CN206374425U - It is a kind of to be imparted knowledge to students through tubing with extending broken line drawing ruler - Google Patents
It is a kind of to be imparted knowledge to students through tubing with extending broken line drawing ruler Download PDFInfo
- Publication number
- CN206374425U CN206374425U CN201621215825.6U CN201621215825U CN206374425U CN 206374425 U CN206374425 U CN 206374425U CN 201621215825 U CN201621215825 U CN 201621215825U CN 206374425 U CN206374425 U CN 206374425U
- Authority
- CN
- China
- Prior art keywords
- chi
- square waveform
- chi portion
- tubing
- broken line
- 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 is that one kind is imparted knowledge to students with extending broken line drawing ruler through tubing, including the first chi portion, the second chi portion and the 3rd chi portion being connected, the first chi portion includes the protractor portion and chute chi portion being connected, a square waveform groove is provided with the chute chi portion, top on the square waveform groove vertical direction processes 3~5mm to inside biasing at 1~2mm of lower section, form a square waveform block, the square waveform groove and the square waveform block one square waveform chamber of formation；The second chi portion includes lengthening chi portion and the slide section being connected, and the slide section section is in "convex" shaped, and the slide section is adapted with the square waveform chamber and the slip of left and right and above-below direction can be realized in the square waveform intracavitary；The one end in the 3rd chi portion is movably connected in the protractor portion.The demand that middle polyline drawing is learned through supervisor can be not only met using such structure, chi can also be lengthened according to actual conditions long.
Description
Technical field
The utility model is related to through tubing teaching aid technical field, more particularly to a kind of imparted knowledge to students through tubing is painted with extending broken line
Draw chi.
Background technology
During economic management major course teaching, teacher generally requires economic statistics chart of being painted on blackboard, needs
The angle of various geometric figures and various angles is drawn, in order to realize the drafting of these lines, it is necessary to prepare various instruments, is taken
With cumbersome, and if forgeing one kind therein, the difficulty of drafting will be increased, for classroom instruction now, it is necessary to
It is a kind of quickly to carry out the instrument of various graphic plottings to improve the quality of teaching and efficiency.
And traditional draw tool is ruler, then often there is line chart or tendency in economic statistics chart
Figure, this figure paints inconvenient using ruler, and the chart of drawing is also inaccurate, while of the prior art impart knowledge to students through tubing
It can not also be increased with the length of chi, can not also be met when running into and needing picture very long straight line.
Utility model content
The purpose of this utility model be the shortcoming for overcoming prior art there is provided a kind of observable angle, can paint folding
Line, it is tensile through tubing teaching with extending broken line drawing ruler.
In order to solve the above technical problems, the utility model employs following technical measures：
It is a kind of to be imparted knowledge to students through tubing with extending broken line drawing ruler, including the first chi portion, the second chi portion and the 3rd being connected
Chi portion, the first chi portion includes being provided with a square waveform groove in the protractor portion and chute chi portion being connected, the chute chi portion,
Top on the square waveform groove vertical direction forms a square waveform block to 3~5mm of inside biasing processing at 1~2mm of lower section,
The square waveform groove and the square waveform block one square waveform chamber of formation；The second chi portion includes lengthening chi portion and the cunning being connected
Block portion, the slide section section is in "convex" shaped, and the slide section is adapted with the square waveform chamber and can be in the square waveform
Intracavitary realizes the slip of left and right and above-below direction；The one end in the 3rd chi portion is movably connected in the protractor portion.
As a further improvement, scale is all carried in the protractor portion, chute chi portion, lengthening chi portion and the 3rd chi portion,
And graduation position is all located at the same side.
As a further improvement, the slide section includes sliding part and the lug boss above the sliding part, it is described
Sliding part is adapted with the square waveform groove and the slip of left and right and above-below direction, the lug boss can be realized in square waveform groove
It is adapted with the square waveform block and the slip of left and right and above-below direction can be realized in the square waveform block.
As a further improvement, the lengthening chi portion is fixedly connected on above slide section by the lug boss, and with cunning
Groove chi portion edge keeping parallelism with a scale；It is with a scale that the stroke that the slide section above-below direction is slided is equal to the lengthening chi portion
Edge to chute chi portion edge with a scale distance.
As a further improvement, the sliding part is provided with alignment pin, between the crest and trough of the square waveform groove
The positioning hole being adapted with alignment pin is provided with madial wall.
Shunk as a further improvement, the alignment pin can be realized by the button switch in the lengthening chi portion.
As a further improvement, described square waveform groove one end is got through for dismantling the second chi portion.
As a further improvement, the 3rd chi portion is flexibly connected by bolt with the home position in the protractor portion,
One end that the 3rd chi portion is rotated in the protractor portion is pointer shape.
As a further improvement, the chute chi portion can integrally pass through mold injection molding.
Compared with prior art, the utility model has advantages below：
1st, the utility model is a kind of can be painted broken line through tubing teaching with extending broken line drawing ruler, and can intuitively be observed
To the size of angle.
2nd, the utility model is a kind of can be extended to meet through tubing teaching with the extending broken line drawing ruler broken line that can paint
The setting-out requirement of different length.
Brief description of the drawings
Accompanying drawing 1 is a kind of general assembly schematic diagram imparted knowledge to students through tubing with extending broken line drawing ruler of the utility model；
Accompanying drawing 2 is a kind of structural representation imparted knowledge to students through tubing with the second chi portion of extending broken line drawing ruler of the utility model
Figure；
Accompanying drawing 3 is a kind of enlarged drawing imparted knowledge to students through tubing with the chute chi portion of extending broken line drawing ruler of the utility model.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 3 is refer to, it is a kind of through tubing teaching extending broken line drawing ruler, including the first chi portion being connected
10th, the second chi portion 20 and the 3rd chi portion 30, the first chi portion 10 include the protractor portion 11 and chute chi portion 12 being connected, institute
State and a square waveform groove 121 is provided with chute chi portion, at the top on the square waveform groove vertical direction to 1~2mm of lower section inwardly
Biasing 3~5mm of processing, forms a square waveform block 122, it is preferred that define the top to lower section on the vertical direction of square waveform groove 121
Inwardly 4mm, the square waveform groove 121 and the square waveform block 122 one square waveform chamber of formation, described first are processed in biasing at 1mm
Chi portion 10 is overall to be integrally formed by modes such as mold injection moldings；The second chi portion 20 includes the lengthening chi portion being connected
21 and slide section 22, the section of slide section 22 is in "convex" shaped, and the slide section 22 is adapted with the square waveform chamber and can
The slip of left and right and above-below direction is realized in the square waveform intracavitary；The one end in the 3rd chi portion 30 is movably connected on the amount
In angle device portion 11.It can be painted broken line using such structure, and the size of angle can be visually observed that, can also extended with full
The setting-out requirement of sufficient different length.
Fig. 2 to Fig. 3 is refer to, the slide section 22 includes sliding part 221 and the projection positioned at the top of sliding part 221
Portion 222, the sliding part 221 is adapted with the square waveform groove 121 and left and right and upper and lower can be realized in square waveform groove 121
To slip, the lug boss 222 is adapted with the square waveform block 122 and left and right can be realized in the square waveform block 122
With the slip of above-below direction, the square waveform block 122 plays a part of fixed sliding part and ensures sliding part only in slip side simultaneously
Move up.The sliding part 221 is provided with alignment pin 2211, the inner side between the crest and trough of the square waveform groove 121
The positioning hole 2212 being adapted with alignment pin 2211 is provided with wall.The alignment pin 2211 can be by the lengthening chi portion 21
Button switch 211, which is realized, to be shunk.Slip of the slide section in square waveform groove can not only be realized using such structure, also simultaneously
Firmly slide section can be fixed on the extension position of user's needs to use.
Fig. 1 be refer to Fig. 2, the lengthening chi portion 21 is fixedly connected on sliding part 221 by the lug boss 222
Side, and the edge keeping parallelism with a scale with chute chi portion 12；The stroke that the above-below direction of slide section 22 is slided is equal to described
Chi portion 21 edge with a scale is lengthened to the distance at the chute chi portion 12 edge with a scale, the length in the lengthening chi portion 21
More than the length in chute chi portion 12.Ensure that lengthening chi portion 21 is sticked into using such structure with a scale behind the position of alignment pin 2211
Edge keeps straight line distribution with chute chi portion 121 edge with a scale, it is ensured that setting-out quality.
Fig. 1 is refer to, described one end of square waveform groove 121 is got through for dismantling the second chi portion 20, for user's spirit
Work is used.The 3rd chi portion 30 is flexibly connected by bolt 40 with the home position in the protractor portion 11, the 3rd chi
One end that portion 30 is rotated in the protractor portion 11 is pointer shape and is located just at the arc edge of protractor portion 11.The amount
Angle device portion 11, chute chi portion 12, lengthen scale all carried in chi portion 20 and the 3rd chi portion 30, and graduation position be all located at it is same
Side, is conducive to user practical and observation scale design in the same side.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. should be included in the utility model
Within the scope of protection.
Claims (9)
1. it is a kind of through tubing teaching extending broken line drawing ruler, including the first chi portion, the second chi portion and the 3rd chi being connected
Portion, it is characterised in that：The first chi portion includes being provided with one in the protractor portion and chute chi portion being connected, the chute chi portion
Top on square waveform groove, the square waveform groove vertical direction forms one to 3~5mm of inside biasing processing at 1~2mm of lower section
Square waveform block, the square waveform groove and the square waveform block one square waveform chamber of formation；The second chi portion includes adding for being connected
Long chi portion and slide section, the slide section section are in "convex" shaped, and the slide section is adapted with the square waveform chamber and can be
The square waveform intracavitary realizes the slip of left and right and above-below direction；The one end in the 3rd chi portion is movably connected on the protractor
In portion.
2. one kind according to claim 1 is imparted knowledge to students with extending broken line drawing ruler through tubing, it is characterised in that：The angulation
Scale is all carried in device portion, chute chi portion, lengthening chi portion and the 3rd chi portion, and graduation position is all located at the same side.
3. one kind according to claim 1 is imparted knowledge to students with extending broken line drawing ruler through tubing, it is characterised in that：The sliding block
Portion includes sliding part and the lug boss above the sliding part, and the sliding part is adapted with the square waveform groove and can be
The slip of left and right and above-below direction is realized in square waveform groove, the lug boss is adapted with the square waveform block and can be in the side
The slip of left and right and above-below direction is realized in waveform block.
4. one kind according to claim 3 is imparted knowledge to students with extending broken line drawing ruler through tubing, it is characterised in that：It is described to lengthen
Chi portion is fixedly connected on above slide section by the lug boss, and the edge keeping parallelism with a scale with chute chi portion；It is described
The stroke that slide section above-below direction is slided is equal to lengthening chi portion edge to chute chi portion side with a scale with a scale
The distance of edge.
5. one kind according to claim 3 is imparted knowledge to students with extending broken line drawing ruler through tubing, it is characterised in that：It is described to slide
Portion is provided with alignment pin, the madial wall between the crest and trough of the square waveform groove and is provided with the positioning being adapted with alignment pin
Hole.
6. one kind according to claim 5 is imparted knowledge to students with extending broken line drawing ruler through tubing, it is characterised in that：The positioning
Pin can be realized by the button switch in the lengthening chi portion to be shunk.
7. one kind according to claim 1 is imparted knowledge to students with extending broken line drawing ruler through tubing, it is characterised in that：The square wave
Shape groove one end is got through for dismantling the second chi portion.
8. one kind according to claim 1 is imparted knowledge to students with extending broken line drawing ruler through tubing, it is characterised in that：Described 3rd
Chi portion is flexibly connected by bolt with the home position in the protractor portion, and the 3rd chi portion is rotated in the protractor portion
One end be pointer shape.
9. one kind according to claim 1 is imparted knowledge to students with extending broken line drawing ruler through tubing, it is characterised in that：The chute
Chi portion can integrally pass through mold injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215825.6U CN206374425U (en) | 2016-11-11 | 2016-11-11 | It is a kind of to be imparted knowledge to students through tubing with extending broken line drawing ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215825.6U CN206374425U (en) | 2016-11-11 | 2016-11-11 | It is a kind of to be imparted knowledge to students through tubing with extending broken line drawing ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206374425U true CN206374425U (en) | 2017-08-04 |
Family
ID=59402397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621215825.6U Expired - Fee Related CN206374425U (en) | 2016-11-11 | 2016-11-11 | It is a kind of to be imparted knowledge to students through tubing with extending broken line drawing ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206374425U (en) |
-
2016
- 2016-11-11 CN CN201621215825.6U patent/CN206374425U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20181111 |