CN207274231U - A kind of Portable compasses of mathematical education - Google Patents
A kind of Portable compasses of mathematical education Download PDFInfo
- Publication number
- CN207274231U CN207274231U CN201720564909.9U CN201720564909U CN207274231U CN 207274231 U CN207274231 U CN 207274231U CN 201720564909 U CN201720564909 U CN 201720564909U CN 207274231 U CN207274231 U CN 207274231U
- Authority
- CN
- China
- Prior art keywords
- stent
- turning block
- fixing bracket
- hex bolts
- swinging mounting
- 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 Portable compasses of mathematical education, including fixing bracket and handle, the both sides of the handle outer surface are provided with protractor, and handle is installed on above fixing bracket, the support bracket fastened top is provided with hex bolts, and it is fixedly connected between swinging mounting and fixing bracket by hex bolts, bottom below the swinging mounting is provided with turning block, and the centre position at the top of swinging mounting is provided with pointer, the both sides of the turning block are respectively and fixedly provided with stent, and pass through rivet interlacement between stent and turning block, the opposite side of the stent is provided with hex bolts, and it is fixedly connected between bush of chalk stent and stent by hex bolts, the support bracket fastened bottom is provided with sucker, and it is provided with card slot above sucker, surrounding inside the card slot is provided with soft rubber bar.Easy to carry can be fixed on by sucker on blackboard of the utility model Portable compasses reduces infringement of the compasses to blackboard.
Description
Technical field
Realia technical field is the utility model is related to, is specially a kind of Portable compasses of mathematical education.
Background technology
At present, the compasses that most of in the markets are sold are mostly single function compasses, can only draw circle so as class hour on math teacher
Many auxiliary tools will be carried, rotation instrument is attended class to teacher when especially attending class brings trouble, herein under the premise of it is a kind of
The compasses of mathematical education are mentioned, this easy to operate, easy to carry, and the more compasses of function are increasingly liked be subject to teacher
Love.
Utility model content
The technical problems to be solved in the utility model is the defects of overcoming the prior art, there is provided a kind of mathematical education is just
Take formula compasses.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：A kind of mathematical education
Portable compasses, including fixing bracket and handle, the both sides of the handle outer surface are provided with protractor, and handle is installed on admittedly
Above fixed rack, the support bracket fastened top is provided with hex bolts, and passes through hexagonal between swinging mounting and fixing bracket
Bolt is fixedly connected, and the bottom below the swinging mounting is provided with turning block, and the crown center position peace of swinging mounting
Equipped with pointer, the both sides of the turning block are respectively and fixedly provided with stent, and by rivet interlacement between stent and turning block, it is described
The opposite side of stent is provided with hex bolts, and is fixedly connected between bush of chalk stent and stent by hex bolts, described
Support bracket fastened bottom is provided with sucker, and card slot is provided with above sucker, and the surrounding inside the card slot is provided with soft rubber
Bar.
Preferably, the bottom of the bush of chalk stent is provided with bush of chalk.
Preferably, circular hole is provided among the turning block, and turning block is to be sleeved on swinging mounting by circular hole
Bottom.
Preferably, it is provided with lock screw on the circular hole of the turning block.
Preferably, the card slot is cylinder, and soft rubber bar is to be installed on card slot surrounding diagonally downward.
The beneficial effect that the utility model is reached is：The protractor that compasses are fixed on foot stool can be rotated with measurement angle
Turning block on stent can adjust two bush of chalk and change raising at any time always by the chalk of two different colours above
Teacher's quality of instruction, while the semi-circular design for reducing the labor intensity hand handle of teacher is brought conveniently to the carrying of teacher, one
Thing uses, and improves operating efficiency, moreover it is possible to cost-effective.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the system diagram of the utility model；
Fig. 3 is the profile of the utility model.
1st, fixing bracket；2nd, hex bolts；3rd, swinging mounting；4th, bush of chalk stent；5th, lock screw；6th, stent；7、
Handle；8th, pointer；9th, protractor；10th, sucker；11st, turning block；12nd, rivet；13rd, bush of chalk；14th, card slot；15th, soft rubber
Adhesive tape；16th, circular hole.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent
Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
Embodiment 1
As shown in Figs. 1-3, a kind of Portable compasses of mathematical education, including fixing bracket 1 and handle 7,7 appearance of handle
The both sides in face are provided with protractor 9, and handle 7 is installed on the top of fixing bracket 1, and the top of fixing bracket 1 is provided with hexagonal spiral shell
Bolt 2, and be fixedly connected between swinging mounting 3 and fixing bracket 1 by hex bolts 2, the bottom of the lower section of swinging mounting 3 is provided with
Turning block 11, and the centre position at the top of swinging mounting 3 is provided with pointer 8, the both sides of turning block 11 are respectively and fixedly provided with stent
6, and connected between stent 6 and turning block 11 by rivet 12, the opposite side of stent 6 is provided with hex bolts 2, and chalk sleeve
The bottom for being fixedly connected with the fixing bracket 1 between tube stent 4 and stent 6 by hex bolts 2 is provided with sucker 10, and sucker
10 tops are provided with card slot 14, and the surrounding inside card slot 14 is provided with soft rubber bar 15, and the bottom of bush of chalk stent 4 is provided with
Bush of chalk 13, is provided with circular hole 16 among turning block 11, and turning block 11 is to be sleeved on swinging mounting 3 by circular hole 16
Bottom, lock screw 5 is provided with the circular hole 16 of turning block 11, card slot 14 is cylinder, and soft rubber bar 15 is to be tilted towards
It is installed on 14 surrounding of card slot down, reduces carrying bring side of the semi-circular design to teacher of the labor intensity hand handle of teacher
Just.
Operation principle：First choice put on airs hand 7 by sucker 10 by loosening fixing bracket 1 after being allowed to fixed on blackboard with rotating branch
Hex bolts 2 between frame 3 makes fixing bracket 1 and swinging mounting 3 have some angles；Circle is drawn after fixed hex bolts 2 can be with
There is provided conveniently for its explanation with its protractor number of degrees.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of Portable compasses of mathematical education, including fixing bracket（1）And handle（7）, it is characterised in that：The handle
（7）The both sides of outer surface are provided with protractor（9）, and handle（7）Installed in fixing bracket（1）Top, the fixing bracket（1）
Top be provided with hex bolts（2）, and swinging mounting（3）With fixing bracket（1）Between pass through hex bolts（2）It is fixed to connect
Connect, the swinging mounting（3）The bottom of lower section is provided with turning block（11）, and swinging mounting（3）The centre position peace at top
Equipped with pointer（8）, the turning block（11）Both sides be respectively and fixedly provided with stent（6）, and stent（6）And turning block（11）Between
Pass through rivet（12）Connection, the stent（6）Opposite side be provided with hex bolts（2）, and bush of chalk stent（4）With stent
（6）Between pass through hex bolts（2）It is fixedly connected, the fixing bracket（1）Bottom sucker is installed（10）, and sucker（10）
Top is provided with card slot（14）, the card slot（14）Internal surrounding is provided with soft rubber bar（15）.
A kind of 2. Portable compasses of mathematical education according to claim 1, it is characterised in that：The bush of chalk branch
Frame（4）Bottom be provided with bush of chalk（13）.
A kind of 3. Portable compasses of mathematical education according to claim 1, it is characterised in that：The turning block
（11）Centre is provided with circular hole（16）, and turning block（11）It is to pass through circular hole（16）It is sleeved on swinging mounting（3）Bottom.
A kind of 4. Portable compasses of mathematical education according to claim 1, it is characterised in that：The turning block
（11）Circular hole（16）On be provided with lock screw（5）.
A kind of 5. Portable compasses of mathematical education according to claim 1, it is characterised in that：The card slot（14）For
Cylinder, and soft rubber bar（15）It is to be installed on card slot diagonally downward（14）Surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564909.9U CN207274231U (en) | 2017-05-20 | 2017-05-20 | A kind of Portable compasses of mathematical education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564909.9U CN207274231U (en) | 2017-05-20 | 2017-05-20 | A kind of Portable compasses of mathematical education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207274231U true CN207274231U (en) | 2018-04-27 |
Family
ID=61992291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720564909.9U Expired - Fee Related CN207274231U (en) | 2017-05-20 | 2017-05-20 | A kind of Portable compasses of mathematical education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207274231U (en) |
-
2017
- 2017-05-20 CN CN201720564909.9U patent/CN207274231U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180427 Termination date: 20200520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |