CN218558403U

CN218558403U - Curve drawing board

Info

Publication number: CN218558403U
Application number: CN202222429103.2U
Authority: CN
Inventors: 刘�英; 王静
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-03-03
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a curve drawing board, which comprises a drawing board main body; in the utility model, the hyperbolas can slide out through the first curve plate and the second curve plate, the worm drives the worm wheel to rotate by rotating the worm, the worm wheel drives the threaded rod to rotate, the threaded rod drives the slider to slide in the chute through the threaded sleeve, so that the position of the second curve plate can be adjusted, and further the distance between the first curve plate and the second curve plate can be adjusted, and the hyperbolas with different distances can be drawn for teaching; the utility model discloses in, adsorb the piece through first magnetism and second magnetism and can adsorb first curve and second curve on the blackboard to make whole drawing board can adsorb on the blackboard, make can reduce mr's the operation degree of difficulty when drawing, and this mode can also avoid when drawing second half picture, and the drawing board shifts to appear, leads to the unsafe problem of figure.

Description

Curve drawing board

Technical Field

The utility model belongs to the technical field of the drawing board, particularly, relate to a curve drawing board.

Background

In the process of mathematical education, a teacher can teach students to know curves, at the moment, the students can be taught by drawing the curves on the blackboard, but most curve drawing boards in the prior art are single drawing boards, for example, the drawing boards can only draw arcs, and cannot draw a circle quickly and conveniently, manual line supplementing of the teacher is needed, and for example, the drawing boards drawing hyperbolas can only draw hyperbolas with single intervals, so that the practicability of the drawing boards is limited, the manual line supplementing of the teacher is needed in the drawing process, the drawing is inconvenient, in addition, the drawing boards in the prior art need to be manually attached to the blackboard by one hand, and the drawing is carried out by the other hand, the mode is inconvenient, and once the drawing boards are displaced, the drawing boards are restored to the original positions and need a certain time, and the teaching efficiency is influenced.

An effective solution to the problems in the related art has not been proposed yet.

Therefore in order to solve the above problem, the utility model provides a curve drawing board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a curve drawing board to solve the problem that proposes among 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 curve drawing board, includes the drawing board main part, the drawing board main part includes the diaphragm, the spout has been seted up on the top of diaphragm, the internally mounted of spout has the worm wheel, one side meshing of worm wheel is connected with the worm, one side fixedly connected with threaded rod of worm wheel, the inside sliding connection of spout has the slider, the inside fixed mounting of slider has the screw thread sleeve, the threaded rod with screw thread sleeve threaded connection, the top of slider is rotated and is connected with the second curve, the top fixed mounting of second curve has second magnetism to adsorb the piece, top one side of diaphragm is rotated and is connected with first curve, the top fixed mounting of first curve has first magnetism to adsorb the piece.

Furthermore, the inside one end fixed mounting of spout has the erection column, the one end of erection column is rotated and is connected with the worm wheel, the bottom fixed mounting of worm has the bull stick, the bottom fixed mounting of bull stick has the commentaries on classics hand.

Furthermore, a second socket is formed at the top end of the sliding block.

Furthermore, a second inserting column is fixedly mounted at the bottom end of the second curve plate, and the second inserting column is connected with the second inserting port in a clamping mode.

Furthermore, a first inserting port is formed in one side of the top end of the transverse plate.

Furthermore, a first inserting column is fixedly mounted at the bottom end of the first curve plate, and the first inserting column is connected with the first inserting port in a clamping mode.

Furthermore, a holding handle is fixedly arranged on one side of the transverse plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, can the roll-off hyperbola through first curve and second curve, through rotating the worm, the worm drives the worm wheel and rotates, and the worm wheel drives the threaded rod and rotates, and the threaded rod passes through the screw sleeve and drives the slider and slide in the spout to make the position of second curve can obtain the adjustment, and then make the interval between first curve and the second curve can obtain the adjustment, make its hyperbola that can draw different intervals teach.

2. The utility model discloses in, first curve can rotate on the diaphragm, and the second curve can rotate on the slider to make the both ends of first curve and second curve can be to it, then through removing the second curve, make its and first curve butt joint, can splice into a circle through first curve and second curve, when mr needs the drawing circle, just so can operate, the functionality of drawing board has been strengthened to this design.

3. The utility model discloses in, adsorb the piece through first magnetism and second magnetism and can adsorb first curve and second curve on the blackboard to make whole drawing board can adsorb on the blackboard, make can reduce mr's the operation degree of difficulty when drawing, and this mode can also avoid when drawing second half picture, and the drawing board shifts to appear, leads to the unsafe problem of figure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic bottom view of the present invention;

fig. 3 is a schematic sectional view of the present invention.

Reference numerals are as follows:

1. a drawing board body; 2. a transverse plate; 201. a first interface; 202. a chute; 203. mounting a column; 204. a worm gear; 205. a worm; 206. a rotating rod; 207. turning the hand; 208. a threaded rod; 3. a slider; 301. a threaded sleeve; 302. a second interface; 4. a first curve plate; 401. a first plug-in column; 402. a first magnetic adsorption block; 5. a second curve plate; 501. a second plug column; 502. a second magnetic adsorption block; 6. the handle is held.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-3, a curved drawing board according to an embodiment of the present invention includes a drawing board main body 1, the drawing board main body 1 includes a horizontal plate 2, a sliding groove 202 is formed at a top end of the horizontal plate 2, a worm wheel 204 is installed inside the sliding groove 202, a worm 205 is engaged with one side of the worm wheel 204, a threaded rod 208 is fixedly connected to one side of the worm wheel 204, a sliding block 3 is slidably connected to an inside of the sliding groove 202, a threaded sleeve 301 is fixedly installed inside the sliding block 3, the threaded rod 208 is in threaded connection with the threaded sleeve 301, a second curved plate 5 is rotatably connected to a top end of the sliding block 3, a second magnetic adsorption block 502 is fixedly installed at a top end of the second curved plate 5, a first curved plate 4 is rotatably connected to one side of a top end of the horizontal plate 2, a first magnetic block 402 is fixedly installed at a top end of the first curved plate 4, the hyperbolas can slide out through the first curve plate 4 and the second curve plate 5, the worm 205 is rotated to drive the worm wheel 204 to rotate, the worm wheel 204 drives the threaded rod 208 to rotate, the threaded rod 208 drives the sliding block 3 to slide in the sliding groove 202 through the threaded sleeve 301, so that the position of the second curve plate 5 can be adjusted, further, the distance between the first curve plate 4 and the second curve plate 5 can be adjusted, the hyperbolas with different distances can be drawn for teaching, the first curve plate 4 and the second curve plate 5 can be adsorbed on the blackboard through the first magnetic adsorption block 402 and the second magnetic adsorption block 502, so that the whole drawing board can be adsorbed on the blackboard, the operation difficulty of a teacher can be reduced in drawing, and the mode can also avoid the drawing board shifting in drawing the other half of the drawing, resulting in the problem of inaccurate graphics.

Through the above technical scheme of the present invention, the mounting post 203 is fixedly installed at one end inside the sliding groove 202, one end of the mounting post 203 is rotatably connected with the worm wheel 204, the rotating rod 206 is fixedly installed at the bottom end of the worm 205, the rotating handle 207 is fixedly installed at the bottom end of the rotating rod 206, the rotating rod 206 drives the worm 205 to rotate, the worm 205 drives the worm wheel 204 to rotate, and the second inserting port 302 is formed at the top end of the slider 3; a second plug column 501 is fixedly mounted at the bottom end of the second curve plate 5, the second plug column 501 is connected with the second plug port 302 in a clamping manner, and the second plug column 501 and the second plug port 302 are designed to facilitate mounting of the second curve plate 5; a first jack 201 is arranged on one side of the top end of the transverse plate 2; a first plug column 401 is fixedly mounted at the bottom end of the first curve plate 4, the first plug column 401 is connected with the first plug port 201 in a clamping manner, and the first plug column 401 and the first plug port 201 are designed to facilitate mounting of the first curve plate 4; one side fixed mounting of diaphragm 2 has the handle 6 of holding, and the user can hold this drawing board through holding handle 6 to carry out drawing work through this drawing board.

The utility model discloses a curved drawing board's theory of operation does: the hyperbolas can slide out through the first curve plate 4 and the second curve plate 5, the worm 205 is rotated to drive the worm wheel 204 to rotate, the worm wheel 204 drives the threaded rod 208 to rotate, the threaded rod 208 drives the sliding block 3 to slide in the sliding groove 202 through the threaded sleeve 301, so that the position of the second curve plate 5 can be adjusted, further, the distance between the first curve plate 4 and the second curve plate 5 can be adjusted, the hyperbolas with different distances can be drawn for teaching, when drawing, the distance between the first curve plate 4 and the second curve plate 5 is adjusted, then the first curve plate 4 and the second curve plate 5 are close to the blackboard, the first curve plate 4 and the second curve plate 5 can be adsorbed on the blackboard through the first magnetic adsorption block 402 and the second magnetic adsorption block 502, and the whole drawing board can be adsorbed on the blackboard, the operation difficulty of a teacher can be reduced when drawing, a certain force can be applied to the transverse plate by one hand to fix the transverse plate, the displacement of the whole device caused by overlarge force application when drawing is avoided, when drawing the other half of the graph, the first curve plate 4 and the second curve plate 5 can be ensured to be adsorbed on the blackboard without falling under the action of the first magnetic adsorption block 402 and the second magnetic adsorption block 502, so that the teacher can easily change the other hand to draw the other half of the graph, the first curve plate 4 can rotate on the transverse plate 2, the second curve plate 5 can rotate on the sliding block 3, the two ends of the first curve plate 4 and the second curve plate 5 can be aligned to the first curve plate 4, then the second curve plate 5 is moved to be abutted to the first curve plate 4, and the first curve plate 4 and the second curve plate 5 can be spliced into a circle, this is done when the teacher needs to draw a circle, which enhances the functionality of the drawing board.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a curve drawing board, its characterized in that, includes drawing board main part (1), drawing board main part (1) includes diaphragm (2), spout (202) have been seted up on the top of diaphragm (2), the internally mounted of spout (202) has worm wheel (204), one side meshing of worm wheel (204) is connected with worm (205), one side fixedly connected with threaded rod (208) of worm wheel (204), the inside sliding connection of spout (202) has slider (3), the inside fixed mounting of slider (3) has threaded sleeve (301), threaded rod (208) with threaded sleeve (301) threaded connection, the top of slider (3) is rotated and is connected with second curve (5), the top fixed mounting of second curve (5) has second magnetic adsorption piece (502), top one side of diaphragm (2) is rotated and is connected with first curve (4), the top fixed mounting of first curve (4) has first magnetic adsorption piece (402).

2. The curve drawing board of claim 1, wherein a mounting column (203) is fixedly mounted at one end of the inside of the sliding groove (202), the worm wheel (204) is rotatably connected to one end of the mounting column (203), a rotating rod (206) is fixedly mounted at the bottom end of the worm (205), and a rotating hand (207) is fixedly mounted at the bottom end of the rotating rod (206).

3. The curvilinear drawing board of claim 1, wherein the top end of the sliding block (3) is provided with a second socket (302).

4. The curved drawing board of claim 3, wherein a second plug-in column (501) is fixedly mounted at the bottom end of the second curved board (5), and the second plug-in column (501) is connected with the second plug-in port (302) in a snap-fit manner.

5. The curved drawing board of claim 1, wherein a first inserting port (201) is formed at one side of the top end of the transverse board (2).

6. The curved drawing board of claim 5, wherein a first plug-in column (401) is fixedly mounted at the bottom end of the first curved board (4), and the first plug-in column (401) is connected with the first plug-in port (201) in a clamping manner.

7. A curved drawing board according to claim 1, wherein a holding handle (6) is fixedly mounted on one side of the cross board (2).