CN203931320U - A kind of gear teaching aid - Google Patents
A kind of gear teaching aid Download PDFInfo
- Publication number
- CN203931320U CN203931320U CN201420196208.0U CN201420196208U CN203931320U CN 203931320 U CN203931320 U CN 203931320U CN 201420196208 U CN201420196208 U CN 201420196208U CN 203931320 U CN203931320 U CN 203931320U
- Authority
- CN
- China
- Prior art keywords
- outer rotor
- gear
- teaching aid
- round
- connecting rod
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of gear teaching aid, belong to instruments used for education field.Gear teaching aid comprises: framework, be located at the clockwork spring in framework, be rotatably mounted to the first outer rotor and the second outer rotor in framework, with coaxial the 3rd outer rotor being connected of the second outer rotor, connecting rod, the gear and the 5th outer rotor all round, the first outer gear sleeve is located at the outside of clockwork spring, and the inwall of the first outer rotor is connected with the output terminal of clockwork spring, the second outer rotor engages with the first outer rotor, one end of connecting rod is fixed on the rotation axis of the second outer rotor, the other end of connecting rod is fixed on all round on the rotation axis of gear, the 5th outer rotor be installed in rotation on the middle part of connecting rod and the 5th outer rotor respectively with the 3rd outer rotor and all round gear engage.The utility model is by such scheme, can demonstrate visually the transmission between motion, the gear that is meshed of gear, the transmission of in-line gears, motion and the transmission etc. of connecting rod, and this gear teaching aid structure is simple, and replacing easy to assemble, is easy to carry.
Description
Technical field
The utility model relates to instruments used for education field, particularly a kind of gear teaching aid.
Background technology
Teaching aid is a kind of aid of teaching, uses teaching aid can make abstract knowledge image, specialize, vividly change.The teaching of gear is the difficult point in mechanical principle classroom, for the ease of the understanding to its gear, in teaching, generally can demonstrate gear with teaching aid.For demonstrating the teaching aid of gear, be mostly to adopt static gear at present, can not demonstrate the transmission of gear visual in imagely.
Utility model content
In order to solve the problem of prior art, the utility model embodiment provides a kind of gear teaching aid.Described technical scheme is as follows:
The utility model embodiment provides a kind of gear teaching aid, described gear teaching aid comprises: framework, be located at the clockwork spring in described framework, be rotatably mounted to the first outer rotor and the second outer rotor in described framework, with coaxial the 3rd outer rotor being connected of described the second outer rotor, connecting rod, the gear and the 5th outer rotor all round, described the first outer gear sleeve is located at the outside of described clockwork spring, and the inwall of described the first outer rotor is connected with the output terminal of described clockwork spring, described the second outer rotor engages with described the first outer rotor, one end of described connecting rod is fixed on the rotation axis of described the second outer rotor, the other end of described connecting rod is fixed on described all round on the rotation axis of gear, described the 5th outer rotor be installed in rotation on the middle part of described connecting rod and described the 5th outer rotor respectively with described the 3rd outer rotor and described all round gear engage.
Alternatively, the radius of described the 3rd outer rotor is less than the radius of described the second outer rotor.
Preferably, described gear teaching aid also comprises and the described coaxial the 6th outer rotor being connected of gear all round, and the radius of described the 6th outer rotor is greater than described radius of gear all round.
Further, described gear teaching aid also comprises an annular wheel engaging with described the 6th outer rotor, described the 3rd outer rotor and the length of the described connecting rod that gear is connected all round and the radius sum of described the 6th outer rotor, equal in length with the radius of described annular wheel.
Preferably, described the first outer rotor, described the second outer rotor, described the 3rd outer rotor, described all round on the surface of gear, described the 5th outer rotor, described the 6th outer rotor and described annular wheel along described gear be radially equipped with mark line, described mark line is straight line.
Alternatively, described the first outer rotor, described the second outer rotor, described the 3rd outer rotor, described all post picture in the surface of gear, described the 5th outer rotor, described the 6th outer rotor and described annular wheel all round.
Alternatively, described the first outer rotor, described the second outer rotor, described the 3rd outer rotor, described gear, described the 5th outer rotor, described the 6th outer rotor and described annular wheel are plastic gear all round.
Particularly, described framework is transparent boxes.
Alternatively, described framework is plastic frame.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Drive the first outer rotor to rotate by clockwork spring, the first outer rotor rotates and drives the second outer rotor engaging with it to rotate, the second outer rotor driven by rotating wheel three outer rotor coaxial with it rotates, drive the by connecting rod gear and the 5th outer rotor rotate around the rotation axis of the second outer rotor all round simultaneously, due to the 5th outer rotor respectively with the 3rd outer rotor and all round gear engage, the 3rd outer rotor rotates and drives the gear and the 5th outer rotor autobiography all round simultaneously, thereby can demonstrate visually the motion of gear, transmission between the gear being meshed, the transmission of in-line gears, the motion of connecting rod and transmission, and clockwork spring and gear are located in framework, be convenient to carrying of gear teaching aid, this gear teaching aid structure is simple, replacing easy to assemble.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of gear teaching aid structure schematic diagram that the utility model embodiment provides.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment
The utility model embodiment provides a kind of gear teaching aid, referring to Fig. 1, this gear teaching aid comprises: framework 1, be located at the clockwork spring 2 in framework 1, be rotatably mounted to the first outer rotor 31 and the second outer rotor 32 in framework 1, with coaxial the 3rd outer rotor 33 being connected of the second outer rotor 32, connecting rod 4, the gear 34 and the 5th outer rotor 35 all round, the first outer rotor 31 is set in the outside of clockwork spring 2, and the inwall of the first outer rotor 31 is connected with the output terminal of clockwork spring 2, the second outer rotor 32 engages with the first outer rotor 31, one end of connecting rod 4 is fixed on the rotation axis of the second outer rotor 32, the other end of connecting rod 4 is fixed on all round on the rotation axis of gear, the 5th outer rotor 35 be installed in rotation on the middle part of connecting rod 4 and the 5th outer rotor 35 respectively with the 3rd outer rotor 33 and all round gear 34 engage.
Alternatively, the radius of the 3rd outer rotor 33 is less than the radius of the second outer rotor 32.If the second outer rotor 32 is identical with the radius of the 3rd outer rotor 33, a gear can shelter from another gear, is inconvenient to observe the coaxial transmission of gear.
Preferably, gear teaching aid also comprise with all round the radius of coaxial the 6th outer rotor 36, the six outer rotors 36 that are connected of gear 34 be greater than radius of gear 34 all round.The 6th outer rotor 36 along with all round gear 34 together around the rotation axis rotation of the second outer rotor 32, and, the 3rd outer rotor 33 rotates and drives the 5th outer rotor 35 engaging with it to rotate, the 5th outer rotor 35 drive engage with it all round gear 34 rotate, the all round gear 34 drive six outer rotor 36 coaxial with it to rotate, all round gear 34, the 5th outer rotor 35, the 6th outer rotor 36 in the rotation axis turnover around the second outer rotor 32 and rotation.
Further, gear teaching aid also comprises an annular wheel 37 engaging with the 6th outer rotor 36, the 3rd outer rotor 33 and the length of the connecting rod 4 that gear 34 is connected all round and the radius sum of the 6th outer rotor 36, equal in length with the radius of annular wheel 37, the rotation of the 6th outer rotor 36, drives the annular wheel 37 engaging with it to rotate.
Preferably, the first outer rotor 31, the second outer rotor 32, the 3rd outer rotor 33, all round on the surface of gear 34, the 5th outer rotor 35, the 6th outer rotor 36 and annular wheel 37 along gear be radially equipped with mark line, mark line is straight line.In the time of the ratio of gear calculating between gear, with aliging in the scale mark of T-shaped chi and the center of circle of tested gear, align with T-shaped chi scale mark in protractor plane one end.In the time that gear does not rotate, then carry out measurement of angle.Angle before rotation is the angle of angle between mark line and scale mark, angle after rotation stops is the angle of angle between mark line and scale mark, 360 ° of the angle+number of turns * before the angle-rotation of the rotational angle=rotation of gear after stopping, rotational angle/the rotation time of the angular velocity=gear of gear, ratio of gear is the ratio of the angular velocity of gear.
Alternatively, the first outer rotor 31, the second outer rotor 32, the 3rd outer rotor 33, all post picture in the surface of gear 34, the 5th outer rotor 35, the 6th outer rotor 36 and annular wheel 37 all round.Picture on the surface label of gear, makes teaching aid more attractive in appearance.
Particularly, picture is gear picture or celestial body picture.For example, can on the first outer rotor 31, the second outer rotor 32, the 3rd outer rotor 33 and annular wheel 37, stick fixed star picture, the sticks planet picture on gear, the 5th outer rotor and the 6th outer rotor 36 all round, so, and the forms of motion by this gear teaching aid between can also demonstrating planet.
Alternatively, the first outer rotor 31, the second outer rotor 32, the 3rd outer rotor 33, gear 34, the 5th outer rotor 35, the 6th outer rotor 36 and annular wheel 37 are plastic gear all round.Plastic gear quality is slim and graceful, be easy to carry, and cost is low.
Particularly, framework 1 can be transparent boxes.More specifically, framework 1 can be transparent boxes A3 paper size, that thickness is 10～20nm.Framework 1 is made as to transparent boxes, can conveniently observes the motion of gear from the arbitrary face of framework 1.
Optionally, framework 1 can be plastic frame, and plastic frame quality is slim and graceful, be easy to carry, and cost is low.
Illustrate below by the course of work of gear teaching aid a kind of gear teaching aid that the utility model embodiment provides.
Give clockwork spring 1 energetically, clockwork spring 1 drives the first outer rotor 31 to rotate, the second outer rotor 32 engaging with the first outer rotor 31 rotates thereupon, three outer rotor 33 coaxial with the second outer rotor 32 rotates, and by connecting rod 4, drive the gear 34 all round, the 5th outer rotor 35 is around the rotation axis rotation of the second outer rotor 32, simultaneously, the rotation of the 3rd outer rotor drives the 5th outer rotor engaging with it to rotate, all round gear 34 engage with the 5th outer rotor 35, all round gear also rotate, the 6th outer rotor 36 is with gear 34 is coaxial all round, the 6th outer rotor 36 is along with the also rotation when gear 34 is around the rotation axis rotation of the second outer rotor 32 all round, the 6th outer rotor 36 drives the annular wheel 37 engaging with the 6th outer rotor 36 to rotate.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: drive the first outer rotor to rotate by clockwork spring, the first outer rotor rotates and drives the second outer rotor engaging with it to rotate, the second outer rotor driven by rotating wheel three outer rotor coaxial with it rotates, drive the by connecting rod gear and the 5th outer rotor rotate around the rotation axis of the second outer rotor all round simultaneously, due to the 5th outer rotor respectively with the 3rd outer rotor and all round gear engage, the 3rd outer rotor rotates and drives the gear and the 5th outer rotor autobiography all round simultaneously, thereby can demonstrate visually the motion of gear, transmission between the gear being meshed, the transmission of in-line gears, the motion of connecting rod and transmission, and clockwork spring and gear are located in framework, be convenient to carrying of gear teaching aid, this gear teaching aid structure is simple, replacing easy to assemble,
All round gear, the 5th outer rotor be connected by connecting rod with the 3rd outer rotor, demonstrated gear drive and link transmission visual in imagely.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a gear teaching aid, it is characterized in that, described gear teaching aid comprises framework, be located at the clockwork spring in described framework, be rotatably mounted to the first outer rotor and the second outer rotor in described framework, with coaxial the 3rd outer rotor being connected of described the second outer rotor, connecting rod, the gear and the 5th outer rotor all round, described the first outer gear sleeve is located at the outside of described clockwork spring, and the inwall of described the first outer rotor is connected with the output terminal of described clockwork spring, described the second outer rotor engages with described the first outer rotor, one end of described connecting rod is fixed on the rotation axis of described the second outer rotor, the other end of described connecting rod is fixed on described all round on the rotation axis of gear, described the 5th outer rotor be installed in rotation on the middle part of described connecting rod and described the 5th outer rotor respectively with described the 3rd outer rotor and described all round gear engage.
2. gear teaching aid according to claim 1, is characterized in that, the radius of described the 3rd outer rotor is less than the radius of described the second outer rotor.
3. gear teaching aid according to claim 1, is characterized in that, described gear teaching aid also comprises and the described coaxial the 6th outer rotor being connected of gear all round, and the radius of described the 6th outer rotor is greater than described radius of gear all round.
4. gear teaching aid according to claim 3, it is characterized in that, described gear teaching aid also comprises an annular wheel engaging with described the 6th outer rotor, described the 3rd outer rotor and the length of the described connecting rod that gear is connected all round and the radius sum of described the 6th outer rotor, equal in length with the radius of described annular wheel.
5. gear teaching aid according to claim 4, it is characterized in that, described the first outer rotor, described the second outer rotor, described the 3rd outer rotor, described all round on the surface of gear, described the 5th outer rotor, described the 6th outer rotor and described annular wheel along described gear be radially equipped with mark line, described mark line is straight line.
6. gear teaching aid according to claim 4, it is characterized in that, described the first outer rotor, described the second outer rotor, described the 3rd outer rotor, described all post picture in the surface of gear, described the 5th outer rotor, described the 6th outer rotor and described annular wheel all round.
7. gear teaching aid according to claim 4, it is characterized in that, described the first outer rotor, described the second outer rotor, described the 3rd outer rotor, described gear, described the 5th outer rotor, described the 6th outer rotor and described annular wheel are plastic gear all round.
8. according to the gear teaching aid described in claim 1-7 any one, it is characterized in that, described framework is transparent boxes.
9. gear teaching aid according to claim 8, is characterized in that, described framework is plastic frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196208.0U CN203931320U (en) | 2014-04-22 | 2014-04-22 | A kind of gear teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196208.0U CN203931320U (en) | 2014-04-22 | 2014-04-22 | A kind of gear teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931320U true CN203931320U (en) | 2014-11-05 |
Family
ID=51827095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420196208.0U Withdrawn - After Issue CN203931320U (en) | 2014-04-22 | 2014-04-22 | A kind of gear teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008692A (en) * | 2014-04-22 | 2014-08-27 | 江汉大学 | Gear training aid |
-
2014
- 2014-04-22 CN CN201420196208.0U patent/CN203931320U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008692A (en) * | 2014-04-22 | 2014-08-27 | 江汉大学 | Gear training aid |
| CN104008692B (en) * | 2014-04-22 | 2017-01-04 | 江汉大学 | A kind of gear teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20161019 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20161019 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |