CN210777343U

CN210777343U - Junior middle school mathematics display device that imparts knowledge to students

Info

Publication number: CN210777343U
Application number: CN201921325941.7U
Authority: CN
Inventors: 张凤芹; 张令全
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-06-16
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to a teaching aid technical field just discloses a junior middle school mathematics teaching display device, which comprises a body, the flexible post of bottom fixedly connected with of body, the bottom of flexible post is known to be connected with a supporting bench, the inside of body is equipped with the receiver, the outside swing joint of receiver has the dodge gate, the dodge gate is located the back of body. This junior middle school mathematics teaching display device, through flexible post and brace table, can place the device subaerial and adjust the device's height wantonly, make the device satisfy the demand of using, through the draw-in groove joint on door handle and the fixed column, can fix the dodge gate in the outside of receiver, the door handle separates with the fixed column, the pulling door handle can be opened the dodge gate, through the fixed slot joint of fixed block rather than looks adaptation, can be fixed dwang one, the dwang can not take place to rotate, write cloth and be fixed.

Description

Junior middle school mathematics display device that imparts knowledge to students

Technical Field

The utility model relates to a teaching aid technical field specifically is a junior middle school mathematics teaching display device.

Background

In the plane geometry figure teaching process of junior high school mathematics, when involving some, straight line and polygonal teaching content, the figure is comparatively complicated, needs the teacher of giving lessons to spend more time and draws, explains in the classroom, in order to save classroom time, generally all can write the content of giving lessons on little blackboard under the class, hangs little blackboard and explains on the classroom blackboard.

The small blackboard still has the following problems in the use process of the teaching of the plane geometric figure of junior middle school mathematics: the plane geometric figure often has information such as angle, length and the like, the figure is drawn on a small blackboard, and information such as related theorems, formulas and the like is written on the small blackboard, the existing small blackboard has small area and cannot bear the information amount of classroom teaching, the small blackboard can only be fixedly hung at the top of the blackboard of the classroom, and students on two sides and the back row of the classroom cannot clearly see the content recorded on the small blackboard, so that the classroom teaching quality is influenced; when a teacher goes on a class, one hand needs to carry the small blackboard, the other hand needs to carry teaching materials such as textbooks and lectures, and when the textbooks and the lectures are carried together, the teaching materials are not easy to carry by hand, so that the burden of the teacher is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to current teaching aid, the utility model provides a junior middle school mathematics teaching display device possesses can remove at will, according to actual demand height-adjusting, portable and write the many advantages of content, has solved the problem that proposes among the above-mentioned background.

The utility model provides a following technical scheme: the junior high school mathematics teaching display device comprises a body, wherein a telescopic column is fixedly connected to the bottom of the body, a supporting table is connected to the bottom of the telescopic column in a known mode, a storage box is arranged inside the body, a movable door is movably connected to the outer side of the storage box and located on the back of the body, a door handle is movably connected to the top of the outer side of the movable door, a fixed column is fixedly connected to the top of the back of the body, a clamping groove is formed in the upper surface of the fixed column, the door handle can be clamped with the clamping groove in the fixed column, a sundry box is fixedly connected to one side of the front bottom end of the body, and openings.

Preferably, the outer side of the bottom of the inner cavity of the storage box is fixedly connected with one end of the hinge, the other end of the hinge is fixedly connected with the inner side of the movable door, the storage box is movably connected with the movable door through the hinge, and the number of the hinges is two.

Preferably, the material of receiver inner wall is iron, fixedly connected with teaching tool on the inner wall of receiver, teaching tool's bottom is equipped with magnet, teaching tool's top material is iron.

Preferably, the teaching tool comprises a ruler, a right triangle, an equilateral triangle, an isosceles triangle, a protractor, an arc line, a coordinate axis and compasses.

Preferably, the bottom swing joint of body left side wall inner chamber has dwang one, the top of dwang one runs through and extends to the top of body and dwang one with the top swing joint of body, the top swing joint of dwang one has the fixed block, the top of body is equipped with the fixed slot with fixed block looks adaptation, the inner chamber swing joint of body right side wall has dwang two, the even body swing joint in both ends of dwang two, the equal fixedly connected with torsional spring in outer lane of dwang one and dwang two, the outer lane of torsional spring and the one end fixed connection who writes cloth just write cloth winding on the torsional spring, the other end that writes cloth passes opening and another torsional spring fixed connection and winding on another torsional spring.

With the contrast of current teaching aid, the utility model discloses possess following beneficial effect:

1. this junior middle school mathematics teaching display device, through flexible post and brace table, can place the device subaerial and adjust the device's height wantonly, make the device satisfy the demand of using, through the draw-in groove joint on door handle and the fixed column, can fix the dodge gate in the outside of receiver, the door handle separates with the fixed column, the pulling door handle can be opened the dodge gate, through the fixed slot joint of fixed block rather than looks adaptation, can be fixed dwang one, the dwang can not take place to rotate, write cloth and be fixed.

2. This junior high school mathematics teaching display device, cooperation through dwang one and torsional spring is used, can change the length of the winding cloth of writing on the torsional spring, the cloth of writing that demonstrates on the positive window of body changes, the teacher can use the device to continue to give lessons, when rotating dwang one, when winding cloth length of writing on the dwang one reduces, the pulling force that the torsional spring on the dwang two produced makes to write cloth and twines on the torsional spring again, when rotating dwang one, winding cloth length of writing on the dwang one increases, the length of writing cloth on the torsional spring on the dwang two reduces and the torsional spring produces a pulling force, the fixed block is fixed dwang one, the position of writing cloth can not take place to change.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a back view of the structure of FIG. 1;

FIG. 3 is a schematic view of the inside of the storage box according to the present invention;

fig. 4 is a schematic view of the structure of the rotating rod of the present invention.

In the figure: 1. a body; 2. a telescopic column; 3. a support table; 4. a sundry box; 5. writing cloth; 6. rotating the first rod; 7. a storage box; 8. a movable door; 9. fixing a column; 10. a door handle; 11. a hinge; 12. a right triangle; 13. a protractor; 14. an equilateral triangle; 15. coordinate axes; 16. an arc line; 17. compasses; 18. a straightedge; 19. a torsion spring; 20. rotating the second rod; 21. an opening; 22. a teaching tool; 23. an isosceles triangle; 24. and (5) fixing blocks.

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.

Referring to fig. 1-4, a junior middle school mathematics teaching display device comprises a body 1, a telescopic column 2 is fixedly connected to the bottom of the body 1, the height of the teaching display device can be adjusted according to actual requirements through the telescopic column 2 to meet different use requirements, a supporting table 3 is connected to the bottom of the telescopic column 2, the teaching display device can be supported through the supporting table 3, the teaching display device can be placed on the ground, a storage box 7 is arranged inside the body 1, a movable door 8 is movably connected to the outer side of the storage box 7, the movable door 8 is positioned on the back of the body 1, a door handle 10 is movably connected to the top of the outer side of the movable door 8, a fixed column 9 is fixedly connected to the top of the back of the body 1, a clamping groove is arranged on the upper surface of the fixed column 9, the door handle 10 can be clamped with the clamping groove on the fixed, can fix dodge gate 8 in the outside of receiver 7, door handle 10 and the separation of fixed column 9, pulling door handle 10 can open dodge gate 8, and one side fixedly connected with debris box 4 of the positive bottom of body 1 through debris box 4, can place the little thing of pen class, and little thing is difficult for losing, deposits conveniently, and opening 21 has all been seted up to the inboard of 1 both sides wall of body.

Wherein, the outside of 7 inner chambers bottoms of receiver and the one end fixed connection of hinge 11, the other end of hinge 11 in the inboard fixed connection of dodge gate 8, receiver 7 and dodge gate 8 pass through hinge 11 swing joint, and the number of hinge 11 is two.

Wherein, the material of 7 inner walls of receiver is iron, fixedly connected with teaching tool 22 on 7's the inner wall of receiver, teaching tool 22's bottom is equipped with magnet, teaching tool 22's top material is iron, it is iron to be equipped with magnet and top material through teaching tool 22 bottom, can fix teaching tool 22 in receiver 7, when teaching the demonstration, different teaching tool models can be fixed together, the teacher of being convenient for imparts knowledge to students.

The teaching tool 22 comprises a ruler 18, a right triangle 12, an equilateral triangle 14, an isosceles triangle 23, a protractor 13, an arc line 16, a coordinate axis 15 and compasses 17.

Wherein, the bottom of the inner cavity of the left side wall of the body 1 is movably connected with a first rotating rod 6, the top of the first rotating rod 6 penetrates and extends to the upper part of the body 1, the first rotating rod 6 is movably connected with the top of the body 1, the top end of the first rotating rod 6 is movably connected with a fixed block 24, the top of the body 1 is provided with a fixed groove matched with the fixed block 24, the first rotating rod 6 can be fixed by clamping the fixed block 24 with the fixed groove matched with the fixed block, the first rotating rod 6 can not rotate, the writing cloth 5 is fixed, the inner cavity of the right side wall of the body 1 is movably connected with a second rotating rod 20, the two ends of the second rotating rod 20 are uniformly and movably connected with the body 1, the outer rings of the first rotating rod 6 and the second rotating rod 20 are both fixedly connected with a torsional spring 19, the outer ring of the torsional spring 19 is fixedly connected with one end of the writing cloth 5, through dwang one 6 and 19 cooperation use of torsional spring, can change the length of the winding cloth 5 of writing on the torsional spring 19, the cloth 5 of writing that demonstrates changes on the window of body 1 front, the teacher can use the device to continue to give lessons, when rotating dwang one 6, when the winding cloth 5 length of writing on the dwang one 6 reduces, the pulling force that the torsional spring 19 on the dwang two 20 produced makes and writes cloth 5 and twine on torsional spring 19 again, when rotating dwang one 6, when the winding cloth 5 length of writing increases on the dwang one 6, the length of writing cloth 5 on the torsional spring 19 on the dwang two 20 reduces and torsional spring 19 produces a pulling force, fixed block 24 is fixed dwang one 6, the position of writing cloth 5 can not change.

The working principle is as follows: during the use, place the device with brace table 3 subaerial, adjust the length of flexible post 2, make the device highly accord with the demand, the teacher writes on writing cloth 5, rotate dwang 6, can roll up writing cloth 5 after writing, it can supply the teacher to write to expose new writing cloth 5, the word of writing on writing cloth 5 can be wiped off, the life of extension device, door handle 10 and fixed column 9 separation, pulling door handle 10, can open dodge gate 8, the teacher can take out teaching tool 22 in the receiver 7 and carry out the teaching activity.

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 junior middle school mathematics teaching display device, includes body (1), its characterized in that: the bottom of the body (1) is fixedly connected with a telescopic column (2), the bottom of the telescopic column (2) is known to be connected with a support table (3), a storage box (7) is arranged inside the body (1), the outer side of the storage box (7) is movably connected with a movable door (8), the movable door (8) is located on the back face of the body (1), the outer side top of the movable door (8) is movably connected with a door handle (10), the top of the back face of the body (1) is fixedly connected with a fixed column (9), the upper surface of the fixed column (9) is provided with a clamping groove, the door handle (10) can be clamped with the clamping groove in the fixed column (9), one side of the front bottom end of the body (1) is fixedly connected with a sundry box (4), and openings (21) are formed in the.

2. The junior middle school mathematics teaching display device of claim 1, characterized in that: the outer side of the bottom of the inner cavity of the storage box (7) is fixedly connected with one end of the hinge (11), the other end of the hinge (11) is fixedly connected with the inner side of the movable door (8), the storage box (7) is movably connected with the movable door (8) through the hinge (11), and the number of the hinges (11) is two.

3. The junior middle school mathematics teaching display device of claim 1, characterized in that: the material of receiver (7) inner wall is iron, fixedly connected with teaching tool (22) on the inner wall of receiver (7), the bottom of teaching tool (22) is equipped with magnet, the top material of teaching tool (22) is iron.

4. A junior middle school mathematics teaching display device according to claim 3, characterized in that: the teaching tool (22) comprises a ruler (18), a right triangle (12), an equilateral triangle (14), an isosceles triangle (23), a protractor (13), an arc line (16), a coordinate axis (15) and compasses (17).

5. The junior middle school mathematics teaching display device of claim 1, characterized in that: body (1) left side wall inner chamber's bottom swing joint has dwang one (6), the top of dwang one (6) runs through and extends to the top of body (1) and the top swing joint of dwang one (6) and body (1), the top swing joint of dwang one (6) has fixed block (24), the top of body (1) is equipped with the fixed slot with fixed block (24) looks adaptation, the inner chamber swing joint of body (1) right side wall has dwang two (20), the even body (1) swing joint in both ends of dwang two (20), the equal fixedly connected with torsional spring (19) in outer lane of dwang one (6) and dwang two (20), the outer lane of torsional spring (19) and the one end fixed connection of writing cloth (5) just write cloth (5) winding on torsional spring (19), the other end of writing cloth (5) passes opening (21) and twines at another torsional spring (19) fixed connection and another winding A torsion spring (19).