CN204720087U - Cam mechanism demonstrator - Google Patents
Cam mechanism demonstrator Download PDFInfo
- Publication number
- CN204720087U CN204720087U CN201520295296.4U CN201520295296U CN204720087U CN 204720087 U CN204720087 U CN 204720087U CN 201520295296 U CN201520295296 U CN 201520295296U CN 204720087 U CN204720087 U CN 204720087U
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- China
- Prior art keywords
- cam
- push rod
- frame
- circular magnet
- cam mechanism
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- 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
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Abstract
Cam mechanism demonstrator, comprises frame, push rod and cam, it is characterized in that cam and frame, cam are with push rod, all form movable connection by magneticaction between push rod with frame.Because apply magnet dexterously, thus achieve and do not having to realize pivotal motion in mechanical hinge pin situation, do not having to realize straight line sliding motion in slide block situation, can be used for the heart or offset translating follower disk cam mechanism or Plate Cam Mechanism With Swing Driven member motion demonstrating, also can be used for the principle demonstration of reversal process design cam contour, structure is simple, easy to operate, being easy to preserve, magnetic can also being worked as after taking apart for fixing article on iron surface.
Description
Technical field
The utility model relates to a kind of education experiment apparatus, in particular to a kind of cam mechanism demonstrator, it may be used for demonstration to the heart or offset translating follower disk cam mechanism, Plate Cam Mechanism With Swing Driven member, reversal process design translating follower or cam of oscillating follower profile ultimate principle etc.
Background technology
The application of cam mechanism is very extensive, and it often appears in numerous machine.Therefore, cam mechanism is one of most important mechanism of mechanical principle or Fundamentals of Machine Design learning.The ABC of cam mechanism as for want of effective teaching demonstration device such as reversal process design cam contour, the more difficult imagination of too abstract student and understanding, therefore become the heavy difficult point in teaching.
Utility model content
It is simple that the purpose of this utility model aims to provide a kind of structure, cost is low, easy to operate, and the teaching demonstration being easy to preserve is in kind, allow student start in experiment, to obtain first-hand image understanding, help it to deepen the impression when learning related content and help to understand and understand.
In order to achieve the above object, the utility model adopts following technical scheme:
Cam mechanism demonstrator of the present utility model comprises frame, disc cam, push rod, it is characterized in that cam and frame, cam are with push rod, all form movable connection by magneticaction between push rod with frame.
One piece of circular magnet is fixed in described frame lower end width center, described cam revolving center fixes one piece of circular magnet concentric with this center of rotation, above-mentioned two pieces of circular magnet magnetic attractions, cam can around the relative gantry rotation in circular magnet center, and frame and cam form revolute pair and connect.
Described cam working face is ferromagnetic material, the hinged one piece of circular magnet roller in push rod lower end, this magnet roller circumference and cam working face adhesive, magnet roller and cam working face form roll and or the higher pair that slides connect.
Described push rod main part is for containing ferrous material, lower end hinged magnet roller part and articulated elements used are nonferromagnetic material, described frame evenly fixes polylith circular magnet along frame Width, they are by least 3 row, the often mode array of row two pieces, described push rod can simultaneously with the adhesive simultaneously of certain row two blocks of magnet, push rod can along two pieces of relative housing slide of circular magnet center line connecting direction, form moving sets to connect, described push rod also only can arrange that block circular magnet adhesive of lower end with middle one, push rod can around this relative gantry rotation in block circular magnet center, form revolute pair to connect.
A removable protrusion is respectively fixed in described cam and discontiguous two surfaces of frame, facilitates hand-held.
The beneficial effects of the utility model are:
1. ingeniously utilize magnet, simplify the structure of demonstrator, easy to operate, cost is low.
2. diverse in function.Primary deformable has:
A) enclosed magnetic-force type is to the heart or offset translating follower disk cam mechanism;
B) enclosed magnetic-force type Plate Cam Mechanism With Swing Driven member;
C) positive negative bias is to the influence research of pressure angle;
D) reversal process design cam contour Method And Principle demonstration;
E) can be used as magnetic sticker after breaking, at the fixing article in ironwork surface.
3. break rear preservation, save space.
Accompanying drawing explanation
The structural representation that Fig. 1 is cam mechanism demonstrator driven member of the present utility model when being direct acting;
Fig. 2 structural representation that to be cam mechanism demonstrator driven member of the present utility model be when swinging;
In accompanying drawing: 1, cam, 2, frame, 3, push rod, 4, circular magnet, 5, magnet roller, 6, articulated elements, 7, circular magnet, 8, protrusion.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, 2, cam mechanism demonstrator of the present utility model comprises disc cam 1, frame 2, push rod 3, it is characterized in that cam 1 and frame 2, cam 1 are with push rod 3, all form movable connection by magneticaction between frame 2 with push rod 3.
One piece of circular magnet 7 is fixed in described frame 2 lower end width center, described cam 1 center of rotation fixes one piece of circular magnet 7 concentric with this center of rotation, above-mentioned two pieces of circular magnet 7 magnetic attractions, cam 1 can rotate relative to frame 2 around circular magnet 7 center, and cam 1 forms revolute pair with frame 2 and connects.
Described cam 1 workplace is ferromagnetic material, the hinged one piece of circular magnet roller 5 in push rod 3 lower end, the circumference of magnet roller 5 and the workplace adhesive of cam 1, magnet roller 5 and cam 1 workplace form roll and or the higher pair that slides connect.
Described push rod 3 main part is for containing ferrous material, lower end hinged magnet roller 5 part and articulated elements used 6 are nonferromagnetic material, described frame 2 evenly fixes polylith circular magnet 4 along frame Width, they are by least 3 row, the often mode array of row two pieces, described push rod 3 can simultaneously with the adhesive simultaneously of certain row two blocks of magnet 4, push rod can along two pieces of relative housing slide of circular magnet 4 center line connecting direction, form moving sets to connect, described push rod 3 also only can arrange that block circular magnet 4 adhesive of lower end with middle one, push rod can around this relative gantry rotation in block circular magnet center, form revolute pair to connect.
A removable protrusion 8 is respectively fixed in described cam 1 and discontiguous two surfaces of frame 2, facilitates hand-held.Specific embodiment is as follows:
As shown in Figure 1, 2, cam mechanism demonstrator of the present utility model comprises disc cam 1, frame 2, push rod 3, it is characterized in that cam 1 and frame 2, cam 1 are with push rod 3, all form movable connection by magneticaction between frame 2 with push rod 3.
One piece of circular magnet 7 is fixed in described frame 2 lower end width center, described cam 1 center of rotation fixes one piece of circular magnet 7 concentric with this center of rotation, above-mentioned two pieces of circular magnet 7 magnetic attractions, cam 1 can rotate relative to frame 2 around circular magnet 7 center, and cam 1 forms revolute pair with frame 2 and connects.
Described cam 1 workplace is ferromagnetic material, as pasted diskette or iron plate at plastic cam 1 workplace, the hinged one piece of circular magnet roller 5 in push rod 3 lower end, the circumference of magnet roller 5 and the workplace adhesive of cam 1, magnet roller 5 and cam 1 workplace form roll and or the higher pair that slides connect.
Described push rod 3 main part is for containing ferrous material, as hard wire, lower end hinged magnet roller 5 part and articulated elements used 6 are nonferromagnetic material, as plastics, described frame 2 evenly fixes polylith circular magnet 4 along frame Width, they are by least 3 row, the often mode array of row two pieces, described push rod 3 can simultaneously with the adhesive simultaneously of certain row two blocks of magnet 4, push rod can along two pieces of relative housing slide of circular magnet 4 center line connecting direction, form moving sets to connect, if push rod 3 is attracting with frame 2 middle column two pieces of circular magnet 4, form heart direct acting roller follower disk cam mechanism, if when push rod 3 is attracting with other row two pieces of circular magnet 4, then form biased direct acting roller follower disk cam mechanism, can be used for studying the impact of positive negative bias on pressure angle, described push rod 3 also only can arrange that block circular magnet 4 adhesive of lower end with middle one, push rod can around this relative gantry rotation in block circular magnet center, form revolute pair to connect, now form Swing Driven Member disk cam mechanism.
A removable protrusion 8 is respectively fixed in described cam 1 and discontiguous two surfaces of frame 2, facilitate hand-held, when hand-held frame 2 back side protrusion 8 maintains static, protrusion 8 on another hand-held cam 1 at the uniform velocity rotating cam, the motion of cam mechanism time now for demonstrating rotating forward, and when frame 2 rotates, cam 1 maintains static, now for demonstrating the principle of reversal process design cam contour.
After described cam mechanism demonstrator is broken, each several part being fixed with magnet can be used as magnetic, at the fixing article in ferrous material surface.
Above-mentioned embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim; all technical schemes taking equivalent replacement or equivalent transformation to obtain to the utility model, all fall into protection domain of the present utility model.
Claims (5)
1. cam mechanism demonstrator, this demonstrator comprises frame, disc cam, push rod, it is characterized in that cam and frame, cam are with push rod, all form movable connection by magneticaction between push rod with frame.
2. cam mechanism demonstrator according to claim 1, it is characterized in that one piece of circular magnet is fixed in described frame lower end width center, described cam revolving center fixes one piece of circular magnet concentric with this center of rotation, above-mentioned two pieces of circular magnet magnetic attractions, cam can around the relative gantry rotation in circular magnet center, and frame and cam form revolute pair and connect.
3. cam mechanism demonstrator according to claim 1, it is characterized in that described cam working face is ferromagnetic material, the hinged one piece of circular magnet roller in push rod lower end, this magnet roller circumference and cam working face adhesive, magnet roller and cam working face form roll and or the higher pair that slides connect.
4. the cam mechanism demonstrator according to claim 1 or 2 or 3, it is characterized in that described push rod main part is for containing ferrous material, lower end hinged magnet roller part and articulated elements used are nonferromagnetic material, described frame evenly fixes polylith circular magnet along frame Width, they are by least 3 row, the often mode array of row two pieces, described push rod can simultaneously with the adhesive simultaneously of certain row two blocks of magnet, push rod can along two pieces of relative housing slide of circular magnet center line connecting direction, form moving sets to connect, described push rod also only can arrange that block circular magnet adhesive of lower end with middle one, push rod can around the relative gantry rotation of magnetic blow out centre, form revolute pair to connect.
5. cam mechanism demonstrator according to claim 1, is characterized in that a removable protrusion is respectively fixed in described cam and discontiguous two surfaces of frame, facilitates hand-held.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295296.4U CN204720087U (en) | 2015-05-05 | 2015-05-05 | Cam mechanism demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520295296.4U CN204720087U (en) | 2015-05-05 | 2015-05-05 | Cam mechanism demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204720087U true CN204720087U (en) | 2015-10-21 |
Family
ID=54319063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520295296.4U Expired - Fee Related CN204720087U (en) | 2015-05-05 | 2015-05-05 | Cam mechanism demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204720087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205342A (en) * | 2015-05-05 | 2016-12-07 | 南京农业大学 | Cam mechanism demonstrator |
-
2015
- 2015-05-05 CN CN201520295296.4U patent/CN204720087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205342A (en) * | 2015-05-05 | 2016-12-07 | 南京农业大学 | Cam mechanism demonstrator |
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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: 20151021 Termination date: 20190505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |