CN206049140U - It is a kind of can measuring angle compasses for teaching - Google Patents
It is a kind of can measuring angle compasses for teaching Download PDFInfo
- Publication number
- CN206049140U CN206049140U CN201620390319.4U CN201620390319U CN206049140U CN 206049140 U CN206049140 U CN 206049140U CN 201620390319 U CN201620390319 U CN 201620390319U CN 206049140 U CN206049140 U CN 206049140U
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- China
- Prior art keywords
- sleeve
- compasses
- flexible
- teaching
- bar
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- 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 it is a kind of can measuring angle compasses for teaching, including main shaft, sleeve, flexible outer bar and flexible interior bar, the spindle outer wall is socketed with sleeve, the outer wall of the sleeve is provided with flexible outer bar, the inner chamber of the flexible outer bar is connected with flexible interior bar, and the top of the main shaft is mutually fixed with top cap by central shaft, is provided with calibration loop on the inside of the top cap, the bottom of the calibration loop is connected with rotation dish, and the edge of the rotation dish is provided with pointer.This utility model can measuring angle compasses for teaching, by the main shaft, sleeve, top cap, calibration loop, rotation dish and the pointer that arrange, so that the compasses are when being drawn, user can timely hold the angle of drawing, it is convenient to provide for user, also so that the compasses can not only measure the angle of circular arc, while angle that can also be to line with line is measured, the suitability of the compasses is greatly improved not only, while also effectively raising the efficiency of drawing.
Description
Technical field
This utility model is related to teaching field technical field, specially it is a kind of can measuring angle compasses for teaching.
Background technology
At present, what the compasses in applying to impart knowledge to students typically were assembled by mobile jib, secondary bar and movable axis, such teaching is used
Compasses do not have the effect of measurement angle, and when drawing the camber line of special angle if necessary on blackboard, teacher is usual
Can be drawn using different drawing Aids, the strong influence efficiency drawn, while also cause teacher to exist
Generally require to carry many drawing assisting tools when being given lessons, be that teacher brings many inconvenience.
Utility model content
The purpose of this utility model be provide it is a kind of can measuring angle compasses for teaching, to solve in above-mentioned background technology
The problem of proposition.
For achieving the above object, this utility model provides following technical scheme：
It is a kind of can measuring angle compasses for teaching, including main shaft, sleeve, flexible outer bar and flexible interior bar, the main shaft
Bottom is provided with sucker, and its spindle outer wall is also socketed with sleeve, and the outer wall of the sleeve is provided with flexible outer bar, the flexible outer bar
Inner chamber be connected with flexible interior bar.
The top of the main shaft is mutually fixed with top cap by central shaft, and calibration loop is provided with the inside of the top cap, described
The bottom of calibration loop is connected with rotation dish, and the edge of the rotation dish is provided with pointer, the bottom of its rotation dish and sleeve
Mutually fix.
Preferably, the right-hand member of the flexible interior bar is installed with chalk stationary fixture, the inner chamber of its chalk stationary fixture
It is provided with spring.
Preferably, the pointer and the perpendicular mounting structure of calibration loop, in the direction of its pointer and chalk stationary fixture
Heart line is consistent.
Preferably, the top on the right side of the flexible outer bar is respectively equipped with rotation handle and flexible card column, and which rotates handle point
For interior axle and outer sleeve, the bottom of the interior axle is mutually fixed with flexible outer bar, its outer sleeve with interior axle in socket mounting structure, and
The outer wall of outer sleeve is additionally provided with skid resistant course.
Preferably, telescoping center thimble is provided with the middle part of the sucker, is correspondingly provided between the calibration loop and rotation dish
Limit sliding chutes.
Compared with prior art, this utility model has the advantages that：
(1), this utility model can measuring angle compasses for teaching, by arrange main shaft, sleeve, top cap, calibration loop, turn
Moving plate and pointer so that when being drawn, user can timely hold the angle of drawing to the compasses, provide for user
Convenience, also so that the compasses can not only measure the angle of circular arc, while angle that can also be to line with line measures, no
The suitability of the compasses is greatly improved only, while also effectively raising the efficiency of drawing.
(2), this utility model can measuring angle compasses for teaching, pointer and the perpendicular mounting structure of calibration loop, its pointer
Direction it is consistent with the centrage of chalk stationary fixture, such setting enables to the compasses when angle is measured more
Accurately, telescoping center thimble is provided with the middle part of sucker, between calibration loop and rotation dish, is correspondingly provided with limit sliding chutes, can so be kept away
Exempt from rotation dish and occur skew when rotating with calibration loop, it is ensured that the accuracy of the compasses angular surveying.
Description of the drawings
Fig. 1 is this utility model positive structure schematic；
Fig. 2 is this utility model overlooking the structure diagram.
In figure：1 main shaft, 2 suckers, 3 sleeves, 4 flexible outer bars, 5 flexible interior bars, 6 chalk stationary fixtures, 7 central shafts, 8 tops
Cap, 9 calibration loops, 10 rotation dish, 11 pointers.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-2 is referred to, this utility model provides a kind of technical scheme：
It is a kind of can measuring angle compasses for teaching, including main shaft 1, sleeve 3, flexible outer bar 4 and flexible interior bar 5, main shaft 1
Bottom is provided with sucker 2, and the middle part of sucker 2 is provided with telescoping center thimble, and its 1 outer wall of main shaft is also socketed with sleeve 3, outside sleeve 3
Wall is provided with flexible outer bar 4, and the inner chamber of flexible outer bar 4 is connected with flexible interior bar 5, the top difference on the right side of outer bar 4 of stretching
Rotation handle and flexible card column are provided with, which rotates handle and is divided into interior axle and outer sleeve, and the bottom of interior axle is mutually fixed with flexible outer bar,
Its outer sleeve is in socket mounting structure with interior axle, and the outer wall of outer sleeve is additionally provided with skid resistant course, and the right-hand member of interior bar 5 of stretching fixes peace
Equipped with chalk stationary fixture 6, the inner chamber of its chalk stationary fixture 6 is provided with spring.
The top of main shaft 1 is mutually fixed with top cap 8 by central shaft 7, and the inner side of top cap 8 is provided with calibration loop 9, calibration loop 9
Bottom be connected with rotation dish 10, limit sliding chutes are correspondingly provided between calibration loop 9 and rotation dish 10, can so avoid turn
There is skew with calibration loop 9 when rotating in Moving plate 10, it is ensured that the accuracy of the compasses angular surveying, and the edge of rotation dish 10 is arranged
There are pointer 11, pointer 11 and 9 perpendicular mounting structure of calibration loop, the direction of its pointer 11 and the centrage of chalk stationary fixture 6
Unanimously, such setting enables to that the compasses are more accurate when angle is measured, bottom and the sleeve 3 of its rotation dish 10
Mutually fix, this utility model can measuring angle compasses for teaching, by arrange main shaft 1, sleeve 3, top cap 8, calibration loop 9, turn
Moving plate 10 and pointer 11 so that when being drawn, user can timely hold the angle of drawing to the compasses, be user
There is provided convenient, also so that the compasses can not only measure the angle of circular arc, while angle that can also be to line with line is surveyed
Amount, not only greatly improves the suitability of the compasses, while also effectively raising the efficiency of drawing.
Operation principle：This can measuring angle compasses for teaching, when in use, user adsorbs its sucker 2 on blackboard,
The size for drawing radius of circle is adjusted by the length of the flexible interior bar 5 of regulation, when flexible interior bar 5 is rotated, drive turns user
Moving plate 10 is rotated, and moves the pointer 11 in its rotation dish 10, and the scale rotated by pointer 11 is both to draw camber line
Telescoping center thimble in the middle part of sucker 2, when the angle between line and line is measured, is directed at the intersection point of angle, using picture by angle
Round method is measuring the number of degrees of its angle.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. it is a kind of can measuring angle compasses for teaching, including main shaft (1), sleeve (3), flexible outer bar (4) and flexible interior bar (5),
It is characterized in that：The bottom of the main shaft (1) is provided with sucker (2), and its main shaft (1) outer wall is also socketed with sleeve (3), the sleeve
(3) outer wall is provided with flexible outer bar (4), and the inner chamber of the flexible outer bar (4) is connected with flexible interior bar (5)；
The top of the main shaft (1) is mutually fixed with top cap (8) by central shaft (7), is provided with scale on the inside of the top cap (8)
Ring (9), the bottom of the calibration loop (9) are connected with rotation dish (10), and the edge of the rotation dish (10) is provided with pointer
(11), the bottom of its rotation dish (10) is mutually fixed with sleeve (3).
2. it is according to claim 1 it is a kind of can measuring angle compasses for teaching, it is characterised in that：The flexible interior bar (5)
Right-hand member be installed with chalk stationary fixture (6), the inner chamber of its chalk stationary fixture (6) is provided with spring.
3. it is according to claim 1 it is a kind of can measuring angle compasses for teaching, it is characterised in that：The pointer (11) and quarter
The perpendicular mounting structure of degree ring (9), the direction of its pointer (11) are consistent with the centrage of chalk stationary fixture (6).
4. it is according to claim 1 it is a kind of can measuring angle compasses for teaching, it is characterised in that：The flexible outer bar (4)
The top on right side is respectively equipped with rotation handle and flexible card column, and which rotates handle and is divided into interior axle and outer sleeve, the bottom of the interior axle
Portion is mutually fixed with flexible outer bar, and its outer sleeve is in socket mounting structure with interior axle, and the outer wall of outer sleeve is additionally provided with skid resistant course.
5. it is according to claim 1 it is a kind of can measuring angle compasses for teaching, it is characterised in that：In the sucker (2)
Portion is provided with telescoping center thimble, is correspondingly provided with limit sliding chutes between the calibration loop (9) and rotation dish (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390319.4U CN206049140U (en) | 2016-04-28 | 2016-04-28 | It is a kind of can measuring angle compasses for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390319.4U CN206049140U (en) | 2016-04-28 | 2016-04-28 | It is a kind of can measuring angle compasses for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206049140U true CN206049140U (en) | 2017-03-29 |
Family
ID=58372692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390319.4U Expired - Fee Related CN206049140U (en) | 2016-04-28 | 2016-04-28 | It is a kind of can measuring angle compasses for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206049140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583084A (en) * | 2018-05-28 | 2018-09-28 | 喻正江 | A kind of compasses for teaching |
| CN114228373A (en) * | 2021-12-23 | 2022-03-25 | 陈燕 | Auxiliary circle drawing device and method with adaptively protruded chalk heads for teaching |
-
2016
- 2016-04-28 CN CN201620390319.4U patent/CN206049140U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583084A (en) * | 2018-05-28 | 2018-09-28 | 喻正江 | A kind of compasses for teaching |
| CN114228373A (en) * | 2021-12-23 | 2022-03-25 | 陈燕 | Auxiliary circle drawing device and method with adaptively protruded chalk heads for teaching |
| CN114228373B (en) * | 2021-12-23 | 2022-10-11 | 陈燕 | Teaching chalk head adaptability convex auxiliary circle drawing device and method |
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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: 20170329 Termination date: 20180428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |