CN211808713U

CN211808713U - Multifunctional plotter for advanced mathematics

Info

Publication number: CN211808713U
Application number: CN202020121498.8U
Authority: CN
Inventors: 张华�
Original assignee: Zhengzhou Preschool Education College
Current assignee: Zhengzhou Preschool Education College
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-30
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a higher mathematics multifunctional plotter, including the calibrated scale, calibrated scale downside center is connected with the support column, the sucking disc is installed to the lower extreme of support column, the upper portion of support column articulates there is first flexible subassembly, flexible subassembly includes a plurality of sleeve pipe, sliding connection between the adjacent sleeve pipe, sleeve pipe upside and downside symmetry extrusion are fluted, be provided with the rubber strip in the recess of sleeve pipe upside, the left end front side of sleeve pipe is provided with the slider, the front side middle part of sleeve pipe is provided with the slide opening, the right-hand member upside of the slide pipe in first flexible subassembly left side is provided with the pointer, support column lower part right side is fixed with second flexible subassembly, the right-hand member downside of the sleeve pipe on first flexible subassembly right side is fixed with the connecting rod, the connecting rod lower extreme is fixed with chalk propulsion assembly, the right; the utility model has the advantages of simple structure, quick adjustment, convenient operation, high drawing efficiency, stable lines and convenient carrying.

Description

Multifunctional plotter for advanced mathematics

Technical Field

The utility model belongs to teaching aid field, in particular to multi-functional plotter of advanced mathematics.

Background

In the process of mathematical teaching, drawing is a teaching means frequently used by teachers, which can visually present visual effects which cannot be brought to numbers and formulas of students, thereby facilitating comprehension of students, among the current drawing tools required by designers and teaching in daily life, a ruler, a set square, compasses, a protractor and the like are provided, but the ruler, the set square, the compasses and the protractor are usually separated, drawing tools need to be continuously replaced during use, the operation is troublesome, so that drawing is a very painful thing for teachers, meanwhile, the current drawing tools are large and inconvenient to carry, the current multifunctional plotter adopts a plastic pipe, the flexibility of the plastic pipe is utilized to enable the plastic pipe to be contracted, the plastic pipe can be easily carried through matching with a flexible steel wire, however, the method needs to be manually straightened, and when drawing lines to the right, need carry out the operation of flare-outing with the right hand, and can only take the chalk with the left hand and carry out the drawing, this makes the operation inconvenient, when the shake takes place for the right hand simultaneously, then can lead to the straight line to take place to buckle to influence drawing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high mathematics multifunctional plotter has simple structure, adjusts fast, convenient operation, drawing efficient, the stable just portable's of lines advantage.

In order to achieve the above object, the utility model provides a following technical scheme: the multifunctional plotter for higher mathematics comprises a dial, wherein the upper side of the dial is marked with angle scales, the center of the lower side of the dial is connected with a support column, the lower end of the support column is fixed with a support plate, the lower side of the support plate is provided with a sucker, the upper part of the support column is hinged with a first telescopic component, the first telescopic component comprises a plurality of sleeves, adjacent sleeves are in sliding connection, the upper side and the lower side of each sleeve are symmetrically provided with a groove through extrusion molding, a rubber strip is arranged in the groove on the upper side of the sleeve, the front side of the left end of the sleeve is provided with a slide block, the middle part of the front side of the sleeve is provided with a slide hole, the slide block slides inside the slide hole, the upper side of the right end of the slide pipe on the left side of the first telescopic component is, the chalk propelling device is characterized in that the second telescopic assembly and the first telescopic assembly are identical in structure, a connecting rod is fixed to the lower side of the right end of a sleeve on the right side of the first telescopic assembly, a chalk propelling assembly is fixed to the lower end of the connecting rod, the chalk propelling assembly comprises an outer sleeve, a spring is connected to the upper wall of the inner side of the outer sleeve, the lower end of the spring is connected with a chalk sleeve, the chalk sleeve is connected with the outer sleeve in a sliding mode, an elastic chuck is connected to the lower end of the chalk sleeve, a fastening sleeve is meshed with the outer side of the elastic chuck through threads, and the lower side of the right end of the.

Preferably, the dial and the support plate are both circular plates, and the dial and the support plate have the same diameter.

Preferably, the upper sides of the sleeves are provided with length scale marks.

Preferably, a protecting sleeve is arranged on the inner side of the elastic chuck, and the protecting sleeve is made of rubber materials.

Preferably, the grooves between two adjacent sleeves are matched and connected in a sliding mode.

Preferably, the sliding block is bonded with the sleeve through glue, and the rubber strip is bonded with the groove on the upper side of the sleeve through glue.

Preferably, the height of the slider is the same as the wall thickness of the sleeve.

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

the utility model discloses a first flexible subassembly and the flexible subassembly of second can realize sharp drawing, simultaneously through rotatory first flexible subassembly, then form arbitrary angle with the flexible subassembly of second, then need the angle that can draw arbitrary angle of the flexible subassembly of second mutually supporting, thereby draw the triangle-shaped of arbitrary shape, length through flexible first flexible subassembly, then rotate, can draw arbitrary diameter's circle like this, simultaneously through setting up chalk propulsion assembly, can make the lower extreme of chalk contact with the blackboard all the time, can make the lines of drawing more stable like this, simultaneously the utility model discloses simple structure, convenient operation is swift, and is suitable for using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the chalk propelling assembly of the present invention.

Fig. 3 is a left side view structural diagram of the sleeve of the present invention.

Fig. 4 is a partial a enlarged view of the present invention.

In the figure: 1. the chalk propelling device comprises a dial plate, 2, a supporting column, 3, a supporting plate, 4, a sucking disc, 5, a first telescopic component, 51, a sleeve, 52, a sliding hole, 53, a groove, 54, a rubber strip, 55, a sliding block, 56, a supporting rod, 57, a pointer, 6, a second telescopic component, 7, a connecting rod, 8, a chalk propelling component, 81, an outer sleeve, 82, a spring, 83, a chalk sleeve, 84, an elastic chuck, 85 and a fastening sleeve.

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. 1-4, the present embodiment provides a multifunctional plotter for advanced mathematics, which includes a dial 1, the dial 1 has angle scales marked on the upper side thereof, a support column 2 is connected to the center of the lower side of the dial 1, a support plate 3 is fixed to the lower end of the support column 2, a suction cup 4 is installed on the lower side of the support plate 3, a first telescopic assembly 5 is hinged to the upper portion of the support column 2, the first telescopic assembly 5 includes a plurality of sleeves 51, adjacent sleeves 51 are slidably connected, grooves 53 are symmetrically formed by extrusion on the upper and lower sides of the sleeves 51, a rubber strip 54 is disposed in the groove 53 on the upper side of the sleeve 51, a slider 55 is disposed on the front side of the left end of the sleeve 51, a slide hole 52 is disposed in the middle of the front side of the sleeve 51, the slider 55 slides inside the slide hole 52, a support rod 56 is fixed on the upper, the utility model discloses a chalk propelling device, including bracing piece 56, support column 56, connecting rod 7, chalk propelling component 8, bracing piece 56 upper end left side is fixed with pointer 57, support column 56 lower part right side is fixed with second telescopic component 6, second telescopic component 6 and first telescopic component 5's structure is the same completely, the right-hand member downside of sleeve pipe 51 on first telescopic component 5 right side is fixed with connecting rod 7, the connecting rod 7 lower extreme is fixed with chalk propelling component 8, chalk propelling component 8 includes overcoat 81, overcoat 81 inboard upper wall is connected with spring 82, spring 82 lower extreme is connected with chalk cover 83, chalk cover 83 and overcoat 81 sliding connection, the lower extreme of chalk cover 83 is connected with collet 84, the collet 84 outside has fastening sleeve 85 through the threaded engagement, the right-hand member downside of second telescopic component 6 is connected with chalk.

In order to measure the rotation angle of the first telescopic assembly 5 through the dial 1, in the present embodiment, it is preferable that the dial 1 and the support plate 3 are both circular plates, and the dial 1 and the support plate 3 have the same diameter.

In order to measure the length of the lines drawn by the first telescopic assembly 5 and the second telescopic assembly 6, it is preferable that the upper side of the sleeve 51 is provided with length scale marks.

In order to protect the chalk and prevent the elastic clamping head 84 from clamping the chalk, it is preferable that a protective sleeve made of rubber material is arranged inside the elastic clamping head 84.

In order to ensure that the groove 53 of the right sleeve 51 slides inside the groove 53 of the left sleeve, it is preferable that the grooves 53 between two adjacent sleeves 51 are matched and connected in a sliding manner.

In order to fixedly connect the sliding block 55 with the sleeve 51 and fixedly connect the rubber strip 54 with the groove 53 on the upper side of the sleeve 51, so that when the sleeve 51 slides, friction is increased through the rubber strip 54 to ensure the stability of the drawing of the first telescopic assembly 5 and the second telescopic assembly 6, preferably, the sliding block 55 is bonded with the sleeve 51 through glue, and the rubber strip 54 is bonded with the groove 53 on the upper side of the sleeve 51 through glue.

In order to avoid the slider 55 from affecting the sliding of the sleeve 51, it is preferable that the height of the slider 55 is the same as the wall thickness of the sleeve 51.

The utility model discloses a theory of operation: when the chalk is used, firstly, chalk is put into the chalk sleeve 83, then the elastic chuck 84 is fastened by the fastening sleeve 85, then the sucker 4 is sucked to a drawing area on a blackboard, when a circle or an arc needs to be drawn, the second telescopic component 6 only needs to be contracted, then the sleeve 51 of the first telescopic component 5 is pulled out, according to the scale marks on the sleeve 51, the length of the scale marks is the diameter of the circle or the arc, then the first telescopic component 5 is rotated, the angle of the pointer 57 on the first telescopic component 5 pointing to the dial 1 is subtracted by the initial angle, namely the angle of the arc, the rubber strip 54 arranged on the upper side of the sliding tube 51 can increase the sliding friction force between the two adjacent sleeves 51, so that when the circle or the arc is drawn, the two adjacent sleeves cannot move relatively, the stability of the circle or the arc is ensured, the quality of drawing the arc or the circle is ensured, when a straight line needs to be drawn, only need outwards stimulate the flexible subassembly 6 of second can, draw the line segment of required length according to the scale mark, when triangle-shaped is drawn to needs, at first utilize the flexible subassembly 6 of second to draw a line segment, then utilize the rotatory certain angle of first flexible subassembly 5 to draw another line segment, then with the third limit fill in, just so draw the triangle-shaped of arbitrary shape, simultaneously when ruling, the elasticity of the inboard spring 82 of overcoat 81 provides thrust for chalk cover 83 all the time, thereby make the chalk and produce pressure between the blackboard all the time, make the lines that the chalk was drawn more stable, use the flexible subassembly 6 shrink of second with first flexible subassembly 5 after finishing, thereby make the utility model discloses portable.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high mathematics multifunctional plotter, includes the calibrated scale, its characterized in that: the novel multifunctional ruler is characterized in that angle scales are marked on the upper side of the dial, a support column is connected to the center of the lower side of the dial, a support plate is fixed to the lower end of the support column, a sucker is installed on the lower side of the support plate, a first telescopic assembly is hinged to the upper portion of the support column and comprises a plurality of sleeves, adjacent sleeves are connected in a sliding mode, grooves are symmetrically formed in the upper side and the lower side of each sleeve through extrusion, rubber strips are arranged in the grooves in the upper side of the sleeves, a sliding block is arranged on the front side of the left end of each sleeve, a sliding hole is formed in the middle of the front side of each sleeve and slides inside the corresponding sliding hole, a support rod is fixed to the upper side of the right end of a sliding pipe on the left side of the first telescopic assembly, a pointer is fixed to the left side of the, the chalk propelling device is characterized in that a connecting rod is fixed to the lower side of the right end of the sleeve on the right side of the first telescopic assembly, a chalk propelling assembly is fixed to the lower end of the connecting rod and comprises an outer sleeve, a spring is connected to the upper wall of the inner side of the outer sleeve, the lower end of the spring is connected with a chalk sleeve, the chalk sleeve is connected with the outer sleeve in a sliding mode, an elastic chuck is connected to the lower end of the chalk sleeve, a fastening sleeve is meshed with the outer side of the elastic chuck through threads, and the lower side of the right end of the second telescopic assembly.

2. A advanced mathematics multi-function plotter according to claim 1, characterized in that: the dial and the support plate are circular plates, and the diameters of the dial and the support plate are the same.

3. A advanced mathematics multi-function plotter according to claim 1, characterized in that: the upper side of the sleeve is provided with length scale marks.

4. A advanced mathematics multi-function plotter according to claim 1, characterized in that: a protective sleeve is arranged on the inner side of the elastic chuck and made of rubber materials.

5. A advanced mathematics multi-function plotter according to claim 1, characterized in that: the grooves between two adjacent sleeves are matched and connected in a sliding mode.

6. A advanced mathematics multi-function plotter according to claim 1, characterized in that: the sliding block is bonded with the sleeve through glue, and the rubber strip is bonded with the groove in the upper side of the sleeve through the glue.

7. A advanced mathematics multi-function plotter according to claim 1, characterized in that: the height of the slide block is the same as the wall thickness of the sleeve.