CN214240203U

CN214240203U - Setting-out auxiliary device for high school mathematics teaching

Info

Publication number: CN214240203U
Application number: CN202120155328.6U
Authority: CN
Inventors: 张立平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-09-21
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to the technical field of teaching tools, and discloses a line drawing auxiliary device for high school mathematics teaching, which comprises a handheld handle, wherein the upper end of the handheld handle is fixedly provided with an installation base, the upper end of the installation base is fixedly provided with a scale display dial plate, the inside of the scale display dial plate is provided with a built-in installation groove, the inside of the built-in installation groove is provided with a lower fixing nut, the upper end of the lower fixing nut is movably provided with a rotary rod, one side of the rotary rod, which is far away from the threaded rod, is fixedly provided with a line drawing ruler, in the utility model, a pointer and the scale display dial plate are matched for use, so that a teacher can accurately draw an angle, the teacher draws a line in the line drawing groove, the drawn line can be straight and not twisted, and the chalk can draw a standard circle at the moment by placing the chalk in the line drawing groove and rotating the rotary rod, so that the line drawing auxiliary device for high school mathematics teaching achieves the multi-purpose of one object, greatly saving the time for teachers to draw pictures.

Description

Setting-out auxiliary device for high school mathematics teaching

Technical Field

The utility model relates to a teaching tool technical field especially relates to a setting-out auxiliary device is used in high school's mathematics teaching.

Background

The teaching tool is a general name of various appliances used for enabling students to understand teaching contents visually and vividly and tools used by teachers during teaching, and comprises conventional and professional teaching aids used for primary and secondary school basic education and various professional education of large and medium schools, wherein the conventional and professional teaching aids generally comprise real objects, objective objects are directly presented to the students so that the students can feel directly, graphs of the object images are drawn, modern equipment for reproducing the object images and the process of the object images, conventional teaching aids used during teaching are also provided, such as a blackboard, a blackboard eraser, a whiteboard, chalk and the like, a teacher of high school mathematics needs to explain through drawing in the teaching process, the teacher needs to replace different drawing auxiliary devices when drawing different shapes of graphs, the teaching time of the teacher is greatly wasted, and therefore the drawing auxiliary device for the teaching of the high school mathematics is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a line drawing auxiliary device for high school mathematics teaching.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a setting-out auxiliary device is used in high school's mathematical education, including handheld handle, the upper end fixed mounting of handheld handle has the installation base, the upper end fixed mounting of installation base has the scale to show the dial plate, built-in mounting groove has been seted up to the inside of scale demonstration dial plate, the upper end movable mounting of scale demonstration dial plate has the installation apron, the upper end fixed mounting of installation apron has inhales the piece of pasting, the inside of built-in mounting groove is provided with down fixation nut, lower fixation nut's upper end movable mounting has the rotary rod, one side fixed mounting that keeps away from the threaded rod of rotary rod has the rule ruler, the lower extreme fixed mounting that the rotary rod is close to one side.

Preferably, the scale display dial has a diameter equal to that of the mounting base, and the built-in mounting groove has a female screw hole therein and a female screw therein.

Preferably, the diameter of the mounting cover plate is the same as that of the scale display dial plate, and the lower end of the mounting cover plate is fixedly provided with a connecting column.

Preferably, the lower end of the connecting column is fixedly provided with a threaded column, the diameter of the threaded column is the same as that of the connecting column, an external thread is arranged at the outer circle of the threaded column, and the external thread of the threaded column is matched with the internal thread of the internal threaded hole.

Preferably, the front end of the rotating rod is provided with a hole, the hole diameter formed by the rotating rod is the same as the diameter of a threaded hole of the lower fixing nut, a threaded rod is movably mounted inside the lower fixing nut and provided with a threaded hole, an external thread is arranged at the excircle of the threaded rod and matched with the internal thread of the lower fixing nut, the upper end of the rotating rod is movably mounted with an upper fixing thread, the shape and size of the upper fixing thread are the same as those of the lower fixing nut, and the two groups of rotating rods are movably mounted between the upper fixing thread and the lower fixing nut by the threaded rod.

Preferably, the outer wall surface of the upper end of the scribing ruler is provided with a scribing groove, the scribing groove penetrates through the upper wall surface and the lower wall surface of the scribing ruler, and the upper end of the scribing ruler is fixedly provided with an absorbing and pasting stone which is a magnet substance.

Advantageous effects

The utility model provides a setting-out auxiliary device is used in high school's mathematics teaching possesses following beneficial effect:

(1) this setting-out auxiliary device for high school's mathematical education, cooperation through pointer and scale display dial plate is used, can make accurate the angle of drawing of teacher, the teacher carries out the setting-out at the inslot portion of ruling, can make the straight undistorted line of drawing, through putting the chalk in the inslot of ruling, at rotatory rotary rod, the powder can draw out standard circular this moment, through this way, make this setting-out auxiliary device for high school's mathematical education reach the effect of a multi-purpose thing, the time that the teacher painted has been practiced thrift greatly, the lecture time has been improved.

(2) This setting-out auxiliary device is used in high school's mathematical education carries out the magnetite through inhaling the tiling and is connected with the blackboard, carries out the magnetite with two sets of rulers of ruling through inhaling the tiling and be connected with the blackboard, draws this novel setting-out auxiliary device for high school's teaching and fixes on the blackboard, when having avoided the teacher to draw a picture, lifts the sour numb of arm that setting-out auxiliary device caused for a long time, has reached and has practiced thrift teacher's physical power, makes things convenient for the effect that the teacher drawn a picture.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a partial schematic view of the position of the middle-scribed ruler of the present invention;

FIG. 3 is a partial schematic view of the position of the suction patch of the present invention;

fig. 4 is a partial schematic view of the position of the rotating rod of the present invention.

Illustration of the drawings:

the hand-held type hand-held ruler comprises a hand-held grip 1, an installation base 2, a scale display dial 3, a built-in installation groove 4, an internal threaded hole 5, an installation cover plate 6, a connection column 7, a threaded column 8, a suction sticking block 9, a lower fixing nut 10, a rotary rod 11, a threaded rod 12, an upper fixing thread 13, a marking ruler 14, a marking groove 15, a magnet 16, a connection rod 17 and a pointer 18.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example (b): a line drawing auxiliary device for high school mathematics teaching is disclosed, as shown in figures 1-4, comprising a handheld handle 1, wherein the handheld handle 1 is in a circular column shape, the upper end of the handheld handle 1 is fixedly provided with an installation base 2, the upper end of the installation base 2 is fixedly provided with a scale display dial 3, the diameter of the scale display dial 3 is the same as that of the installation base 2, the inside of the scale display dial 3 is provided with a built-in installation groove 4, the inside of the built-in installation groove 4 is provided with an internal thread hole 5, the inside of the internal thread hole 5 is provided with an internal thread, the upper end of the scale display dial 3 is movably provided with an installation cover plate 6, the diameter of the installation cover plate 6 is the same as that of the scale display dial 3, the lower end of the installation cover plate 6 is fixedly provided with a connecting column 7, the connecting column 7 is in a circular column shape, the lower end of the connecting column 7 is fixedly provided with a threaded column 8, the diameter of the threaded column 8 is the same as that of the connecting column 7, an external thread is arranged at the excircle of the threaded column 8, the external thread of the threaded column 8 is matched with an internal thread of the internal threaded hole 5, the upper end of the mounting cover plate 6 is fixedly provided with a suction patch 9, the suction patch 9 is made of a magnet material, a lower fixing nut 10 is arranged inside the built-in mounting groove 4, a threaded hole is formed inside the lower fixing nut 10, a rotary rod 11 is movably mounted at the upper end of the lower fixing nut 10, the front end of the rotary rod 11 is provided with a hole, the diameter of the hole formed in the rotary rod 11 is the same as that of the threaded hole of the lower fixing nut 10, a threaded rod 12 is movably mounted inside the rotary rod 11, the threaded rod 12 is a circular columnar threaded rod, an external thread is arranged at the excircle of the threaded rod 12, the external thread of the threaded rod 12 is matched with the internal thread of the lower fixing nut 10, an upper fixing thread 13 is movably mounted at the upper end of the rotary rod 11, and the shape and the size of the upper fixing thread 13 are the same as that of the lower fixing nut 10, threaded rod 12 is with two sets of rotary rods 11 movable mounting at last fixed thread 13 between 10 with lower fixation nut, one side fixed mounting who keeps away from threaded rod 12 of rotary rod 11 has rule ruler 14, it is rectangular block-shaped to rule ruler 14, rule groove 15 has been seted up to the outer wall in the upper end of rule ruler 14, line groove 15 runs through the upper and lower wall of rule ruler 14, the upper end fixed mounting of rule ruler 14 has the stone of pasting 16 of inhaling, it is the magnet material to inhale the stone of pasting 16, the lower extreme fixed mounting that rotary rod 11 is close to one side of rule ruler 14 has connecting rod 17, connecting rod 17 is circular column, the lower extreme fixed mounting of connecting rod 17 has pointer 18.

The utility model discloses a theory of operation: high school mathematics mr is at the teaching in-process, need explain through drawing, can draw a picture through using this novel setting-out auxiliary device for high school teaching, at first the teacher singlehanded grips handheld handle 1, carry out the magnetite through inhaling sticker 9 and blackboard and be connected, draw this novel setting-out auxiliary device for high school teaching and fix on the blackboard, carrying out the magnetite with the blackboard through inhaling two sets of rule rulers 14 and being connected, pointer 18 through rotary rod 11 lower extreme and the cooperation of installing 2 upper ends of base display dial plate 3 use, can make the accurate angle of drawing of teacher, the teacher is drawing a line in 15 insides, can make the line of drawing straight undistorted, through putting the chalk in line groove 15, at rotary rod 11, what the chalk was drawn at this moment was standardized circular.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a setting-out auxiliary device is used in high school's mathematics teaching, includes handheld handle (1), its characterized in that: the utility model discloses a marking off ruler, including handheld handle (1), the upper end fixed mounting of installation base (2) has installation base (2), the upper end fixed mounting of installation base (2) has scale display dial plate (3), built-in mounting groove (4) have been seted up to the inside of scale display dial plate (3), the upper end movable mounting of scale display dial plate (3) has installation apron (6), the upper end fixed mounting of installation apron (6) has inhales sticking block (9), the inside of built-in mounting groove (4) is provided with down fixation nut (10), the upper end movable mounting of lower fixation nut (10) has rotary rod (11), one side fixed mounting of keeping away from threaded rod (12) of rotary rod (11) has marking off ruler (14), lower extreme fixed mounting that rotary rod (11) is close to one side of marking off ruler (14) has connecting rod (17), the lower extreme fixed mounting of connecting rod (17) has pointer (18).

2. The line drawing auxiliary device for high school mathematics teaching as claimed in claim 1, wherein: the diameter of the scale display dial (3) is the same as that of the mounting base (2), an internal thread hole (5) is formed in the built-in mounting groove (4), and an internal thread is formed in the internal thread hole (5).

3. The line drawing auxiliary device for high school mathematics teaching as claimed in claim 1, wherein: the diameter of the installation cover plate (6) is the same as that of the scale display dial (3), and a connecting column (7) is fixedly installed at the lower end of the installation cover plate (6).

4. The line drawing auxiliary device for high school mathematics teaching as claimed in claim 3, wherein: the lower extreme fixed mounting of spliced pole (7) has screw thread post (8), and the diameter size of screw thread post (8) is the same with the diameter size of spliced pole (7), and the excircle department of screw thread post (8) is provided with the external screw thread, and the external screw thread of screw thread post (8) agrees with the internal thread in internal thread hole (5) mutually.

5. The line drawing auxiliary device for high school mathematics teaching as claimed in claim 1, wherein: the hole is seted up to rotary rod (11) front end, the hole diameter that rotary rod (11) were seted up is the same with the screw hole diameter of lower fixation nut (10), and the inside of lower fixation nut (10) is seted up threaded hole, and the inside movable mounting of rotary rod (11) has threaded rod (12).

6. The line drawing auxiliary device for high school mathematics teaching according to claim 5, characterized in that: the excircle department of threaded rod (12) is equipped with the external screw thread, and the external screw thread of threaded rod (12) agrees with mutually with the internal thread of fixation nut (10) down, and fixed thread (13) are gone up to the upper end movable mounting of rotary rod (11), and the shape size of going up fixed thread (13) is the same with the shape size of fixation nut (10) down, threaded rod (12) are with two sets of rotary rod (11) movable mounting at last fixed thread (13) and between fixation nut (10) down.

7. The line drawing auxiliary device for high school mathematics teaching as claimed in claim 1, wherein: the outer wall surface of the upper end of the scribing ruler (14) is provided with a scribing groove (15), the scribing groove (15) penetrates through the upper wall surface and the lower wall surface of the scribing ruler (14), and the upper end of the scribing ruler (14) is fixedly provided with an absorbing stuck stone (16).