CN209775966U

CN209775966U - multi-function drawing instrument

Info

Publication number: CN209775966U
Application number: CN201822142694.9U
Authority: CN
Inventors: 庄子婕
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2019-12-13
Anticipated expiration: 2028-12-20

Abstract

The utility model provides a multifunctional plotter, including rotary mechanism, rotary mechanism includes the revolving drum, and the lower extreme level of revolving drum lateral wall is provided with first revolving ruler, and one side of first revolving ruler slides and is provided with drawing mechanism, and the lower extreme of opposite side is provided with the second revolving ruler, and the revolving drum lower extreme is provided with positioning mechanism, and positioning mechanism includes the locating lever, and the upper end and the revolving drum of locating lever rotate to be connected, and the lower extreme is provided with the setting element that is used for adsorbing the blackboard, and the one end that the second revolving ruler is close to the revolving drum rotates with the locating lever and links to each other. The utility model discloses can be used to draw the circle of different diameters, the angle of appointed angle or the pitch arc of appointed angle on the blackboard, occupation space is little moreover, is convenient for carry.

Description

Multi-function drawing instrument

Technical Field

The utility model relates to a plotter technical field especially indicates a multi-functional plotter.

Background

In the mathematics teaching process, the mr need draw on the blackboard usually in order to give lessons better, draws, and the drawing relates to circle, straight line, the pitch arc of certain angle etc. but circle or pitch arc are drawn to the compasses that current plotter adopted two supporting legss usually on the blackboard, and the stabilizer blade as the centre of a circle is not fixed well, is drawing the in-process moreover, the diameter of difficult definite circle and the angle of pitch arc.

CN206914006U discloses a plotter for mathematical education, including the drawing mechanism who installs the chalk, realizes the drawing of different diameter circles through the position adjustment of drawing mechanism on moving mechanism, but this plotter can not draw appointed angle or the pitch arc of appointed angle, and current chalk is the round platform structure that the diameter gradually becomes big moreover usually, and the chalk is difficult for fixing during the drawing, takes place easily that the chalk rocks or drops.

Disclosure of Invention

The utility model provides a multifunctional plotter can be used to draw the circle of different diameters, the angle of appointed angle or the pitch arc of appointed angle on the blackboard, and occupation space is little moreover, portable.

The technical scheme of the utility model is realized like this: multifunctional plotter, including rotary mechanism, rotary mechanism includes the rotary drum, the lower extreme level of rotary drum lateral wall is provided with first rotary ruler, one side slip of first rotary ruler is provided with drawing mechanism, the lower extreme of first rotary ruler is provided with the rotary ruler of second, the rotary drum lower extreme is provided with positioning mechanism, positioning mechanism includes the locating lever, the upper end and the rotary drum of locating lever rotate to be connected, the lower extreme is provided with the setting element that is used for adsorbing the blackboard, the one end that the rotary ruler of second is close to the rotary drum rotates with the locating lever and links to each other.

Furthermore, the edge of the upper end of the rotary cylinder is circumferentially provided with angle scales, a vertical connecting piece is arranged on a second rotary ruler outside the rotary cylinder, and the upper end of the connecting piece is connected with an angle pointer.

Further, the connecting piece includes first montant, horizontal pole and second montant, and the lower extreme of first montant links to each other with one side that drawing mechanism was kept away from to the rotatory chi of second, and the upper end links to each other with the one end of horizontal pole, and the other end of horizontal pole links to each other with the lower extreme of second montant, and the upper end of second montant links to each other with the angle pointer.

Further, drawing mechanism is including an installation section of thick bamboo, and the both sides subtend of installation section of thick bamboo lateral wall lower extreme is provided with the locating part, and the locating part is provided with horizontal first spring including setting up in the horizontal section of thick bamboo of installation section of thick bamboo lateral wall, and first spring one end links to each other with horizontal section of thick bamboo, and the other end is provided with first limiting plate, and one side that first spring was kept away from to first limiting plate is provided with the lower extreme and is curved stopper, and the one end that first limiting plate was kept away from to the stopper slides.

Further, a second limiting plate is arranged in the mounting cylinder above the limiting block, and a second spring is arranged between the upper end of the second limiting plate and the mounting cylinder.

Further, be provided with locking screw on the installation section of thick bamboo lateral wall, the level is provided with the bar spout on the first rotatory chi, and the one end that locking screw kept away from the installation section of thick bamboo passes the bar spout, and installs lock nut.

Furthermore, the positioning piece comprises a positioning box connected with the lower end of the positioning rod, and a magnet is arranged in the positioning box.

Furthermore, the second rotary ruler is connected with the positioning rod in a rotating mode through a rotating ring, and a locking screw is arranged on the rotating ring.

The utility model has the advantages that: the utility model discloses a rotatory section of thick bamboo drives first rotatory chi rotatoryly to it draws the circle to drive drawing mechanism on the blackboard, realizes the drawing to different diameter circles through the position of adjustment drawing mechanism on first rotatory chi, the cooperation of angle scale and angle pointer, the appointed contained angle between adjustable first rotatory chi and the second rotatory chi, thereby realizes drawing the angle of appointed angle or the pitch arc of appointed angle on the blackboard.

The utility model adopts opposite locating parts to clamp the side wall of the chalk, thereby avoiding the chalk from shaking in the drawing process to influence the drawing and also avoiding the chalk from falling off from the installation cylinder when the drawing device is folded, and the chalk needs to be additionally installed for the next drawing; the cooperation of second spring and second limiting plate can make the chalk offset with the blackboard all the time at the drawing in-process, avoids along with using, needs frequently adjust the chalk.

The magnetic blackboard is adopted in the existing teaching blackboard, magnets are installed on the positioning box, the drawing device can adsorb on the blackboard, drawing is convenient, and the positioning piece can be designed into a vacuum sucker for the non-magnetic blackboard.

The utility model discloses set up locking screw in the rotation is changed, when the pitch arc of certain angle is drawn to needs for inject the position of the rotatory chi of second, avoid the rotatory chi of second to rock the influence and draw.

The utility model discloses when the plotter was packed up, with first rotatory chi receipts to second rotatory chi and horizontal pole between, unscrew lock nut, rotatory installation section of thick bamboo to horizontal position, screws up locking screw, occupation space is little, portable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 front view of the present invention;

Fig. 2 is a top view of the present invention;

FIG. 3 is a schematic structural diagram of a drawing mechanism;

FIG. 4 is a schematic structural view of the positioning mechanism;

Fig. 5 is a schematic structural view of the connector.

The chalk box comprises a rotating cylinder 1, a first rotating ruler 2, a drawing mechanism 3, a second rotating ruler 4, a positioning rod 5, a limiting disc 6, a baffle 7, a rotating ring 8, a locking screw 9, angle scales 10, a connecting piece 11, an angle pointer 12, a first vertical rod 13, a cross rod 14, a second vertical rod 15, an installation cylinder 16, a cross cylinder 17, a first spring 18, a first limiting plate 19, a limiting block 20, a second limiting plate 21, a second spring 22, a locking screw 23, a bar-shaped sliding groove 24, a locking nut 25, a positioning box 26, a magnet 27, length scales 28, a rotating handle 29 and chalk 30.

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 any creative effort belong to the protection scope of the present invention.

as shown in fig. 1-5, the multifunctional plotter comprises a rotating mechanism, the rotating mechanism comprises a rotating cylinder 1, a first rotating ruler 2 is horizontally fixed at the lower end of the side wall of the rotating cylinder 1, a plotting mechanism 3 is slidably arranged on one side of the first rotating ruler 2 close to the 28-line length scale, a second rotating ruler 4 is arranged at the lower end of the first rotating ruler 2, a positioning mechanism is arranged at the lower end of the rotating cylinder 1, the positioning mechanism comprises a positioning rod 5, a limiting disc 6 is fixed at the upper end of the positioning rod 5, the lower end of the rotating cylinder is rotatably connected with a positioning piece used for adsorbing a blackboard through a baffle 7, and the baffle 7 is fixedly connected with the rotating cylinder.

One end of the second rotary ruler 4 close to the rotary cylinder 1 is rotatably connected with the positioning rod 5 through a rotary ring 8 sleeved on the positioning rod 5, and a locking screw 9 is arranged on the rotary ring 8 and used for limiting the rotation angle of the second rotary ruler 4. The edge of the upper end of the rotary cylinder 1 is circumferentially provided with angle scales 10, a vertical connecting piece 11 is fixed on the second rotary ruler 4 outside the rotary cylinder 1, and an angle pointer 12 is fixedly connected to the upper end of the connecting piece 11. Connecting piece 11 includes first montant 13, horizontal pole 14 and second montant 15, the lower extreme of first montant 13 is fixed continuous with one side that drawing mechanism 3 was kept away from to second rotary ruler 4, the upper end is fixed continuous with the one end of horizontal pole 14, the other end of horizontal pole 14 is fixed continuous with the lower extreme of second montant 15, the upper end of second montant 15 links to each other with angle pointer 12, the length of horizontal pole 14 equals the width of first rotary ruler 2, the width of first rotary ruler 2 and second rotary ruler 4 is the same, the height that highly is higher than first rotary ruler 2 of first montant 13, one side that first rotary ruler 2 was provided with drawing mechanism 3 aligns with the zero degree scale.

The drawing mechanism 3 includes an installation barrel 16, limiting parts are oppositely arranged on two sides of the lower end of the side wall of the installation barrel 16, the limiting parts include a transverse barrel 17 fixed on the side wall of the installation barrel 16, a transverse first spring 18 is arranged in the transverse barrel 17, one end of the first spring 18 is connected with the transverse barrel 17, a first limiting plate 19 fixedly connected with the other end of the first spring, a limiting block 20 with a lower end being arc-shaped is fixed on one side of the first limiting plate 19 far away from the first spring 18, and one end of the limiting block 20 far away from the first limiting plate 19 is arranged in the installation. A second limiting plate 21 is arranged in the mounting tube 16 above the limiting block 20, and the upper end of the second limiting plate 21 is connected with the mounting tube 16 through a second spring 22. A locking screw 23 is fixed on the side wall of the installation cylinder 16, a bar-shaped sliding groove 24 is horizontally arranged on the first rotary ruler 2, and one end, far away from the installation cylinder 16, of the locking screw 23 penetrates through the bar-shaped sliding groove 24 and is provided with a locking nut 25.

The positioning member includes a positioning box 26 connected to the lower end of the positioning rod 5, and a magnet 27 is fixed in the positioning box 26. The upper ends of the first rotary ruler 2 and the second rotary ruler 4 are provided with length scales 28 along the horizontal direction at one side close to the drawing mechanism 3. A rotary handle 29 is fixed at the upper end of the rotary cylinder 1, and the rotary cylinder 1, the positioning rod 5 and the positioning box 26 are on the same axis.

The application method of the embodiment comprises the following steps: inserting the upper end of the chalk 30 into the mounting tube 16, enabling the limiting blocks 20 to move towards the two sides of the mounting tube 16 along with the insertion of the chalk 30, enabling the upper end of the chalk 30 to abut against the second limiting plate 21, and enabling the two limiting blocks 20 to abut against the two sides of the chalk 30 respectively to complete the mounting of the chalk 30; the plotter is arranged on the magnetic blackboard through the positioning piece, for the non-magnetic blackboard, the positioning piece can be designed into a vacuum sucker, the upper end of the chalk 30 pushes the second spring 22 to compress, so that the chalk 30 is abutted against the magnetic blackboard, the locking screw 9 is unscrewed, the rotating cylinder 1 is driven to rotate through the rotating handle 29, the rotating cylinder 1 drives the first rotating ruler 2 and the second rotating ruler 4 to rotate, so that the drawing mechanism 3 is driven to draw circles, and the position of the mounting cylinder 16 can be adjusted along the strip-shaped sliding groove 24 by unscrewing the locking nut 25, so that circles with different diameters can be drawn; when needs draw certain angle or certain angle's pitch arc, along the rotatory second rotary ruler 4 of locating lever 5, the directional required scale of angle pointer 12, then tighten locking screw 9, draw the angle line along one side that first rotary ruler 2 and second rotary ruler 4 are close to the scale mark, accomplish certain angle and draw, perhaps drive one side rotation to the position of angle pointer 12 that first rotary ruler 2 is close to the scale mark through rotatory handle 29, accomplish the drawing of certain angle pitch arc.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. multi-functional plotter, its characterized in that: comprises a rotating mechanism, the rotating mechanism comprises a rotating cylinder (1), a first rotating ruler (2) is arranged at the lower end of the side wall of the rotating cylinder (1), a drawing mechanism (3) is arranged at one side of the first rotating ruler (2) in a sliding manner, a second rotating ruler (4) is arranged at the lower end of the first rotating ruler (2), a positioning mechanism is arranged at the lower end of the rotating cylinder (1), the positioning mechanism comprises a positioning rod (5), the upper end of the positioning rod (5) is rotatably connected with the rotating cylinder (1), a positioning part for adsorbing a blackboard is arranged at the lower end, one end, close to the rotating cylinder (1), of the second rotating ruler (4) is rotatably connected with the positioning rod (5), the second rotating ruler (4) is rotatably connected with the positioning rod (5) through a rotating ring (8), a locking screw (9) is arranged on the rotating ring (8), the drawing mechanism (3) comprises an installation cylinder (16), and limiting parts are oppositely arranged at two sides, the limiting part comprises a transverse barrel (17) arranged on the side wall of the installation barrel (16), a transverse first spring (18) is arranged in the transverse barrel (17), one end of the first spring (18) is connected with the transverse barrel (17), the other end of the first spring is provided with a first limiting plate (19), one side, away from the first spring (18), of the first limiting plate (19) is provided with a limiting block (20) with an arc-shaped lower end, one end, away from the first limiting plate (19), of the limiting block (20) is arranged in the installation barrel (16) in a sliding mode, a second limiting plate (21) is arranged in the installation barrel (16) above the limiting block (20), and a second spring (22) is arranged between the upper end of the second limiting plate (21) and the installation.

2. A multi-function plotter according to claim 1, characterized in that: the edge of the upper end of the rotary cylinder (1) is circumferentially provided with angle scales (10), a vertical connecting piece (11) is arranged on the second rotary ruler (4) on the outer side of the rotary cylinder (1), and the upper end of the connecting piece (11) is connected with an angle pointer (12).

3. A multi-function plotter according to claim 2, characterized in that: connecting piece (11) include first montant (13), horizontal pole (14) and second montant (15), and the lower extreme of first montant (13) links to each other with one side that drawing mechanism (3) were kept away from in second rotary ruler (4), and the upper end links to each other with the one end of horizontal pole (14), and the other end of horizontal pole (14) links to each other with the lower extreme of second montant (15), and the upper end of second montant (15) links to each other with angle pointer (12).

4. A multi-function plotter according to claim 1, characterized in that: a locking screw rod (23) is arranged on the side wall of the mounting cylinder (16), a strip-shaped sliding groove (24) is formed in the first rotary ruler (2), one end, far away from the mounting cylinder (16), of the locking screw rod (23) penetrates through the strip-shaped sliding groove (24), and a locking nut (25) is mounted.

5. A multi-function plotter according to claim 1, characterized in that: the positioning piece comprises a positioning box (26) connected with the lower end of the positioning rod (5), and a magnet (27) is arranged in the positioning box (26).