CN110219953A - A kind of connecting rod - Google Patents
A kind of connecting rod Download PDFInfo
- Publication number
- CN110219953A CN110219953A CN201910543828.4A CN201910543828A CN110219953A CN 110219953 A CN110219953 A CN 110219953A CN 201910543828 A CN201910543828 A CN 201910543828A CN 110219953 A CN110219953 A CN 110219953A
- Authority
- CN
- China
- Prior art keywords
- linking arm
- connecting rod
- hole
- sleeve
- sleeve part
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 42
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 8
- 230000003466 anti-cipated effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 4
- 230000001739 rebound effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
- F16H25/12—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation along the axis of rotation, e.g. gearings with helical grooves and automatic reversal or cams
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention relates to transmission parts technical fields, refer in particular to a kind of connecting rod, including sleeve part and respectively from outwardly extending first linking arm of the circumference of sleeve part, second linking arm and third linking arm, first linking arm is provided with the first rolling member far from one end rotation of sleeve part, second linking arm is provided with the second rolling member far from one end rotation of sleeve part, the third linking arm rotation is provided with runner, first linking arm, second linking arm and the setting intersected with each other of third linking arm, through-hole and two sleeve joint holes with through-hole coaxial arrangement are provided in the middle part of the sleeve part, two sleeve joint holes are connected to the both ends of through-hole respectively, the aperture of the sleeve joint hole is greater than the aperture of through-hole.The structure of this connecting rod is simple, and structural stability is good, easy to use, at low cost, good operating stability, is particularly suitable for driving executing agency it is anticipated that characteristics of motion shuttling movement.
Description
Technical field
The present invention relates to transmission parts technical fields, refer in particular to a kind of connecting rod.
Background technique
Cam mechanism is a kind of by the component with curved profile, is contacted by higher pair and driven member is driven to realize desired movement
A kind of higher pair mechanism of rule.The mechanism is widely used in various mechanical structures, and especially some the degree of automation compare
In high, automatic control device or assembling line.Connecting rod is the chief component of cam mechanism, and the structure of existing connecting rod is numerous
More, using the connecting rod of different occasions, structure is not also identical.But structure is complicated for existing connecting rod, and job stability is bad, at
This height.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of connecting rod, structure is simple, stable structure
Property good, easy to use, at low cost, good operating stability, be particularly suitable for drive executing agency it is anticipated that the characteristics of motion circulation fortune
It is dynamic.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of connecting rod comprising sleeve part and respectively from outwardly extending first linking arm of the circumference of sleeve part, second connect
Arm and third linking arm are connect, first linking arm rotates far from one end of sleeve part and is provided with the first rolling member, and described second
Linking arm is provided with the second rolling member far from one end rotation of sleeve part, and the third linking arm rotation is provided with runner, described
First linking arm, the second linking arm and the setting intersected with each other of third linking arm, be provided in the middle part of the sleeve part through-hole and with
Two sleeve joint holes of through-hole coaxial arrangement, two sleeve joint holes are connected to the both ends of through-hole respectively, and the aperture of the sleeve joint hole is greater than
The aperture of through-hole.
Further, first linking arm is connected with for the first rolling member to be limited in first turn of the first linking arm
Shaft member, first rolling member are rotatably dispose in first rotating shaft part.
Further, second linking arm is connected with for the second rolling member to be limited in second turn of the second linking arm
Shaft member, second rolling member are rotatably dispose in the second shaft part.
Further, the circumference of the sleeve part is provided with positioning plane, the positioning plane be located at the first linking arm with
Between second linking arm.
Further, the third linking arm is connected with the third shaft part for runner to be limited in third linking arm,
The runner is rotatably dispose in third shaft part.
Further, the runner includes first for being rotatably dispose in the main component of third linking arm and fastening with main component
Baffle, the main component include transfer roller and distinguish with the integrally formed second baffle of transfer roller, the first baffle and second baffle
Positioned at the two sides of transfer roller, is enclosed between first baffle, transfer roller and second baffle and be set as annular groove.
Further, reinforcing rib is provided between first linking arm and sleeve part.
Further, the third linking arm is provided with positioning step.
Further, the length of first linking arm is greater than the length of the second linking arm, the length of second linking arm
Degree is greater than the length of third linking arm.
Further, the angle between the center line a of first linking arm and the center line b of the second linking arm is
135 °, the angle between the center line a of the first linking arm and the center line c of third linking arm is 108 °, the second linking arm
Angle between center line b and the center line c of third linking arm is 118 °.
Beneficial effects of the present invention: when practical application, the first linking arm is connect via the first rolling member with executing agency, i.e.,
First linking arm is the output end of connecting rod, and the second linking arm is contradicted via the profile of the second rolling member and cam, i.e., the second connection
Arm be connecting rod input terminal, third linking arm via one end of runner and tension spring connect, i.e., third linking arm be connecting rod reset
End pulls third linking arm to reset transfer under the rebound effect of tension spring, so that connecting rod resets rotation, bearing is mounted on set
It connects in hole, central axis is finally run through to the through-hole of bearing and sleeve part, enables connecting rod around the center axis thereof of central axis.
Wherein, the first rolling member avoids the first linking arm and directly contacts with executing agency, reduces the first linking arm and executing agency
Abrasion, extend the service life of the first linking arm and executing agency；Second rolling member avoid the second linking arm directly with
The profile contacts of cam reduce the abrasion of the second linking arm and cam, extend the service life of the second linking arm and cam；
Runner is not only convenient for link rotatable, and it is flexible to be also convenient for tension spring.In addition, sleeve joint hole is for installing bearing, the inner wall and axis of sleeve joint hole
The outer ring held contradicts, and plays the role of positioning to bearing, ensure that the position precision and stability of bearing, is also convenient for bearing assembling
In sleeve part, so that bearing and sleeve part is compact-sized.The structure of this connecting rod is simple, and structural stability is good, easy to use,
At low cost, good operating stability is particularly suitable for driving executing agency it is anticipated that characteristics of motion shuttling movement.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is the schematic perspective view at another visual angle of the invention.
Fig. 3 is planar structure schematic diagram of the invention.
Description of symbols:
1, sleeve part；2, the first linking arm；3, the second linking arm；4, third linking arm；5, the first rolling member；6, the second rolling
Moving part；7, runner；8, through-hole；9, sleeve joint hole；10, first rotating shaft part；11, the second shaft part；12, plane is positioned；13, third turns
Shaft member；14, main component；15, first baffle；16, transfer roller；17, second baffle；18, reinforcing rib；19, positioning step；20, annular
Slot；21, the first notch；22, the second notch.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
As shown in Figure 1 to Figure 3, a kind of connecting rod provided by the invention comprising sleeve part 1 and respectively from the circle of sleeve part 1
Week outwardly extending first linking arm 2, the second linking arm 3 and third linking arm 4, the first linking arm 2, the second linking arm 3 and the
The circumference triangular in shape for being distributed in sleeve part 1 of three linking arm 4, first linking arm 2 rotate setting far from one end of sleeve part 1
There is the first rolling member 5, second linking arm 3 is provided with the second rolling member 6, the third far from one end rotation of sleeve part 1
Linking arm 4 is provided with runner 7 far from one end rotation of sleeve part 1, and first linking arm 2, the second linking arm 3 are connected with third
The setting intersected with each other of arm 4, two sleeve joint holes 9 that the middle part of the sleeve part 1 is provided with through-hole 8 and is coaxially disposed with through-hole 8, two
A sleeve joint hole 9 is connected to the both ends of through-hole 8 respectively, and the aperture of the sleeve joint hole 9 is greater than the aperture of through-hole 8.The present embodiment is with even
It is illustrated for bar and cam engagement use.
When practical application, the first linking arm 2 is connect via the first rolling member 5 with executing agency, i.e. the first linking arm 2 is to connect
The output end of bar, the second linking arm 3 are contradicted via the profile of the second rolling member 6 and cam, i.e. the second linking arm 3 is the defeated of connecting rod
Enter end, third linking arm 4 connect via runner 7 with one end of tension spring, i.e., third linking arm 4 for connecting rod reset terminal, in tension spring
Rebound effect under pull third linking arm 4 reset transfer so that connecting rod reset rotation, bearing is mounted in sleeve joint hole 9,
The through-hole 8 that central axis is finally run through to bearing and sleeve part 1, enables connecting rod around the center axis thereof of central axis.Wherein,
First rolling member 5 avoids the first linking arm 2 and directly contacts with executing agency, reduces the first linking arm 2 and executing agency
Abrasion extends the service life of the first linking arm 2 and executing agency；Second rolling member 6 avoid the second linking arm 3 directly with
The profile contacts of cam reduce the abrasion of the second linking arm 3 and cam, extend the use longevity of the second linking arm 3 with cam
Life；Runner 7 is not only convenient for link rotatable, and it is flexible to be also convenient for tension spring.In addition, sleeve joint hole 9 is for installing bearing, sleeve joint hole 9 it is interior
The outer ring of wall and bearing contradicts, and plays the role of positioning to bearing, ensure that the position precision and stability of bearing, be also convenient for axis
It holds and is assembled in sleeve part 1, so that bearing and sleeve part 1 is compact-sized.The structure of this connecting rod is simple, and structural stability is good,
Easy to use, at low cost, good operating stability is particularly suitable for driving executing agency it is anticipated that characteristics of motion shuttling movement.
Specifically, first rolling member 5 and the second rolling member 6 are idler wheel, and the structure of idler wheel is simple, operation and maintenance
It is at low cost, long service life.
Specifically, the sleeve part 1, the first linking arm 2, the second linking arm 3 and third linking arm 4 are integrally formed structure
It makes, so that the stable structure of cam, intensity and hardness are high, long service life, it is convenient and at low cost to manufacture.
In the present embodiment, first linking arm 2 is connected with for the first rolling member 5 to be limited in the first linking arm 2
First rotating shaft part 10, first rolling member 5 are rotatably dispose in first rotating shaft part 10, are on the one hand easy for 5 turns of the first rolling member
It is dynamic, it is on the other hand easy for the first rolling member 5 being installed in the first linking arm 2.
In the present embodiment, second linking arm 3 is connected with for the second rolling member 6 to be limited in the second linking arm 3
Second shaft part 11, second rolling member 6 are rotatably dispose in the second shaft part 11, are on the one hand easy for 6 turns of the second rolling member
It is dynamic, it is on the other hand easy for the second rolling member 6 being installed in the second linking arm 3.
In the present embodiment, the lateral surface of the circumference of the sleeve part 1, which is provided with, positions plane 12, and described 12, positioning plane
Between the first linking arm 2 and the second linking arm 3.After sleeve part 1 turns to the angle of setting, positioning plane 12 and external knot
The positioning surface of structure is mutually located cooperation, to position to sleeve part 1, ensure that sleeve part 1 can turn in the angle of setting
It is dynamic, improve the precision of link rotatable.
In the present embodiment, the third linking arm 4 is connected with the third for runner 7 to be limited in third linking arm 4 and turns
Shaft member 13, the runner 7 are rotatably dispose in third shaft part 13, be on the one hand easy for runner 7 rotation, be on the other hand easy for by
Runner 7 is installed in third linking arm 4.
In the present embodiment, the runner 7 includes being rotatably dispose in the main component 14 of third linking arm 4 and detaining with main component 14
The first baffle 15 of conjunction, the main component 14 include transfer roller 16 and with the integrally formed second baffle 17 of transfer roller 16, described first
Baffle 15 and second baffle 17 are located at the two sides of transfer roller 16, and runner 7 is split type structure, dismount and easy to maintain；First
It is enclosed between baffle 15, transfer roller 16 and second baffle 17 and is set as annular groove 20, when runner 7 is connect with one end of tension spring, tension spring
One end is hooked in the annular groove 20 of runner 7, and the inner wall of annular groove 20 contradicts one end of tension spring, to carry out to tension spring
Positioning, ensure that the stability of tension spring.
In the present embodiment, it is provided with reinforcing rib 18 between first linking arm 2 and sleeve part 1, strengthens the first connection
The intensity that arm 2 is connect with sleeve part 1.
In the present embodiment, the third linking arm 4 is provided with positioning step 19, when third linking arm 4 turns to setting
When angle, the positioning surface of positioning step 19 and external structure, which contradicts, to be cooperated, and to position to third linking arm 4, ensure that the
Three linking arms 4 can rotate in the angle of setting, improve the precision of link rotatable.
In the present embodiment, the length of first linking arm 2 is greater than the length of the second linking arm 3, second linking arm 3
Length be greater than third linking arm 4 length；Specifically, in the center line a of first linking arm 2 and the second linking arm 3
Angle between heart line b is 135 °, the angle between the center line a of the first linking arm 2 and the center line c of third linking arm 4
It is 108 °, the angle between the center line b of the second linking arm 3 and the center line c of third linking arm 4 is 118 °.The knot of the connecting rod
Structure is stablized, and drives executing agency to work convenient for contradicting with the profile of cam.
Specifically, first linking arm 2 is provided with the first notch 21 of arc-shaped, and first rolling member 5 is located in
In first notch 21, so that it is compact-sized between the first rolling member 5 and the first linking arm 2, it is rotated convenient for the first rolling member 5；
Second linking arm 3 is provided with the second notch 22 of arc-shaped, and second rolling member 6 is located in the second notch 22, makes
Must be compact-sized between the second rolling member 6 and the second linking arm 3, it is rotated convenient for the second rolling member 6.
All technical characteristics in the present embodiment can be freely combined according to actual needs.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
Claims (10)
1. a kind of connecting rod, it is characterised in that: including sleeve part and respectively from outwardly extending first linking arm of the circumference of sleeve part,
Second linking arm and third linking arm, first linking arm are provided with the first rolling member, institute far from one end rotation of sleeve part
It states the second linking arm and one end rotation of sleeve part is provided with the second rolling member, the third linking arm rotation, which is provided with, to be turned
It takes turns, first linking arm, the second linking arm and the setting intersected with each other of third linking arm, is provided in the middle part of the sleeve part logical
Hole and two sleeve joint holes being coaxially disposed with through-hole, two sleeve joint holes are connected to the both ends of through-hole respectively, the hole of the sleeve joint hole
Diameter is greater than the aperture of through-hole.
2. a kind of connecting rod according to claim 1, it is characterised in that: first linking arm is connected with for rolling first
Moving part is limited in the first rotating shaft part of the first linking arm, and first rolling member is rotatably dispose in first rotating shaft part.
3. a kind of connecting rod according to claim 1, it is characterised in that: second linking arm is connected with for rolling second
Moving part is limited in the second shaft part of the second linking arm, and second rolling member is rotatably dispose in the second shaft part.
4. a kind of connecting rod according to claim 1, it is characterised in that: the circumference of the sleeve part is provided with positioning plane,
The positioning plane is between the first linking arm and the second linking arm.
5. a kind of connecting rod according to claim 1, it is characterised in that: the third linking arm is connected with for limiting runner
Positioned at the third shaft part of third linking arm, the runner is rotatably dispose in third shaft part.
6. a kind of connecting rod according to claim 1, it is characterised in that: the runner includes being rotatably dispose in third linking arm
Main component and with main component fasten first baffle, the main component include transfer roller and with the integrally formed second gear of transfer roller
Plate, the first baffle and second baffle are located at the two sides of transfer roller, enclose and are set as between first baffle, transfer roller and second baffle
Annular groove.
7. a kind of connecting rod according to claim 1, it is characterised in that: be provided between first linking arm and sleeve part
Reinforcing rib.
8. a kind of connecting rod according to claim 1, it is characterised in that: the third linking arm is provided with positioning step.
9. a kind of connecting rod according to claim 1, it is characterised in that: the length of first linking arm is greater than the second connection
The length of arm, the length of second linking arm are greater than the length of third linking arm.
10. a kind of connecting rod according to claim 1, it is characterised in that: the center line a of first linking arm and second connects
Connecing the angle between the center line b of arm is 135 °, between the center line a of the first linking arm and the center line c of third linking arm
Angle be 108 °, the angle between the center line b of the second linking arm and the center line c of third linking arm is 118 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543828.4A CN110219953A (en) | 2019-06-21 | 2019-06-21 | A kind of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543828.4A CN110219953A (en) | 2019-06-21 | 2019-06-21 | A kind of connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110219953A true CN110219953A (en) | 2019-09-10 |
Family
ID=67814313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910543828.4A Pending CN110219953A (en) | 2019-06-21 | 2019-06-21 | A kind of connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110219953A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006082764A (en) * | 2004-09-17 | 2006-03-30 | T S Tec Kk | Folding storage type automobile seat |
| CN101533736A (en) * | 2009-04-16 | 2009-09-16 | 江阴市云峰电器设备有限公司 | Small spring operating mechanism for vacuum load switch or vacuum breaker |
| CN207589423U (en) * | 2017-11-15 | 2018-07-06 | 深圳市和西智能装备股份有限公司 | A kind of new type of cam plug-in mechanism |
| CN109736912A (en) * | 2018-12-11 | 2019-05-10 | 大连理工大学 | A kind of multi-mode valve actuating mechanism and its control method |
| CN210196375U (en) * | 2019-06-21 | 2020-03-27 | 广东岩田智慧机电有限公司 | Connecting rod |
-
2019
- 2019-06-21 CN CN201910543828.4A patent/CN110219953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006082764A (en) * | 2004-09-17 | 2006-03-30 | T S Tec Kk | Folding storage type automobile seat |
| CN101533736A (en) * | 2009-04-16 | 2009-09-16 | 江阴市云峰电器设备有限公司 | Small spring operating mechanism for vacuum load switch or vacuum breaker |
| CN207589423U (en) * | 2017-11-15 | 2018-07-06 | 深圳市和西智能装备股份有限公司 | A kind of new type of cam plug-in mechanism |
| CN109736912A (en) * | 2018-12-11 | 2019-05-10 | 大连理工大学 | A kind of multi-mode valve actuating mechanism and its control method |
| CN210196375U (en) * | 2019-06-21 | 2020-03-27 | 广东岩田智慧机电有限公司 | Connecting rod |
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