CN207842457U - A kind of mathematics teaching aid convenient for teaching - Google Patents
A kind of mathematics teaching aid convenient for teaching Download PDFInfo
- Publication number
- CN207842457U CN207842457U CN201721741320.8U CN201721741320U CN207842457U CN 207842457 U CN207842457 U CN 207842457U CN 201721741320 U CN201721741320 U CN 201721741320U CN 207842457 U CN207842457 U CN 207842457U
- Authority
- CN
- China
- Prior art keywords
- block
- telescopic rod
- chassis
- fixedly connected
- teaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of mathematics teaching aids convenient for teaching, are related to teaching aid technical field.This is convenient for the mathematics teaching aid of teaching, including chassis, sliding slot is offered at the top of the chassis, it is opened up in the middle part of the chassis top fluted, the groove is located at the inside of sliding slot, and the sliding slot is internally provided with sliding block, the first telescopic rod is fixedly connected at the top of the sliding block, first telescopic rod is located at the top on chassis, and the top on the left of first telescopic rod is fixedly connected with handle.This is convenient for the mathematics teaching aid of teaching, pass through the structure design of sliding slot, the first telescopic rod, the second telescopic rod, fixed block, handle and fixing groove, make handle that chalk be driven to rotate and draw different size of circle or string, by the use for expanding block, support column, baffle, movable block and mobile bar, mobile bar is set to push expansion block movement, to the size of control and determining required circle or string, to draw required different size of circle or string.
Description
Technical field
The utility model is related to teaching aid technical field, specially a kind of mathematics teaching aids convenient for teaching.
Background technology
Ruler for teaching, compasses for teaching etc. are generally comprised with tool convenient for the mathematics of education, wherein teaching is used
Compasses refer to, for drawing the tool of circle or string, being frequently utilized for construction with ruler and compasses, compasses for teaching is general in mathematics and drawing
It is made of wooden unit and metal, including two parts, by a hinge connection, wherein can adjust, used compasses for teaching
It uses, keeps teacher more convenient in blackboard upper drawing circle or string, be conducive to the teaching of course.
In compasses for teaching, due to compasses and blackboard is not fixed and compasses are generated in rotation between chalk and blackboard
Friction makes teacher when circle or string paint not yet, and compasses will usually be detached from blackboard, inclined to make circle or string draw,
Teacher will draw again at this time, delay the time attended class, and the progress of teaching is not easy to, in addition, due to the ruler of compasses for teaching
It is very little long, it is not easy to be accommodated in the teaching desk of teacher.
Utility model content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of mathematics teaching aid convenient for teaching, solves teaching
Circle or string is often set to draw inclined problem with compasses.
（Two）Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of mathematics convenient for teaching
Teaching aid, including chassis offer sliding slot at the top of the chassis, fluted, the groove are opened up in the middle part of the chassis top
Positioned at the inside of sliding slot, the sliding slot is internally provided with sliding block, and the first telescopic rod, institute are fixedly connected at the top of the sliding block
The top that the first telescopic rod is located at chassis is stated, the top on the left of first telescopic rod is fixedly connected with handle, and described first stretches
The inside of contracting bar is socketed with the second telescopic rod, and the bottom of the second telescopic rod right end is fixedly connected with fixed block, the fixation
The bottom of block offers fixing groove, and support column, the top of the support column are fixedly connected in the middle part of the groove inner wall bottom end
It is fixedly connected with baffle, movable block is socketed on the outside of the support column, mobile bar is fixedly connected on the outside of the movable block,
The one end of the mobile bar far from movable block is fixedly connected with expansion block, and the expansion block is through chassis and extends to the outer of chassis
The bottom of side, the described one end of expansion block far from chassis is fixedly connected with sucker.
Preferably, the shape of the sliding slot is circular ring shape.
Preferably, the sliding slot matches with sliding block.
Preferably, when the movable block is fitted closely with baffle, four expansion blocks are closely coupled and form a circle
Annular.
Preferably, the expansion block and the quantity of mobile bar are four, and four mobile bars and four expansion blocks with
Support column is the equidistant outside for being circumferentially positioned at support column in the center of circle.
Preferably, the transportable distance of the expansion block is transportable apart from equal with the second telescopic rod.
Preferably, the size of the fixing groove and the size of peripheral hardware chalk match.
（Three）Advantageous effect
The utility model provides a kind of mathematics teaching aid convenient for teaching.Has following advantageous effect：
（1）, should convenient for teaching mathematics teaching aid, by sliding slot, sliding block, the first telescopic rod, the second telescopic rod, fixed block,
The structure design of handle and fixing groove, allows moving handle that chalk to be driven to rotate, and to draw different size of circle or string, leads to
The structure design for crossing expansion block, groove, support column, baffle, movable block and mobile bar makes mobile movable block, to push expansion
Block moves, and the size of the circle or string drawn to control and required for determining coordinates the structure of the first telescopic rod and the second telescopic rod
Design, the circle that the second telescopic rod of adjusting is formed with expansion block is to matching, so as to draw required different size of circle or string,
It is used by chassis, expansion block and sucker, chassis is allow to be fixed on blackboard, it will not in blackboard upper drawing circle or string to reach
Inclined effect is drawn, the progress of course is convenient for.
（2）, should convenient for teaching mathematics teaching aid, pass through the first telescopic rod, the second telescopic rod, support column, baffle, movement
Block, mobile bar and the structure design for expanding block, allow this to be shunk convenient for the mathematics teaching aid imparted knowledge to students, and are convenient for storage to reach
Effect.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the vertical view of the utility model.
In figure：1 chassis, 2 sliding slots, 3 grooves, 4 sliding blocks, 5 first telescopic rods, 6 handles, 7 second telescopic rods, 8 fixed blocks, 9
Fixing groove, 10 support columns, 11 baffles, 12 movable blocks, 13 mobile bars, 14 expansion blocks, 15 suckers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of mathematics teaching aid convenient for teaching, including bottom
Disk 1, the top on chassis 1 offer sliding slot 2, and the shape of sliding slot 2 is circular ring shape, open up fluted 3 in the middle part of 1 top of chassis, recessed
Slot 3 is located at the inside of sliding slot 2, and sliding slot 2 is internally provided with sliding block 4, and sliding slot 2 matches with sliding block 4, and the top of sliding block 4 is fixed
It is connected with the first telescopic rod 5, the first telescopic rod 5 is located at the top on chassis 1, and the top in 5 left side of the first telescopic rod is fixedly connected with
The inside of handle 6, the first telescopic rod 5 is socketed with the second telescopic rod 7, and the bottom of 7 right end of the second telescopic rod is fixedly connected with fixation
The bottom of block 8, fixed block 8 offers fixing groove 9, and the size and the size of peripheral hardware chalk of fixing groove 9 match, and make fixed block 8
Chalk can be driven to draw on blackboard, coordinate the structure design of the first telescopic rod 5, the second telescopic rod 7 and sliding slot 2, make fixation
Block 8 can drive chalk to draw circle or string of different sizes on blackboard, and groove is fixedly connected with support in the middle part of 3 inner wall bottom end
Column 10, the top of support column 10 are fixedly connected with baffle 11, and the outside of support column 10 is socketed with movable block 12, movable block 12 it is outer
Side is fixedly connected with mobile bar 13, and the one end of mobile bar 13 far from movable block 12 is fixedly connected with expansion block 14, and expansion block 14 passes through
It wears chassis 1 and extends to the outside on chassis 1, make mobile movable block 12, mobile bar 13 is driven to move, to push expansion block 14 to move
Dynamic, the quantity for expanding block 14 and mobile bar 13 is four, and four mobile bars 13 and four expansion blocks 14 are with support column 10
For the equidistant outside for being circumferentially positioned at support column 10 in the center of circle, four expansion blocks 14 is allow to form circle of different sizes, to
Teacher can be made to determine the size of circle or string when drawing, expansion 14 transportable distance of block and the second telescopic rod 7 can be with
Mobile distance is equal, and the tool is allow to draw the size of the desired circle without size, and movable block 12 is close with baffle 11
When fitting, four expansion blocks 14 are closely coupled and form a circular ring shape, make this can be with maximum journey convenient for the mathematics teaching aid imparted knowledge to students
The contraction of degree, convenient for storage, the bottom of the one end of expansion block 14 far from chassis 1 is fixedly connected with sucker 15, can by sucker 15
So that chassis 1 is fixed on blackboard, the situation for causing picture inclined will not be moved when to reach picture, convenient for the progress of teaching.
The mathematics teaching aid convenient for teaching pulls the second telescopic rod 7 to can in use, chalk is put into fixing groove 9
The maximum distance of pulling pushes movable block 12, until determining that four expansion blocks 14 are formed by round size, chassis 1 is attached to
It on blackboard, determines that sucker 15 is closely connect with blackboard, shrinks 7 to the second telescopic rod 7 of the second telescopic rod and fit with expansion block 14,
Along 2 moving handle 6 of sliding slot, until will justify or string paints.
To sum up gained should pass through sliding slot 2, sliding block 4, the first telescopic rod 5, the second telescopic rod convenient for the mathematics teaching aid of teaching
7, the structure design of fixed block 8, handle 6 and fixing groove 9 allows moving handle 6 that chalk to be driven to rotate, different big to draw
Small circle or string makes shifting by expansion 14, the structure design of groove 3, support column 10, baffle 11, movable block 12 and mobile bar 13
Dynamic movable block 12, to push expansion block 14 to move, the size of the circle or string drawn to control and required for determining, cooperation first
The structure design of telescopic rod 5 and the second telescopic rod 7, adjusts circle that the second telescopic rod 7 is formed with expansion block 14 to matching, so as to
To draw the different size of circle of needs, is used by chassis 1, expansion block 14 and sucker 15, chassis 1 is allow to be fixed on blackboard
On, it is inclined to achieve the effect that draw in blackboard upper drawing circle or string, it is convenient for the progress of course.
Meanwhile passing through the first telescopic rod 5, the second telescopic rod 7, support column 10, baffle 11, movable block 12,13 and of mobile bar
The structure design for expanding block 14 allows this to be shunk convenient for the mathematics teaching aid imparted knowledge to students, to achieve the effect that convenient for storage.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of mathematics teaching aid convenient for teaching, including chassis（1）, it is characterised in that：The chassis（1）Top offer cunning
Slot（2）, the chassis（1）It is opened up in the middle part of top fluted（3）, the groove（3）Positioned at sliding slot（2）Inside, the cunning
Slot（2）Be internally provided with sliding block（4）, the sliding block（4）Top be fixedly connected with the first telescopic rod（5）, described first stretches
Contracting bar（5）Positioned at chassis（1）Top, first telescopic rod（5）Handle is fixedly connected at the top of left side（6）, described
One telescopic rod（5）Inside be socketed with the second telescopic rod（7）, second telescopic rod（7）The bottom of right end is fixedly connected with
Determine block（8）, the fixed block（8）Bottom offer fixing groove（9）, the groove（3）Inner wall is fixedly connected in the middle part of bottom end
There is support column（10）, the support column（10）Top be fixedly connected with baffle（11）, the support column（10）Outside socket
There is movable block（12）, the movable block（12）Outside be fixedly connected with mobile bar（13）, the mobile bar（13）Far from mobile
Block（12）One end be fixedly connected with expansion block（14）, the expansion block（14）Through chassis（1）And extend to chassis（1）It is outer
Side, the expansion block（14）Far from chassis（1）The bottom of one end be fixedly connected with sucker（15）.
2. a kind of mathematics teaching aid convenient for teaching according to claim 1, it is characterised in that：The sliding slot（2）Shape
For circular ring shape.
3. a kind of mathematics teaching aid convenient for teaching according to claim 1, it is characterised in that：The sliding slot（2）With sliding block
（4）Match.
4. a kind of mathematics teaching aid convenient for teaching according to claim 1, it is characterised in that：The movable block（12）With gear
Plate（11）When fitting closely, four expansion blocks（14）Closely coupled and one circular ring shape of formation.
5. a kind of mathematics teaching aid convenient for teaching according to claim 1, it is characterised in that：The expansion block（14）And shifting
Lever（13）Quantity be four, and four mobile bars（13）With four expansion blocks（14）With support column（10）For center of circle etc.
Distance is circumferentially positioned at support column（10）Outside.
6. a kind of mathematics teaching aid convenient for teaching according to claim 1, it is characterised in that：The expansion block（14）It can be with
Mobile distance and the second telescopic rod（7）It is transportable apart from equal.
7. a kind of mathematics teaching aid convenient for teaching according to claim 1, it is characterised in that：The fixing groove（9）It is big
The small size with peripheral hardware chalk matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741320.8U CN207842457U (en) | 2017-12-14 | 2017-12-14 | A kind of mathematics teaching aid convenient for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741320.8U CN207842457U (en) | 2017-12-14 | 2017-12-14 | A kind of mathematics teaching aid convenient for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207842457U true CN207842457U (en) | 2018-09-11 |
Family
ID=63420510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721741320.8U Expired - Fee Related CN207842457U (en) | 2017-12-14 | 2017-12-14 | A kind of mathematics teaching aid convenient for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207842457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281677A (en) * | 2019-07-26 | 2019-09-27 | 河北省科学院地理科学研究所 | A kind of Geography drawing rule |
-
2017
- 2017-12-14 CN CN201721741320.8U patent/CN207842457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281677A (en) * | 2019-07-26 | 2019-09-27 | 河北省科学院地理科学研究所 | A kind of Geography drawing rule |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20191214 |