CN209999966U

CN209999966U - novel mathematics ruler

Info

Publication number: CN209999966U
Application number: CN201920638050.0U
Authority: CN
Inventors: 茅伟博
Original assignee: Mao Weibo
Current assignee: Mao Weibo
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-31
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to a learning tools technical field, and novel mathematics ruler is disclosed, including the straight chi board, the bar groove has been seted up along its length direction to the upside of straight chi board, the inside horizontal fixation in bar groove is equipped with slide bar, the pole wall slip of slide bar sets up the slider, and the lateral wall sliding connection in slider and bar groove, the fixed connecting block that is equipped with of upside of slider, side that the slider was kept away from to the connecting block extends to the outside in bar groove and fixes and be equipped with arc card pen plate, the downside of straight chi board is seted up flutedly, the inside of recess is equipped with the protractor, the fixed movable plate that is equipped with of horizontal part of protractor, the inside left and right sides of recess all is equipped with the second slide bar, the upper end of two second slide bars all with the tank bottom department fixed connection of recess, the lower surface left and right sides of movable plate all through the slide opening respectively with the pole wall sliding connection of two second slide bars.

Description

novel mathematics ruler

Technical Field

The utility model relates to a learning tools technical field especially relates to novel mathematics ruler.

Background

Mathematics is science for researching real world space form and quantity relationship, is divided into elementary mathematics and advanced mathematics, is very extensive in scientific development and modern life production, is in the transition stage of starting and ending, and has irreplaceable effect on learning of other disciplines.

Need draw various geometric figure in elementary mathematics and advanced mathematics, used the ruler when drawing, present student is when using the ruler drawing, often can make the oil of a brush glue and cover the scale mark of ruler in the edge of ruler to influence the student and measure the line length of drawing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art student when using the ruler to draw, often can make the pen oil glue and cover the scale mark of ruler in the edge of ruler to influence the problem of student's measuring line length of drawing, and the novel mathematics ruler of kinds that propose.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

novel mathematics ruler, including the ruler board, the bar groove has been seted up along its length direction to the upside of ruler board, the inside horizontal fixation in bar groove is equipped with the slide bar, the pole wall of slide bar slides and sets up the slider, and the lateral wall sliding connection in slider and bar groove, the fixed connecting block that is equipped with of upside of slider, side that the slider was kept away from to the connecting block extends to the outside in bar groove and fixes and be equipped with arc card pencils, the downside of ruler board is seted up flutedly, the inside of recess is equipped with the protractor, the horizontal part of protractor is fixed and is equipped with the movable plate, the inside left and right sides of recess all is equipped with the second slide bar, two the upper end of second slide bar all with the tank department fixed connection of recess, the lower surface left and right sides of movable plate all through the sliding hole respectively with two the pole wall sliding connection of second slide bar, the preceding lateral wall of movable plate is equipped with fixed.

Preferably, the fixing mechanism comprises a screw, a spiral ring and a rotating ring, the end of the screw is fixedly arranged at the center of the front side wall of the moving plate, a strip-shaped hole is formed in the position, corresponding to the screw, of the front side wall of the ruler plate, the end of the screw, far away from the moving plate, penetrates through the strip-shaped hole and extends outwards, the part, located outside the ruler plate, of the rod wall of the screw is in threaded connection with the spiral ring, and the rotating ring is fixedly arranged on the upper side of the spiral ring.

Preferably, the end of the screw rod, which is positioned outside the straight ruler plate, is fixedly provided with a handle.

Preferably, the lower ends of the two second sliding rods are fixedly provided with limit blocks, and the sides of the two limit blocks, which are opposite to each other, are fixedly connected with the left side and the right side of the groove respectively.

Preferably, a rubber pad is fixedly arranged on the inner side wall of the arc-shaped pen clamping plate.

Preferably, a finger needle is fixedly arranged on the lower side of the circumferential wall of the arc pen clamping plate.

Compared with the prior art, the utility model provides an novel mathematics ruler possesses following beneficial effect:

1. this novel mathematics ruler through the arc card pen board that is equipped with, will be a card in the inside of arc card pen board, because there is fixed distance between arc card pen board and the ruler board, can avoid the pen oil to glue on the ruler board, has improved the result of use of ruler board.

2. This novel mathematics ruler through setting up at the inside movable plate of recess and second slide bar, can release the use with the protractor from the inside of recess, through setting up screw rod, spiro and rotatory ring on the movable plate, can realize fixing between screw rod and the ruler board.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can avoid a writing oil to glue on the ruler board, has improved the result of use of ruler board.

Drawings

Fig. 1 is a schematic structural diagram of a top view of novel mathematical rulers according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of the side view of FIG. 1;

fig. 4 is a top view of fig. 1.

In the figure, a ruler plate 1, a th sliding rod 2, a sliding block 3, a connecting block 4, a second sliding rod 5, a screw rod 6, a spiral ring 7, a rotating ring 8, a handle 9, a limiting block 10, a line pointer 11, an angle measuring ruler 12, an arc-shaped pen clamping plate 13 and a moving plate 14 are arranged.

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, not all embodiments, of the present invention .

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, novel mathematics ruler, including ruler board 1, the upside of ruler board 1 has seted up the bar groove along its length direction, the inside horizontal fixation in bar groove is equipped with slide bar 2, the pole wall of slide bar 2 slides and sets up slider 3, and the lateral wall sliding connection in slider 3 and bar groove, the upside of slider 3 is fixed and is equipped with connecting block 4, connecting block 4 keeps away from side extension of slider 3 to the outside in bar groove and is fixed and is equipped with arc card board 13, can realize that arc card board 13 moves in the horizontal direction, the downside of ruler board 1 is seted up flutedly, the inside of recess is equipped with protractor 12, the horizontal part of protractor 12 is fixed and is equipped with movable plate 14, the inside left and right sides of recess all is equipped with second slide bar 5, the upper end of two second slide bars 5 all with the tank department fixed connection of recess, the lower surface left and right sides of movable plate 14 all passes through the slide opening respectively with the pole wall sliding connection of two second slide bars 5, the preceding lateral wall of movable plate 14.

The fixed establishment includes screw rod 6, spiro 7 and rotatory ring 8, the fixed setting in the preceding lateral wall center department of movable plate 14 of end of screw rod 6, the position department that corresponds of the preceding lateral wall of ruler board 1 and screw rod 6 has seted up the bar hole, end that movable plate 14 was kept away from to screw rod 6 passes the bar hole and outwards extends, the pole wall of screw rod 6 is located ruler board 1 outer part and spiro 7 threaded connection, rotatory ring 8 is fixed to be set up in the upside of spiro 7, twist rotatory ring 8, can realize fixing between screw rod 6 and the ruler board 1.

The end of the screw 6 positioned outside the ruler plate 1 is fixedly provided with a handle 9, so that students can hold the whole ruler plate 1 to draw pictures.

The lower ends of the two second sliding bars 5 are both fixedly provided with limiting blocks 10, and the sides of the two limiting blocks 10, which are back to back, are respectively and fixedly connected with the left side and the right side of the groove, so that the moving plate 14 can be prevented from being separated from the bar wall of the second sliding bar 5.

The fixed rubber pad that is equipped with of inside wall of arc card board 13 can increase the frictional force between arc card board 13 and the pen.

The lower side of the circumferential wall of the arc-shaped pen clamping plate 13 is fixedly provided with a finger needle 11, which is convenient for students.

The utility model discloses in, during the use, with the inside of pen clip at arc card pen board 13, and make promotion arc card pen board 13 remove in the horizontal direction, thereby make slider 3 slide at slide bar 2's pole wall, because there is distance between arc card pen board 13 and the ruler board 1, can avoid the pen oil to glue on ruler board 1, ruler board 1's result of use has been improved, through setting up at inside movable plate 14 of recess and second slide bar 5, can realize the function that movable plate 14 removed in the recess, thereby can release the inside of protractor 12 from the recess, thereby can carry out the angulation to the line segment, through setting up screw rod 6 on 14, spiro 7 and rotatory ring 8, can realize that the movable plate is fixed between screw rod 6 and the ruler board 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

The utility model provides an novel mathematics ruler, including ruler board (1), its characterized in that, the upside of ruler board (1) has seted up the bar groove along its length direction, the inside horizontal fixation in bar groove is equipped with slide bar (2), the pole wall slip of slide bar (2) sets up slider (3), and slider (3) and the lateral wall sliding connection in bar groove, the upside of slider (3) is fixed and is equipped with connecting block (4), side that slider (3) were kept away from in connecting block (4) extends to the outside in bar groove and is fixed and is equipped with arc card pen plate (13), the downside of ruler board (1) is seted up flutedly, the inside of recess is equipped with protractor (12), the horizontal part of protractor (12) is fixed and is equipped with second slide bar (5), two the inside left and right sides of recess all is equipped with the tank bottom department fixed connection of recess the upper end of second slide bar (5), the lower surface left and right sides of movable plate (14) all through the slide opening respectively with two the slide bar fixed connection of second slide bar (5) the preceding slide bar wall of movable plate (14) mechanism.
2. The novel mathematics ruler of claim 1, wherein the fixed mechanism includes screw rod (6), spiral ring (7) and rotatory ring (8), end of screw rod (6) is fixed and is set up in the preceding lateral wall center of movable plate (14), the preceding lateral wall of straight ruler board (1) is seted up the bar hole with the position correspondence of screw rod (6), end that the movable plate (14) was kept away from to screw rod (6) passes the bar hole and outwards extends, the part that the pole wall of screw rod (6) is located outside straight ruler board (1) is connected with spiral ring (7) screw thread, rotatory ring (8) are fixed and are set up the upside in spiral ring (7).
3. novel math ruler according to claim 2, wherein the end of the screw (6) located outside the ruler plate (1) is fixed with a handle (9).
4. The novel mathematics ruler of claim 1, characterized in that, the lower extreme of two said second slide bars (5) is all fixed with stopper (10), sides that two said stopper (10) are back to back respectively with the left and right sides fixed connection of recess.
5. The novel mathematics ruler of claim 1, wherein the inside wall of said arc-shaped pen clamping plate (13) is fixed with rubber pad.
6. The novel mathematics ruler of claim 1, wherein, the circumference wall downside of said arc-shaped pen holding plate (13) is fixed with the pointer (11).