CN211827787U - A kind of convenient mobile higher mathematics differential teaching appliance - Google Patents

Abstract

The utility model discloses a teaching appliance for advanced mathematics and differentiation, which is easy to move. The upper end of the telescopic rod is installed with a fixed plate through a bearing, the lower end of the telescopic rod is sleeved with a rotating sleeve, and the rotating sleeve is provided with a fixing bolt, the side of the rotating sleeve is hinged with a telescopic frame, and the upper end of the telescopic frame is hinged on the fixed plate. the underside. The utility model is provided with a base with a universal wheel, and the universal wheel is provided with a braking mechanism, so that the device is easy to move to meet the teaching needs, and by setting a fixed plate with a rotating and telescopic structure, students can obtain the maximum viewing angle. Learning, by setting the iron plate coordinate axis, with the thin line with magnets, the differentiation can be displayed more intuitively.

Description

A kind of convenient mobile higher mathematics differential teaching appliance

technical field

The utility model relates to the field of teaching appliances, in particular to a teaching appliance that is convenient for moving higher mathematics differential.

Background technique

Advanced mathematics is very important for most students, and because many concepts in advanced mathematics are very abstract, it is difficult for students to simply rely on teachers to explain, especially in advanced mathematics, surfaces are the main part of differential geometry research. One of the objects is basically relying on teachers to teach on the blackboard, which is very difficult for students to understand and boring. Therefore, in response to the above problems, a mobile advanced mathematics differential teaching appliance is proposed.

Utility model content

The purpose of this utility model is to provide a kind of easy to move higher mathematics differential teaching appliance, to solve the problem that the current differential teaching proposed by the above-mentioned background technology is basically written on the blackboard by the teacher, the concept is abstract, the teaching is boring, and the students are difficult to understand.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a kind of teaching appliance that is easy to move higher mathematics differential, including a base, four sets of universal wheels are fixedly installed on the lower side of the base, and the middle part of the upper side of the base is fixed. A telescopic rod is welded, and the upper end of the telescopic rod is installed with a fixing plate through a bearing, the lower end of the telescopic rod is sleeved with a rotating sleeve, and the rotating sleeve is provided with a fixing bolt, the side of the rotating sleeve is hinged with a telescopic frame, and The upper end of the telescopic frame is hinged on the lower side of the fixed plate, the right end of the front side of the fixed plate is embedded with an iron plate, and the iron plate is electrically engraved with a coordinate axis, the iron plate is adsorbed with a magnet, and the magnet is fixed on the magnet. There are thin lines, a small whiteboard is arranged on the left side of the fixing plate, a placing plate is fixedly installed on the front end of the lower side of the small whiteboard, and a placing cavity is opened on the placing plate, and a large whiteboard is arranged on the back side of the fixing plate.

Preferably, the lower middle part of the fixing plate is connected with the telescopic rod through a bearing, and the fixing plate is arranged in a rotating structure through the bearing.

Preferably, there are two sets of telescopic frames, and the upper ends of the two sets of telescopic frames are hinged on the left and right ends of the lower side of the fixed plate respectively, and the lower ends of the two sets of telescopic frames are hinged on the left and right sides of the swivel sleeve, respectively. The fixed plate is set as a lifting structure through a telescopic frame and a telescopic rod.

Preferably, the fixing plate is provided with a groove, and the inner dimension of the groove is the same as the outer dimension of the iron plate, and the iron plate and the fixing plate are in an embedded connection structure.

Preferably, magnets are equidistantly attached to the thin wire.

Preferably, there are four groups of the placement cavities in total, and the placement cavities are all set on the placement plate.

Compared with the prior art, the beneficial effect of the present utility model is that: the higher mathematics differential teaching appliance is convenient to move. Meet the teaching needs; by setting the fixed plate of the rotating and telescopic structure, the device can be displayed in various aspects during the teaching process, so that students can learn from the maximum viewing angle; by setting the iron plate coordinate axis, with the magnet Line, so that the differentiation can be displayed more intuitively, at the same time, it can also encourage students to do the differentiation operation on the thin line, improve the teaching effect, and improve the fun of teaching; improve the setting of the placement board and placement cavity, so as to facilitate the whiteboard Erasers and whiteboard pens are stored to prevent the loss of the whiteboard or whiteboard pens.

Description of drawings

Fig. 1 is the structural front view schematic diagram of the present utility model;

Fig. 2 is the structural back view schematic diagram of the present utility model;

3 is a schematic side view of the structure of the present invention.

In the picture: 1. Base; 2. Universal wheel; 3. Telescopic rod; 4. Bearing; 5. Fixed plate; 6. Turning sleeve; 7. Fixed bolt; 8. Telescopic frame; 9. Iron plate; 10. Coordinates Axis; 11. Magnetite; 12. Thin wire; 13. Small whiteboard; 14. Placing plate; 15. Placing cavity; 16. Large whiteboard.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3 , an embodiment provided by the present invention: an apparatus for teaching differential and advanced mathematics that is easy to move, including a base 1, and four sets of universal wheels 2 are fixedly installed on the lower side of the base 1. Four sets of universal wheels 2 The wheel 2 is a universal wheel 2 with a braking mechanism. A telescopic rod 3 is fixedly welded on the middle part of the upper side of the base 1, and the upper end of the telescopic rod 3 is installed with a fixed plate 5 through a bearing 4. The telescopic rod 3 consists of a plug rod, a sleeve rod It consists of a fixing screw, the plug rod is inserted into the sleeve rod, and the sleeve rod is provided with a fixing screw, wherein the plug rod is connected with the fixing plate 5, the sleeve rod is fixedly installed on the base 1, and the lower end of the telescopic rod 3 is sleeved There is a swivel sleeve 6, and the swivel sleeve 6 is provided with a fixing bolt 7, the side of the swivel sleeve 6 is hinged with a telescopic frame 8, and the upper end of the telescopic frame 8 is hinged on the lower side of the fixed plate 5. The middle part of the lower side is connected with the telescopic rod 3 through the bearing 4. The fixed plate 5 is set to a rotating structure through the bearing 4. There are two groups of telescopic frames 8, and the upper ends of the two sets of telescopic frames 8 are hinged under the fixed plate 5 respectively. At the left and right ends of the side, the lower ends of the two sets of telescopic frames 8 are hinged on the left and right sides of the rotating sleeve 6 respectively. For a suitable height, during the adjustment process, the two sets of telescopic frames 8 expand and contract together with the telescopic rods 3. In addition, loosen the fixing bolts 7, and rotate the fixing plate 5 through the rotating sleeve 6 and the bearing 4, so as to facilitate the installation of the fixing plate. 5. Conduct a comprehensive display, so that students can learn from a maximum perspective.

An iron plate 9 is embedded in the right end of the front side of the fixed plate 5, and the coordinate axis 10 is electrically engraved on the iron plate 9. The fixed plate 5 is provided with a groove, and the inner size of the groove is the same as the outer size of the iron plate 9, The iron plate 9 and the fixed plate 5 are in an embedded connection structure, so that the iron plate 9 can be removed from the fixed plate 5 for cleaning and maintenance. The iron plate 9 is adsorbed with a magnet 11, and the magnet 11 is fixed with a thin wire 12. , there are magnets 11 equidistantly attached to the thin line 12, and the thin rope 12 is passed through the magnet 11 and adsorbed on the iron plate 9 to display the differential teaching. At the same time, students can also be encouraged to perform differential operations on the thin line to improve teaching. At the same time, it can improve the fun of teaching.

A small whiteboard 13 is arranged on the left side of the fixing plate 5, and a placing plate 14 is fixedly installed on the lower front end of the small whiteboard 13, and a placing cavity 15 is opened on the placing plate 14. The placing cavity 15 is provided with a total of four groups, and the placing cavity 15 are all set on the placing plate 14 to facilitate the placement of the whiteboard eraser and the whiteboard pen, preventing the whiteboard pen from rolling off, and a large whiteboard 16 is provided on the back side of the fixed plate 5 .

Working principle: When in use, move the device to a suitable position through the universal wheel 2, and fix the device through the braking mechanism on the universal wheel 2;

Then, according to the teaching requirements, the device is adjusted to a suitable height through the telescopic rod 3. During the adjustment process, the two sets of telescopic frames 8 are stretched together with the telescopic rod 3. According to the teaching content, the teacher uses the magnet 11 to remove the thin wire. 12 is adsorbed on the coordinate axis 10 on the iron plate 9, making differential teaching more intuitive;

The teacher can demonstrate the writing on the blackboard through the small whiteboard 13 to improve the teaching effect. After the teaching is completed, the whiteboard pen can be embedded in the placement cavity 15 for storage to prevent the whiteboard pen from rolling off;

After writing on the blackboard and differentiation, loosen the fixing bolts 7, and rotate the fixing plate 5 through the rotating sleeve 6 and the bearing 4, so that the fixing plate 5 can be displayed in an all-round way, so that the students can learn from the maximum perspective.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. A kind of teaching appliance that is easy to move higher mathematics differential, comprising a base (1), characterized in that: the lower side of the base (1) is fixedly installed with four groups of universal wheels (2), and the base (1) is A telescopic rod (3) is fixedly welded on the middle part of the upper side, and a fixing plate (5) is installed on the upper end of the telescopic rod (3) through a bearing (4), and the lower end of the telescopic rod (3) is sleeved with a rotating sleeve (6). ), and the rotating sleeve (6) is provided with a fixing bolt (7), the side of the rotating sleeve (6) is hinged with a telescopic frame (8), and the upper end of the telescopic frame (8) is hinged on the fixing plate (5) On the lower side, an iron plate (9) is embedded in the front right end of the fixed plate (5), and a coordinate axis (10) is electrically engraved on the iron plate (9), and magnetite is adsorbed on the iron plate (9). (11), and a thin wire (12) is fixed on the magnet (11), a small white board (13) is arranged on the left side of the fixed plate (5), and the lower front end of the small white board (13) is fixedly installed with a A placement plate (14) is provided with a placement cavity (15) on the placement plate (14), and a large whiteboard (16) is provided on the back side of the fixed plate (5). 2. A teaching appliance for easy-to-move higher mathematics differentiation according to claim 1, characterized in that: the lower middle part of the fixed plate (5) is connected with the telescopic rod (3) through the bearing (4), so Said fixing plate (5) is arranged in a rotating structure through the bearing (4). 3. A kind of easy-to-move higher mathematics differential teaching appliance according to claim 1, characterized in that: the telescopic frame (8) is provided with two groups in total, and the upper ends of the two groups of telescopic frames (8) are respectively hinged on the fixed The left and right ends of the lower side of the plate (5), the lower ends of the two sets of telescopic frames (8) are hinged on the left and right sides of the rotating sleeve (6), respectively, and the fixed plate (5) passes through the telescopic frame (8) and the telescopic frame (8). The rod (3) is arranged as a lifting structure. 4. A kind of easy-to-move higher mathematics differential teaching appliance according to claim 1, characterized in that: the fixed plate (5) is provided with a groove, and the inner size of the groove is the same as the outer side of the iron plate (9). The dimensions are the same, and the iron plate (9) and the fixing plate (5) are embedded connection structures. 5. A kind of easy-to-move higher mathematics differential teaching appliance according to claim 1, characterized in that: magnets (11) are equidistantly attached to the thin line (12). 6. A kind of easy-to-move higher mathematics differential teaching appliance according to claim 1, characterized in that: the placement cavity (15) is provided with four groups in total, and the placement cavity (15) is opened on the placement plate (14) superior.

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