CN213594827U

CN213594827U - Specimen box for junior middle school student biological teaching

Info

Publication number: CN213594827U
Application number: CN202022677435.3U
Authority: CN
Inventors: 史欣悦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-02
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to the technical field of teaching aids, in particular to a specimen box for junior middle school student biology teaching, which can change the longitudinal position of the specimen box according to the actual situation, is suitable for students with various heights, enhances the practicability and the reliability, can change the transverse distance of the specimen, is convenient for observing the details of the specimen in all directions, comprises a specimen box body and a bottom plate, wherein the four sides of the circumference of the specimen box body are all provided with through grooves which are communicated with each other left and right, the inside of the through grooves is fixedly connected with a transparent baffle, the bottom of the specimen box body is fixedly connected with a fixed frame, the inside bottom of the fixed frame is provided with a motor, the output end of the motor is fixedly connected with a rotating shaft, the top end of the rotating shaft extends to the inside of the specimen box body and is fixedly connected with a display stand, the top end of the specimen, the right-hand member downside of case lid passes through tower padlock and the right-hand member upside fixed connection of specimen box body.

Description

Specimen box for junior middle school student biological teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a specimen box for junior middle school's biological teaching.

Background

As is well known, specimens are animals, plants, minerals, etc., which are treated to preserve them for a long time and maintain their original appearance as much as possible, thereby providing them for exhibition, demonstration, education, identification, examination and other various researches.

The utility model with the Chinese patent number of CN201920302437.9 discloses a specimen box for biological teaching, when in use, the box body and the box cover adopt transparent design, so that the students can effectively and conveniently watch the specimen, is also provided with metal shaping strips, the angle can be adjusted through the metal shaping strips after the specimen is connected with the adhesive layer, in addition, the lens is adhered with the connecting strips, the number of the connecting strips is four, the connecting strips are respectively positioned on four corners of the lens, the connection between the lens and the connecting strips is stable, have a connection pad after lens and transparent box are connected simultaneously, connection stability is better, and lens are difficult for dropping, are provided with the tenon on the transparent box, and tenon and transparent box formula as an organic whole set up, are provided with the mortise that pairs mutually with the tenon on the transparent box cover, and transparent box and transparent case lid pass through the tenon and the mortise is connected, and transparent box and transparent case lid connection stability is good.

The above prior art solutions still have the following drawbacks: its when using, the sample is located the specimen-box, is not convenient for change the horizontal and vertical position of specimen-box according to actual conditions, is not suitable for the student of each height, and the use limitation is higher, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a can change the longitudinal position of specimen-box according to actual conditions, be applicable to the student of each height, reinforcing practicality and reliability, and can change the transverse distance of sample, the specimen-box is used in junior middle school's biological teaching of the all-round observation sample details of being convenient for.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a specimen box for junior middle school student biology teaching comprises a specimen box body and a bottom plate, wherein four sides of the circumference of the specimen box body are provided with through grooves which are communicated from left to right, the inside of each through groove is fixedly connected with a transparent baffle, the bottom end of the specimen box body is fixedly connected with a fixing frame, the inside bottom end of the fixing frame is provided with a motor, the output end of the motor is fixedly connected with a rotating shaft, the top end of the rotating shaft extends to the inside of the specimen box body and is fixedly connected with a display platform, the bottom end of the display platform is contacted with the lower inner side wall of the specimen box body, the bottom end of the fixing frame is fixedly connected with a connecting seat, the bottom end of the connecting seat is fixedly connected with a fixing plate, the rear side of the left end of the fixing plate is provided with a convex sliding groove, the inside of the convex sliding groove is slidably connected with a convex, second screw hole has evenly been seted up to the left end front side of fixed plate, and the second screw hole is located the right side of first screw hole, the inside threaded connection of first screw hole and second screw hole has fixing bolt, the right-hand member downside fixedly connected with connecting pipe of fixed plate, the inside sliding connection of connecting pipe has the spliced pole, and the top of spliced pole extends to the outside fixedly connected with push pedal of connecting pipe, the top of push pedal and the bottom fixed connection of fixed frame, and the front end downside of spliced pole is connected with the gear through the roller bearing, the bottom fixedly connected with chain of connecting block, chain and gear looks adaptation, the other end fixedly connected with L template of chain, the bottom of L template with the top fixed connection of bottom plate.

Preferably, the top of specimen box body is provided with the case lid, and the bottom left side of case lid is passed through the pivot and is connected with the top left side rotation of specimen box body, the right-hand member downside of case lid passes through tower padlock and the right-hand member upside fixed connection of specimen box body.

Preferably, the equal fixedly connected with stand pipe in top four corners position of bottom plate, the inside sliding connection of stand pipe has the guide bar, the top of guide bar and the bottom fixed connection of fixed frame.

Preferably, the bottom end of the guide tube is provided with a cushion pad, and the bottom end of the cushion pad is fixedly connected with the top end of the bottom end.

Preferably, the front end of the roller is fixedly connected with a limiting plate, and the rear end of the limiting plate is in contact with the front end of the gear.

Preferably, the bottom end of the bottom plate is fixedly connected with a non-slip mat.

(III) advantageous effects

Compared with the prior art, the utility model provides a specimen box for junior middle school student's biological teaching possesses following beneficial effect:

this specimen box for junior middle school student's biological teaching, can hold the handle and reciprocate, change the position of protruding type slider in protruding type spout, chain effect gear revolve simultaneously, and then change the position of connecting pipe in the spliced pole, make the fixed frame of push pedal effect reciprocate, can change the longitudinal position of specimen box according to actual conditions, be applicable to the student of each height, reinforcing practicality and reliability, driving motor, drive the pivot, make the show stand at this internal rotation of specimen box, can change the transverse distance of sample, the all-round observation sample detail of being convenient for, convenience and reliability are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 3 is a left side view structure diagram of the connection of the fixing plate, the convex chute, the fixing bolt and the like of the present invention;

fig. 4 is the utility model discloses the left side of connecting is looked the structure schematic diagram such as roller bearing, gear and limiting plate.

In the figure: 1. a specimen box body; 2. a base plate; 3. a transparent baffle; 4. a fixing frame; 5. a motor; 6. a rotating shaft; 7. a display stand; 8. a support frame; 9. a fixing plate; 10. a convex chute; 11. a convex slider; 12. connecting blocks; 13. a handle; 14. a first threaded hole; 15. a second threaded hole; 16. fixing the bolt; 17. a connecting pipe; 18. connecting columns; 19. pushing the plate; 20. a roller; 21. a gear; 22. a chain; 23. an L-shaped plate; 24. a box cover; 25. a shaft pin; 26. a tower padlock; 27. a guide tube; 28. a guide bar; 29. a cushion pad; 30. a limiting plate; 31. a non-slip mat.

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.

Examples

Referring to fig. 1-4, a specimen box for junior middle school student biology teaching comprises a specimen box body 1 and a bottom plate 2, wherein four sides of the circumference of the specimen box body 1 are provided with through grooves which are communicated from left to right, a transparent baffle 3 is fixedly connected inside the through grooves, so that a specimen in the specimen box body 1 can be directly observed through the transparent baffle 3, convenience is enhanced, the bottom end of the specimen box body 1 is fixedly connected with a fixing frame 4, a motor 5 is installed at the bottom end inside the fixing frame 4, the motor 5 is a motor 5 with the model of Y80M1-2, the motor 5 is a known device directly purchased on the market and is a person skilled in the art, and is used here without structural and functional improvements, which are not described in detail herein, the motor 5 is provided with a control switch matched with the motor, and the installation position of the control switch is selected according to actual use requirements, convenient for operators to operate and control, for the positive and negative rotation of the motor 5, as known from the patent published under the patent number CN106504401B, the positive and negative rotation of the motor 5 is a well-known technology of technicians in the field, the technology is mature and can be realized, the output end of the motor 5 is fixedly connected with a rotating shaft 6, the top end of the rotating shaft 6 extends to the inside of the specimen box body 1 and is fixedly connected with a display platform 7, the motor 5 is driven to rotate the rotating shaft 6, and further the display platform 7 rotates to display specimens in an omnibearing manner, the bottom end of the display platform 7 is contacted with the lower inner side wall of the specimen box body 1, the left side of the top end of the bottom plate 2 is fixedly connected with a support frame 8, the right side of the inside top end of the support frame 8 is fixedly connected with a fixed plate 9, a convex chute 10 is arranged at the rear side of the left, the left end of the convex sliding block 11 is fixedly connected with a connecting block 12, the left end of the connecting block 12 is fixedly connected with a handle 13, the upper side of the left end of the connecting block 12 is provided with a first threaded hole 14 which is through from left to right, the front side of the left end of a fixing plate 9 is uniformly provided with a second threaded hole 15, the second threaded hole 15 is positioned at the right side of the first threaded hole 14, the inner threads of the first threaded hole 14 and the second threaded hole 15 are connected with a fixing bolt 16, the lower side of the right end of the fixing plate 9 is fixedly connected with a connecting pipe 17, the inner part of the connecting pipe 17 is slidably connected with a connecting column 18, the lower side of the front end of the connecting column 18 is connected with a gear 21 through a rolling shaft 20, the bottom end of the connecting block 12 is fixedly connected with a chain 22, the chain 22 is matched with the gear 21, the other end of the chain 22 is fixedly connected, chain 22 acts on gear 21 and rotates for spliced pole 18 slides in connecting pipe 17, makes the push rod act on fixed frame 4, thereby changes the height of specimen box body 1, is suitable for the student with different heights, improves the reliability, reduces and uses the limitation.

It should be further noted that the top end of the specimen box body 1 is provided with a box cover 24, the left side of the bottom end of the box cover 24 is rotatably connected with the left side of the top end of the specimen box body 1 through a shaft pin 25, the lower side of the right end of the box cover 24 is fixedly connected with the upper side of the right end of the specimen box body 1 through a tower buckle 26, so as to be convenient for placing and taking the specimen and protect the specimen, four corners of the top end of the bottom plate 2 are fixedly connected with guide tubes 27, guide rods 28 are slidably connected inside the guide tubes 27, the top end of the guide rods 28 is fixedly connected with the bottom end of the fixed frame 4, so as to play an effective guiding role when the specimen box body 1 moves up and down, the bottom end of the guide tubes 27 is provided with a cushion 29, the bottom end of the cushion 29 is fixedly connected with the top end of the bottom end, when the guide rods 28 move to the bottom end of, the rear end of limiting plate 30 contacts with the front end of gear 21, prevents that gear 21 from rotating fast and slipping on roller 20, plays effectual limiting displacement, and the bottom fixedly connected with slipmat 31 of bottom plate 2 can increase the coefficient of friction between ground or desktop and bottom plate 2, reinforcing stability.

In conclusion, this specimen box for junior middle school student's biological teaching, when using, at first place this specimen box for junior middle school student's biological teaching in the required position of using, open case lid 24 and place the sample that needs the show on show stand 7, close case lid 24, driving motor 5 drives pivot 6, make show stand 7 rotate, thereby change the angle of sample, then hold handle 13 and reciprocate, change the position of protruding type slider 11 in protruding type spout 10, chain 22 effect gear 21 rotates, and then change the position of connecting pipe 17 in spliced pole 18, make the fixed frame 4 of push pedal 19 effect reciprocate, guide bar 28 reciprocates in stand pipe 27 simultaneously, play the guide effect, the above-mentioned operation is until teaching is accomplished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a specimen box is used in biological teaching of junior middle school, includes specimen box body (1) and bottom plate (2), its characterized in that: the specimen box comprises a specimen box body (1), wherein four sides of the circumference of the specimen box body are provided with a left through groove and a right through groove, a transparent baffle (3) is fixedly connected inside the through groove, a fixed frame (4) is fixedly connected to the bottom end of the specimen box body (1), a motor (5) is installed at the bottom end inside the fixed frame (4), a rotating shaft (6) is fixedly connected to the output end of the motor (5), a display table (7) is fixedly connected to the top end of the rotating shaft (6) and extends to the inside of the specimen box body (1), the bottom end of the display table (7) is contacted with the lower inner side wall of the specimen box body (1), a support frame (8) is fixedly connected to the left side of the top end of a bottom plate (2), a fixed plate (9) is fixedly connected to the right side of the inside top end of the support frame (8), a convex chute, the left end of the convex sliding block (11) is fixedly connected with a connecting block (12), the left end of the connecting block (12) is fixedly connected with a handle (13), the upper side of the left end of the connecting block (12) is provided with a first threaded hole (14) which is communicated with the left and the right, the front side of the left end of the fixing plate (9) is uniformly provided with a second threaded hole (15), the second threaded hole (15) is positioned on the right side of the first threaded hole (14), the inner threads of the first threaded hole (14) and the second threaded hole (15) are connected with a fixing bolt (16), the lower side of the right end of the fixing plate (9) is fixedly connected with a connecting pipe (17), the inner part of the connecting pipe (17) is connected with a connecting column (18) in a sliding manner, the top end of the connecting column (18) extends to the push plate (19) fixedly connected with the, the front end downside of spliced pole (18) is connected with gear (21) through roller bearing (20), the bottom fixedly connected with chain (22) of connecting block (12), chain (22) and gear (21) looks adaptation, the other end fixedly connected with L template (23) of chain (22), the bottom of L template (23) with the top fixed connection of bottom plate (2).

2. The specimen box for junior middle school biology teaching of claim 1, characterized in that: the top of specimen box body (1) is provided with case lid (24), and the bottom left side of case lid (24) is passed through pivot (25) and is rotated with the top left side of specimen box body (1) and be connected, the right-hand member downside of case lid (24) passes through tower padlock (26) and specimen box body's (1) right-hand member upside fixed connection.

3. The specimen box for junior middle school biology teaching of claim 2, characterized in that: the equal fixedly connected with stand pipe (27) in top four corners position of bottom plate (2), the inside sliding connection of stand pipe (27) has guide bar (28), the top of guide bar (28) and the bottom fixed connection of fixed frame (4).

4. The specimen box for junior middle school biology teaching of claim 3, characterized in that: the bottom end of the guide tube (27) is provided with a cushion pad (29), and the bottom end of the cushion pad (29) is fixedly connected with the top end of the bottom end.

5. The specimen box for junior middle school biology teaching of claim 4, characterized in that: the front end of the rolling shaft (20) is fixedly connected with a limiting plate (30), and the rear end of the limiting plate (30) is in contact with the front end of the gear (21).

6. The specimen box for junior middle school biology teaching of claim 5, characterized in that: the bottom end of the bottom plate (2) is fixedly connected with an anti-skid pad (31).