CN211604326U

CN211604326U - Middle school biology teaching instrument

Info

Publication number: CN211604326U
Application number: CN201921997174.4U
Authority: CN
Inventors: 王一博
Original assignee: Guangzhou College of Technology and Business
Current assignee: Guangzhou College of Technology and Business
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-29
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a middle school biology teaching instrument, including head tree and movable fixture, head tree's lower extreme passes through screw thread demountable installation in the screw hole of base central authorities, head tree middle section position welding on the upper side installs rather than vertically cross-bar, the camera is installed to the cross-bar overhead mounting, the data connecting wire has been inserted in the jack of camera open one side of movable fixture has the screw, the outer end welded mounting of screw rod has the turning handle, the opposite side welded mounting that movable fixture opened the side that has the screw has the objective table, the inside movable flexible objective table of installing of inlaying of objective table, flexible objective table has the dog in the one end welded mounting in the objective table outside, flexible objective table has the stopper at the side edge position welded mounting of the inside one end of objective table. The middle school biology teaching instrument has the advantages of simple structure, flexible and convenient use, and convenient disassembly and storage.

Description

Middle school biology teaching instrument

Technical Field

The utility model belongs to the technical field of teaching aid for biological course, concretely relates to biological teaching instrument of middle school.

Background

The teaching instrument can be divided into two main categories of experiments and practical training and is mainly applied to various professions such as a reason and an industry, and is used for assisting teachers to perform better classroom demonstration.

On middle school student's live-class, often need show some tiny objects, direct handheld observation is unfavorable for student's observation, can influence the quality of teaching and student's study enthusiasm.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a middle school biology teaching instrument to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a middle school biology teaching instrument comprises a main upright post and a movable clamp, wherein the lower end of the main upright post is detachably mounted in a threaded hole in the center of a base through threads, a cross rod perpendicular to the main upright post is welded and mounted at the upper position of the middle section of the main upright post, a camera is erected on the cross rod, a data connecting wire is inserted in a jack of the camera, the data connecting wire is clamped in a wire clamp claw, the tail end of the wire clamp claw is welded and mounted on the side surface of a wire clamp body, the wire clamp body is sleeved on the main upright post, a boss integrally formed with the main upright post is mounted above the welding point position of the cross rod and the main upright post, the movable clamp is sleeved on the main upright post, a threaded hole is formed in one side of the movable clamp, a screw rod is detachably mounted in the threaded hole through meshed threads, a rotating handle is welded and mounted at the outer end of the screw rod, and an objective table is welded and mounted at, the inside movable flexible objective table of installing of inlaying of objective table, the flexible objective table has the dog at the one end welded mounting in the objective table outside, the side border position welded mounting of flexible objective table in the inside one end of objective table has the stopper.

Preferably, a circular hole with the diameter the same as that of the main upright post is vertically formed in the center of the wire clamp body and the movable clamp.

Preferably, the screw hole is internally provided with threads meshed with the surface of the screw rod.

Preferably, the lower bottom surface of the base is provided with an anti-slip mat in a sticking mode, and the surface of the rotating handle is provided with anti-slip lines.

Preferably, the sum of the lengths of the two sets of telescopic stages is equal to the length of the stage.

Preferably, the other end of the data connection line is inserted into a jack of the projector.

The utility model discloses a technological effect and advantage: this middle school biology teaching instrument, combine modern multi-media classroom, the camera that will support projection equipment is installed on teaching instrument, the convenience is with small object magnification display, and project to the multimedia screen on, give the more audio-visual impression of student, the objective table is scalable design, can bear great object, and simple structure, the operation is got up simply easily to learn, mass production efficiency is higher, when necessary, also can place the biological sample of replacement on the objective table with books, enlarge and watch, multiple use combines together, more accord with diversified teaching theory. The middle school biology teaching instrument has the advantages of simple structure, flexible and convenient use, and convenient disassembly and storage.

Drawings

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

FIG. 2 is a schematic view of the movable clamp of the present invention;

fig. 3 is a top view of the wire clamp body of the present invention;

fig. 4 is a schematic structural view of the objective table of the present invention.

In the figure: the main upright post 1, the wire clamp main body 2, the boss 3, the rotating handle 4, the screw rod 5, the base 6, the data connecting wire 7, the camera 8, the cross rod 9, the movable clamp 10, the objective table 11, the screw hole 12, the wire clamp claw 13, the stop dog 14, the telescopic objective table 15 and the limiting block 16.

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.

Please refer to fig. 1, fig. 2 and fig. 4, fig. 1 is the structural schematic diagram of the present invention, fig. 2 is the structural schematic diagram of the movable clamp of the present invention, fig. 4 is the structural schematic diagram of the objective table of the present invention, a middle school biology teaching instrument, including the main column 1 and the movable clamp 10, the lower end of the main column 1 is detachably mounted in the threaded hole in the center of the base 6 through the screw thread, the bottom surface is pasted and installed with the non-slip mat under the base 6. The utility model discloses a line anchor clamps, including leading post 1, horizontal pole 9, camera 8, line anchor clamps main part 2, the central point of line anchor clamps main part 2 and activity anchor clamps 10 is vertical to be opened there is the round hole that the diameter is the same with leading post 1 diameter, the horizontal pole 9 that is perpendicular rather than the welding of 1 middle section upper left position of leading post installs, the camera 8 is installed to horizontal pole 9 upper mounting, the data connection line 7 has been inserted in camera 8's the jack, the cover is on leading post 1 for line anchor clamps main. The boss 3 with the head mast 1 integrated into one piece is installed to the top of the welding point position of cross-bar 9 and head mast 1, activity anchor clamps 10 cover is on the head mast 1, screw 12 has been opened to one side of activity anchor clamps 10, through engaged with screw thread demountable installation there is screw rod 5 in the screw 12, screw 12 internally opened has the screw thread that meshes with screw rod 5 surface mutually. The outer end of the screw rod 5 is welded with a rotating handle 4, and the surface of the rotating handle 4 is provided with anti-skid grains. The opposite side surface of the side surface provided with the screw hole 12 of the movable clamp 10 is provided with an objective table 11 in a welding mode, a telescopic objective table 15 is movably embedded in the objective table 11, and the length of the telescopic objective table 15 is two groups of the length of the telescopic objective table 11. The one end welding of flexible objective table 15 outside objective table 11 installs dog 14, the side edge position welding of flexible objective table 15 one end in objective table 11 installs stopper 16.

Referring to fig. 1 and 3, fig. 1 is a schematic structural diagram of the present invention, fig. 3 is a top view of a main body of the wire clamp of the present invention, the data connection wire 7 is clamped in the wire clamp claw 13, and the other end of the data connection wire 7 is inserted into the insertion hole of the projector. The tail end of the wire clamp claw 13 is welded and installed on the side surface of the wire clamp main body 2.

The working principle is as follows: when the biological sample clamp is used, a biological sample is placed on the objective table 11, when the sample is larger than the surface plane of the objective table 11, the stop block 14 is pinched to draw out the telescopic objective table 15, the camera 8 is erected on the cross support rod 9, the data connecting wire 7 is connected and clamped in the wire clamp claw 13 on the wire clamp main body 2, the rotating handle 4 is rotated, and the movable clamp 10 is adjusted to achieve the best display effect.

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 middle school biology teaching instrument, includes king-post (1) and activity anchor clamps (10), its characterized in that: the lower extreme of head mast (1) passes through screw thread demountable installation in the screw hole of base (6) central authorities, the welding of head mast (1) middle section upper position is installed rather than vertically cross-bar (9), cross-bar (9) are put on the shelf and are installed camera (8), data connecting wire (7) have been inserted in the jack of camera (8), data connecting wire (7) card is in line anchor clamps claw (13), the terminal welding installation of line anchor clamps claw (13) is in line anchor clamps main part (2) side, line anchor clamps main part (2) cover is on head mast (1), boss (3) with head mast (1) integrated into one piece are installed to the top of the welding point position of cross-bar (9) and head mast (1), activity anchor clamps (10) cover on head mast (1), screw (12) have been opened to one side of activity anchor clamps (10), screw rod (5) through the screw thread demountable installation of mutually meshing in screw (12), the outer end welded mounting of screw rod (5) has turning handle (4), the opposition side welded mounting who has the side of screw (12) is opened in activity anchor clamps (10) has objective table (11), flexible objective table (15) are installed to objective table (11) inside movable inlaying, flexible objective table (15) have dog (14) in the one end welded mounting in objective table (11) outside, stopper (16) are installed in the side edge position welded mounting of the inside one end of objective table (11) in flexible objective table (15).

2. A middle school biology teaching apparatus according to claim 1, wherein: and circular holes with the diameter the same as that of the main upright post (1) are vertically formed in the central positions of the wire clamp main body (2) and the movable clamp (10).

3. A middle school biology teaching apparatus according to claim 1, wherein: and threads meshed with the surface of the screw rod (5) are formed in the screw hole (12).

4. A middle school biology teaching apparatus according to claim 1, wherein: the anti-slip mat is adhered to the lower bottom surface of the base (6), and anti-slip lines are arranged on the surface of the rotating handle (4).

5. A middle school biology teaching apparatus according to claim 1, wherein: the sum of the lengths of the two groups of telescopic object stages (15) is equal to the length of the object stage (11).

6. A middle school biology teaching apparatus according to claim 1, wherein: the other end of the data connecting wire (7) is inserted into an insertion hole of the projector.