CN214383327U

CN214383327U - Drawing tool structure for mathematical education

Info

Publication number: CN214383327U
Application number: CN202120430528.8U
Authority: CN
Inventors: 马志超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-28
Filing date: 2021-02-28
Publication date: 2021-10-12
Anticipated expiration: 2031-02-28

Abstract

The utility model discloses a graphics primitive structure for mathematical education, including the triangle mainboard, the edge of triangle mainboard all is provided with sharp scale, and the one end of triangle mainboard has seted up the hanging hole, the mid-mounting of triangle mainboard has outer go-between, and the inboard of outer go-between is connected with the connecting rod, the other end of connecting rod is provided with the in-connection ring, and installs the support frame on the in-connection ring to the edge of support frame installs the circumference scale, the connecting seat is installed to the upper end both sides of support frame, and installs the pivot in the connecting seat, be connected with the holding rod in the pivot. The utility model discloses simple structure, with the inside of outer go-between setting at the triangle mainboard, can assist the teacher through the intra-annular support frame of outer connection and carry out many figures and have the specification to can reduce the teaching tool quantity in the mathematical education classroom, increase the efficiency of giving lessons in classroom.

Description

Drawing tool structure for mathematical education

Technical Field

The utility model relates to a mathematical education technical field specifically is a graphics primitive structure for mathematical education.

Background

The arithmetic of ancient China is one of six crafts, and a plurality of auxiliary appliances are needed to be used for teaching assistance in modern mathematical teaching to ensure the teaching quality in class. The existing mathematical teaching tools are large in quantity, appliances with different purposes need to be replaced alternately when the graphs are drawn, the teaching difficulty of a teacher can be increased, the loss of teaching time can be increased, and the information receiving efficiency of an educated person is reduced. Therefore, a drawing tool structure for mathematical education is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a graphics primitive structure for mathematical education to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a graphics primitive structure for mathematical education, includes the triangle mainboard, the hanging hole has been seted up to the one end of triangle mainboard, the mid-mounting of triangle mainboard has outer go-between, and the inboard of outer go-between is connected with the connecting rod, the other end of connecting rod is provided with the interior link, and installs the support frame on the interior link to the edge of support frame installs the circumference scale, the middle part of support frame is provided with the scale ring, and the upper end of scale ring is provided with the boss, the upper end of boss is connected with the kinking post, and the top edge of kinking post has seted up the wire casing, the side of kinking post is provided with three hornblocks, and the draw-in groove has been seted up to the side of three hornblocks, the laminating seat is installed to the bottom of draw-in groove, and is connected with the chalk mount pad on the laminating seat.

Preferably, three sides of the triangular main board are provided with linear scales, the triangular main board and the hanging hole are designed in an integrated mode, and the hanging hole is of a gourd-shaped structure.

Preferably, the inner side of the outer connecting ring and the outer side of the inner connecting ring are both provided with a groove, and the connecting rod respectively forms a clamping type sliding connection structure with the outer connecting ring and the inner connecting ring through the grooves.

Preferably, the connecting seat is installed to the upper end both sides of support frame, and installs the pivot in the connecting seat, be connected with the holding rod in the pivot, and the bottom of holding rod is provided with spacing platform.

Preferably, the triangular block, the clamping groove and the attaching seat are designed integrally, the chalk mounting seat is connected with the clamping groove in a clamping mode, and the chalk mounting seat is connected with the attaching seat in a magnetic attraction mode.

Preferably, the chalk mounting seat comprises a handheld groove, a limiting groove, rubber blocks, a bolt line hole and a limiting line, the handheld groove is installed on the side edge of the chalk mounting seat, the bolt line hole is formed in the lower end of the handheld groove, the limiting line is connected to the bolt line hole, the limiting groove is formed in the two sides of the chalk mounting seat, and the rubber blocks are installed at the two ends of the inner side of the chalk mounting seat.

Preferably, the edge opening of the wire groove is in an inclined shape.

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

the utility model has simple structure, the outer connecting ring is arranged inside the triangular main board, and the support frame in the outer connecting ring can assist the teacher to draw multiple figures with specification, thereby reducing the number of teaching tools in the mathematical teaching classroom, reducing the teaching difficulty of the teacher and increasing the teaching efficiency in the classroom; the chalk mounting seat is clamped on the clamping groove, so that the use convenience of the chalk mounting seat can be improved, and the drawing capacity of the device is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall overlooking structure of the present invention.

Fig. 3 is a schematic diagram of the structure of the external connection ring according to the present invention.

Fig. 4 is a schematic view of the supporting frame of the present invention.

Fig. 5 is a schematic view of the boss connection structure of the present invention.

FIG. 6 is a schematic structural view of a chalk holder according to the present invention;

fig. 7 is a schematic view of the structure of the wrapping post of the present invention.

In the figure: 1. a triangular main board; 2. an outer connecting ring; 3. a scale ring; 4. a boss; 5. hanging holes; 6. a holding rod; 7. a triangular block; 8. a connecting rod; 9. a support frame; 10. an inner connecting ring; 11. linear scale division; 12. circumferential scales are arranged; 13. a connecting seat; 14. a rotating shaft; 15. a card slot; 16. winding the wire column; 17. a limiting table; 18. a chalk mounting seat; 181. a hand-held tank; 182. a limiting groove; 183. a rubber block; 184. a bolt hole; 185. a limiting line; 19. a fitting seat; 20. a wire slot.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

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. 1-7, the present invention provides an embodiment: the utility model provides a graphics primitive structure for mathematical education, includes triangle mainboard 1 particularly trilateral of triangle mainboard 1 all is provided with sharp scale 11, hanging hole 5 has been seted up to the one end of triangle mainboard 1 to the calabash shape structure of triangle mainboard 1 and the design of hanging hole 5 as an organic whole can increase the dress of whole device and hang the ability, hangs on objects such as nail when not using conveniently. The middle part fixedly connected with outer go-between 2 of triangle mainboard 1, and the inboard of outer go-between 2 is connected with connecting rod 8, and the other end of connecting rod 8 is provided with interior connecting ring 10, particularly, the inboard of outer go-between 2 and the outside of interior connecting ring 10 are all seted up flutedly, and the both ends of connecting rod 8 are equipped with the fixture block, through the cooperation with the recess respectively with outer go-between 2, interior connecting ring 10 constitution snap-on sliding connection structure, a plurality of connecting rods 8 can remove promptly to structure between outer go-between 2 and the interior connecting ring 10 remains stable, can stir connecting rod 8 as required drawing the circle, guarantees the normal use of device, install support frame 9 on the interior connecting ring 10 to circumference scale 12 is installed to the edge of support frame 9.

In addition, in order to conveniently hold the device, connecting seats 13 are installed on two sides of the upper end of the supporting frame 9, a rotating shaft 14 is installed in the connecting seats 13, a holding rod 6 is connected to the rotating shaft 14, a limiting table 17 is arranged at the bottom end of the holding rod 6, a scale ring 3 is arranged in the middle of the supporting frame 9, the supporting frame 9 is of a disc-shaped structure, the scale ring 3 and the supporting frame 9 are designed in an integrated mode, the holding rod 6 and the connecting seats 13 form a rotating structure through the rotating shaft 14, the connecting seats 13 are set to be of a U-shaped structure, and the limiting table 17 can enable the holding rod 6 to abut against the supporting frame 9 after being reversed, so that the whole device is better attached to the drawing board surface.

The upper end of scale ring 3 is provided with boss 4, the upper end of boss 4 is connected with winding post 16, and winding post 16's top edge has seted up wire casing 20, winding post 16's side is provided with three hornblocks 7, and three hornblocks 7's side has seted up draw-in groove 15, laminating seat 19 is installed to draw-in groove 15's bottom, and be connected with chalk mount pad 18 on laminating seat 19, wherein three hornblocks 7, draw-in groove 15 and laminating seat 19 design as an organic whole, and chalk mount pad 18 is connected for the block with draw-in groove 15, and chalk mount pad 18 adopts the iron material, laminating seat 19 adopts the magnetite, thereby realize magnetism and inhale the formula and connect, conveniently take down and place.

Specifically, the chalk mounting seat 18 comprises a handheld groove 181, a limiting groove 182, a rubber block 183, a bolt hole 184 and a limiting line 185, the side edge of the front end of the clamping groove 15 is connected with the limiting groove 182 in a clamping manner, so that the chalk mounting seat is convenient to place, and the side edge of the chalk mounting seat 18 is welded and connected with the handheld groove 181, so that the chalk mounting seat 18 can be flexibly controlled; in addition, the lower end of the handheld groove 181 is provided with a bolt line hole 184, the bolt line hole 184 is connected with a limit line 185, two sides of the chalk mounting seat 18 are provided with limit grooves 182, two ends of the inner side of the chalk mounting seat 18 are provided with rubber blocks 183, and the chalk mounting seat 18 can be matched with the limit line 185 to perform circumferential rotation motion, so that a regular circle is drawn, and teaching is facilitated.

The working principle is as follows: it is needed to understand the utility model to carry out simple structure, at first the user takes out the device from hanging the nail through hanging hole 5, hold holding rod 6 at this moment and rotate the pivot 14 on connecting seat 13, with holding rod 6 and support frame 9 between perpendicular, and laminate spacing platform 17 and support the holding rod 6 on support frame 9 and handle, laminate triangle mainboard 1 on the drawing face afterwards, draw the straight line of corresponding size according to straight line scale 11 at this moment, then adjust the position of support frame 9 between outer go-between 2 and inner connect ring 10, cooperate and carry out the angle drawing and adjust at circumference scale 12 and scale ring 3;

in addition, a user inserts chalk into the chalk mounting seat 18, the rubber block 183 completes resistance increasing treatment on the chalk to prevent the chalk from falling off, the user can hold the handheld groove 181 to take the chalk mounting seat 18 out of the clamping groove 15, then the limiting groove 182 synchronously leaves the clamping groove 15, at the moment, the handheld groove 181 is held again to match the chalk in the chalk mounting seat 18, turnover is carried out under the traction of the limiting wire 185, then the winding circumference of the limiting wire 185 on the winding post 16 is adjusted, the limiting wire 185 is clamped in the wire groove 20 to adjust the radius of a circle, as shown in the figure, the opening at the edge of the wire groove 20 is in an inclined state, so that the chalk is not easy to fall off when being used, the circle is drawn, and then the limiting wire 185 is wound on the winding post 16 again. After use, the chalk mounting seat 18 can be clamped in the clamping groove 15, the bottom end of the chalk mounting seat 18 is attached to the attaching seat 19 in a magnetic mode, and the chalk mounting seat 18 is limited and fixed.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a graphics primitive structure for mathematical education, includes triangle mainboard (1), its characterized in that: the hanging hole (5) is formed in one end of the triangular main board (1), the outer connecting ring (2) is installed in the middle of the triangular main board (1), the connecting rod (8) is connected to the inner side of the outer connecting ring (2), the inner connecting ring (10) is arranged at the other end of the connecting rod (8), the supporting frame (9) is installed on the inner connecting ring (10), the circumference scales (12) are installed at the edge of the supporting frame (9), the scale ring (3) is arranged in the middle of the supporting frame (9), the boss (4) is arranged at the upper end of the scale ring (3), the winding column (16) is connected to the upper end of the boss (4), the wire slot (20) is formed in the edge of the top end of the winding column (16), the triangular block (7) is arranged on the side of the winding column (16), the clamping slot (15) is formed in the side of the triangular block (7), the attaching seat (19) is installed at the bottom end of the clamping slot (15), and the attaching seat (19) is connected with a chalk mounting seat (18).

2. The drawing tool structure for mathematical education as set forth in claim 1, wherein: trilateral of triangle mainboard (1) all is provided with straight line scale (11), and triangle mainboard (1) and hanging hole (5) design as an organic whole to hanging hole (5) are established to calabash shape structure.

3. The drawing tool structure for mathematical education as set forth in claim 1, wherein: the inner side of the outer connecting ring (2) and the outer side of the inner connecting ring (10) are both provided with grooves, and the connecting rod (8) forms a clamping type sliding connection structure with the outer connecting ring (2) and the inner connecting ring (10) through the grooves respectively.

4. The drawing tool structure for mathematical education as set forth in claim 1, wherein: connecting seats (13) are installed on two sides of the upper end of the supporting frame (9), rotating shafts (14) are installed in the connecting seats (13), holding rods (6) are connected to the rotating shafts (14), and limiting tables (17) are arranged at the bottom ends of the holding rods (6).

5. The drawing tool structure for mathematical education as set forth in claim 1, wherein: the chalk holder is characterized in that the triangular block (7), the clamping groove (15) and the attaching seat (19) are designed in an integrated mode, the chalk mounting seat (18) is connected with the clamping groove (15) in a clamping mode, and the chalk mounting seat (18) is connected with the attaching seat (19) in a magnetic absorption mode.

6. The drawing tool structure for mathematical education as set forth in claim 1, wherein: the chalk mounting seat (18) comprises a handheld groove (181), a limiting groove (182), rubber blocks (183), a bolt line hole (184) and a limiting line (185), the handheld groove (181) is installed on the side edge of the chalk mounting seat (18), the bolt line hole (184) is formed in the lower end of the handheld groove (181), the limiting line (185) is connected to the bolt line hole (184), the limiting groove (182) is formed in the two sides of the chalk mounting seat (18), and the rubber blocks (183) are installed at the two ends of the inner side of the chalk mounting seat (18).

7. The drawing tool structure for mathematical education as set forth in claim 1, wherein: the edge opening of the wire groove (20) is in an inclined shape.