CN205881241U - Multifunctional pointer - Google Patents
Multifunctional pointer Download PDFInfo
- Publication number
- CN205881241U CN205881241U CN201620571867.7U CN201620571867U CN205881241U CN 205881241 U CN205881241 U CN 205881241U CN 201620571867 U CN201620571867 U CN 201620571867U CN 205881241 U CN205881241 U CN 205881241U
- Authority
- CN
- China
- Prior art keywords
- pointer
- teacher
- protractor
- multifunctional
- bearing pin
- 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 provides a multifunctional pointer, it relates to a teacher's pointer. The utility model discloses a solving current teacher's pointer function singleness, can not having the function of protractor, ruler, compasses and laser pen simultaneously, the teacher constantly changes when giving lessons and uses, has wasted the time, has disperseed student's attention, influences teaching effects's problem. A multifunctional pointer includes hole, power supply unit, bull stick, chalk clip, shift knob, digital display, control circuit, angular surveying pointer, laser instrument, laser protective housing, teacher's pointer body, first round pin axle, second round pin axle and protractor. The utility model discloses simple structure has saved the teaching time, has improved the teaching efficiency, can get from the momentum and treat the goniometric number of degrees, and data are accurate, convenient to use, the utility model provides a current teacher's pointer function singleness, can not have the function of protractor, ruler, compasses and laser pen simultaneously, influence teaching effects's problem. The utility model discloses can obtain a multifunctional pointer.
Description
Technical field
This utility model relates to a kind of teacher's pointer.
Background technology
The teacher's pointer used in teaching, is to follow, for guiding student sight, the content said on blackboard to move, allows student collect
Middle spirit, and the emphasis of said content is pointed out by teacher's pointer, but common teacher's pointer is at religion indoor light, particularly at the light at night
And under the background of blackboard, show the fuzzyyest to being sitting in the latter half of student in classroom, it is impossible to well play guide and prompting
Effect.
And during teachers, need different teaching aids, and it was required for carrying a lot of teaching aid upper class hour every time, cumbersome, and
Need frequently to change when using different teaching aid, waste instructional blocks of time.The pointer function that teacher uses at present is single, it is impossible to have simultaneously
There is the function of protractor, ruler, compasses and laser pen.
Utility model content
It is single that the purpose of this utility model is intended to solve existing pointer function, it is impossible to have protractor, ruler, compasses simultaneously
With the function of laser pen, teacher constantly changes use, wastes the time when giving lessons, and has disperseed the attention of student, impact religion
The problem learning effect, and a kind of Multifunctional pointer is provided.
A kind of Multifunctional pointer includes hole, electric supply installation, bull stick, chalk clamp, shift knob, digital display screen, control
Circuit, angular surveying pointer, laser instrument, laser protective housing, teacher's pointer body, the first bearing pin, the second bearing pin and protractor；
Have the hole of ellipse on described protractor, protractor is additionally provided with angular surveying pointer, electric supply installation, number
Code display screen and control circuit；Electric supply installation is connected with digital display screen and control circuit respectively thinks that it is powered；
Described angular surveying pointer is hinged with teacher's pointer body by being fixed on the first bearing pin of its end；First bearing pin
And arranging corner change sensor between teacher's pointer body, the signal output part of corner change sensor connects the signal of control circuit
Input, the display signal output part of control circuit is connected to the display signal input part of digital display screen；
Described teacher's pointer body is hinged with the lower end of bull stick by the second bearing pin；The upper end of bull stick is provided with chalk clamp；
Described teacher's pointer body is a telescopic pointer rod；The top of described teacher's pointer body is provided with laser instrument protection
Cover, is provided with laser instrument inside laser protective housing, laser instrument is connected electrically on electric supply installation by shift knob.
Using method of the present utility model and advantage:
One, when drawing circular, use teacher's pointer body and bull stick to draw, rotate bull stick, different radii can be drawn
Circle；
Two, can be drawn by the scale on teacher's pointer body surface when drawing line segment；
Three, when needs measure angle, by sucker, protractor is drawn onto on blackboard, craft can be carried out with throughput hornwork
Measure, it is also possible to by the base of teacher's pointer body and aliging for the treatment of angle measurement, angular surveying pointer and the another side pair treating angle measurement
Together, arranging corner change sensor between the first bearing pin and teacher's pointer body, corner change sensor can select encoder, corner
The signal output part of change sensor connects the signal input part of control circuit, and the display signal output part of control circuit is connected to
The display signal input part of digital display screen；Digital display screen then demonstrates the number of degrees treating angle measurement；
Four, when daytime uses teacher's pointer, being rotated by bull stick and coincide with teacher's pointer body, teacher's hands passes hole, holds teacher's pointer
The bottom of body, explains teacher's pointer body sensing blackboard；
Five, when night and dark, being opened by shift knob, laser instrument emits beam, and points to blackboard, and teacher is when explanation
Can well guide and point out student；
Six, this utility model simple in construction, saves instructional blocks of time, improves teaching efficiency, can treat angle measurement by automatic measurement
The number of degrees, data are accurate, easy to use；
Seven, to solve existing pointer function single for this utility model, it is impossible to has protractor, ruler, compasses simultaneously and swashs
The function of light pen, the problem affecting teaching efficiency.
This utility model can obtain a kind of Multifunctional pointer.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Multifunctional pointer described in detailed description of the invention one.
Detailed description of the invention
Detailed description of the invention one: present embodiment is that a kind of Multifunctional pointer includes hole 1, electric supply installation 2, bull stick 3, powder
Pen clip 4, shift knob 5, digital display screen 6, control circuit 7, angular surveying pointer 8, laser instrument 9, laser protective housing 10, religion
Whip body the 11, first bearing pin the 12, second bearing pin 13 and protractor 14；
Have the hole 1 of ellipse on described protractor 14, protractor 14 is additionally provided with angular surveying pointer 8, power supply
Device 2, digital display screen 6 and control circuit 7；Electric supply installation 2 is connected with digital display screen 6 and control circuit 7 respectively thinks it
Power supply；
Described angular surveying pointer 8 is hinged with teacher's pointer body 11 by being fixed on the first bearing pin 12 of its end；The
Arranging corner change sensor between one bearing pin 12 and teacher's pointer body 11, the signal output part of corner change sensor connects control
The signal input part of circuit 7, the display signal output part of control circuit 7 is connected to the display signal input part of digital display screen 6；
Described teacher's pointer body 11 is hinged with the lower end of bull stick 3 by the second bearing pin 13；The upper end of bull stick 3 is provided with chalk clamp
4；
Described teacher's pointer body 11 is a telescopic pointer rod；The top of described teacher's pointer body 11 is provided with laser instrument and protects
Guard shield 10, the internal laser instrument 9 that is provided with of laser protective housing 10, laser instrument 9 is connected electrically on electric supply installation 2 by shift knob 5.
Fig. 1 is the structural representation of a kind of Multifunctional pointer described in detailed description of the invention one, and in Fig. 1,1 is hole, and 2 are
Electric supply installation, 3 is bull stick, and 4 is chalk clamp, and 5 is shift knob, and 6 is digital display screen, and 7 is control circuit, and 8 is angular surveying
Pointer, 9 is laser instrument, and 10 is laser protective housing, and 11 is teacher's pointer body, and 12 is the first bearing pin, and 13 is the second bearing pin, and 14 is amount
Hornwork.
The using method of present embodiment and advantage:
One, when drawing circular, use teacher's pointer body 11 and bull stick 3 to draw, rotate bull stick 3, difference can be drawn
The circle of radius；
Two, can be drawn by the scale on teacher's pointer body 11 surface when drawing line segment；
Three, when needs measure angle, by sucker, protractor 14 is drawn onto on blackboard, can carry out with throughput hornwork 14
Hand dipping, it is also possible to by the base of teacher's pointer body 11 and aliging for the treatment of angle measurement, angular surveying pointer 8 with treat the another of angle measurement
While alignment, arranging corner change sensor between the first bearing pin 12 and teacher's pointer body 11, corner change sensor can be selected
Encoder, the signal output part of corner change sensor connects the signal input part of control circuit 7, the display letter of control circuit 7
Number outfan is connected to the display signal input part of digital display screen 6；Digital display screen 6 then demonstrates the number of degrees treating angle measurement；
Four, when daytime uses teacher's pointer, being rotated by bull stick 3 and coincide with teacher's pointer body 11, teacher's hands passes hole 1, holds
The bottom of teacher's pointer body 11, points to blackboard by teacher's pointer body 11 and explains；
Five, when night and dark, being opened by shift knob 5, laser instrument 9 emits beam, and points to blackboard, and teacher is in explanation
Time can well guide and point out student；
Six, present embodiment simple in construction, saves instructional blocks of time, improves teaching efficiency, can treat angle measurement by automatic measurement
The number of degrees, data are accurate, easy to use；
Seven, to solve existing pointer function single for present embodiment, it is impossible to has protractor, ruler, compasses simultaneously and swashs
The function of light pen, the problem affecting teaching efficiency.
Present embodiment can obtain a kind of Multifunctional pointer.
Detailed description of the invention two: the present embodiment difference from detailed description of the invention one is: described teacher's pointer body 11
Surface be provided with scale.Other are identical with detailed description of the invention one.
Detailed description of the invention three: the present embodiment difference from detailed description of the invention one or two is: described teacher's pointer is originally
Body 11 is hollow stem.Other are identical with detailed description of the invention one or two.
Detailed description of the invention four: the present embodiment difference from one of detailed description of the invention one to three is: described amount
The back side of hornwork 14 is provided with sucker.Other are identical with detailed description of the invention one to three.
Claims (4)
1. a Multifunctional pointer, it is characterised in that a kind of Multifunctional pointer include hole (1), electric supply installation (2), bull stick (3),
Chalk clamp (4), shift knob (5), digital display screen (6), control circuit (7), angular surveying pointer (8), laser instrument (9), swash
Light device protective cover (10), teacher's pointer body (11), the first bearing pin (12), the second bearing pin (13) and protractor (14)；
Have on described protractor (14) ellipse hole (1), protractor (14) is additionally provided with angular surveying pointer (8),
Electric supply installation (2), digital display screen (6) and control circuit (7)；Electric supply installation (2) is electric with digital display screen (6) and control respectively
Road (7) connects thinks that it is powered；
Described angular surveying pointer (8) is hinged with teacher's pointer body (11) by being fixed on first bearing pin (12) of its end；
Arranging corner change sensor between first bearing pin (12) and teacher's pointer body (11), the signal output part of corner change sensor is even
The signal input part of connection control circuit (7), the display signal output part of control circuit (7) is connected to the aobvious of digital display screen (6)
Show signal input part；
Described teacher's pointer body (11) is hinged with the lower end of bull stick (3) by the second bearing pin (13)；The upper end of bull stick (3) is provided with powder
Pen clip (4)；
Described teacher's pointer body (11) is a telescopic pointer rod；The top of described teacher's pointer body (11) is provided with laser instrument and protects
Guard shield (10), laser protective housing (10) is internal is provided with laser instrument (9), and laser instrument (9) is connected electrically in confession by shift knob (5)
On electric installation (2).
A kind of Multifunctional pointer the most according to claim 1, it is characterised in that the surface of described teacher's pointer body (11) sets
There is scale.
A kind of Multifunctional pointer the most according to claim 1, it is characterised in that described teacher's pointer body (11) is hollow stem.
A kind of Multifunctional pointer the most according to claim 1, it is characterised in that the back side of described protractor (14) is provided with
Sucker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620571867.7U CN205881241U (en) | 2016-06-08 | 2016-06-08 | Multifunctional pointer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620571867.7U CN205881241U (en) | 2016-06-08 | 2016-06-08 | Multifunctional pointer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205881241U true CN205881241U (en) | 2017-01-11 |
Family
ID=57689316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620571867.7U Expired - Fee Related CN205881241U (en) | 2016-06-08 | 2016-06-08 | Multifunctional pointer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205881241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086269A1 (en) * | 2016-11-08 | 2018-05-17 | 上海东哲工贸有限公司 | Angle ruler |
-
2016
- 2016-06-08 CN CN201620571867.7U patent/CN205881241U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086269A1 (en) * | 2016-11-08 | 2018-05-17 | 上海东哲工贸有限公司 | Angle ruler |
| US11187513B2 (en) | 2016-11-08 | 2021-11-30 | Doncero (Shanghai) Industrial Co., Ltd. | Angle ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170111 Termination date: 20170608 |