CN211044672U

CN211044672U - Teaching aid for geography teaching

Info

Publication number: CN211044672U
Application number: CN201922183682.5U
Authority: CN
Inventors: 王永春
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-17
Anticipated expiration: 2029-12-09

Abstract

The utility model belongs to the technical field of teaching aids, in particular to a teaching aid for geography teaching, which comprises a base, a telescopic column is fixedly arranged at the top side of the base, a first transverse plate is fixedly arranged at the top end of the telescopic column, a second transverse plate is arranged above the first transverse plate in parallel, a third transverse plate is arranged above the second transverse plate in parallel, two first connecting rods are rotatably arranged on one side of the first transverse plate, and two head rods are located the both sides of flexible post respectively, and the top of two head rods is all rotated and is installed on one side of second diaphragm, and the top of two head rods is all rotated and has been cup jointed the one end of second connecting rod, and the other end of two second connecting rods all rotates and installs on one side of third diaphragm, the utility model discloses can be convenient for simple convenient firm expansion second diaphragm and third diaphragm, the use of accomodating of the teaching aid of being convenient for.

Description

Teaching aid for geography teaching

Technical Field

The utility model relates to a teaching aid technical field especially relates to a teaching aid of geography teaching usefulness.

Background

The map is often used in the process of geography teaching, and the map is used for showing and explaining all places, so that the intuition and the vividness of a classroom are improved. In the existing map used in the geography teaching process, the map is usually directly printed on paper during teaching, and the paper is hung on a blackboard for explanation, but the explanation is inconvenient to use;

the utility model discloses a teaching aid for geography teaching is disclosed to 201721859411.1, including the bracing piece of vertical setting and the operation panel that is connected with the bracing piece, the bracing piece top is rotated and is equipped with the show board, the bracing piece bottom is established the supporting seat, be equipped with the battery on the supporting seat, the show board openly is equipped with the show paper of printing with the printing opacity material of china map, every province on show board and the chinese map, every direct administration city, every autonomous region and every position that each special administrative district corresponds all are equipped with L ED lamp, L ED lamp is located the show paper inboard, the battery supplies power for L ED lamp, it has the switch all to establish ties between each L ED lamp and the battery, each switch distributes on the operation panel, the show board back is equipped with flexible solar panel, solar panel supplies power for the battery, the utility model discloses simple structure makes the teacher can conveniently carry out the explanation of each position in china, and conveniently with this position on the map, and then make teacher's lecture process more lively, the student combines the explanation of map and the teacher is easier to remember the content of lecture, improves the teaching aid, however, this teaching aid is convenient to be accomodate in the operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a teaching aid for geography teaching.

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

the utility model provides a teaching aid of geography teaching usefulness, the on-line screen storage device comprises a base, the top side fixed mounting of base has flexible post, and the top fixed mounting of flexible post has first diaphragm, the top parallel arrangement of first diaphragm has the second diaphragm, and the top parallel arrangement of second diaphragm has the third diaphragm, rotate on one side of first diaphragm and install two head rods, and two head rods are located the both sides of flexible post respectively, and the top of two head rods all rotates and installs on one side of second diaphragm, and the top of two head rods all rotates the one end of having cup jointed the second connecting rod, and the other end of two second connecting rods all rotates and installs on one side of third diaphragm.

Preferably, the bottom end of any one of the first connecting rods is rotated to be sleeved with one end of the diagonal rod, the other end of the diagonal rod is rotated to be installed with the rotating shaft, the rotating shaft is rotated to be sleeved with one end of the short rod, the other end of the short rod is rotated to be installed on one side of the third transverse plate, and the short rod is located between the two second connecting rods.

Preferably, the rotating shaft is rotatably sleeved with one end of a long rod, and the other end of the long rod is rotatably sleeved on the top end of a first connecting rod close to the rotating shaft.

Preferably, the second diaphragm is close to one of stock and serves and seted up movable recess along the horizontal direction, and slidable mounting has the movable block in the activity recess, and outside one side of movable block extended to the activity recess, and fixed mounting has the one end of torsional spring, and the other end fixed mounting of torsional spring has the gag lever post, gag lever post and activity recess looks adaptation, and one side fixed mounting that the gag lever post is close to first diaphragm has the fixture block, and the draw-in groove under being located the activity recess is seted up to the one end of first diaphragm, and fixture block and draw-in groove looks adaptation.

Preferably, a sliding groove is formed in the inner wall of the bottom side of the movable groove, a sliding block is slidably mounted in the sliding groove, the top side of the sliding block is fixedly connected with the bottom side of the movable block, one end of a spring is fixedly mounted on the inner wall of the movable groove, and the other end of the spring is fixedly mounted on the movable block.

In the utility model, the teaching aid for geography teaching is provided with the base, the telescopic column, the first transverse plate, the second transverse plate and the third transverse plate, so that the first transverse plate, the second transverse plate and the third transverse plate can be conveniently folded, and the teaching aid can be conveniently stored;

the first connecting rod, the second connecting rod, the inclined rod, the rotating shaft, the short rod, the long rod, the limiting rod, the clamping block, the clamping groove, the movable groove, the spring, the movable block, the sliding groove, the sliding block and the torsional spring are arranged, so that the third transverse plate is lifted upwards and is driven to move upwards through the second connecting rod, meanwhile, the second transverse plate rotates on the basis of the first transverse plate through the first connecting rod, the third transverse plate enables the connecting structure of the second transverse plate and the third transverse plate to be stable through the inclined rod, the rotating shaft, the short rod and the long rod, after the second transverse plate and the third transverse plate are unfolded, the limiting rod is pulled, the limiting rod drives the movable block to slide in the movable groove, the spring is stretched, the limiting rod moves out of the movable groove, the clamping block is driven to be clamped into the clamping groove under the action of the torsional spring, and the positions of the second transverse plate and the;

the utility model discloses can be convenient for simple and convenient firm expansion second diaphragm and third diaphragm, the use of accomodating of the teaching aid of being convenient for.

Drawings

Fig. 1 is a schematic structural view of a teaching aid for geography teaching according to the present invention;

fig. 2 is a schematic view of a connection structure of a second transverse plate and a limiting rod of the teaching aid for geography teaching provided by the utility model;

fig. 3 is the utility model provides a part A schematic structure of teaching aid that geography teaching was used.

In the figure: 1 base, 2 flexible posts, 3 first diaphragm, 4 second diaphragms, 5 third diaphragms, 6 head rod, 7 second connecting rods, 8 down tube, 9 pivot, 10 quarter butts, 11 stock, 12 gag lever posts, 13 fixture blocks, 14 draw-in grooves, 15 activity recesses, 16 springs, 17 movable block, 18 sliding tray, 19 sliding blocks, 20 torsional springs.

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.

Example one

Referring to fig. 1-3, a teaching aid for geography teaching, which comprises a base 1, a telescopic column 2 is fixedly mounted on the top side of the base 1, the telescopic column 2 is an existing common adjustable telescopic rod, a first transverse plate 3 is fixedly mounted on the top end of the telescopic column 2, a second transverse plate 4 is arranged in parallel above the first transverse plate 3, a third transverse plate 5 is arranged in parallel above the second transverse plate 4, two first connecting rods 6 are rotatably mounted on one side of the first transverse plate 3, the two first connecting rods 6 are respectively positioned on two sides of the telescopic column 2, the top ends of the two first connecting rods 6 are rotatably mounted on one side of the second transverse plate 4, one ends of the two first connecting rods 6 are rotatably sleeved with the second connecting rods 7, the other ends of the two second connecting rods 7 are rotatably mounted on one side of the third transverse plate 5, and the base 1, the telescopic column 2, the first transverse plate 3, the base 1, the

telescopic column

2, 4 second diaphragm, 5 third diaphragm, consequently, be convenient for fold first diaphragm 3, second diaphragm 4 and third diaphragm 5, the storage of the teaching aid of being convenient for.

In the utility model, one end of the diagonal rod 8 is rotatably sleeved on the bottom end of any one first connecting rod 6, a rotating shaft 9 is rotatably installed on the other end of the diagonal rod 8, one end of the short rod 10 is rotatably sleeved on the rotating shaft 9, the other end of the short rod 10 is rotatably installed on one side of the third transverse plate 5, the short rod 10 is positioned between two second connecting rods 7, one end of a long rod 11 is rotatably sleeved on the rotating shaft 9, the other end of the long rod 11 is rotatably sleeved on the top end of one first connecting rod 6 close to the rotating shaft 9, a movable groove 15 is horizontally arranged on one end of the second transverse plate 4 close to the long rod 11, a movable block 17 is slidably installed in the movable groove 15, one side of the movable block 17 extends out of the movable groove 15 and is fixedly provided with one end of a torsion spring 20, a limiting rod 12 is fixedly installed at the other end of the torsion spring 20, the limiting rod 12, a clamping block 13 is fixedly arranged on one side of the limiting rod 12 close to the first transverse plate 3, a clamping groove 14 positioned right below the movable groove 15 is arranged at one end of the first transverse plate 3, the clamping block 13 is matched with the clamping groove 14, a sliding groove 18 is arranged on the inner wall of the bottom side of the movable groove 15, a sliding block 19 is arranged in the sliding groove 18, the top side of the sliding block 19 is fixedly connected with the bottom side of the movable block 17, one end of a spring 16 is fixedly arranged on the inner wall of the movable groove 15, the other end of the spring 16 is fixedly arranged on the movable block 17, the third transverse plate 5 is lifted upwards, the third transverse plate 5 drives the second transverse plate 4 to move upwards through a second connecting rod 7, meanwhile, the second transverse plate 4 rotates based on the first transverse plate 3 through a first connecting rod 6, and the third transverse plate 5 enables the connecting structure of the second transverse plate 4 and the third transverse plate 5 to be stable, after the second transverse plate 4 and the third transverse plate 5 are unfolded, the limiting rod 12 is pulled, the limiting rod 12 drives the movable block 17 to slide in the movable groove 15, the limiting rod 12 is pulled out of the movable groove 15, the torsion spring 20 drives the clamping block 13 to be clamped into the clamping groove 14 under the action of the torsion spring, and the second transverse plate 4 and the third transverse plate 5 can be conveniently and stably located on the basis of the first transverse plate 3.

Example two

Referring to fig. 1-3, a teaching aid that geography teaching was used, including base 1, the top side fixed welding of base 1 has flexible post 2, the top fixed welding of flexible post 2 has first diaphragm 3, the top parallel arrangement of first diaphragm 3 has second diaphragm 4, the top parallel arrangement of second diaphragm 4 has third diaphragm 5, rotate on one side of first diaphragm 3 and install two head rods 6, and two head rods 6 are located the both sides of flexible post 2 respectively, the top of two head rods 6 is all rotated and is installed on one side of second diaphragm 4, the top of two head rods 6 is all rotated and is cup jointed the one end of second connecting rod 7, the other end of two second connecting rods 7 is all rotated and is installed on one side of third diaphragm 5.

The utility model discloses in, the one end that has cup jointed down tube 8 is rotated to the bottom of arbitrary one head rod 6, and the other end of down tube 8 rotates and installs pivot 9, rotates the one end that has cup jointed quarter butt 10 in the pivot 9, and the other end of quarter butt 10 rotates and installs on one side of third diaphragm 5, and quarter butt 10 is located between two second connecting rods 7.

The utility model discloses in, rotate the one end that has cup jointed stock 11 in pivot 9, stock 11's the other end rotates and cup joints on the top of a head rod 6 that is close to pivot 9.

The utility model discloses in, second diaphragm 4 is close to one of stock 11 and serves and has seted up movable recess 15 along the horizontal direction, slidable mounting has movable block 17 in the activity recess 15, one side of movable block 17 extends to outside the activity recess 15, and fixed welding has the one end of torsional spring 20, the fixed welding of the other end of torsional spring 20 has gag lever post 12, gag lever post 12 and the 15 looks adaptations of activity recess, one side fixed welding that gag lever post 12 is close to first diaphragm 3 has fixture block 13, draw-in groove 14 that is located under the activity recess 15 is seted up to the one end of first diaphragm 3, and fixture block 13 and draw-in groove 14 looks adaptations, fixture block 13 and draw-in groove 14's cooperation, be convenient for stabilize second diaphragm 4's position, third diaphragm 5 passes through down tube 8, the rotating shaft 9, quarter butt 10, stock 11 can stabilize its structure.

The utility model discloses in, the sliding tray 18 has been seted up on the bottom side inner wall of activity recess 15, and slidable mounting has sliding block 19 in the sliding tray 18, sliding block 19's top side and the bottom side fixed connection of movable block 17, and fixed welding has the one end of spring 16 on the 15 inner walls of activity recess, and the fixed welding of the other end of spring 16 is on movable block 17, and spring 16 is convenient for stabilize movable block 17 and gag lever post 12 in activity recess 15.

The utility model discloses in, the theory of operation, upwards mention third diaphragm 5, third diaphragm 5 drives second diaphragm 4 rebound through second connecting rod 7, and simultaneously, second diaphragm 4 rotates based on first diaphragm 3 through head rod 6, and third diaphragm 5 passes through down tube 8, and a rotating shaft 9, quarter butt 10, stock 11 makes the connection structure of second diaphragm 4 and third diaphragm 5 firm, after second diaphragm 4 and third diaphragm 5 expand, pulling gag lever post 12, gag lever post 12 drives movable block 17 and slides in activity recess 15, and extension spring 16, gag lever post 12 shifts out activity recess 15, it goes into draw-in groove 14 to drive fixture block 13 card under torsional spring 20's the effect, can be convenient for stabilize second diaphragm 4 and third diaphragm 5 based on the position of first diaphragm 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A teaching aid for geography teaching comprises a base (1) and is characterized in that a telescopic column (2) is fixedly installed on the top side of the base (1), a first transverse plate (3) is fixedly installed at the top end of the telescopic column (2), a second transverse plate (4) is arranged above the first transverse plate (3) in parallel, a third transverse plate (5) is arranged above the second transverse plate (4) in parallel, two first connecting rods (6) are rotatably arranged on one side of the first transverse plate (3), and two head rods (6) are respectively located the both sides of flexible post (2), and the top of two head rods (6) all rotates and installs on one side of second diaphragm (4), and the top of two head rods (6) all rotates the one end that has cup jointed second connecting rod (7), and the other end of two second connecting rod (7) all rotates and installs on one side of third diaphragm (5).

2. A geography teaching aid according to claim 1, wherein one end of a diagonal rod (8) is rotatably sleeved at the bottom end of any one first connecting rod (6), a rotating shaft (9) is rotatably installed at the other end of the diagonal rod (8), one end of a short rod (10) is rotatably sleeved on the rotating shaft (9), the other end of the short rod (10) is rotatably installed on one side of a third transverse plate (5), and the short rod (10) is located between two second connecting rods (7).

3. A geography teaching aid according to claim 2, wherein one end of the long rod (11) is rotatably sleeved on the rotating shaft (9), and the other end of the long rod (11) is rotatably sleeved on the top end of a first connecting rod (6) close to the rotating shaft (9).

4. The teaching aid of claim 1, characterized in that, one end of the second transverse plate (4) close to the long rod (11) is provided with a movable groove (15) along the horizontal direction, a movable block (17) is slidably mounted in the movable groove (15), one side of the movable block (17) extends out of the movable groove (15), and one end of a torsion spring (20) is fixedly mounted, the other end of the torsion spring (20) is fixedly mounted with a limiting rod (12), the limiting rod (12) is matched with the movable groove (15), one side of the limiting rod (12) close to the first transverse plate (3) is fixedly mounted with a clamping block (13), one end of the first transverse plate (3) is provided with a clamping groove (14) under the movable groove (15), and the clamping block (13) is matched with the clamping groove (14).

5. A geography teaching aid according to claim 4, wherein a sliding groove (18) is formed in the inner wall of the bottom side of the movable groove (15), a sliding block (19) is slidably mounted in the sliding groove (18), the top side of the sliding block (19) is fixedly connected with the bottom side of the movable block (17), one end of a spring (16) is fixedly mounted on the inner wall of the movable groove (15), and the other end of the spring (16) is fixedly mounted on the movable block (17).