CN208392931U - A kind of multifunctional mathmatical compasses - Google Patents
A kind of multifunctional mathmatical compasses Download PDFInfo
- Publication number
- CN208392931U CN208392931U CN201820160437.5U CN201820160437U CN208392931U CN 208392931 U CN208392931 U CN 208392931U CN 201820160437 U CN201820160437 U CN 201820160437U CN 208392931 U CN208392931 U CN 208392931U
- Authority
- CN
- China
- Prior art keywords
- leg
- supporting leg
- pilot pin
- fixing seat
- nib
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of multifunctional mathmatical compasses, including turning handle, and the attachment base of the setting that is in U-shape below turning handle is set, and it is separately positioned on the first leg and the second supporting leg of connection seat both sides, and it is separately positioned on the nib in the pilot pin in first leg and the second supporting leg, pilot pin fixing seat is provided between the first leg and pilot pin, written fixing seat is provided between second supporting leg and nib, the linkage for making pilot pin and nib with work surface holding plumbness is additionally provided between the first leg and the second supporting leg, ruler and Angle protractor are also respectively provided on second supporting leg, the end of the Angle protractor is fixedly connected with the other end of ruler；The multifunctional mathmatical compasses have structurally reasonable, adjust automatically pilot pin and written and work surface verticality, advantage easy to use.
Description
Technical field
The utility model relates to mathematics appliance technical fields, and in particular to a kind of multifunctional mathmatical compasses.
Background technique
Mathematics is a subject for studying the concepts such as quantity, structure, variation, space and information.In learning mathematics or
It is frequently necessary to chart when concrete application, for example circle is exactly one of the figure often made, therefore just will use people
All known to, and in drawing one of drafting instrument for largely using compasses.But existing compasses are when being charted,
If not going adjustment pilot pin and nib to make it perpendicular to drawing paper, in drawing, due to pilot pin and drawing work surface
It tilts, therefore in compasses rotation process, pilot pin can stir kent work surface, to be easy to keep drawing damaged, influence diagram
The beauty of paper, and nib is also tilted with kent work surface, to will affect the person's handwriting of nib and the precision of drawing can be reduced；
Secondly now with compasses function it is more single, need to cooperate with ruler and Angle protractor etc. in drawing, therefore to circle
The use of rule brings certain inconvenience.
Utility model content
In view of this, the utility model aim is to provide a kind of structurally reasonable, adjust automatically pilot pin and written and operation
Face verticality, multifunctional mathmatical compasses easy to use.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
A kind of multifunctional mathmatical compasses, including turning handle, and the attachment base of the setting that is in U-shape below turning handle is set, with
And be separately positioned on the first leg and the second supporting leg of connection seat both sides, and the pilot pin that is separately positioned in first leg and
Nib on second supporting leg, is provided with pilot pin fixing seat between the first leg and pilot pin, the first leg and fixed
Position needle fixing seat rotation connection, is provided with written fixing seat, second supporting leg and nib between second supporting leg and nib
Fixing seat rotation connection is additionally provided with for protecting pilot pin and nib and work surface between the first leg and the second supporting leg
Hold the linkage of plumbness, be also respectively provided with ruler and Angle protractor on second supporting leg, one end of the ruler with
The rotation connection of second supporting leg, the end of the Angle protractor is fixedly connected with the other end of ruler.
Preferably, the linkage includes first connecting rod and second connecting rod, the first connecting rod and first leg phase
It is mutually parallel, and one end of first connecting rod and attachment base are rotatablely connected, the other end and pilot pin fixing seat are rotatablely connected, and described second
Connecting rod is parallel to each other with the second supporting leg, and one end of second connecting rod and attachment base are rotatablely connected, and the other end and written fixing seat turn
Dynamic connection facilitates the plumbness for keeping pilot pin and nib with work surface.
Preferably, the top end part of the first leg and the second supporting leg is respectively arranged with the first fluted disc and the second fluted disc,
First fluted disc and first leg are integrally formed, and second fluted disc and the second supporting leg are integrally formed, and the first fluted disc and the
The intermeshing of two fluted discs, helps to be adjusted the spacing of compasses first leg and the second supporting leg.
Preferably, being additionally provided with the sliding slot consistent with its radian on the Angle protractor, tune is provided in the sliding slot
Bolt is saved, the adjusting bolt is connected with the second supporting leg, helps to be adjusted Angle protractor and lock.
Preferably, the side of the pilot pin fixing seat and written fixing seat lower end is all provided with clamping screw, have
Help the replacement adjustment of pilot pin and nib.
The utility model has the technical effect that following aspect: due to being respectively provided on compasses and the second supporting leg
The ruler and Angle protractor of rotation connection, due to being provided with sliding slot and therewith mutually matched adjusting bolt on Angle protractor, from
And ruler, the second supporting leg and Angle protractor can be made to complement each other to form the set squares of multiple angles, so that compasses can draw circle,
It can also draw lines simultaneously, and can measure graphic length and angle, therefore improve the applicability of compasses；Due to being provided with setting
Linkage, the first connecting rod and second connecting rod of linkage are solid with supporting leg, attachment base, pilot pin fixing seat and nib respectively
Reservation forms quadrangle, when adjusting the spacing size of compasses supporting leg, according to the characteristic of quadrangle, can keep supporting leg and company always
Lever it is parallel, i.e. pilot pin fixing seat and written fixing seat also always can be with attachment base keeping parallelism, to ensure that positioning
Needle and nib and work surface holding plumbness, avoid the adjustment to pilot pin and nib, therefore improve what compasses used
Convenience.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multifunctional mathmatical compasses of the utility model；
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing, so that the utility model technology
Scheme is more readily understood and grasps.
In the present embodiment, it is to be understood that term " centre ", "upper", "lower", " top ", " right side ", " left end ",
" top ", " back side ", " middle part ", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, only
It is of the invention for ease of description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, the connection or fixed form between component if not otherwise specified in this embodiment, connection or solid
Determine mode can for fixed by bolt commonly used in the prior art or pin fix or pin shaft connection etc. modes, therefore, this
It is no longer described in detail in embodiment.
As shown in Fig. 1, a kind of multifunctional mathmatical compasses, including turning handle 1, and being in U-shape below turning handle 1 is set and is set
The attachment base 2 set, the turning handle and attachment base are fixed by threads, and are separately positioned on the first of 2 two sides of attachment base
Nib 4 on supporting leg 21 and the second supporting leg 22, and the pilot pin 3 and the second supporting leg 22 that are separately positioned in first leg 21,
Pilot pin fixing seat 31, the first leg 21 and pilot pin fixing seat are provided between the first leg 21 and pilot pin 3
31 are rotatablely connected by shaft, are provided with written fixing seat 41, second supporting leg 22 between second supporting leg 22 and nib 4
It is rotatablely connected with written fixing seat 41 by shaft, it is fixed for making to be additionally provided between the first leg 21 and the second supporting leg 22
Position needle 3 and nib 4 keep the linkage 5 of plumbness with work surface, are also respectively provided with ruler 6 on second supporting leg 22
With Angle protractor 7, one end of the ruler 6 and the second supporting leg 22 are rotatablely connected by shaft, the end of the Angle protractor 7 and ruler
6 other end is integrally formed.The linkage 5 includes first connecting rod 51 and second connecting rod 52, the first connecting rod 51 and the
One supporting leg 21 is parallel to each other, and one end of first connecting rod 51 and attachment base 2 are rotatablely connected by shaft, and the other end and pilot pin are solid
Reservation 31 is rotatablely connected by shaft, and the second connecting rod 52 is parallel to each other with the second supporting leg 22, and one end of second connecting rod 52
It is rotatablely connected with attachment base 2 by shaft, the other end and written fixing seat 41 are rotatablely connected by shaft, help to make pilot pin
3 and written 4 keep the plumbness with work surface.The top end part of the first leg 21 and the second supporting leg 22 is respectively arranged with
One fluted disc 23 and the second fluted disc 24, first fluted disc 23 and first leg 21 are integrally formed, second fluted disc 24 and second
Supporting leg 22 is integrally formed, and the first fluted disc 23 and the intermeshing of the second fluted disc 24, is facilitated to compasses first leg 21 and second
The spacing of supporting leg 22 is adjusted.The sliding slot 71 consistent with its radian is additionally provided on the Angle protractor 7, in the sliding slot 71
It is provided with and adjusts bolt 72, the adjusting bolt 72 is screwed with the second supporting leg 22 by screw thread, helps to carry out Angle protractor 7
It adjusts and locks.The side of 41 lower end of the pilot pin fixing seat 31 and written fixing seat is all provided with clamping screw 8, described
Clamping screw 8 facilitates pilot pin and nib respectively with pilot pin fixing seat 31 and written fixing seat 41 by threads
Replacement adjustment.
The utility model has the technical effect that following aspect: due to being respectively provided on compasses and the second supporting leg
The ruler and Angle protractor of rotation connection, due to being provided with sliding slot and therewith mutually matched adjusting bolt on Angle protractor, from
And ruler, the second supporting leg and Angle protractor can be made to complement each other to form the set squares of multiple angles, so that compasses can draw circle,
It can also draw lines simultaneously, and can measure graphic length and angle, therefore improve the applicability of compasses；Due to being provided with setting
Linkage, the first connecting rod and second connecting rod of linkage are solid with supporting leg, attachment base, pilot pin fixing seat and nib respectively
Reservation forms quadrangle, when adjusting the spacing size of compasses supporting leg, according to the characteristic of quadrangle, can keep supporting leg and company always
Lever it is parallel, i.e. pilot pin fixing seat and written fixing seat also always can be with attachment base keeping parallelism, to ensure that positioning
Needle and nib and work surface holding plumbness, avoid the adjustment to pilot pin and nib, therefore improve what compasses used
Convenience.
Certainly, the representative instance of above only the utility model, in addition to this, the utility model can also have other a variety of
Specific embodiment, all technical solutions formed using equivalent substitution or equivalent transformation all fall within the requires of the utility model protection
Within the scope of.
Claims (5)
1. a kind of multifunctional mathmatical compasses, including turning handle, and the attachment base of the setting that is in U-shape below turning handle is set, and
It is separately positioned on the first leg and the second supporting leg of connection seat both sides, and the pilot pin being separately positioned in first leg and
Nib on two supporting legs, it is characterised in that: it is provided with pilot pin fixing seat between the first leg and pilot pin, described first
Supporting leg and the rotation connection of pilot pin fixing seat, are provided with written fixing seat between second supporting leg and nib, and described second
Leg and the rotation connection of written fixing seat, be additionally provided between the first leg and the second supporting leg for make pilot pin and nib with
Work surface keeps the linkage of plumbness, is also respectively provided with ruler and Angle protractor, the ruler on second supporting leg
One end and the second supporting leg be rotatablely connected, the end of the Angle protractor is fixedly connected with the other end of ruler.
2. a kind of multifunctional mathmatical compasses according to claim 1, it is characterised in that: the linkage includes the first company
Bar and second connecting rod, the first connecting rod are parallel to each other with first leg, and one end of first connecting rod and attachment base are rotatablely connected,
The other end and pilot pin fixing seat are rotatablely connected, and the second connecting rod is parallel to each other with the second supporting leg, and one end of second connecting rod
It is rotatablely connected with attachment base, the other end and written fixing seat are rotatablely connected.
3. a kind of multifunctional mathmatical compasses according to claim 1, it is characterised in that: the first leg and the second supporting leg
Top end part be respectively arranged with the first fluted disc and the second fluted disc, first fluted disc and first leg are integrally formed, described second
Fluted disc and the second supporting leg are integrally formed, and the first fluted disc and the intermeshing of the second fluted disc.
4. a kind of multifunctional mathmatical compasses according to claim 1, it is characterised in that: be additionally provided on the Angle protractor with
Its radian consistent sliding slot is provided with adjusting bolt in the sliding slot, and the adjusting bolt is connected with the second supporting leg.
5. a kind of multifunctional mathmatical compasses according to claim 1, it is characterised in that: the pilot pin fixing seat and nib
The side of fixing seat lower end is all provided with clamping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820160437.5U CN208392931U (en) | 2018-01-30 | 2018-01-30 | A kind of multifunctional mathmatical compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820160437.5U CN208392931U (en) | 2018-01-30 | 2018-01-30 | A kind of multifunctional mathmatical compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208392931U true CN208392931U (en) | 2019-01-18 |
Family
ID=65065823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820160437.5U Expired - Fee Related CN208392931U (en) | 2018-01-30 | 2018-01-30 | A kind of multifunctional mathmatical compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208392931U (en) |
-
2018
- 2018-01-30 CN CN201820160437.5U patent/CN208392931U/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: 20190118 Termination date: 20200130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |