaft of the motor (20) is fixedly connected with the transmission rod (19).

4. The biological sample observation device for junior middle school biology teachers as claimed in claim 2, wherein a pull rod (10) is fixedly mounted on the positioning pin (9), a return spring (11) is fixedly mounted on the top of the pull rod (10), and the return spring (11) is fixedly connected with the handle (7).

5. The biological sample observation device for junior middle school creatures teachers as claimed in claim 3, wherein both ends of the transmission rod (19) are fixedly provided with first bevel gears, the top end of the positioning shaft (17) is fixedly provided with second bevel gears, and the first bevel gears and the second bevel gears are meshed with each other.