CN211604455U

CN211604455U - Demonstration board for foreign language teaching

Info

Publication number: CN211604455U
Application number: CN202020732979.2U
Authority: CN
Inventors: 庄庆涛
Original assignee: SHANDONG YOUTH UNIVERSITY OF POLITICAL SCIENCE
Current assignee: SHANDONG YOUTH UNIVERSITY OF POLITICAL SCIENCE
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-09-29
Anticipated expiration: 2030-05-07

Abstract

The utility model belongs to the technical field of the teaching aid, specifically be a demonstration board that foreign language teaching used, including base and extension board, the equal fixed mounting in top both sides of base has the extension board, and is two sets of have set up the demonstration board between the extension board, the fixed suit of demonstration board is in the pivot outer wall, the one end of pivot and the inner wall of extension board on base top right side rotate to be connected, the other end of pivot runs through the left extension board in base top and the first gear of fixedly connected with, the outer wall and the second gear meshing of first gear, the fixed suit of second gear is in the outer wall of minor axis, the one end of minor axis and the outer wall rotation of extension board are connected, the outer end fixedly connected with crank of minor axis. The utility model discloses a pulling spacing, then rotating the crank and making to drive second gear revolve to the first gear revolve of drive, and then drive demonstration board and rotate, make change angle and reverse side convenient and fast, moreover at quiescent condition, spacing through spacing, make spacing firm.

Description

Demonstration board for foreign language teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a demonstration board of foreign language teaching usefulness.

Background

Teaching demonstration board, for mobilizable blackboard, teaching demonstration board is at the in-process that uses, and the teacher writes on the demonstration board, writes the back, removes the demonstration board to the classroom, to classmate show and explanation knowledge point, at the in-process of explanation, the teacher can remove the demonstration board, makes things convenient for the classmate of different positions to watch.

Present demonstration board in use, angle modulation about unable going on to when ladder classroom uses, there is the unseen condition of reflection of light, and demonstration board utilizes the chalk to write simultaneously, cleans with the blackboard after using, and the dust is great, causes the injury to the human body easily. For this reason, new technical solutions need to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a demonstration board of foreign language teaching usefulness has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the demonstration board for foreign language teaching comprises a base and support boards, wherein the support boards are fixedly mounted on two sides of the top of the base, the demonstration board is arranged between the two support boards, the demonstration board is fixedly sleeved on the outer wall of a rotating shaft, one end of the rotating shaft is rotatably connected with the inner wall of the support board on the right side of the top of the base, the other end of the rotating shaft penetrates through the support board on the left side of the top of the base and is fixedly connected with a first gear, the outer wall of the first gear is meshed with a second gear, the second gear is fixedly sleeved on the outer wall of a short shaft, one end of the short shaft is rotatably connected with the outer wall of the support board, the outer end of the short shaft is fixedly connected with a crank, and;

the top of base is by left and right fixed mounting in proper order has framework, water tank and battery, the surperficial upside of demonstration board is installed and is violently managed, the bottom slope intercommunication of violently managing has the shower nozzle, the top fixed mounting of water tank has the liquid pump, the inlet of liquid pump passes through the pipe and pegs graft in water tank inner chamber bottom, base top right side extension board outer wall fixed mounting has the spacing ring, the liquid outlet of liquid pump and the one end intercommunication of hose, the other end of hose runs through the spacing ring and violently manages the intercommunication.

As an optimal implementation mode of the utility model, base top left side extension board outer wall has seted up spacing spout, the inner chamber of spacing spout is pegged graft and is had spacing slider, spacing slider's outer wall and spacing fixed connection, spacing slider's bottom is passed through the spring and is connected bottom the spacing spout inner chamber.

As a preferred embodiment of the utility model, the equal fixed mounting of preceding lateral wall upside and back lateral wall downside of demonstration board has first magnet strip, violently manage and be close to demonstration board a lateral wall fixedly connected with second magnet strip.

As a preferred embodiment of the present invention, the storage battery is electrically connected to the liquid pump.

As an optimized implementation mode of the utility model, the bottom four corners department of base is equal fixed mounting has the universal wheel of can fixing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a pulling spacing, then rotating the crank and making to drive second gear revolve to the first gear revolve of drive, and then drive demonstration board and rotate, make change angle and reverse side convenient and fast, moreover at quiescent condition, spacing through spacing, make spacing firm.

2. The utility model discloses a liquid pump can extract the clear water and spray water to the demonstration board surface to make and clean again after water smoke is sprayed on the demonstration board surface, thereby avoid appearing the condition of raise dust, and then avoid causing the injury to the human body.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of an overall structure of a demonstration board for foreign language teaching according to the present invention;

FIG. 2 is a schematic structural view of an outer wall of a left side supporting plate of a base of a demonstration board for foreign language teaching according to the present invention;

fig. 3 is a schematic diagram of a writing board structure of a demonstration board for foreign language teaching.

In the figure: 1. a base; 2. the universal wheel can be fixed; 3. a support plate; 4. a rotating shaft; 5. a demonstration board; 6. a frame body; 7. a water tank; 8. a liquid pump; 9. a hose; 10. a first gear; 11. a second gear; 12. a minor axis; 13. a crank; 14. a limiting strip; 15. a transverse tube; 16. a spray head; 17. a limiting ring; 18. a storage battery; 19. a limiting chute; 20. a limiting slide block; 21. a spring; 22. a first magnet bar; 23. a second magnet bar.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. To the ordinary technical personnel in this field, can understand the specific meaning in the utility model of above-mentioned term with the concrete condition, the utility model provides an electrical apparatus's model is the reference only, can be through changing different models electrical apparatus that the function is the same according to the actual use condition.

Referring to fig. 1-3, the present invention provides a technical solution: a demonstration board for foreign language teaching comprises a base 1 and support plates 3, wherein the support plates 3 are fixedly mounted on two sides of the top of the base 1, a demonstration board 5 is arranged between the two groups of support plates 3, the demonstration board 5 is fixedly sleeved on the outer wall of a rotating shaft 4, one end of the rotating shaft 4 is rotatably connected with the inner wall of the support plate 3 on the right side of the top of the base 1, the other end of the rotating shaft 4 penetrates through the support plate 3 on the left side of the top of the base 1 and is fixedly connected with a first gear 10, the outer wall of the first gear 10 is meshed with a second gear 11, the second gear 11 is fixedly sleeved on the outer wall of a short shaft 12, one end of the short shaft 12 is rotatably connected with the outer wall of the support plate 3, the outer end of the short shaft 12 is fixedly connected with a crank 13, and the;

base 1's top is by left and right fixed mounting in proper order has framework 6, water tank 7 and battery 18, demonstration board 5's surperficial upside is installed and is violently managed 15, the bottom slope intercommunication of violently managing 15 has shower nozzle 16, the top fixed mounting of water tank 7 has liquid pump 8, liquid pump 8's inlet passes through the pipe and pegs graft in 7 inner chambers of water tank bottom, 1 top right side extension board 3 outer wall fixed mounting of base has spacing ring 17, liquid pump 8's liquid outlet and hose 9's one end intercommunication, hose 9's the other end runs through spacing ring 17 and violently manages 15 intercommunication, as shown in figure 1 in this embodiment, and is concrete, transmits through the gear to make demonstration board 5 rotate and turn-over convenient can be swift, spacing firm simultaneously.

In this embodiment, referring to fig. 2, the outer wall of the left support plate 3 on the top of the base 1 is provided with a limiting sliding groove 19, an inner cavity of the limiting sliding groove 19 is inserted with a limiting sliding block 20, the outer wall of the limiting sliding block 20 is fixedly connected with the limiting strip 14, the bottom of the limiting sliding block 20 is connected with the bottom of the inner cavity of the limiting sliding groove 19 through a spring 21, specifically, the limiting sliding block 20 can be pushed to slide through the acting force of the spring 21, so that the limiting strip 14 is driven to limit the second gear 11, and the demonstration plate 5 is stable.

In this embodiment, referring to fig. 3, first magnet strips 22 are fixedly mounted on the upper side of the front side wall and the lower side of the rear side wall of the demonstration board 5, and a second magnet strip 23 is fixedly connected to the horizontal tube 15 close to one side wall of the demonstration board 5, specifically, the horizontal tube 15 is detachable, so that the demonstration board 5 can be turned over conveniently.

Referring to fig. 1, in this embodiment, the battery 18 is electrically connected to the liquid pump 8.

Referring to fig. 1 in the embodiment, fixable universal wheels 2 are fixedly mounted at four corners of the bottom of the base 1, and particularly, the device is convenient to move integrally through the fixable universal wheels 2.

It should be noted that the demonstration board for foreign language teaching of the present invention includes all the components known by the technicians in the field or the general standard components, the structure and principle of which are known by the technicians in the field through technical manuals or conventional experimental methods, in the idle place of the device, all the electrical components, which refer to the power components, the electrical components and the adaptive monitoring computer, are connected through wires, the specific connection means should refer to the following working principle, the electrical connection between the electrical components is completed in sequence, the detailed connection means is the known technology in the field, the following main introduces the working principle and process without describing the electrical control, when the demonstration board for foreign language teaching is used, the second gear 11 is firstly limited through the limit strip 14, the surface of the demonstration board 5 is written, then the device is moved to a designated position through the fixable universal wheel 2 for explaining the display diseases, in the using process, the limiting strips 14 are pulled, then the crank 13 is rotated to drive the second gear 11 to rotate, so that the first gear 10 is driven to rotate, so that the demonstration board 15 is driven to change the angle, so that the students can watch more clearly, the vision line is prevented from being influenced by reflection, after the device is adjusted to the designated position, the limiting strips 14 are loosened to limit the second gear 11, so that the device is stable, when the overturning needs to be carried out, the transverse tube 15 is pulled to separate the second magnet strip 23 from the first magnet strip 23, so that the transverse tube 15 is taken down, then the limiting strips 14 are pulled again to rotate the crank 13 so that the demonstration board 5 is overturned, then the limiting is carried out, then the transverse tube 15 is connected with the second magnet strip 23 on the back of the second demonstration board 5 for use, and when the use is finished, when demonstration board 5 need be cleaned, the water that starts in the 8 extraction water tanks of liquid pump 7 utilizes shower nozzle 16 to the 5 surface water sprays of demonstration board, then cleans and can reduce the dust again to reduce the injury of dust to the human body, the device simple structure, the operation of being convenient for, the practicality is strong.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a demonstration board that foreign language teaching was used, includes base (1) and extension board (3), its characterized in that: support plates (3) are fixedly mounted on two sides of the top of the base (1), a demonstration plate (5) is arranged between the two groups of support plates (3), the demonstration plate (5) is fixedly sleeved on the outer wall of a rotating shaft (4), one end of the rotating shaft (4) is rotatably connected with the inner wall of the support plate (3) on the right side of the top of the base (1), the other end of the rotating shaft (4) penetrates through the support plate (3) on the left side of the top of the base (1) and is fixedly connected with a first gear (10), the outer wall of the first gear (10) is meshed with a second gear (11), the second gear (11) is fixedly sleeved on the outer wall of a short shaft (12), one end of the short shaft (12) is rotatably connected with the outer wall of the support plate (3), a crank (13) is fixedly connected with the outer end of the short shaft (12), and a limiting strip (14) is clamped on;

the top of base (1) is by a left side and right side fixed mounting in proper order has framework (6), water tank (7) and battery (18), the surperficial upside of demonstration board (5) is installed and is violently managed (15), the bottom slope intercommunication of violently managing (15) has shower nozzle (16), the top fixed mounting of water tank (7) has liquid pump (8), the inlet of liquid pump (8) is pegged graft in water tank (7) inner chamber bottom through the pipe, base (1) top right side extension board (3) outer wall fixed mounting has spacing ring (17), the liquid outlet of liquid pump (8) and the one end intercommunication of hose (9), the other end of hose (9) runs through spacing ring (17) and violently manages (15) intercommunication.

2. A demonstration board for foreign language teaching according to claim 1 wherein: the outer wall of a left side support plate (3) at the top of the base (1) is provided with a limiting sliding groove (19), an inner cavity of the limiting sliding groove (19) is spliced with a limiting sliding block (20), the outer wall of the limiting sliding block (20) is fixedly connected with a limiting strip (14), and the bottom of the limiting sliding block (20) is connected with the bottom of the inner cavity of the limiting sliding groove (19) through a spring (21).

3. A demonstration board for foreign language teaching according to claim 1 wherein: the equal fixed mounting of preceding lateral wall upside and back lateral wall downside of demonstration board (5) has first magnet strip (22), violently manage (15) and be close to demonstration board (5) a lateral wall fixedly connected with second magnet strip (23).

4. A demonstration board for foreign language teaching according to claim 1 wherein: the storage battery (18) is electrically connected with the liquid pump (8).

5. A demonstration board for foreign language teaching according to claim 1 wherein: the bottom four corners of the base (1) are fixedly provided with fixable universal wheels (2).