CN216579898U

CN216579898U - Movable curve drawing device for teaching

Info

Publication number: CN216579898U
Application number: CN202123081598.6U
Authority: CN
Inventors: 王健; 李雪梅; 王雪; 陈静; 黄超; 陈立胜
Original assignee: Changchun University of Science and Technology
Current assignee: Changchun University of Science and Technology
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-24
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a movable curve drawing device for teaching, and relates to the technical field of curve drawing. This portable curve drawing ware is used in teaching, the camera includes the backup pad, backup pad bottom fixed mounting has two sets of friction pads, it has the commentaries on classics board to articulate in the backup pad, the board is inside to be provided with clamping device changes, clamping device includes slider A, slider A and commentaries on classics inboard wall sliding connection, threaded connection has two-way threaded rod on the slider A inner wall, fixed mounting has turning handle A on the two-way threaded rod, turning handle A is located the commentaries on classics board outside, threaded connection has two sets of splint on the two-way threaded rod, splint press from both sides the dead lever in the middle, fixed mounting has the drawing pen on the dead lever. After the drawing pen is installed, the position of the drawing pen is fixed through the limiting device, so that the position of the drawing pen is always maintained without manual operation in the drawing process, and manpower is liberated.

Description

Movable curve drawing device for teaching

Technical Field

The utility model relates to the technical field of curve drawing, in particular to a movable curve drawing device for teaching.

Background

Mathematics originates from early production activities of human beings, and ancient Babylon has accumulated certain mathematical knowledge from ancient times and can apply practical problems. From the point of view of mathematics itself, their mathematical knowledge is only observed and experienced, and there is no comprehensive conclusion or proof, but it is sufficient to confirm their contribution to mathematics. Knowledge and use of basic mathematics is an indispensable part of personal and group life.

Through the retrieval, the chinese patent of grant publication number CN211764546U has published the portable curve drawing device for mathematical education, and the device includes the crossbeam, two vacuum chuck are installed to the back symmetry of crossbeam, the front side position department placed in the middle of the crossbeam has the skew pole through round pin axle swing joint, install on the crossbeam with skew pole assorted elastic component, the top of skew pole is installed the activity and is pressed from both sides the subassembly, the device's beneficial effect is, places the chalk in press from both sides the cover in and utilize fastening bolt to screw it, later adjusts the length of telescopic link, holds the holding rod like this and carries out the drawing that the skew just can realize different curves on the blackboard to the skew pole, and the precision that the curve was drawn is high.

The above patents suffer from the following drawbacks: the length of the telescopic rod is adjusted manually, but after the length is adjusted, a person is required to fix the position of the telescopic rod by a hand, and the arm of an operator bears great burden in such a mode.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a movable curve plotter for teaching, which solves the problems mentioned in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a portable curve plotter is used in teaching, includes the backup pad, backup pad bottom fixed mounting has two sets of friction pads, it has the commentaries on classics board to articulate in the backup pad, the board is inside to be provided with clamping device changes, clamping device includes slider A, slider A and commentaries on classics inboard wall sliding connection, threaded connection has two-way threaded rod on the slider A inner wall, fixed mounting has turning handle A on the two-way threaded rod, turning handle A is located changes the board outside, threaded connection has two sets of splint on the two-way threaded rod, splint press from both sides the dead lever in the centre, fixed mounting has the drawing pen on the dead lever.

Preferably, the clamping devices are arranged in two groups, the two groups of clamping devices are symmetrically distributed on two sides inside the rotating plate, and the two groups of clamping devices are fixedly connected through connecting rods.

Preferably, the rotating plate is provided with a groove, the groove is provided with a tooth socket, the groove is connected with a limiting device in a sliding manner, the limiting device comprises a sliding seat, and the sliding seat is connected with the upper end of the rotating plate in a sliding manner.

Preferably, sliding connection has the slide bar on the slide, slide bar upper end fixed mounting has turning handle B, turning handle B is located the slide outside, fixed mounting has fixture block A on the slide bar, the draw-in groove has been seted up on the slide, fixture block A and draw-in groove sliding connection.

Preferably, sliding connection has slider B on the slide bar inner wall, slider B's bottom fixed mounting has the member, the bottom and the connecting rod fixed connection of member.

Preferably, the bottom fixed mounting of slide bar has fixture block B, fixture block B is located the tooth's socket directly over, the dead lever is provided with two sets with the drawing pen, and is two sets of the dead lever with draw the pen symmetric distribution at commentaries on classics board both ends.

(III) advantageous effects

The utility model provides a movable curve drawing device for teaching. The method has the following beneficial effects:

(1) this portable curve drawing ware is used in teaching, when drawing, through clamping device's effect to the realization is to the installation of drawing the pen, after using up, through clamping device's reaction, loosens the dead lever, realizes the dismantlement to drawing the pen.

(2) This portable curve drawing ware is used in teaching will draw the pen and install the back, removes the slide, moves about the connecting rod through the effect of member drives, adjusts the length that the drawing pen was drawn, will draw the pen and adjust to suitable position after, make the rigidity of drawing the pen through stop device's effect for do not need manual operation to maintain the position of drawing the pen always at the drawing in-process, liberated the manpower.

Drawings

FIG. 1 is a schematic top view of the overall structure of the present invention;

FIG. 2 is a schematic top cross-sectional view of the overall structure of the present invention;

fig. 3 is a front sectional structural view of the overall structure of the present invention.

In the figure: 1. rotating the plate; 2. a clamping device; 201. a rotating handle A; 202. a splint; 203. a bidirectional threaded rod; 204. fixing the rod; 205. a slide block A; 3. a support plate; 4. a friction pad; 5. a limiting device; 501. a rotating handle B; 502. a card slot; 503. a slide bar; 504. a slide block B; 505. a rod member; 506. a clamping block B; 507. a clamping block A; 508. a slide base; 6. drawing a pen; 7. a groove; 8. a tooth socket; 9. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a movable curve drawing device for teaching comprises a supporting plate 3, wherein two groups of friction pads 4 are fixedly mounted at the bottom of the supporting plate 3, a rotating plate 1 is hinged on the supporting plate 3, a clamping device 2 is arranged in the rotating plate 1, the clamping device 2 comprises a sliding block A205, the sliding block A205 is in sliding connection with the inner wall of the rotating plate 1, a bidirectional threaded rod 203 is in threaded connection with the inner wall of the sliding block A205, a rotating handle A201 is fixedly mounted on the bidirectional threaded rod 203, the rotating handle A201 is positioned outside the rotating plate 1, two groups of clamping plates 202 are in threaded connection with the bidirectional threaded rod 203, a fixing rod 204 is clamped between the clamping plates 202, a drawing pen 6 is fixedly mounted on the fixing rod 204, and when drawing is carried out, the rotating handle A201 is rotated to drive the bidirectional threaded rod 203 to rotate; the two groups of clamping plates 202 move relatively, the fixing rod 204 is clamped by the two groups of clamping plates 202, so that the drawing pen 6 is installed, and after the drawing pen is used up, the rotating handle A201 is reversed, so that the two groups of clamping plates 202 are relatively far away, the fixing rod 204 is loosened, and the drawing pen 6 is detached.

In this embodiment, two sets of clamping devices 2 are provided, the two sets of clamping devices 2 are symmetrically distributed on two sides inside the rotating plate 1, the two sets of clamping devices 2 are fixedly connected through a connecting rod 9, the rotating plate 1 is provided with a groove 7, the groove 7 is provided with a tooth socket 8, the groove 7 is slidably connected with a limiting device 5, the limiting device 5 comprises a sliding seat 508, the sliding seat 508 is slidably connected with the upper end of the rotating plate 1, the sliding seat 508 is slidably connected with a sliding rod 503, the upper end of the sliding rod 503 is fixedly provided with a rotating handle B501, the rotating handle B501 is positioned outside the sliding seat 508, the sliding rod 503 is fixedly provided with a clamping block a507, the sliding seat 508 is provided with a clamping groove 502, the clamping block a507 is slidably connected with the clamping groove 502, the inner wall of the sliding rod 503 is slidably connected with a sliding block B504, the bottom of the sliding block B504 is fixedly provided with a rod 505, the bottom of the rod 505 is fixedly connected with the connecting rod 9, the bottom of the sliding rod 503 is fixedly provided with a clamping block B506, the clamping block B506 is positioned right above the tooth socket 8, the fixture block B506 is matched with the tooth socket 8 to limit the movement of the slide seat 508, so that the position of the drawing pen 6 is further fixed, two groups of the fixing rods 204 and the drawing pen 6 are arranged, the two groups of the fixing rods 204 and the drawing pen 6 are symmetrically distributed at two ends of the rotating plate 1, after the drawing pen 6 is installed, the slide seat 508 is moved, the connecting rod 9 is driven to move left and right through the action of the rod member 505, the drawing length of the drawing pen 6 is adjusted, after the drawing pen 6 is adjusted to a proper position, the rotating handle B501 is rotated, the fixture block A507 and the clamping groove 502 slide, the sliding rod 503 is pressed downwards, the fixture block B506 is matched with the tooth socket 8, the position of the slide seat 508 is fixed, the position of the drawing pen 6 is further fixed, the position of the drawing pen 6 is always maintained without manual operation in the drawing process, and manpower is released.

When the drawing machine works and draws, the rotating handle A201 is rotated to drive the bidirectional threaded rod 203 to rotate; the two groups of clamping plates 202 move relatively, the fixing rod 204 is clamped by the two groups of clamping plates 202, so that the drawing pen 6 is installed, and after the drawing pen is used up, the rotating handle A201 is reversed, so that the two groups of clamping plates 202 are relatively far away, the fixing rod 204 is loosened, and the drawing pen 6 is detached.

After the drawing pen 6 is installed, the sliding seat 508 is moved, the connecting rod 9 is driven to move left and right through the action of the rod piece 505, the drawing length of the drawing pen 6 is adjusted, the drawing pen 6 is adjusted to a proper position, the rotating handle B501 is rotated, the fixture block A507 slides with the clamping groove 502, the sliding rod 503 is pressed down, the fixture block B506 is matched with the tooth groove 8, the position of the sliding seat 508 is fixed, the drawing pen 6 is further fixed, the position of the drawing pen 6 is kept all the time without manual operation in the drawing process, and manpower is liberated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable curve plotter is used in teaching, includes backup pad (3), its characterized in that: backup pad (3) bottom fixed mounting has two sets of friction pads (4), it has commentaries on classics board (1) to articulate in backup pad (3), it is inside to be provided with clamping device (2) to change board (1), clamping device (2) include slider A (205), slider A (205) and commentaries on classics board (1) inner wall sliding connection, threaded connection has two-way threaded rod (203) on slider A (205) inner wall, fixed mounting has change handle A (201) on two-way threaded rod (203), change handle A (201) are located and change board (1) outside, threaded connection has two sets of splint (202) on two-way threaded rod (203), splint (202) press from both sides dead lever (204) in the middle of, fixed mounting has drawing pen (6) on dead lever (204).

2. The mobile teaching curve plotter of claim 1, wherein: the clamping devices (2) are arranged in two groups, the clamping devices (2) are symmetrically distributed on two sides inside the rotating plate (1), and the clamping devices (2) are fixedly connected through a connecting rod (9).

3. The mobile teaching curve plotter of claim 1, wherein: it has recess (7) to set up on commentaries on classics board (1), tooth's socket (8) have been seted up on recess (7), sliding connection has stop device (5) on recess (7), stop device (5) include slide (508), slide (508) and the upper end sliding connection who changes board (1).

4. A mobile teaching curve plotter according to claim 3, characterized in that: sliding connection has slide bar (503) on slide (508), slide bar (503) upper end fixed mounting has turning handle B (501), turning handle B (501) are located slide (508) outside, fixed mounting has fixture block A (507) on slide bar (503), draw-in groove (502) have been seted up on slide (508), fixture block A (507) and draw-in groove (502) sliding connection.

5. The mobile teaching curve plotter of claim 4, wherein: slide bar (503) inner wall sliding connection has slider B (504), the bottom fixed mounting of slider B (504) has member (505), the bottom and connecting rod (9) fixed connection of member (505).

6. The mobile teaching curve plotter of claim 5, wherein: the bottom of the sliding rod (503) is fixedly provided with a fixture block B (506), the fixture block B (506) is located right above the tooth groove (8), two groups of fixing rods (204) and drawing pens (6) are arranged, and the two groups of fixing rods (204) and drawing pens (6) are symmetrically distributed at two ends of the rotating plate (1).