CN203085000U - Demonstrator for revolute four-bar mechanism - Google Patents
Demonstrator for revolute four-bar mechanism Download PDFInfo
- Publication number
- CN203085000U CN203085000U CN 201320113077 CN201320113077U CN203085000U CN 203085000 U CN203085000 U CN 203085000U CN 201320113077 CN201320113077 CN 201320113077 CN 201320113077 U CN201320113077 U CN 201320113077U CN 203085000 U CN203085000 U CN 203085000U
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- China
- Prior art keywords
- sleeve
- rod
- telescopic
- connecting frame
- demonstrator
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Abstract
The utility model discloses a demonstrator for a revolute four-bar mechanism. The demonstrator comprises a demonstration board, a rack fixedly arranged on the demonstration board, a telescopic connecting frame rod connected with the rack through a hinge, a fixed-length connecting frame rod connected with the rack through a hinge, and a telescopic connecting rod connected with the connecting frame rods through hinges, wherein the telescopic connecting rod consists of a sleeve, a fixing screw on the sleeve and a telescopic rod; the telescopic connecting frame rod consists of a sleeve, a fixing screw on the sleeve and a telescopic rod; axial holes are formed in pin shafts of the hinges at the two ends of the connecting rod; and pens are arranged in the holes. The lengths of the connecting frame rod and the connecting rod are adjusted to realize the demonstration of three basic types of the revolute four-bar mechanism; and the pens are used for drawing motion trails of the two connecting frame rods in a motion process, and differences of different types are found to enable students to better understand the revolute four-bar mechanism.
Description
Technical field
The utility model relates to the teaching aid in a kind of Mechanical Fundamentals teaching, is specifically related to a kind of four-bar linkage demonstrator.
Background technology
At present, carrying out " Mechanical Fundamentals " teaching class hour, during four-bar linkage in talking about planar linkage mechanism, usually will be to three kinds of fundamental types below the student explain four-bar linkage, that is: crank and rocker mechanism, double-crank mechanism and double rocker mechanism, by designing telescopic connecting rod and side link, can realize the conversion of different institutions, but can not be with the motion of the demonstrator track of side link of different institutions that draws.
Summary of the invention
The purpose of this utility model is the deficiency that exists at prior art, and a kind of four-bar linkage demonstrator is provided, and with the motion of the demonstrator track of side link of different institutions that draws, deepens student's understanding.
The purpose of this utility model realizes by following technological means: comprise demonstration board, be fixed on frame on the demonstration board, be connected the extensible link of side link with hinged telescopic side link and regular length side link, with hinge with frame, telescopic connecting rod is made up of gib screw on sleeve, the sleeve and expansion link, scalable side link is made up of gib screw on sleeve, the sleeve and expansion link, the bearing pin of connecting rod two ends hinge is provided with axial hole, is provided with pen in the hole.
Compared with prior art the utlity model has following tangible advantage: by regulating the length of side link and connecting rod, realize three kinds of fundamental types of demonstration four-bar linkage, in motion process, utilize stroke to go out the movement locus of two side links, find out dissimilar difference, deepen student's understanding.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural drawing of hinge pin part;
Among the figure, 1-demonstration board, 2-frame, 3-regular length side link, 4-connecting rod, the scalable side link of 5-, 6-bearing pin, 7-pen.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail:
Four-bar linkage demonstrator as shown in the figure, comprise demonstration board 1, be fixed on frame 2 on the demonstration board 1, be connected the extensible link 4 of side link with hinged scalable side link 5 and regular length side link 3, with hinge with frame 2, telescopic connecting rod 4 is made up of gib screw on sleeve, the sleeve and expansion link, scalable side link 5 is made up of gib screw on sleeve, the sleeve and expansion link, the bearing pin 6 of connecting rod 4 two ends hinges is provided with axial hole, is provided with pen 7 in the hole.
The above; it only is a part of embodiment of the present utility model; protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (1)
1. four-bar linkage demonstrator, comprise demonstration board, be fixed on frame on the described demonstration board, be connected the extensible link of side link with hinged scalable side link and regular length side link, with hinge with described frame, described extensible link is made up of gib screw and expansion link on sleeve, the described sleeve, described scalable side link is made up of gib screw and expansion link on sleeve, the described sleeve, it is characterized in that: the bearing pin of described connecting rod two ends hinge is provided with axial hole, is provided with pen in the described hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113077 CN203085000U (en) | 2013-03-13 | 2013-03-13 | Demonstrator for revolute four-bar mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113077 CN203085000U (en) | 2013-03-13 | 2013-03-13 | Demonstrator for revolute four-bar mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203085000U true CN203085000U (en) | 2013-07-24 |
Family
ID=48830818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320113077 Expired - Fee Related CN203085000U (en) | 2013-03-13 | 2013-03-13 | Demonstrator for revolute four-bar mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203085000U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008695A (en) * | 2014-04-22 | 2014-08-27 | 江汉大学 | Mechanical-drive classroom teaching aid |
| CN104134394A (en) * | 2014-08-15 | 2014-11-05 | 武汉理工大学 | Portable multifunctional link mechanism training aid |
| CN104240581A (en) * | 2014-05-08 | 2014-12-24 | 韶关学院 | Bar mechanism teaching model |
| CN111889859A (en) * | 2020-07-08 | 2020-11-06 | 湖南艮通智能装备有限公司 | Steel reinforcement cage strutting arrangement and steel reinforcement cage seam welder |
-
2013
- 2013-03-13 CN CN 201320113077 patent/CN203085000U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008695A (en) * | 2014-04-22 | 2014-08-27 | 江汉大学 | Mechanical-drive classroom teaching aid |
| CN104240581A (en) * | 2014-05-08 | 2014-12-24 | 韶关学院 | Bar mechanism teaching model |
| CN104240581B (en) * | 2014-05-08 | 2016-08-17 | 韶关学院 | A kind of linkage teaching mode |
| CN104134394A (en) * | 2014-08-15 | 2014-11-05 | 武汉理工大学 | Portable multifunctional link mechanism training aid |
| CN111889859A (en) * | 2020-07-08 | 2020-11-06 | 湖南艮通智能装备有限公司 | Steel reinforcement cage strutting arrangement and steel reinforcement cage seam welder |
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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 |
Granted publication date: 20130724 Termination date: 20140313 |