CN206012123U - A kind of multifunction teaching set square with the positive negative angle change of demonstration - Google Patents
A kind of multifunction teaching set square with the positive negative angle change of demonstration Download PDFInfo
- Publication number
- CN206012123U CN206012123U CN201620759036.2U CN201620759036U CN206012123U CN 206012123 U CN206012123 U CN 206012123U CN 201620759036 U CN201620759036 U CN 201620759036U CN 206012123 U CN206012123 U CN 206012123U
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- CN
- China
- Prior art keywords
- set square
- light
- infrared shot
- arc strip
- negative angle
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Abstract
The utility model discloses a kind of with the multifunction teaching set square for demonstrating positive negative angle change, it includes set square body, arc strip, scale, slender tube body, the first infrared shot-light, rotating spot lamp, anchor point, the second infrared shot-light, circumferential opening, connection bearing pin, pointer, circular scale, circumferential strap, helical indicator and fix bar；This utility model provides a kind of with the multifunction teaching set square for demonstrating positive negative angle change, structure is novel, angle is convenient for measuring by the first infrared shot-light and the second infrared shot-light and rotating spot lamp, in addition the helical indicator for arranging can demonstrate the size at positive and negative angle, change, to increasing the perceptual knowledge of student, attract the attention of student, improve student learning interest, in addition clock setting facilitates educational administration personnel to check the time.
Description
Technical field
This utility model is related to teaching equipment field, specially a kind of with the multifunction teaching use for demonstrating positive negative angle change
Set square.
Background technology
Math teaching aid oneself through being indispensable important component part in mathematical education.It may be said that reasonably can make
With math teaching aid oneself through having directly influenced the effect of mathematical education；Teaching ruler in teaching, often use by commonly used teaching
Tool, in especially tangible mathematical education, often uses set square, but the set square single function of traditional teaching, in addition
Interesting poor.
Utility model content
The purpose of this utility model is to provide a kind of multifunction teaching set square with the positive negative angle change of demonstration, with
Solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme：
A kind of multifunction teaching set square with the positive negative angle change of demonstration, it includes set square body, the triangle
On chi body hypotenuse, with hypotenuse parallel direction on be provided with slender tube body, the slender tube body be transparent tube body, the elongated tubular
Body end arranges and is respectively arranged with the first infrared shot-light and the second infrared shot-light, and the first infrared shot-light and second infrared is penetrated
The transmitting light of lamp is projected along slender tube body central axis on same straight line, and parallel with the hypotenuse of set square body,
Arc strip is provided with the set square body, on the arc strip, scale is provided with, the corresponding center of circle of the arc strip is thin
On long body central axis, at the corresponding home position of the arc strip, rotating spot lamp is provided with, the rotating spot lamp lateral wall
The upper arc strip circle centre position that corresponds to is provided with anchor point, and the rotating spot lamp transmitting light meets at arc with slender tube body central axis
The corresponding home position of bar, is provided with circumferential opening in the corresponding arc strip of the set square body, and the circumferential opening is correspondingly justified
Connection bearing pin is provided with the heart, is connected with pointer and fix bar, the fix bar other end and set square on the connection bearing pin
Body connects, and is provided with helical indicator, is provided with circumferential strap on the circumferential opening between the pointer and fix bar, described
Circular scale is provided with circumferential strap, the set square is originally symmetrically set with button cell in vivo, described first infrared penetrates
Lamp, rotating spot lamp and the second infrared shot-light are respectively by wire through the first infrared shot-light shift knob, rotating spot lamp shift knob
It is connected with button cell with the second infrared shot-light shift knob, the set square body right-angle side position that crosses is provided with clock,
The clock is embedded on set square body surface.
Used as the further technical scheme of this utility model, the set square body short right-angle side and long right-angle side are respectively provided with
There is length scale.
Used as this utility model further technical scheme, the scale is angle index.
Used as this utility model further technical scheme, the helical indicator is concentric with circumferential opening.
Compared with prior art, this utility model provides a kind of with the multifunction teaching triangle for demonstrating positive negative angle change
Chi, structure are novel, are convenient for measuring angle by the first infrared shot-light and the second infrared shot-light and rotating spot lamp, the spiral shell in addition arranging
Rotation indicator can demonstrate the size at positive and negative angle, change, to increasing the perceptual knowledge of student, attract the attention of student, improve and learn
Raw learning interest, in addition clock setting facilitate educational administration personnel to check the time.
Description of the drawings
Fig. 1 is a kind of structural representation with the multifunction teaching set square for demonstrating positive negative angle change of this utility model
Figure.
Fig. 2 is a kind of helical indicator with the multifunction teaching set square for demonstrating positive negative angle change of this utility model
Structural representation.
In figure：1- set square bodies, 2- arc strips, 3- scales, 4- slender tube bodies, the first infrared shot-lights of 5-, 6- rotary irradiatings
Lamp, 7- anchor points, the second infrared shot-lights of 8-, 9- circumferential openings, 10- connect bearing pin, 11- pointers, 12- circular scales, 13- circumference
Bar, 14- helical indicators, 15- fix bars, 16- button cells, the first infrared shot-light shift knobs of 17-, 18- rotating spot lamps are opened
Close button, the second infrared shot-light shift knobs of 19-, 20- clocks.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Fig. 1-2 is referred to, a kind of with the multifunction teaching set square for demonstrating positive negative angle change, it includes set square sheet
Body 1,1 short right-angle side of set square body and long right-angle side are provided with length scale, on 1 hypotenuse of set square body,
Be provided with slender tube body 4 in hypotenuse parallel direction, the slender tube body 4 is transparent tube body, and 4 end of the slender tube body sets
Put and be respectively arranged with the first infrared shot-light 5 and the second infrared shot-light 8, the first infrared shot-light 5 and the second infrared shot-light 8 are sent out
Penetrate light to project along 4 central axis of slender tube body on same straight line, and parallel with the hypotenuse of set square body 1, described
Arc strip 2 is provided with set square body 1, scale 3 is provided with the arc strip, and the scale 3 is angle index, the arc
The 2 corresponding center of circle of shape bar is provided with rotary irradiating at the corresponding home position of the arc strip 2 on 4 central axis of slender tube body
Lamp 10, on 6 lateral wall of the rotating spot lamp, corresponding 2 circle centre position of arc strip is provided with anchor point 7,6 launching light of the rotating spot lamp
Line meets at the corresponding home position of arc strip 2 with 4 central axis of slender tube body, sets in the corresponding arc strip 2 of the set square body 1
Circumferential opening 9 is equipped with, the corresponding circle centre position of the circumferential opening 9 is provided with connection bearing pin 10, is connected with the connection bearing pin 10
Pointer 11 and fix bar 15,15 other end of the fix bar are connected with set square body 1, between the pointer 11 and fix bar 15
Helical indicator 14 is provided with, the helical indicator 14 is concentric with circumferential opening 9, on the circumferential opening 9, is provided with circumference
Bar 13, is provided with circular scale 12, is symmetrically set with button cell in the set square body 1 in the circumferential strap 13
16, the first infrared shot-light 5, rotating spot lamp 6 and the second infrared shot-light 8 are pressed through the first infrared shot-light switch by wire respectively
Button 17, rotating spot lamp shift knob 18 and the second infrared shot-light shift knob 19 are connected with button cell 16, the set square sheet
1 right-angle side of the body position that crosses is provided with clock 20, and the clock 20 is embedded on 1 surface of set square body.
Utility model works principle：It is fixed to be coordinated by the first infrared shot-light 5 and the second infrared shot-light 8 and rotating spot lamp 6
Site 7 is convenient for measuring angle, and the helical indicator 14 in addition arranging can demonstrate size, the change at positive and negative angle, to increasing student's
Perceptual knowledge, attracts the attention of student, improves student learning interest, when in addition clock 20 is arranged and facilitates educational administration personnel to check
Between.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective
Various changes can be made.
Claims (4)
1. a kind of with the multifunction teaching set square for demonstrating positive negative angle change, it includes set square body, it is characterised in that
On the set square body hypotenuse, with hypotenuse parallel direction on be provided with slender tube body, the slender tube body be transparent tube body, institute
State slender tube body end and arrange and be respectively arranged with the first infrared shot-light and the second infrared shot-light, the first infrared shot-light and the
The transmitting light of two infrared shot-lights is projected along slender tube body central axis on same straight line, and oblique with set square body
Side is parallel, is provided with arc strip, is provided with scale on the arc strip on the set square body, the corresponding circle of the arc strip
The heart is provided with rotating spot lamp at the corresponding home position of the arc strip, the rotating spot lamp on slender tube body central axis
On lateral wall, corresponding arc strip circle centre position is provided with anchor point, and the rotating spot lamp transmitting light is handed over slender tube body central axis
In the corresponding home position of arc strip, circumferential opening is provided with the corresponding arc strip of the set square body, the circumferential opening
Corresponding circle centre position is provided with connection bearing pin, is connected with pointer and fix bar on the connection bearing pin, the fix bar other end with
Set square body connects, and is provided with helical indicator, is provided with circumference on the circumferential opening between the pointer and fix bar
Bar, is provided with circular scale in the circumferential strap, and the set square is originally symmetrically set with button cell in vivo, and described first
Infrared shot-light, rotating spot lamp and the second infrared shot-light are opened through the first infrared shot-light shift knob, rotating spot lamp by wire respectively
Close button and the second infrared shot-light shift knob to be connected with button cell, the set square body right-angle side position that crosses is provided with
Clock, the clock are embedded on set square body surface.
2. according to claim 1 a kind of with the multifunction teaching set square for demonstrating positive negative angle change, its feature exists
Length scale is provided with, the set square body short right-angle side and long right-angle side.
3. according to claim 1 a kind of with the multifunction teaching set square for demonstrating positive negative angle change, its feature exists
In the scale is angle index.
4. according to claim 1 a kind of with the multifunction teaching set square for demonstrating positive negative angle change, its feature exists
In the helical indicator is concentric with circumferential opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620759036.2U CN206012123U (en) | 2016-07-19 | 2016-07-19 | A kind of multifunction teaching set square with the positive negative angle change of demonstration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620759036.2U CN206012123U (en) | 2016-07-19 | 2016-07-19 | A kind of multifunction teaching set square with the positive negative angle change of demonstration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206012123U true CN206012123U (en) | 2017-03-15 |
Family
ID=58244997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620759036.2U Expired - Fee Related CN206012123U (en) | 2016-07-19 | 2016-07-19 | A kind of multifunction teaching set square with the positive negative angle change of demonstration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206012123U (en) |
-
2016
- 2016-07-19 CN CN201620759036.2U patent/CN206012123U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170315 Termination date: 20170719 |