CN214873833U - Advanced mathematics teaching board - Google Patents

Abstract

The utility model discloses an advanced mathematics teaching board, including external teaching board body, coordinate axis body, draw-in groove and winding pole, the inside block of external teaching board body is connected with interior teaching board body, and the leading flank of interior teaching board body is fixed with the coordinate axis body to the draw-in groove has all been seted up to the upper and lower both sides face inside of interior teaching board body, the inside block of draw-in groove is connected with the fixture block, the fixture block is all installed to the inside wall about the one end of external teaching board body, the one end upper surface inner bearing of external teaching board body is connected with the winding pole, and the front end of winding pole runs through the external teaching board body. This advanced mathematics teaching board is provided with outer teaching board body and interior teaching board body for outer teaching board body not only can hide the function formula on the body of interior teaching board, can also carry out the dictation of function formula simultaneously on the leading flank of outer teaching board body, and the dictation end can contrast, is convenient for dictation and inspection from this.

Description

Advanced mathematics teaching board

Technical Field

The utility model relates to a higher mathematics teaching board technical field specifically is higher mathematics teaching board.

Background

Higher mathematics refers to one kind of mathematics that learns in university period, and higher mathematics compares the mathematics in junior high school and is more difficult to master and understand, and higher mathematics mostly needs to use the teaching board to impart knowledge to students in the teaching, and although the teaching board for higher mathematics on the market is many kinds at present, still have some weak points when using, for example:

the patent name disclosed as 'CN 202764526U' is 'an advanced mathematics teaching board', which solves the problems that the existing blackboard has no coordinates and grids, increases the drawing difficulty of teachers, and drawn graphs have larger errors, so that function curves are inaccurate, the shapes of the graphs are inaccurate, the visual perception of learning is influenced, and the teaching effect is poor;

therefore, the advanced mathematics teaching board can solve the problems well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a higher mathematics teaching board to solve the teaching board that has now on the existing market that above-mentioned background art provided can the positive and negative use many times simultaneously, but when teaching to some function formulas, need the student to wipe the formula of writing when writing silently again and write silently, and then the inconvenient problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: the advanced mathematics teaching board comprises an external teaching board body, a coordinate axis body, clamping grooves and winding rods, wherein the internal part of the external teaching board body is clamped and connected with an internal teaching board body, the front side surface of the internal teaching board body is fixed with the coordinate axis body, the clamping grooves are respectively arranged in the upper side surface and the lower side surface of the internal teaching board body, the internal part of each clamping groove is clamped and connected with a clamping block, the upper inner side wall and the lower inner side wall of one end of the external teaching board body are respectively provided with a clamping block, the upper surface of one end of the external teaching board body is internally provided with a winding rod in a bearing connection manner, the front end of the winding rod penetrates through the external teaching board body, the upper surface of one end of the external teaching board body is internally provided with a positioning groove, the upper surface of the internal teaching board body is internally provided with a mounting groove and a through groove, the front side surface of the mounting groove is provided with a through groove, the internal screw of the mounting groove is fixed with a reset spring, and the top end of the reset spring is fixed with a positioning rod, and the top end of the positioning rod penetrates through the inner teaching board body and is connected with the positioning groove in a clamping manner.

Preferably, the storage tank has been seted up to the inside of external teaching board body, and the vertical center line symmetry of external teaching board body about interior teaching board body is provided with two to the external teaching board body is "U" shape structure setting.

Preferably, the inside block of storage tank is connected with interior teaching board body, and the length of storage tank is less than half of interior teaching board body length.

Preferably, the outside key-type of winding pole has the wire winding dish, and the wire winding dish is provided with two about the vertical central line symmetry of interior teaching board body to two wire winding dishes are connected with the winding of suspension rope both ends respectively.

Preferably, a protruding rod is fixed on the front side face of the lower end of the positioning rod through a screw, the positioning rod is arranged in an inverted pi-shaped structure, and the front end of the protruding rod penetrates through the through groove.

Preferably, the space inside the through groove is communicated with the space inside the mounting groove, and the through groove and the convex rod are arranged in a one-to-one correspondence manner.

Compared with the prior art, the beneficial effects of the utility model are that: the advanced mathematics teaching board;

(1) the outer teaching board body is connected with the inner teaching board body in a sliding mode, and then a function formula can be written on the inner teaching board body;

(2) be fixed with the suspension rope, be convenient for hang whole teaching board through the setting of suspension rope and use, the later stage is through the setting of winding pole so that rotate to suspension rope and accomodate, is connected through the block of locating lever and constant head tank to external teaching board body is fixed, and whole teaching board carries and takes from this.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the winding rod of the present invention;

FIG. 4 is a schematic view of the structure of the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;

fig. 6 is a left sectional structural schematic view of the protruding rod of the present invention.

In the figure: 1. an external teaching board body; 2. an inner teaching board body; 3. a coordinate axis body; 4. a containing groove; 5. a card slot; 6. a clamping block; 7. a suspension rope; 8. a winding rod; 9. positioning a groove; 10. positioning a rod; 11. a nose bar; 12. mounting grooves; 13. a return spring; 14. a through groove; 15. and (4) winding the rope disc.

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. 1-6, the present invention provides a technical solution: the advanced mathematics teaching board comprises an external teaching board body 1, an internal teaching board body 2, a coordinate axis body 3, a containing groove 4, a clamping groove 5, a clamping block 6, a suspension rope 7, a winding rod 8, a positioning groove 9, a positioning rod 10, a convex rod 11, a mounting groove 12, a reset spring 13, a through groove 14 and a rope winding disc 15, wherein the internal part of the external teaching board body 1 is clamped and connected with the internal teaching board body 2, the coordinate axis body 3 is fixed on the front side surface of the internal teaching board body 2, the clamping grooves 5 are respectively arranged on the upper side surface and the lower side surface of the internal teaching board body 2, the clamping block 6 is clamped and connected with the clamping block 5, the clamping block 6 is respectively arranged on the upper inner side wall and the lower inner side wall of one end of the external teaching board body 1, the internal bearing of the upper surface of one end of the external teaching board body 1 is connected with the winding rod 8, the front end of the winding rod 8 penetrates through the external teaching board body 1, and the positioning groove 9 is arranged on the inner part of the upper surface of one end of the external teaching board body 1, the inner teaching board comprises an inner teaching board body 2 and is characterized in that a mounting groove 12 and a through groove 14 are formed in the inner portion of the upper surface of the inner teaching board body 2, the through groove 14 is formed in the front side surface of the mounting groove 12, a return spring 13 is fixed to the inner side of the mounting groove 12 through a screw, a positioning rod 10 is fixed to the top end of the return spring 13 through a screw, and the top end of the positioning rod 10 penetrates through the inner teaching board body 2 to be connected with a positioning groove 9 in a clamping mode;

the containing groove 4 is formed in the outer teaching board body 1, two containing grooves are symmetrically formed in the outer teaching board body 1 about the vertical center line of the inner teaching board body 2, the outer teaching board body 1 is arranged in a U-shaped structure, and the containing groove 4 is formed in the outer teaching board body 1 so as to facilitate the placement and shielding of the inner teaching board body 2;

the inner teaching board body 2 is connected to the inner portion of the accommodating groove 4 in a clamping mode, the length of the accommodating groove 4 is smaller than one half of the length of the inner teaching board body 2, and therefore the length of the accommodating groove 4 is smaller than one half of the length of the inner teaching board body 2, so that the left end and the right end of the inner teaching board body 2 can be conveniently placed in the accommodating groove 4;

the outer side of the winding rod 8 is connected with two rope winding disks 15 in a key mode, the two rope winding disks 15 are symmetrically arranged relative to the vertical center line of the inner teaching board body 2, and the two rope winding disks 15 are respectively connected with the two ends of the suspension rope 7 in a winding mode, so that the two ends of the suspension rope 7 can be wound and unwound through the rope winding disks 15;

a convex rod 11 is fixed on the front side face of the lower end of the positioning rod 10 through a screw, the positioning rod 10 is arranged in an inverted pi-shaped structure, the front end of the convex rod 11 penetrates through the through groove 14, and the front end of the convex rod 11 penetrates through the through groove 14 so as to control the convex rod 11;

the space that leads to groove 14 inside is linked together with the space inside mounting groove 12, and leads to groove 14 and is the one-to-one setting with nose bar 11, consequently is linked together through the space that leads to groove 14 inside and the space inside mounting groove 12, and leads to groove 14 and is the one-to-one setting with nose bar 11, is convenient for manually control nose bar 11.

The working principle is as follows: when the advanced mathematics teaching board is used, firstly, the whole device is moved into a working area as shown in the attached drawings 4-6, a convex rod 11 is manually pulled downwards after the device reaches the working area, so that the convex rod 11 drives a positioning rod 10 to move downwards together, the positioning rod 10 is further separated from a corresponding positioning groove 9 as shown in the attached drawings 1-2, then the external teaching board bodies 1 on the outer sides of the left end and the right end of the internal teaching board body 2 are manually pulled outwards, at the moment, the internal teaching board body 2 is exposed, drawing operation can be carried out on the internal teaching board body 2 through the assistance of a coordinate axis body 3, and meanwhile, when the two external teaching board bodies 1 move in opposite directions, a hanging rope 7 is pulled as shown in the attached drawings 1-3, so that the hanging rope 7 is pulled out, and the whole teaching board can be hung through the hanging rope 7 for use;

meanwhile, the function formula can be written on the inner teaching board body 2, when the function formula needs to be written silently, at this time, the external teaching board body 1 is pushed to move, so that the external teaching board body 1 covers the internal teaching board body 2, then the dictation work can be carried out on the outer teaching board body 1, after the dictation is finished, the outer teaching board body 1 is moved outwards, the dictation formula on the outer teaching board body 1 can be checked with the dictation formula on the inner teaching board body 2, thereby facilitating the works of dictation and checking well, after the later use, the external teaching board body 1 is convenient to be fixed through the clamping connection of the positioning groove 9 and the positioning rod 10, to facilitate the movement and carrying of the entire teaching board, what is not described in detail in this specification is prior art known to those skilled in the art.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. Higher mathematics teaching board, including external teaching board body (1), coordinate axis body (3), draw-in groove (5) and winding pole (8), its characterized in that: the inner part of the outer teaching board body (1) is connected with an inner teaching board body (2) in a clamping manner, the front side surface of the inner teaching board body (2) is fixed with a coordinate axis body (3), the inner parts of the upper side surface and the lower side surface of the inner teaching board body (2) are respectively provided with a clamping groove (5), the inner part of each clamping groove (5) is connected with a clamping block (6) in a clamping manner, the upper inner side wall and the lower inner side wall of one end of the outer teaching board body (1) are respectively provided with a clamping block (6), the inner bearing of the upper surface of one end of the outer teaching board body (1) is connected with a winding rod (8), the front end of the winding rod (8) penetrates through the outer teaching board body (1), the positioning groove (9) is formed in the upper surface of one end of the outer teaching board body (1), the inner part of the upper surface of the inner teaching board body (2) is provided with a mounting groove (12) and a through groove (14), and the front side surface of the mounting groove (14) is formed in the inner teaching board body (2), and the inside fix with screw of mounting groove (12) has reset spring (13), the top fix with screw of reset spring (13) has locating lever (10), and the top of locating lever (10) runs through interior teaching board body (2) and is connected with constant head tank (9) block.

2. The advanced mathematics teaching board according to claim 1, wherein: storage tank (4) have been seted up to the inside of external teaching board body (1), and external teaching board body (1) is provided with two about the vertical central line symmetry of interior teaching board body (2) to external teaching board body (1) is "U" shape structure setting.

3. The advanced mathematics teaching board according to claim 2, wherein: the inside block of storage tank (4) is connected with interior teaching board body (2), and the length of storage tank (4) is less than half of interior teaching board body (2) length.

4. The advanced mathematics teaching board according to claim 1, wherein: the outside key-type of winding pole (8) is connected with around rope dish (15), and around rope dish (15) and be provided with two about the vertical central line symmetry of interior teaching board body (2) to two are around rope dish (15) respectively with hang rope (7) both ends winding connection.

5. The advanced mathematics teaching board according to claim 1, wherein: a convex rod (11) is fixed on the front side face of the lower end of the positioning rod (10) through screws, the positioning rod (10) is arranged in an inverted pi-shaped structure, and the front end of the convex rod (11) penetrates through the through groove (14).

6. The advanced mathematics teaching board according to claim 5, wherein: the space inside the through groove (14) is communicated with the space inside the mounting groove (12), and the through groove (14) and the convex rods (11) are arranged in a one-to-one correspondence manner.

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