CN205645077U - Mechanical cam drive mechanism demonstrates teaching aid - Google Patents
Mechanical cam drive mechanism demonstrates teaching aid Download PDFInfo
- Publication number
- CN205645077U CN205645077U CN201620194809.7U CN201620194809U CN205645077U CN 205645077 U CN205645077 U CN 205645077U CN 201620194809 U CN201620194809 U CN 201620194809U CN 205645077 U CN205645077 U CN 205645077U
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- China
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- transmission shaft
- cam
- power transmission
- gear
- end cover
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- Expired - Fee Related
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Abstract
Mechanical cam drive mechanism demonstrates teaching aid belongs to instruments used for education technical field. The supporting shoe is equipped with respectively admittedly to the both sides of bottom plate, is provided with first transmission shaft, secondary drive axle and third transmission shaft between the supporting shoe of both sides, and the one end cover of first transmission shaft is equipped with the hand wheel, and other end cover is equipped with the pinion, secondary drive axle one end cover is equipped with the gear wheel, becomes gear drive with little gear -type, and secondary drive axle other end cover is equipped with big band pulley, third transmission shaft one end cover is equipped with the taeniola wheel, and the cover is equipped with the belt and forms pulley drive between the big band pulley, and the other end cover of third transmission shaft is equipped with the cam, and fixed mounting has the support on the supporting shoe of cam below, is equipped with the ejector pin that can reciprocate on the support, and the ejector pin cover is equipped with the spring, and the profile curve contact of ejector pin and cam is rotated through the cam, drives the ejector pin and reciprocates. The utility model discloses the equipment is convenient, and be convenient for mr's explanation and student understand.
Description
Technical field
This utility model belongs to technical field of teaching instruments, especially relevant with mechanical cam drive mechanism demonstration teaching aid.
Background technology
At present, all kinds of Vocationl Technical Colleges in the whole nation and vestibule school offer substantial amounts of mechanical major, mechanical basic curriculum is the important component part in the study of mechanical major course, mechanical basic curriculum can relate to a lot of machine driving, such as gear drive, V belt translation, chain gear transmission, screw-driven, cam drive etc., in teaching process, teacher is in order to allow student more intuitively understand mechanical transmission mechanism feature, operation principle and structure, mechanical mechanism demonstration teaching aid is often used to carry out actual presentation, traditional mechanical mechanism teaching aid is bulky, structure bulky is the most portable, use also inconvenient, student can not be allowed to start to dismantle, teaching efficiency is undesirable.
Utility model content
The purpose of this utility model aim to solve the problem that existing machinery demonstration teaching aid bulky in-convenience in use, the defect that produced teaching efficiency is undesirable, there is provided a kind of easy to assembly, can allow the understanding mechanically operated mechanical cam drive mechanism demonstration teaching aid of student's more dramatic.
For this, this utility model is by the following technical solutions: mechanical cam drive mechanism demonstration teaching aid, it is characterized in that, described demonstration teaching aid includes base plate, and the both sides of base plate are installed with a bracer respectively, are provided with the first power transmission shaft, second driving shaft and the 3rd power transmission shaft between supported on both sides block, the two ends of each power transmission shaft are all arranged on a bracer of both sides by roller bearings, all of power transmission shaft is parallel to each other, and one end of the first power transmission shaft is set with handwheel, and the other end is set with little gear；Second driving shaft is set with gear wheel with one end of described little gear homonymy, and gear wheel engages formation gear drive with little gear, and the second driving shaft other end is set with big belt wheel；3rd power transmission shaft is set with small pulley with one end of described big belt wheel homonymy, it is set with belt between small pulley and described big belt wheel and forms belt wheel transmission, the other end of the 3rd power transmission shaft is set with cam, it is installed with bearing on a bracer below cam, bearing is provided with the push rod that can move up and down, and top stem casing is provided with spring, and push rod contacts with the contour curve of cam, by cam rotation, push rod is driven to move up and down.
This utility model can reach following beneficial effect: 1, by the demonstration of teaching aid, student can more visual pattern understand the structure of cam drive and feature, structure to gear drive and belt wheel transmission mechanism has an image understanding simultaneously, makes student's memory understandable, easy and actual application；2, this teaching aid structure is simple, easy to assembly, and any part can individually be dismantled and install, it is simple to teacher's explanation and student understand, improve student learning interest, teaching efficiency is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is other direction structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in detail.
As depicted in figs. 1 and 2, this utility model includes base plate 10, the both sides of base plate 10 are installed with a bracer 9 respectively, the first power transmission shaft 11, second driving shaft 4 and the 3rd power transmission shaft 5 it is provided with between supported on both sides block 9, the two ends of each power transmission shaft are all arranged on a bracer 9 of both sides by roller bearings, all of power transmission shaft is parallel to each other, and one end of the first power transmission shaft 11 is set with handwheel 1, and the other end is set with little gear 13；Second driving shaft 4 is set with gear wheel 6 with one end of described little gear 13 homonymy, and gear wheel 6 engages formation gear drive with little gear 13, and second driving shaft 4 other end is set with big belt wheel 2；3rd power transmission shaft 5 is set with small pulley 3 with one end of described big belt wheel 2 homonymy, it is set with belt 12 between small pulley 3 and described big belt wheel 2 and forms belt wheel transmission, the other end of the 3rd power transmission shaft 5 is set with cam 7, it is installed with bearing 8 on a bracer 9 below cam 7, bearing 8 is provided with the push rod 14 that can move up and down, and push rod 14 is arranged with spring 15, and push rod 14 contacts with the contour curve of cam 7, rotated by cam 7, drive push rod 14 to move up and down.
During this utility model demonstration, hand rotation handwheel 1, the first power transmission shaft 11 is driven to rotate, driving little gear 13 to rotate, little gear 13 drives gear wheel 6 to rotate by meshed transmission gear, and gear wheel 6 is rotated by the big belt wheel 2 that rotarily drives of second driving shaft 4, big belt wheel 2 drives small pulley 3 to rotate by belt 12, small pulley 3 is rotated by the cam 7 that rotarily drives of the 3rd power transmission shaft 5, and the contour curve of cam 7 leans push rod 14, drives push rod 14 to move up and down.Complete the demonstration of gear drive, belt wheel transmission and cam drive.
Claims (1)
1. mechanical cam drive mechanism demonstration teaching aid, it is characterized in that: described demonstration teaching aid includes base plate, the both sides of base plate are installed with a bracer respectively, the first power transmission shaft, second driving shaft and the 3rd power transmission shaft it is provided with between supported on both sides block, the two ends of each power transmission shaft are all arranged on a bracer of both sides by roller bearings, all of power transmission shaft is parallel to each other, and one end of the first power transmission shaft is set with handwheel, and the other end is set with little gear；Second driving shaft is set with gear wheel with one end of described little gear homonymy, and gear wheel engages formation gear drive with little gear, and the second driving shaft other end is set with big belt wheel；3rd power transmission shaft is set with small pulley with one end of described big belt wheel homonymy, it is set with belt between small pulley and described big belt wheel and forms belt wheel transmission, the other end of the 3rd power transmission shaft is set with cam, it is installed with bearing on a bracer below cam, bearing is provided with the push rod that can move up and down, and top stem casing is provided with spring, and push rod contacts with the contour curve of cam, by cam rotation, push rod is driven to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194809.7U CN205645077U (en) | 2016-03-14 | 2016-03-14 | Mechanical cam drive mechanism demonstrates teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194809.7U CN205645077U (en) | 2016-03-14 | 2016-03-14 | Mechanical cam drive mechanism demonstrates teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205645077U true CN205645077U (en) | 2016-10-12 |
Family
ID=57077241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620194809.7U Expired - Fee Related CN205645077U (en) | 2016-03-14 | 2016-03-14 | Mechanical cam drive mechanism demonstrates teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205645077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112863300A (en) * | 2021-01-27 | 2021-05-28 | 贵州金之翼大数据科技有限公司 | Education science and technology is with safe type teaching aid |
-
2016
- 2016-03-14 CN CN201620194809.7U patent/CN205645077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112863300A (en) * | 2021-01-27 | 2021-05-28 | 贵州金之翼大数据科技有限公司 | Education science and technology is with safe type teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170605 Address after: 2001, room 2101, room 1, Guotai hi tech building, 479 Minhe Road, Xiaoshan District, Zhejiang, Hangzhou, 311200 Patentee after: Hangzhou Himalaya Information Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 528 Patentee before: Zhejiang Institute of Mechanical & Electrical Engineering |
|
| 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: 20161012 Termination date: 20180314 |