CN203812486U - Multifunctional cam mechanism teaching aid - Google Patents
Multifunctional cam mechanism teaching aid Download PDFInfo
- Publication number
- CN203812486U CN203812486U CN201320862312.4U CN201320862312U CN203812486U CN 203812486 U CN203812486 U CN 203812486U CN 201320862312 U CN201320862312 U CN 201320862312U CN 203812486 U CN203812486 U CN 203812486U
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- CN
- China
- Prior art keywords
- slide block
- cam
- main shaft
- extension board
- slide
- 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
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Abstract
The utility model relates to a multifunctional cam mechanism teaching aid, which belongs to the teaching instrument field. The cam mechanism teaching aid is mainly composed of a slide block, a slide rail, a slide block extension board, a slide rail support, a roller driven member, a guide rod, a chute rod, a cam, a main shaft, a base, a screw turn button and a clamp. The slide block is arranged on the slide rail. The lower end of the slide rail support is fixedly connected with the clamp. The clamp is sleeved on the main shaft. The lower end of the slide rail support can rotate around the main shaft through the clamp for any angle and be further clamped and locked. The slide block extension board is fixedly connected with the upper end of the slide block. The slide block extension board is provided with a rectangular through groove and a round through groove. One end of the chute rod is provided with a shaft sleeve. A clearance fit is provided between the shaft sleeve and the main shaft. An installation hole for installing the main shaft is arranged on the cam. The cam can rotate around the main shaft and drive the roller driven member to move. The teaching aim achieves the majority of cam teaching content integrated demonstrations. Meanwhile, by adding innovative functions such as driven member adjustability, eccentric throw adjustability and readability and designing cam contour principle demonstrations through a reverse rotating method, the teaching aim can effectively alleviate the teaching loads of teachers and improve teaching effects.
Description
Technical field
Multifunctional convex wheel mechanism teaching aid belongs to an instruments used for education field, is specifically related to a kind of teaching aid for mechanical courses such as < < mechanical principle > >.
Background technology
Carrying out < < mechanical principle > >, < < Fundamentals of Machine Design > >, in the teaching of the mechanical courses such as < < Mechanical Fundamentals > >, the heavy difficult point content of cam mechanism part comprises cam follower motion rule, the principle of the operating characteristic of offset cam and reversal process design cam profile curve etc.Yet current cam teaching aid can only simply be demonstrated the ultimate principle of cam drive, function is too single, and operability is not strong, in teaching adaptability, has certain limitation.
Utility model content
The utility model provides a kind of Multifunctional convex wheel mechanism teaching aid, can demonstration comprise that the operating characteristic of cam under ultimate principle, different eccentric condition and reversal process design the heavy difficult point content of the teaching such as cam profile curve principle, facilitate the intuitivism apprehension of cam mechanism principle, can effectively improve teaching efficiency.
The purpose of this utility model realizes by following technological means:
Multifunctional convex wheel mechanism teaching aid is comprised of slide block, slide rail, slide block extension board, sliding rail rack, roller follower, guide rod, sliding chute rod, cam, main shaft, pedestal, screw knob and clip.
Slide block is housed on slide rail, two ends are provided with baffle plate, one side setting has the long baffle plate of groove, slide rail is supported in sliding rail rack upper end, sliding rail rack lower end and clip are affixed, hoop sleeve is on main shaft, and the lower end of sliding rail rack can rotate around the spindle arbitrarily angled and clamping locking by clip, and main shaft one end is fixed on pedestal.
Slide block side is shaped with threaded hole, and screw knob passes the groove of long baffle plate, and links with the threaded hole of slide block side, and upper end and slide block extension board are affixed.
Multifunctional convex wheel mechanism teaching aid is comprised of slide block, slide rail, slide block extension board, sliding rail rack, roller follower, guide rod, sliding chute rod, cam, main shaft, pedestal, screw knob and clip.
One end of described sliding chute rod is provided with axle sleeve, is arranged on main shaft, coordinates with gap of main reinforcement, is shaped with dovetail wedge shape chute on sliding chute rod, and this dovetail wedge shape chute coordinates with described lower end of the guide rod, can slide in the lower end of described guide rod in this dovetail wedge shape chute.
On cam, be shaped with the mounting hole that described main shaft is installed, this cam can rotate around the spindle, and can the motion of driven roller driven member.
Compared with prior art, the utlity model has following obvious advantage: a set of teaching aid has been realized the integration exhibition of most of cam content of courses, to add that driven member is adjustable, eccentric throw is adjustable readable simultaneously, the innovative functions such as design cam contour principle demonstration are sent out in reversion, can effectively alleviate teacher teaching load, improve teaching efficiency, made up the vacancy of existing cam teaching aid.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is part-structure figure of the present utility model;
Fig. 3 is the schematic diagram of sliding chute rod of the present utility model;
In figure, 1-slide block, 2-slide rail, 3-slide block extension board, 4-sliding rail rack, 5-roller follower, 6-guide rod, 7-sliding chute rod, 8-cam, 9-main shaft, 10-pedestal, 11-screw knob, 12-clip.
embodiment
Below in conjunction with accompanying drawing explanation and embodiment, the utility model is described in further detail:
As depicted in figs. 1 and 2, a kind of Multifunctional convex wheel mechanism teaching aid is comprised of slide block 1, slide rail 2, slide block extension board 3, sliding rail rack 4, roller follower 5, guide rod 6, sliding chute rod 7, cam 8, main shaft 9, pedestal 10, screw knob 11 and clip 12.
Slide block 1 is arranged on slide rail 2, and upper end and slide block extension board 3 are affixed, and this slide block extension board 3 is shaped with rectangular through slot and circular groove.The push rod of roller follower 5 is arranged in the rectangular through slot of slide block extension board 3, and the push rod 3 of roller follower 5 can vertically move in the rectangular through slot of slide block extension board 3.Slide rail 2 is supported in sliding rail rack 4 upper ends, and sliding rail rack 3 lower ends and clip 12 are affixed, and clip 12 is enclosed within on main shaft 9, and main shaft 9 one end are fixed on pedestal 10.On cam 8, be shaped with the mounting hole that described main shaft 9 is installed, this cam 8 can be around main shaft 9 rotations.
Thereby rotating cam 8 drives roller follower 5 to-and-fro movements, the characteristics of motion of roller follower 5 in the process of demonstration cam 8 transmissions.
Below in conjunction with accompanying drawing introduction, by eccentric adjustment distance, demonstrate the principle of work of the operating characteristic of cam under different eccentric conditions.
As depicted in figs. 1 and 2, described slide block 1, slide rail 2 and screw knob 11 form eccentricity regulating mechanism, and slide rail 2 two ends are provided with baffle plate 13 and baffle plate 14, and the sliding scale of slide block 1 is limited between described baffle plate 12 and baffle plate 13.Slide rail 2 one side settings have the long baffle plate 15 of groove, and slide block 1 side is shaped with threaded hole, and the screw of screw knob 11 passes the groove of long baffle plate 14, and links with the threaded hole of slide block 1 side.
By rotary screw knob 11, can make slide block 1 be stationary state or free skating shifting state.Sliding slider 1 can eccentric adjustment distance, then by the fixing slide block of screw knob 11, according to the movement characteristic of the variation observation roller follower of eccentric throw, thereby better understands the eccentric motion characteristic of cam mechanism.
Principle of work below in conjunction with accompanying drawing introduction demonstration reversal process design cam profile curve.
As shown in Figure 1, Figure 2 and Figure 3, guide rod 6 upper ends are arranged in the circular groove of slide block extension board 3, and guide rod 6 can vertically move in the circular groove of slide block extension board 3, and the lower end of guide rod 3 is dovetail wedge shape.One end of sliding chute rod 7 is provided with axle sleeve 17, axle sleeve 15 be arranged on main shaft 8 and with main shaft 8 clearance fit.On described sliding chute rod 7, be shaped with dovetail wedge shape chute 16, this dovetail wedge shape chute 16 coordinates with described guide rod 7 lower ends, and the lower end of described guide rod 7 can be in these dovetail wedge shape chute 16 interior slips.
Regulate clip 12 to make the cooperation of clip 12 and main shaft 9 be adjusted to suitable elasticity, promoting sliding rail rack 3 rotates around main shaft 9, guide rod 6 upper ends move up and down in the circular groove of slide block extension board 3, the axle sleeve of sliding chute rod 7 rotates around main shaft, in this process, cam 8 transfixions, and make the push rod of roller follower 5 do return motion with respect to cam 8, in the rectangular through slot of its slide block extension board 3, make desired movement again simultaneously, the a series of positions of the push rod that obtains roller follower 5 in this compound motion, the movement locus on its roller follower 5 tops is exactly desired cam 8 profiles, by this series of interlock, realize the demonstration of reversal process design cam profile curve.
The above; it is only a part of embodiment of the present utility model; protection domain of the present utility model is not limited to this; 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, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. a Multifunctional convex wheel mechanism teaching aid, it is characterized in that, by slide block, slide rail, slide block extension board, sliding rail rack, roller follower, guide rod, sliding chute rod, cam, main shaft, pedestal, screw knob and clip, formed, the push rod of roller follower is arranged in the rectangular through slot of slide block extension board, can change other driven members; Upper end of slide block and slide block extension board are affixed, and slide block is housed on slide rail, and sliding slider is the eccentric throw of adjustable driven member; Slide rail is supported in sliding rail rack upper end, sliding rail rack lower end and clip are affixed, hoop sleeve is on main shaft, the lower end of sliding rail rack can rotate around the spindle arbitrarily angled and clamping locking by clip, main shaft one end is fixed on pedestal, on cam, be shaped with the mounting hole that main shaft is installed, this cam can rotate around the spindle, and can move by driven roller driven member; With hand stationary cam, do not turn, then control sliding rail rack and rotate around the spindle, can realize driven member and reverse around cam.
2. a kind of Multifunctional convex wheel mechanism teaching aid as claimed in claim 1, is characterized in that, on said slide rail, slide block is housed, and two ends are provided with baffle plate, and a side setting has the long baffle plate of groove.
3. a kind of Multifunctional convex wheel mechanism teaching aid as claimed in claim 1 or 2, is characterized in that said slide block side is shaped with threaded hole, and screw knob passes the groove of long baffle plate, and links with the threaded hole of slide block side, and upper end and slide block extension board are affixed.
4. a kind of Multifunctional convex wheel mechanism teaching aid as claimed in claim 3, is characterized in that said slide block extension board is shaped with rectangular through slot and circular groove, and guide rod upper end is arranged in the circular groove of slide block extension board.
5. a kind of Multifunctional convex wheel mechanism teaching aid as claimed in claim 4, it is characterized in that said guide rod upper end is arranged in the circular groove of slide block extension board, the lower end of guide rod is dovetail wedge shape, one end of sliding chute rod is provided with axle sleeve, axle sleeve is arranged on main shaft and with gap of main reinforcement and coordinates, on described sliding chute rod, be shaped with dovetail wedge shape chute, this dovetail wedge shape chute coordinates with described lower end of the guide rod, can slide in the lower end of described guide rod in this dovetail wedge shape chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862312.4U CN203812486U (en) | 2013-12-25 | 2013-12-25 | Multifunctional cam mechanism teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862312.4U CN203812486U (en) | 2013-12-25 | 2013-12-25 | Multifunctional cam mechanism teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812486U true CN203812486U (en) | 2014-09-03 |
Family
ID=51451211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862312.4U Expired - Fee Related CN203812486U (en) | 2013-12-25 | 2013-12-25 | Multifunctional cam mechanism teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527275A (en) * | 2014-12-16 | 2015-04-22 | 台州学院 | Cam online detection method and detection device |
-
2013
- 2013-12-25 CN CN201320862312.4U patent/CN203812486U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527275A (en) * | 2014-12-16 | 2015-04-22 | 台州学院 | Cam online detection method and detection device |
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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: 20140903 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |