CN210706651U

CN210706651U - Be applied to instrument of mathematics plot

Info

Publication number: CN210706651U
Application number: CN201921687835.3U
Authority: CN
Inventors: 秦金源
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-09
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a be applied to instrument of mathematics drawing point, which comprises a frame, the surface of frame is equipped with the scale, the cavity has been seted up to the inside of frame, first spout and second spout have been seted up to the inner wall of cavity, first spout and second spout are linked together, the equal sliding clamping of inner wall of first spout and second spout has first slider. Through the cooperation of first branch and second branch, first branch and second branch can slide in the recess, herein first slider can slide at the inner wall of first spout and second spout simultaneously, the position of finding the point that can be quick through the position of adjusting first branch and second branch tip, cooperation through the lantern ring and rubber circle, the chalk of usefulness of will writing is pegged graft in the rubber circle, after the position of confirming the point, rotate the chalk and draw the point, high durability and convenient operation, can find the position of point fast, avoid drawing the position of wrong point at the teaching in-process of drawing the coordinate axis repeatedly, therefore, the practicability is strong.

Description

Be applied to instrument of mathematics plot

Technical Field

The utility model relates to an use mathematics technical field, concrete field is an instrument of being applied to mathematics drawing point.

Background

In mathematical education, the teacher draws the coordinate axis when learning the knowledge relevant with the coordinate axis, draws corresponding point, draws corresponding straight line or curve according to the position of drawing the point, carry out relevant knowledge's study and rehearsal, need draw the position of coordinate axis and point repeatedly at the in-process of explaining repeatedly and studying, the teacher need aim at the coordinate axis position of getting the point when getting the position of point, but the position of alignment point that can't be accurate easily among the in-process of actual operation, lead to delaying the time of teaching, the practicality is poor.

Disclosure of Invention

An object of the utility model is to provide a be applied to instrument of mathematics plot 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: a tool applied to mathematical drawing points comprises a frame, wherein scales are arranged on the surface of the frame, a cavity is formed in the frame, a first sliding groove and a second sliding groove are formed in the inner wall of the cavity, the first sliding groove is communicated with the second sliding groove, a first sliding block is connected to the inner walls of the first sliding groove and the second sliding groove in a sliding and clamping mode, a groove is formed in the surface of the first sliding groove, a first supporting rod is connected to the inner wall of the groove in an inserting mode and close to the first sliding groove in an inserting mode, a second supporting rod is connected to the inner wall of the groove in an inserting mode and close to the second sliding groove in an inserting mode, a first arc-shaped frame is rotatably assembled at two ends of the second supporting rod, a second sliding block is installed at two ends of the first supporting rod, a second arc-shaped frame is arranged on the outer side of the second sliding block, an arc-shaped sliding groove is formed in the outer wall of the second arc-shaped frame in a clamping, the other end of connecting block is fixed to be equipped with the lantern ring, the inner wall of lantern ring is fixed to be equipped with the rubber circle.

Preferably, the fixed spacing ring that is equipped with in side of first arc frame, the inner wall of spacing ring runs through there is the pull rod, the one end fixed assembly that the pull rod is close to the frame is equipped with the dog, the outer wall of pull rod has cup jointed the spring, the spring is located between spacing ring and the dog, the other end fixed assembly of pull rod has the ejector pin, one side fixed assembly that the ejector pin is close to the frame is equipped with the push rod, first through-hole, two have all been seted up to the medial surface both sides of second arc frame first through-hole all is linked together with the arc spout, the lantern ring is close to two the second through-hole has all been seted up to the both sides of first through-hole, the push rod runs through adjacently first through-.

Preferably, the surface of the first support rod and the surface of the second support rod are fixedly provided with pointers.

Preferably, the four corners of the frame are fixedly provided with magnets.

Preferably, one side of the ejector rod close to the first arc-shaped frame is fixedly provided with two rubber blocks, and the two rubber blocks are distributed on two sides of the ejector rod.

Compared with the prior art, the beneficial effects of the utility model are that: a tool applied to mathematical point drawing is characterized in that a frame is matched with scales on the surface, the frame is in a cross shape, the frame is simulated into a coordinate axis, the position of a corresponding point can be quickly found through the scales on the surface, the first supporting rod and the second supporting rod can slide in a groove through the matching of a first sliding groove and a second sliding groove, the position of the point can be quickly found through the matching of a first supporting rod and a second supporting rod through the matching of a first sliding block and the groove, meanwhile, the first sliding block can slide on the inner wall of the first sliding groove and the second sliding groove, the position of the point can be quickly found through adjusting the positions of the end parts of the first supporting rod and the second supporting rod, chalk for writing is inserted into a rubber ring through the matching of a lantern ring and the rubber ring, after the position of the point is determined, the chalk is rotated to draw the point, the operation is convenient, the position of the point can be quickly found, and the position of the point can be prevented from being drawn, the practicability is strong.

Drawings

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

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the first arc frame and the second arc frame of the present invention

Fig. 4 is a schematic structural view of a first arc-shaped frame of the present invention;

fig. 5 is a schematic structural view of a second arc-shaped frame of the present invention;

fig. 6 is a schematic structural diagram of the first slider and the groove of the present invention.

In the figure: 1-frame, 2-first chute, 3-second chute, 4-first slide block, 5-groove, 6-first support rod, 7-second support rod, 8-first arc frame, 9-second slide block, 10-arc chute, 11-second arc frame, 12-connecting block, 13-lantern ring, 14-rubber ring, 15-spacing ring, 16-pull rod, 17-stop block, 18-spring, 19-top rod, 20-push rod, 21-rubber block, 22-first through hole, 23-second through hole, 24-pointer and 25-magnet.

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. 1-6, the present invention provides a technical solution: a tool applied to mathematical drawing points comprises a frame 1, wherein scales are arranged on the surface of the frame 1, a cavity is formed in the frame 1, a first sliding groove 2 and a second sliding groove 3 are formed in the inner wall of the cavity, the first sliding groove 2 is communicated with the second sliding groove 3, a first sliding block 4 is connected to the inner walls of the first sliding groove 2 and the second sliding groove 3 in a sliding and clamping manner, a groove 5 is formed in the surface of the first sliding groove 4, a first supporting rod 6 is connected to the inner wall of the groove 5 close to the first sliding groove 2 in an inserting manner, a second supporting rod 7 is connected to the inner wall of the groove 5 close to the second sliding groove 3 in an inserting manner, a first arc-shaped frame 8 is rotatably assembled at the two ends of the second supporting rod 7, second sliding blocks 9 are respectively installed at the two ends of the first supporting rod 6, a second arc-shaped frame 11 is arranged on the outer side of the second sliding block 9, an arc-shaped sliding groove 10 is formed in the outer wall of the second arc-shaped, the other end of the connecting block 12 is fixedly provided with a lantern ring 13, and the inner wall of the lantern ring 13 is fixedly provided with a rubber ring 14.

The frame 1 is in a cross shape, the scale on the surface is a length unit, the frame 1 is used for simulating a coordinate axis, when a point is drawn in a first quadrant, the first arc-shaped frame 8 and the second arc-shaped frame 11 are pulled firstly, the first arc-shaped frame 8 and the second arc-shaped frame 11 are combined into a circular ring shape, chalk is inserted into the rubber ring 14 on the lantern ring 13, the rubber ring 14 is deformed to fix the chalk, meanwhile, the positions of the first arc-shaped frame 8 and the second arc-shaped frame 11 are pulled, the positions of the first supporting rod 6 and the second supporting rod 7 on the scale of the frame 1 are compared, so that the position of the point can be rapidly drawn, when the first arc-shaped frame 8 and the second arc-shaped frame 11 are pulled upwards or downwards in the direction shown in figure 1, the first sliding block 4 positioned in the second sliding chute 3 moves on the inner wall of the second sliding chute 3, at the moment, the first supporting rod 6 moves in the groove 5 positioned in the first sliding chute 2, when moving about, first branch 6 drives first slider 4 and removes in first spout 2, and second branch 7 moves in recess 5 simultaneously, when drawing some in the quadrant of difference, pull between first branch 6 and the second branch 7, rotate first arc frame 8 simultaneously, or pull second arc frame 11, make the inner wall of arc spout 10 remove at the outer wall of second slider 9, make first arc frame 8 splice together with second arc frame 11, form the ring, the convenient quick position of finding the point.

Particularly, the fixed spacing ring 15 that is equipped with in side of first arc frame 8, the inner wall of spacing ring 15 runs through there is pull rod 16, pull rod 16 is close to the fixed dog 17 that is equipped with of one end of frame 1, spring 18 has been cup jointed to pull rod 16's outer wall, spring 18 is located between spacing ring 15 and the dog 17, pull rod 16's the fixed ejector pin 19 that is equipped with of the other end, ejector pin 19 is close to the fixed push rod 20 that is equipped with in one side of frame 1, first through-hole 22 has all been seted up to the medial surface both sides of second arc frame 11, two first through-holes 22 all are linked together with arc spout 10, second through-hole 23 has all been seted up to the both sides that lantern ring 13 is close to two first through-holes 22, push rod.

In the in-process of using, often when the same quadrant is drawn some, with first arc frame 8 and the laminating back together of second arc frame 11, pull ejector pin 19, insert first through-hole 22 and second through-hole 23 simultaneously with ejector pin 19, ejector pin 19 promotes rubber ring 14 and takes place deformation, strengthen the fixed to the chalk, spring 18 takes place elastic deformation because of the elastic property of self this moment, promote dog 17 and promote to the one side of keeping away from spacing ring 15, the outer wall of the early second arc frame 11 of pulling pull rod 16 drive ejector pin 19 laminating, fix between first arc frame 8 and the second arc frame 11, strengthen fixedly to the chalk simultaneously, and convenient to use, can be in the quick removal of the within range of same quadrant after fixed.

Specifically, the surfaces of the first and

second struts

6 and 7 are fixedly fitted with pointers 24.

Pointer 24 can point to the scale in the quick travel process of branch, facilitates the use.

Specifically, magnets 25 are fixedly mounted to four corners of the bezel 1.

The magnet 25 enables the frame 1 to be attached to the blackboard, and is convenient to fix.

Specifically, one side of the ejector rod 19 close to the first arc-shaped frame 8 is fixedly provided with two rubber blocks 21, and the rubber blocks 21 are distributed on two sides of the ejector rod 19.

The rubber block 21 can reduce the collision between the ejector rod 19 and the second arc frame 11.

The working principle is as follows: frame 1 is cross shape, the scale on surface is the length unit, frame 1 is used for simulating the coordinate axis, when drawing the point in first quadrant, pull first arc frame 8 and second arc frame 11 earlier, make up into a ring shape with first arc frame 8 and second arc frame 11, peg graft the chalk on lantern ring 13 in rubber circle 14, rubber circle 14 takes place deformation, fix the chalk, pull the position of first arc frame 8 and second arc frame 11 simultaneously, contrast first branch 6 and the position of second branch 7 on frame 1 scale, thereby the position of drawing the point that can be quick.

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 be applied to instrument of mathematics plot, includes the frame, its characterized in that: the surface of the frame is provided with scales, a cavity is arranged in the frame, a first sliding groove and a second sliding groove are arranged on the inner wall of the cavity, the first sliding groove is communicated with the second sliding groove, the inner walls of the first sliding groove and the second sliding groove are respectively connected with a first sliding block in a sliding and clamping manner, a groove is arranged on the surface of the first sliding groove, a first supporting rod is inserted into the inner wall of the groove close to the first sliding groove, a second supporting rod is inserted into the inner wall of the groove close to the second sliding groove, both ends of the second supporting rod are respectively rotatably assembled with a first arc-shaped frame, both ends of the first supporting rod are respectively provided with a second sliding block, a second arc-shaped frame is arranged on the outer side of the second sliding block, the outer wall of the second arc-shaped frame is provided with an arc-shaped sliding groove, the second sliding block is clamped into the same arc-shaped sliding groove, and, the other end of connecting block is fixed to be equipped with the lantern ring, the inner wall of lantern ring is fixed to be equipped with the rubber circle.

2. A tool for mathematical pointing according to claim 1, characterized in that: the fixed spacing ring that is equipped with in side of first arc frame, the inner wall of spacing ring runs through there is the pull rod, the one end fixed assembly that the pull rod is close to the frame is equipped with the dog, the spring has been cup jointed to the outer wall of pull rod, the spring is located between spacing ring and the dog, the other end fixed assembly of pull rod has the ejector pin, one side fixed assembly that the ejector pin is close to the frame is equipped with the push rod, first through-hole, two have all been seted up to the medial surface both sides of second arc frame first through-hole all is linked together with the arc spout, the lantern ring is close to two the second through-hole has all been seted up to the both sides of first through-hole, the push rod runs through adjacently.

3. A tool for mathematical pointing according to claim 1, characterized in that: and pointers are fixedly assembled on the surfaces of the first supporting rod and the second supporting rod.

4. A tool for mathematical pointing according to claim 1, characterized in that: and magnets are fixedly assembled at four corners of the frame.

5. A tool for mathematical pointing according to claim 2, characterized in that: one side of the ejector rod close to the first arc-shaped frame is fixedly provided with two rubber blocks, and the two rubber blocks are distributed on two sides of the ejector rod.