CN211641619U

CN211641619U - University's mathematics teaching tool that facilitates use

Info

Publication number: CN211641619U
Application number: CN201922397502.3U
Authority: CN
Inventors: 崔雅莉
Original assignee: Zhaoqing Beishan Zhihui Enterprise Management Co ltd
Current assignee: Zhaoqing Beishan Zhihui Enterprise Management Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-09
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a university's mathematics teaching instrument that facilitates use, including the protractor, the first fixed plate of bottom fixedly connected with of protractor, the equal swing joint in both sides of the relative one side of first fixed plate and protractor has adjustment mechanism, the equal fixedly connected with positioning mechanism in one side that first fixed plate and protractor are relative. The utility model discloses a set up the protractor, first fixed plate, adjustment mechanism, the second fixed plate, the thread bush, the threaded rod, the third fixed plate, the carousel, fixed cover, positioning mechanism, a bearing, first fixed column, the disc, second fixed column and open-ended cooperation are used, it needs the drawing circle in the use to have solved current college mathematics teaching instrument, need use the special compasses of teaching specially, forget when carrying when special compasses, then can't draw the circle, thereby cause and use inconvenient problem, this college mathematics teaching instrument who facilitates the use, possess the advantage that facilitates the use, college mathematics teaching instrument's practicality has been improved.

Description

University's mathematics teaching tool that facilitates use

Technical Field

The utility model belongs to the technical field of the teaching tool, especially, relate to a university's mathematics teaching tool who facilitates use.

Background

The teaching aid can improve the learning interest of students, enrich perceptual knowledge, help to form clear concepts, develop the observation ability and thinking ability of students, and generally divide into 3 types of common teaching aids, special teaching aids and infant teaching aids.

University's mathematical education need use the teaching tool, and the problem that prior art exists is: college mathematics teaching instrument need use teaching special compasses specially when the circle is drawn to the use, forgets when carrying when special compasses, then can't draw the circle to cause and use inconvenient phenomenon, reduced college mathematics teaching instrument's practicality.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a university's mathematics teaching instrument that facilitates use possesses the advantage that facilitates use, has solved current university's mathematics teaching instrument and need draw the circle in the use, need use teaching special compasses specially, forgets when carrying when special compasses, then can't draw the circle to cause and use inconvenient problem.

The utility model discloses a realize like this, a university's mathematics teaching instrument that facilitates use, including the protractor, the first fixed plate of bottom fixedly connected with of protractor, the equal swing joint in both sides of the relative one side of first fixed plate and protractor has adjustment mechanism, the equal fixedly connected with positioning mechanism in one side that first fixed plate and protractor are relative.

As the utility model discloses it is preferred, adjustment mechanism includes the second fixed plate, the bottom fixedly connected with thread bush of second fixed plate, the inside threaded connection of thread bush has the threaded rod, the surperficial swing joint of threaded rod has the third fixed plate, the bottom fixedly connected with carousel of threaded rod, the fixed cover of top fixedly connected with of second fixed plate.

As the utility model discloses it is preferred, positioning mechanism includes the bearing, the surface of bearing is connected in the fixed surface of first fixed plate and protractor respectively, the first fixed column of inside fixedly connected with of bearing, the positive fixedly connected with disc of first fixed column.

As the utility model discloses it is preferred, the equal fixedly connected with second fixed column in both sides of second fixed plate bottom, the bottom of third fixed plate is run through and the bottom that extends to the third fixed plate to the bottom of second fixed column.

As the utility model discloses it is preferred, the opening that uses with thread bush, threaded rod and the cooperation of second fixed column is seted up to the inside of first fixed plate, the bottom of second fixed plate uses with the surface coordination of first fixed plate, the top of third fixed plate uses with the bottom cooperation of first fixed plate.

As the utility model discloses it is preferred, the both sides of the positive bottom of first fixed plate all are provided with the scale mark that uses with the adjustment mechanism cooperation.

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

1. the utility model discloses a set up the protractor, first fixed plate, adjustment mechanism, the second fixed plate, the thread bush, the threaded rod, the third fixed plate, the carousel, fixed cover, positioning mechanism, a bearing, first fixed column, the disc, second fixed column and open-ended cooperation are used, it needs the drawing circle in the use to have solved current college mathematics teaching instrument, need use the special compasses of teaching specially, forget when carrying when special compasses, then can't draw the circle, thereby cause and use inconvenient problem, this college mathematics teaching instrument who facilitates the use, possess the advantage that facilitates the use, college mathematics teaching instrument's practicality has been improved.

2. The utility model discloses a set up adjustment mechanism, can make things convenient for the fixed of chalk, convenience of installation's regulation has improved the practicality that the device used, conveniently draws the circle of equidimension not, person's of facilitating the use.

3. The utility model discloses a set up positioning mechanism, can make protractor and first fixed plate rotate around first fixed column all the time, avoid the removal of protractor and first fixed plate, improved the stability of device.

4. The utility model discloses a set up the second fixed column, can effectively increase the stability that the second fixed plate removed, reduce rocking of second fixed plate to make things convenient for second fixed plate and third fixed plate to fix on the surface of first fixed plate.

5. The utility model discloses a set up the opening, can make things convenient for the removal of thread bush, threaded rod and second fixed column, avoid the card of thread bush, threaded rod and second fixed column to die, play limiting displacement to thread bush, threaded rod and second fixed column simultaneously.

6. The utility model discloses a set up the scale mark, can adjustment mechanism's regulation to the person of facilitating the use carries out the operation of drawing a circle, has improved the practicality of device.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a perspective view of a protractor and a first fixing plate according to an embodiment of the present invention;

fig. 3 is a perspective view of an adjustment mechanism provided in an embodiment of the present invention;

fig. 4 is a perspective view of a positioning mechanism provided in an embodiment of the present invention;

fig. 5 is a partial enlarged view of a according to an embodiment of the present invention;

fig. 6 is a partial enlarged view of embodiment B of the present invention.

In the figure: 1. a protractor; 2. a first fixing plate; 3. an adjustment mechanism; 301. a second fixing plate; 302. a threaded sleeve; 303. a threaded rod; 304. a third fixing plate; 305. a turntable; 306. fixing a sleeve; 4. a positioning mechanism; 401. a bearing; 402. a first fixed column; 403. a disc; 5. a second fixed column; 6. and (4) opening.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the embodiment of the utility model provides a university's mathematics teaching instrument who facilitates use, including protractor 1, the first fixed plate 2 of bottom fixedly connected with of protractor 1, the equal swing joint in both sides of the relative one side of first fixed plate 2 and protractor 1 has adjustment mechanism 3, the equal fixedly connected with positioning mechanism 4 in the relative one side of first fixed plate 2 and protractor 1.

Referring to fig. 3, the adjusting mechanism 3 includes a second fixing plate 301, a threaded sleeve 302 fixedly connected to the bottom of the second fixing plate 301, a threaded rod 303 threadedly connected to the inside of the threaded sleeve 302, a third fixing plate 304 movably connected to the surface of the threaded rod 303, a rotary disc 305 fixedly connected to the bottom of the threaded rod 303, and a fixing sleeve 306 fixedly connected to the top of the second fixing plate 301.

Adopt above-mentioned scheme: through setting up adjustment mechanism 3, can make things convenient for the fixed of chalk, make things convenient for device's regulation, improve the practicality that the device used, conveniently draw not equidimension circle, person's of facilitating the use.

Referring to fig. 4, the positioning mechanism 4 includes a bearing 401, a surface of the bearing 401 is fixedly connected to a surface of the first fixing plate 2 and a surface of the protractor 1, a first fixing column 402 is fixedly connected to an inner portion of the bearing 401, and a circular disc 403 is fixedly connected to a front surface of the first fixing column 402.

Adopt above-mentioned scheme: through setting up positioning mechanism 4, can make protractor 1 and first fixed plate 2 rotate around first fixed column 402 all the time, avoid the removal of protractor 1 and first fixed plate 2, improve the stability of device.

Referring to fig. 3 and 6, second fixing posts 5 are fixedly connected to both sides of the bottom of the second fixing plate 301, and the bottom of the second fixing posts 5 penetrates through the third fixing plate 304 and extends to the bottom of the third fixing plate 304.

Adopt above-mentioned scheme: through setting up second fixed column 5, can effectively increase the stability that second fixed plate 301 removed, reduce rocking of second fixed plate 301 to make things convenient for second fixed plate 301 and third fixed plate 304 to fix the surface at first fixed plate 2.

Referring to fig. 6, an opening 6 is formed in the first fixing plate 2 to cooperate with the threaded sleeve 302, the threaded rod 303 and the second fixing post 5, the bottom of the second fixing plate 301 cooperates with the surface of the first fixing plate 2, and the top of the third fixing plate 304 cooperates with the bottom of the first fixing plate 2.

Adopt above-mentioned scheme: through setting up opening 6, can make things convenient for the removal of thread bush 302, threaded rod 303 and second fixed column 5, avoid thread bush 302, threaded rod 303 and second fixed column 5's card to die, play limiting displacement to thread bush 302, threaded rod 303 and second fixed column 5 simultaneously.

Referring to fig. 2 and 6, scale marks used in cooperation with the adjusting mechanism 3 are disposed on both sides of the bottom of the front surface of the first fixing plate 2.

Adopt above-mentioned scheme: through setting up the scale mark, can adjustment mechanism 3's regulation to the person of facilitating the use carries out the operation of drawing a circle, has improved the practicality of device.

The utility model discloses a theory of operation:

when the fixing sleeve 306 is adjusted by a user, the rotating disc 305 is rotated anticlockwise, the rotating disc 305 drives the threaded rod 303 to move, the threaded rod 303 slides in the threaded sleeve 302, when the rotating disc 305 moves downwards, the third fixing plate 304 descends under the action of gravity, gaps exist between the second fixing plate 301 and the third fixing plate 304 and the first fixing plate 2, the second fixing plate 301 moves leftwards and rightwards, the second fixing plate 301 drives the fixing sleeve 306 to move leftwards and rightwards, meanwhile, the second fixing plate 301 drives the threaded sleeve 302 to move leftwards and rightwards, the threaded sleeve 302 drives the threaded rod 303 to move leftwards and rightwards, the second fixing plate 301 drives the second fixing column 5 to move leftwards and rightwards, the threaded rod 303 and the second fixing column 5 drive the third fixing plate 304 to move leftwards and rightwards, when the fixing sleeve 306 moves to a proper position, the rotating disc 305 is rotated, the rotating disc 305 drives, when second fixed plate 301 and third fixed plate 304 chucking first fixed plate 2, accomplish the fixed of fixed cover 306 fixed to the person of facilitating the use adjusts the size of circle, when needs drawing the circle, makes first fixed column 402 put the position in the centre of a circle, presses down disc 403, and disc 403 drives first fixed column 402 and the position in close contact with that needs to fix, thereby accomplishes the drawing of a circle, has improved university's mathematics teaching instrument's practicality.

In summary, the following steps: this university's mathematics teaching instrument that facilitates use, through setting up protractor 1, first fixed plate 2, adjustment mechanism 3, second fixed plate 301, thread bush 302, threaded rod 303, third fixed plate 304, carousel 305, fixed cover 306, positioning mechanism 4, bearing 401, first fixed column 402, disc 403, second fixed column 5 and opening 6's cooperation is used, it need draw the circle in the use to have solved current university's mathematics teaching instrument, need use teaching special compasses specially, forget when carrying when special compasses, then can't draw the circle, thereby cause and use inconvenient problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 university's mathematics teaching tool that facilitates use, includes protractor (1), its characterized in that: the bottom fixedly connected with first fixed plate (2) of protractor (1), the equal swing joint in both sides of the relative one side of first fixed plate (2) and protractor (1) has adjustment mechanism (3), the equal fixedly connected with positioning mechanism (4) in the relative one side of first fixed plate (2) and protractor (1).

2. A college mathematics teaching tool that is convenient to use as claimed in claim 1, wherein: adjustment mechanism (3) include second fixed plate (301), the bottom fixedly connected with thread bush (302) of second fixed plate (301), the internal thread connection of thread bush (302) has threaded rod (303), the surperficial swing joint of threaded rod (303) has third fixed plate (304), the bottom fixedly connected with carousel (305) of threaded rod (303), the fixed cover (306) of top fixedly connected with of second fixed plate (301).

3. A college mathematics teaching tool that is convenient to use as claimed in claim 1, wherein: the positioning mechanism (4) comprises a bearing (401), the surface of the bearing (401) is fixedly connected with the surface of the first fixing plate (2) and the surface of the protractor (1), a first fixing column (402) is fixedly connected inside the bearing (401), and a disc (403) is fixedly connected to the front surface of the first fixing column (402).

4. A college mathematics teaching tool that is convenient to use as claimed in claim 2, wherein: both sides of the bottom of the second fixing plate (301) are fixedly connected with second fixing columns (5), and the bottoms of the second fixing columns (5) penetrate through the third fixing plate (304) and extend to the bottom of the third fixing plate (304).

5. A college mathematics teaching tool that facilitates use, as claimed in claim 4, wherein: an opening (6) matched with the threaded sleeve (302), the threaded rod (303) and the second fixing column (5) is formed in the first fixing plate (2), the bottom of the second fixing plate (301) is matched with the surface of the first fixing plate (2) for use, and the top of the third fixing plate (304) is matched with the bottom of the first fixing plate (2) for use.

6. A college mathematics teaching tool that is convenient to use as claimed in claim 1, wherein: and scale marks matched with the adjusting mechanism (3) for use are arranged on two sides of the bottom of the front surface of the first fixing plate (2).