CN205487089U - Rack and pinion mechanism demonstration teaching aid - Google Patents
Rack and pinion mechanism demonstration teaching aid Download PDFInfo
- Publication number
- CN205487089U CN205487089U CN201620039793.2U CN201620039793U CN205487089U CN 205487089 U CN205487089 U CN 205487089U CN 201620039793 U CN201620039793 U CN 201620039793U CN 205487089 U CN205487089 U CN 205487089U
- Authority
- CN
- China
- Prior art keywords
- pin
- guide rod
- rack
- hinged
- vertical plate
- 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
Links
- 230000007246 mechanism Effects 0.000 title abstract description 19
- 238000010586 diagram Methods 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
本实用新型公开了一种齿轮齿条机构演示教具，它包括底板和垂直于底板的立板，所述立板的顶部设有滑槽，且立板上固定有第一销轴，所述第一销轴与导杆的下端铰接，而导杆的上端通过第二销轴与连杆的一端铰接，连杆的另一端通过第三销轴与滑块铰接，所述滑块与齿条连接，所述齿条上部与齿轮啮合，下部与所述滑槽形成移动副；所述立板的中心设有转轴，所述转轴上装有转轮，所述转轮上偏心设有销钉；所述导杆上开有导槽，所述销钉可在所述导杆的导槽内滑移。该教具可以用来讲授摆动导杆机构和齿轮齿条机构的工作原理，还可以用来绘制机构运动简图和计算自由度。
The utility model discloses a rack and pinion mechanism demonstration teaching aid, which comprises a bottom plate and a vertical plate perpendicular to the bottom plate, a chute is arranged on the top of the vertical plate, and a first pin shaft is fixed on the vertical plate. A pin is hinged to the lower end of the guide rod, while the upper end of the guide rod is hinged to one end of the connecting rod through the second pin, and the other end of the connecting rod is hinged to the slider through the third pin, and the slider is connected to the rack , the upper part of the rack meshes with the gear, and the lower part forms a moving pair with the chute; the center of the vertical plate is provided with a rotating shaft, and the rotating shaft is equipped with a runner, and a pin is eccentrically arranged on the runner; A guide groove is opened on the guide rod, and the pin can slide in the guide groove of the guide rod. The teaching aid can be used to teach the working principle of the swing guide rod mechanism and the rack and pinion mechanism, and can also be used to draw a schematic motion diagram of the mechanism and calculate the degree of freedom.
Description
技术领域technical field
本实用新型涉及一种齿轮齿条机构演示教具。The utility model relates to a demonstration teaching tool for a rack and pinion mechanism.
背景技术Background technique
为了便于学生对常用机械机构的理解，常常配合教具演示教学。目前现有教具只能演示单一机械机构，而不能体现机构的实际应用，这种单一教具脱离实际应用，教学效果不好。In order to facilitate students' understanding of commonly used mechanical mechanisms, teaching aids are often used to demonstrate teaching. At present, the existing teaching aids can only demonstrate a single mechanical mechanism, but cannot reflect the actual application of the mechanism. This single teaching aid is divorced from the actual application, and the teaching effect is not good.
实用新型内容Utility model content
本实用新型目的是针对现有技术存在的缺陷，提供一种齿轮齿条机构演示教具。The purpose of the utility model is to provide a demonstration teaching tool for a rack and pinion mechanism aiming at the defects in the prior art.
本实用新型为实现上述目的，采用如下技术方案：一种齿轮齿条机构演示教具，包括底板和垂直于底板的立板，所述立板的顶部设有滑槽，且立板上固定有第一销轴，所述第一销轴与导杆的下端铰接，而导杆的上端通过第二销轴与连杆的一端铰接，连杆的另一端通过第三销轴与滑块铰接，所述滑块与齿条连接，所述齿条上部与齿轮啮合，下部与所述滑槽形成移动副；所述立板的中心设有转轴，所述转轴上装有转轮，所述转轮上偏心设有销钉；所述导杆上开有导槽，所述销钉可在所述导杆的导槽内滑移。In order to achieve the above purpose, the utility model adopts the following technical scheme: a rack and pinion mechanism demonstration teaching aid, including a bottom plate and a vertical plate perpendicular to the bottom plate, the top of the vertical plate is provided with a chute, and the vertical plate is fixed with a second A pin shaft, the first pin shaft is hinged with the lower end of the guide rod, and the upper end of the guide rod is hinged with one end of the connecting rod through the second pin shaft, and the other end of the connecting rod is hinged with the slider through the third pin shaft, so The slider is connected to the rack, the upper part of the rack meshes with the gear, and the lower part forms a moving pair with the chute; the center of the vertical plate is provided with a rotating shaft, and a running wheel is installed on the rotating shaft. A pin is provided eccentrically; a guide groove is opened on the guide rod, and the pin can slide in the guide groove of the guide rod.
本实用新型的有益效果是，将摆动导杆机构和齿轮齿条机构有机地组合起来，从而实现了将转轮的连续回转运动转变为齿轮的周期性正反向转动，满足了某些场合的特殊需要。该教具可以用来讲授摆动导杆机构和齿轮齿条机构的工作原理，还可以用来绘制机构运动简图和计算自由度。The beneficial effect of the utility model is that the swing guide rod mechanism and the rack and pinion mechanism are organically combined, thereby realizing the transformation of the continuous rotary motion of the runner into the periodic forward and reverse rotation of the gear, which meets the needs of certain occasions. special needs. The teaching aid can be used to teach the working principle of the swing guide rod mechanism and the rack and pinion mechanism, and can also be used to draw a schematic motion diagram of the mechanism and calculate the degree of freedom.
附图说明Description of drawings
图为本实用新型的示意图。The figure is a schematic diagram of the utility model.
具体实施方式detailed description
如图所示，一种齿轮齿条机构演示教具，包括底板1和垂直于底板1的立板2，所述立板2的顶部设有滑槽14，且立板2上固定有第一销轴3，所述第一销轴3与导杆4的下端铰接，而导杆4的上端通过第二销轴8与连杆9的一端铰接，所述连杆9的另一端通过第三销轴11与滑块12铰接，所述滑块12与齿条10连接，所述齿条10上部与齿轮13啮合，下部与滑槽14形成移动副；所述立板2的中心设有转轴6，所述转轴6上装有转轮7，所述转轮7上偏心设有销钉5；所述导杆4上开有导槽，所述销钉5可在所述导杆4的导槽内滑移。转轮7、销钉5、导杆4构成摆动导杆机构，齿轮13、齿条10以及滑槽14构成齿轮齿条机构。As shown in the figure, a rack and pinion mechanism demonstration teaching aid includes a bottom plate 1 and a vertical plate 2 perpendicular to the bottom plate 1, the top of the vertical plate 2 is provided with a chute 14, and the vertical plate 2 is fixed with a first pin shaft 3, the first pin shaft 3 is hinged with the lower end of the guide rod 4, and the upper end of the guide rod 4 is hinged with one end of the connecting rod 9 through the second pin shaft 8, and the other end of the connecting rod 9 is connected through the third pin The shaft 11 is hinged with the slider 12, the slider 12 is connected with the rack 10, the upper part of the rack 10 meshes with the gear 13, and the lower part forms a moving pair with the chute 14; the center of the vertical plate 2 is provided with a rotating shaft 6 , the rotating shaft 6 is equipped with a runner 7, and the runner 7 is eccentrically provided with a pin 5; the guide rod 4 has a guide groove, and the pin 5 can slide in the guide groove of the guide rod 4 shift. Runner 7, pin 5, guide rod 4 constitute a swing guide rod mechanism, and gear 13, rack 10 and chute 14 constitute a rack and pinion mechanism.
通过电动或者手动驱动转轮7转动，其上销钉5在导杆4导槽内滑移，推动导杆4做摆动运动，导杆4又通过连杆9与滑块12铰接，推动滑块12做往返直线运动，滑块12又带动齿条10做往返直线运动，从而实现齿轮13的周期性正反向转动。The rotating wheel 7 is driven by electric or manual rotation, and the upper pin 5 slides in the guide groove of the guide rod 4, pushing the guide rod 4 to make a swing movement, and the guide rod 4 is hinged with the slider 12 through the connecting rod 9, pushing the slider 12 Performing a reciprocating linear motion, the slider 12 drives the rack 10 to perform a reciprocating linear motion, thereby realizing periodic forward and reverse rotation of the gear 13 .
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039793.2U CN205487089U (en) | 2016-01-10 | 2016-01-10 | Rack and pinion mechanism demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039793.2U CN205487089U (en) | 2016-01-10 | 2016-01-10 | Rack and pinion mechanism demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487089U true CN205487089U (en) | 2016-08-17 |
Family
ID=56668142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620039793.2U Expired - Fee Related CN205487089U (en) | 2016-01-10 | 2016-01-10 | Rack and pinion mechanism demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205487089U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744453A (en) * | 2017-12-04 | 2018-03-02 | 李镜萍 | One kind is exclusively used in medical patient and massages pin equipment |
| CN110523134A (en) * | 2019-09-24 | 2019-12-03 | 大通丰收农牧科技有限公司 | A kind of edible oil filter plant and its filter method |
| CN112247640A (en) * | 2020-09-21 | 2021-01-22 | 罗刚 | Equipment surface layer precision cutting device for oil cylinder machining |
-
2016
- 2016-01-10 CN CN201620039793.2U patent/CN205487089U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744453A (en) * | 2017-12-04 | 2018-03-02 | 李镜萍 | One kind is exclusively used in medical patient and massages pin equipment |
| CN110523134A (en) * | 2019-09-24 | 2019-12-03 | 大通丰收农牧科技有限公司 | A kind of edible oil filter plant and its filter method |
| CN112247640A (en) * | 2020-09-21 | 2021-01-22 | 罗刚 | Equipment surface layer precision cutting device for oil cylinder machining |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202523298U (en) | Mapper for cam gear movement rules | |
| CN203849928U (en) | Mechanical design curriculum combined teaching aid | |
| CN206506405U (en) | A kind of reciprocating mechanism with stroke enlarging function | |
| CN205487089U (en) | Rack and pinion mechanism demonstration teaching aid | |
| CN103978815B (en) | A kind of manual cam mechanism indicatrix drawing instrument | |
| CN204029263U (en) | Changeable cam drawing demonstrator | |
| CN104057755B (en) | A kind of Plate Cam with Swinging Follower contour curve reverse mechanism | |
| CN207182774U (en) | A kind of rote teaching rack pinion apparatus for demonstrating | |
| CN206154247U (en) | Workstation with adjustable can realize straight line and rotary motion's position | |
| CN203902062U (en) | Manual cam mechanism characteristic curve drawing instrument | |
| CN105261288A (en) | A transmission four-bar mechanism teaching aid | |
| CN205428354U (en) | Multi -functional plane link mechanism teaching mode | |
| CN204965902U (en) | Integrated transmission structure of machinery teaching aid | |
| CN104299508A (en) | Cam profile curve plotting demonstration instrument | |
| CN203799529U (en) | Teaching aid for general position straight line surface changing method | |
| CN203920141U (en) | Cam profile curve plotter | |
| CN202612528U (en) | Transmission device for converting linear reciprocating motion into rotary motion | |
| CN203752749U (en) | Teaching tool for drawing involute | |
| CN202510806U (en) | Numerical control flow valve | |
| CN205247768U (en) | Machinery link motion principle demonstration teaching aid | |
| CN206003435U (en) | A kind of mechanical realization for following the trail of parallelogram | |
| CN105405352A (en) | Demonstration teaching tool of movement principles of mechanical connection rod | |
| CN203920145U (en) | A kind of Plate Cam with Swinging Follower contour curve reverse mechanism | |
| CN204791753U (en) | Novel gear model becomes experiment machine | |
| CN202805197U (en) | Rotation regulation positioning device of full-automatic mechanical arm |
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: 20160817 Termination date: 20170110 |