CN206785962U - A kind of cam connection element - Google Patents
A kind of cam connection element Download PDFInfo
- Publication number
- CN206785962U CN206785962U CN201720067097.7U CN201720067097U CN206785962U CN 206785962 U CN206785962 U CN 206785962U CN 201720067097 U CN201720067097 U CN 201720067097U CN 206785962 U CN206785962 U CN 206785962U
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- CN
- China
- Prior art keywords
- friction pulley
- circular friction
- cam
- oscillating rod
- diameter
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Abstract
The utility model discloses a kind of cam connection element, including cam, bearing, back-moving spring, oscillating rod；Cam is tapered, and the mistake section section for not being located on two arc sections of large and small two arc section and connection at both ends by diameter forms；A circular friction pulley is movably hinged in one end of roundlet segmental arc；The diameter of circular friction pulley is more than the diameter of roundlet segmental arc, less than the diameter of great circle segmental arc；Oscillating rod is movably installed on bearing, back-moving spring connects bearing and oscillating rod；When cam is rotated centered on drive shaft hole, circular friction pulley periodically makees periodic oscillating motion with oscillating rod end thereof contacts, oscillating rod in the presence of circular friction pulley and back-moving spring.The utility model is simple and reasonable, sets up circular friction pulley, avoids cam and locally repeats stress, stress concentration and situation about deforming, the quality and service life of the present utility model greatly improved, while moves more smooth, and using effect is more preferable.
Description
Technical field
It the utility model is related to mechanical transmission fields, more particularly to a kind of cam connection element.
Background technology
Cam mechanism is usually by cam, the higher pair mechanism of three component compositions of driven member and frame.Cam is generally made to connect
Continuous constant velocity rotation, driven member design the motion for making it obtain certain rule according to requirements.Cam mechanism can realize complexity
Movement needs, it is widely used in various automated and semi-automatic mechanical devices.Swing is a kind of common of cam mechanism driving
Forms of motion.With reference to Fig. 3, generally by rotating, one end periodically contacts traditional cam with oscillating follower, passes through friction
Power driving oscillating follower motion.But because the contacting travel of cam and oscillating follower periodically repeats, therefore hold very much
Cam Local Damaged is easily caused, substantially reduces the service life of cam.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of cam connection element, for it is of the prior art not
Foot, by the way of circular friction pulley is set up, makes each CONTACT WITH FRICTION point constantly change, solves the easy Local Damaged of cam,
The problem of service life is short.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of cam connection element, including cam, bearing,
Back-moving spring, oscillating rod；The cam is tapered, is not located on two circular arcs of large and small two arc section and connection at both ends by diameter
The mistake section section composition of section；The circle centre position of the great circle segmental arc is provided with drive shaft hole, key is provided with by the drive shaft hole
Groove；One end of the roundlet segmental arc is located at the periphery of the great circle segmental arc；It is movably hinged in one end of the roundlet segmental arc
One circular friction pulley, the circular friction pulley are circumferentially freely rotated, and the circular friction pulley is coaxially disposed with the roundlet segmental arc；
The diameter of the circular friction pulley is more than the diameter of the roundlet segmental arc, less than the diameter of the great circle segmental arc；The oscillating rod
It is movably installed on the bearing, the back-moving spring connects the bearing and the oscillating rod；The cam is with drive shaft hole
Centered on when being rotated, the circular friction pulley is periodically with the oscillating rod end thereof contacts, and the oscillating rod is described
Make periodic oscillating motion in the presence of circular friction pulley and the back-moving spring.
As a kind of preferred scheme of the present utility model, axially spaced-apart is provided with anti-skidding on the circumference of the circular friction pulley
Fin line.
As a kind of preferred scheme of the present utility model, the circular friction pulley is made up of high violent steel.
As a kind of preferred scheme of the present utility model, one end of the oscillating rod is movably installed with driven pulley, it is described from
Driving wheel is circumferentially freely rotated, and the oscillating rod is contacted by the driven pulley with the circular friction pulley.
Further, axially spaced-apart is provided with anti-skidding fin line on the circumference of the driven pulley.
Preferably, the engagement teeth being adapted are provided with the driven pulley and the circular friction pulley.
Pass through above-mentioned technical proposal, the beneficial effect of technical solutions of the utility model are：The utility model conjunction simple in construction
Reason, sets up circular friction pulley, avoids cam and locally repeats stress, stress concentration and situation about deforming, this reality greatly improved
With new quality and service life, while move more smooth, using effect is more preferable.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1, Fig. 2 are the structural representation disclosed in the utility model embodiment.
Fig. 3 is the structural representation of prior art.
Corresponding component title of the numeral represented by with letter in figure：
1. the circular bearing of friction pulley 3. of cam 2.
4. the driven pulley of 5. back-moving spring of oscillating rod 6.
7. the keyway of drive shaft hole 8..
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
With reference to Fig. 1, Fig. 2, the utility model provides a kind of cam connection element, is a kind of oscillating-type cam connection element.This
Utility model mainly includes cam 1, bearing 3, back-moving spring 5, oscillating rod 4.Cam 1 is tapered, and both ends are not located on by diameter
Large and small two arc section and connection two arc sections mistakes section section form.The circle centre position of great circle segmental arc is provided with drive shaft hole 7,
Keyway 8 is provided with by drive shaft hole 7.By drive shaft hole 7 and keyway 8 and outer drive shaft clamping, the drive of cam 1 is realized
It is dynamic.One end of roundlet segmental arc is located at the periphery of great circle segmental arc.A circular friction pulley is movably hinged in one end of roundlet segmental arc
2, circular friction pulley 2 is circumferential freely to be rotated, and circular friction pulley 2 is coaxially disposed with roundlet segmental arc.In order to improve circular friction pulley 2
Anti-wear performance, circular friction pulley 2 are preferably made up of high violent steel.The diameter of circular friction pulley 2 is more than the diameter of roundlet segmental arc, is less than
The diameter of great circle segmental arc.Such torque for both having taken into account driving that designs is it is also contemplated that avoid the local pressure feelings of circular friction pulley 2
Condition.Oscillating rod 4 is movably installed on bearing 3, the connects bearing 3 of back-moving spring 5 and oscillating rod 4；During cam 1 is with drive shaft hole 7
When the heart is rotated, for circular friction pulley 2 periodically with the end thereof contacts of oscillating rod 4, oscillating rod 4 is in circular friction pulley 2 and resets
Make periodic oscillating motion in the presence of spring 5.Due to the rotation of circular friction pulley 2, avoid circular friction pulley 2 every time with
The contact point of oscillating rod 4 is identical, local to repeat stress, stress concentration and deform.
In order to further improve performance of the present utility model, make the utility model operation more smooth, can be in oscillating rod 4
One end activity installation driven pulley 6, driven pulley 6 is circumferential freely to be rotated, and oscillating rod 4 is contacted by driven pulley 6 with circular friction pulley 2.
Preferably, axially spaced-apart is provided with anti-skidding fin line on the circumference of circular friction pulley 2.Axially spaced-apart on the circumference of driven pulley 6
It is provided with anti-skidding fin line.Further, the mode of linear contact lay between original driven pulley 6 and circular friction pulley 2 is changed,
The engagement teeth being adapted are provided with driven pulley 6 and circular friction pulley 2, when being contacted between driven pulley 6 and circular friction pulley 2,
Due to rotation, realize that engagement teeth engage automatically, and then realize that the face between driven pulley 6 and circular friction pulley 2 contacts, carry significantly
The high lifting surface area of contact, reduces the pressure of stress, improves service life of the present utility model.
By above-mentioned specific embodiment, the beneficial effects of the utility model are：The utility model is simple and reasonable, sets up
Circular friction pulley 2, avoids that cam 1 is local to repeat stress, stress concentration and situation about deforming, the utility model greatly improved
Quality and service life, after motion is more smooth, and using effect is more preferable, and use for a long time causes the abrasion of circular friction pulley 2,
Circular friction pulley 2 only need to be directly changed, it is convenient to change, and maintenance cost is low.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
1. a kind of cam connection element, it is characterised in that including cam, bearing, back-moving spring, oscillating rod；The cam is tapered,
Be not located on by diameter both ends large and small two arc section and connect two arc sections set of transitions into；In the great circle segmental arc
Circle centre position is provided with drive shaft hole, and keyway is provided with by the drive shaft hole；One end of the roundlet segmental arc is positioned at described big
The periphery of arc section；A circular friction pulley is movably hinged in one end of the roundlet segmental arc, the circular friction pulley is circumferential
Freely rotate, the circular friction pulley is coaxially disposed with the roundlet segmental arc；The diameter of the circular friction pulley is more than described small
The diameter of arc section, less than the diameter of the great circle segmental arc；The oscillating rod is movably installed on the bearing, the reset bullet
Spring connects the bearing and the oscillating rod；When the cam is rotated centered on drive shaft hole, the circular friction pulley
Periodically with the oscillating rod end thereof contacts, the oscillating rod is in the presence of the circular friction pulley and the back-moving spring
Make periodic oscillating motion.
2. cam connection element according to claim 1, it is characterised in that axially spaced-apart on the circumference of the circular friction pulley
It is provided with anti-skidding fin line.
3. cam connection element according to claim 1, it is characterised in that the circular friction pulley is made up of high violent steel.
4. cam connection element according to claim 1, it is characterised in that one end of the oscillating rod is movably installed with driven
Wheel, the driven pulley are circumferentially freely rotated, and the oscillating rod is contacted by the driven pulley with the circular friction pulley.
5. cam connection element according to claim 4, it is characterised in that axially spaced-apart is set on the circumference of the driven pulley
There is anti-skidding fin line.
6. cam connection element according to claim 4, it is characterised in that the driven pulley on the circular friction pulley with setting
It is equipped with the engagement teeth being adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067097.7U CN206785962U (en) | 2017-01-19 | 2017-01-19 | A kind of cam connection element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067097.7U CN206785962U (en) | 2017-01-19 | 2017-01-19 | A kind of cam connection element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785962U true CN206785962U (en) | 2017-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720067097.7U Expired - Fee Related CN206785962U (en) | 2017-01-19 | 2017-01-19 | A kind of cam connection element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206785962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437565A (en) * | 2018-04-25 | 2018-08-24 | 江苏绿地环保滤材有限公司 | A kind of group paper structure that filter is used for paper processing |
| CN111328480A (en) * | 2020-04-17 | 2020-06-26 | 山东胜伟盐碱地科技有限公司 | Saline-alkali soil film laminating machine |
-
2017
- 2017-01-19 CN CN201720067097.7U patent/CN206785962U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437565A (en) * | 2018-04-25 | 2018-08-24 | 江苏绿地环保滤材有限公司 | A kind of group paper structure that filter is used for paper processing |
| CN111328480A (en) * | 2020-04-17 | 2020-06-26 | 山东胜伟盐碱地科技有限公司 | Saline-alkali soil film laminating machine |
| CN111328480B (en) * | 2020-04-17 | 2021-03-02 | 山东胜伟盐碱地科技有限公司 | Saline-alkali soil film laminating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171222 Termination date: 20210119 |