CN208793547U - A kind of chain and connecting rod composite driving mechanism - Google Patents
A kind of chain and connecting rod composite driving mechanism Download PDFInfo
- Publication number
- CN208793547U CN208793547U CN201821116775.5U CN201821116775U CN208793547U CN 208793547 U CN208793547 U CN 208793547U CN 201821116775 U CN201821116775 U CN 201821116775U CN 208793547 U CN208793547 U CN 208793547U
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- China
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- chain
- connecting rod
- crank
- rotation
- driving mechanism
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Abstract
The utility model belongs to technical field of mechanical transmission, more particularly to a kind of chain and connecting rod composite driving mechanism, including chain-drive mechanism and jointed gear unit, the chain-drive mechanism includes chain, the jointed gear unit includes crank and connecting rod, one end of the crank and one end of connecting rod are rotatablely connected, and the crank and connecting rod are rotatably arranged on chain respectively, and the line of center of rotation of center of rotation of the crank on chain with connecting rod on chain is consistent with the transmission direction of chain.The utility model has the advantages that the chain of the utility model and connecting rod composite driving mechanism, when connecting rod and crank enter circular arc target phase with chain, connecting rod and crank opposite can be swung, crank approximation is vertical with the chain of linear running section at this time, jointed gear unit and chain-drive mechanism it is compound so that crank is still approximate vertical with the chain of linear running section in the circular arc target phase of chain, i.e., the transmission, conversion of chain for crank straight line even running, simple and ingenious structure, cost is relatively low.
Description
Technical field
The utility model belongs to technical field of mechanical transmission more particularly to a kind of chain and connecting rod composite driving mechanism.
Background technique
Chain conveyer is to transmit the machine driving of power and movement using engaging for chain and sprocket teeth, and chain includes straight
Line target phase and the circular arc target phase at sprocket wheel, the chain driving conveyor structure for being applied to packing machine etc. are run in circular arc
Section, or the requirement that straight line steadily conveys is not achieved close to the conveying of circular arc target phase, transfer efficiency is reduced, there are conveying wind
Danger.
Link transmission and chain conveyer are combined into composite driving mechanism, can solve and above-mentioned there is circle at sprocket wheel because of chain
Arc target phase causes chain that straight line is not achieved in circular arc target phase and steadily conveys the problem of requiring.
Utility model content
For solve chain conveyer of the existing technology because chain at sprocket wheel there are circular arc target phase, cause chain in circular arc
Target phase is not achieved straight line and steadily conveys the problem of requiring, and the utility model provides a kind of chain and connecting rod composite driving mechanism.
In order to solve the above technical problems, technical solution used by the utility model is as follows, a kind of chain and connecting rod are compound
Transmission mechanism, including chain-drive mechanism and jointed gear unit, the chain-drive mechanism include chain, the jointed gear unit
Including crank and connecting rod, one end of the crank and one end of connecting rod are rotatablely connected, and the crank and connecting rod rotate setting respectively
On chain, and the transmission side of the line of center of rotation and connecting rod center of rotation on chain of the crank on chain and chain
To consistent.
Preferably, the company of the center of rotation of center of rotation and crank that the crank is connect with link rotatable on chain
Line is vertical with the chain of linear running section.When linear running section in chain of connecting rod and crank, crank is vertical with chain；When
When connecting rod and crank enter the circular arc target phase of chain with chain, some opposite swings are had between connecting rod and crank, therefore
Crank approximation is vertical with the chain of linear running section, and the movement of crank is more reliable and more stable, and structure is simple, easy to manufacture,
It is at low cost.
Further, the crank and connecting rod are rotatablely connected by the first rotation axis, and the crank and chain pass through second
Rotation axis rotation connection, the connecting rod are rotatablely connected with chain by third rotation axis.First rotation axis, the second rotation axis and
The setting of three rotation axis, structure is simple, and it is convenient to assemble, and cost is relatively low.
The utility model has the advantages that the chain of the utility model and connecting rod composite driving mechanism, chain are rotatably arranged on chain to driving front
Connecting rod and crank on item advance jointly with chain, when linear running section in chain of connecting rod and crank, connecting rod and bent
Handle is relatively fixed motionless, and crank is vertical with the linear running section of chain；In chaindriven outlet, when chain by linear running section into
When entering circular arc target phase, crank quickly becomes parallel with the traffic direction of chain from vertical with the traffic direction of chain, i.e., bent
Handle approximation is vertical with the linear running section of chain, reaches the requirement that straight line steadily conveys, simple and ingenious structure, cost is relatively low.
Detailed description of the invention
Fig. 1 is the linear running section schematic diagram that this practical new jointed gear unit is located at chain；
Fig. 2 is that this practical new jointed gear unit will enter circular arc target phase schematic diagram (wherein chain conveyer with chain
Schematic diagram of mechanism signal)；
Fig. 3 is that this practical new jointed gear unit with chain enters circular arc target phase schematic diagram；
1, chain-drive mechanism in figure, 11, chain, 111, linear running section, 112, circular arc target phase, 113, pin shaft, 12, master
Movable sprocket, 13, driven sprocket, 2, jointed gear unit, 21, crank, 22, connecting rod, the 3, first rotation axis, the 4, second rotation axis,
5, third rotation axis.
Specific embodiment
Embodiment
As shown in Figures 1 to 3, a kind of chain and connecting rod composite driving mechanism, including chain-drive mechanism 1 and jointed gear unit
2, the chain-drive mechanism 1 includes that chain 11 and drive sprocket 12 and driven sprocket 13 with the cooperation of chain 11, chain 11 pass
It include linear running section 111 and the circular arc target phase 112 at drive sprocket 12 and driven sprocket 13, the connecting rod when dynamic
Transmission mechanism 2 includes crank 21 and connecting rod 22, and one end of the crank 21 and one end of connecting rod 22 are rotatablely connected, the crank 21
Be rotatably arranged on chain 11 respectively with connecting rod 22, and crank 21 on chain 11 center of rotation and connecting rod 22 on chain 11
Center of rotation line it is consistent with the transmission direction of chain 11, the crank 21 passes through the rotation of the first rotation axis 3 with connecting rod 22
Connection, the crank 21 are rotatablely connected with chain 11 by the second rotation axis 4, and the connecting rod 22 is rotated with chain 11 by third
Axis 5 is rotatablely connected, and second rotation axis 4 and third rotation axis 5 fix with the pin shaft 113 of a chain link in chain 11 connect respectively
It connects, fixed form can be by being welded and fixed.
The company of center of rotation and center of rotation of the crank 21 on chain 11 that the crank 21 is rotatablely connected with connecting rod 22
Line is vertical with the chain 11 of linear running section 111, bent when linear running section 111 in chain 11 of connecting rod 22 and crank 21
Handle 21 is vertical with chain 11；When connecting rod 22 and crank 21 enter the circular arc target phase 112 of chain 11 with chain 11, connecting rod 22
Some opposite swings are had with crank 21, therefore crank 21 is approximate vertical with the chain 11 of linear running section 111.
Working principle is as follows:
As depicted in figs. 1 and 2, drive sprocket 12 and driven sprocket 13 drive chain 11 to driving front, are rotatably arranged on chain
Connecting rod 22 and crank 21 on item 11 advance jointly with chain 11, when connecting rod 22 and crank 21 are in the linear running of chain 11
When section 111, and because crank 21 is in the line and chain of center of rotation and center of rotation of the connecting rod 22 on chain 11 on chain 11
The transmission direction of item 11 is consistent, then connecting rod 22 and crank 21 are relatively fixed motionless, at this time the chain of crank 21 and linear running section 111
Item 11 is vertical；As shown in figure 3, when connecting rod 22 and crank 21 enter the circular arc target phase 112 of chain 11 with chain 11, connecting rod
22 have some opposite swings with crank 21, and crank 21 is approximate vertical with the chain 11 of linear running section 111 at this time.
Claims (3)
1. a kind of chain and connecting rod composite driving mechanism, it is characterised in that: including chain-drive mechanism (1) and jointed gear unit
(2), the chain-drive mechanism (1) includes chain (11), and the jointed gear unit (2) includes crank (21) and connecting rod (22),
One end of the crank (21) and the one end of connecting rod (22) are rotatablely connected, and rotation is arranged respectively for the crank (21) and connecting rod (22)
On chain (11), and crank (21) is in the center of rotation and the center of rotation of connecting rod (22) on chain (11) on chain (11)
Line it is consistent with the transmission direction of chain (11).
2. chain according to claim 1 and connecting rod composite driving mechanism, it is characterised in that: the crank (21) and connecting rod
(22) line of the center of rotation and the center of rotation of crank (21) on chain (11) that are rotatablely connected and linear running section (111)
Chain (11) it is vertical.
3. chain according to claim 1 or 2 and connecting rod composite driving mechanism, it is characterised in that: the crank (21) with
Connecting rod (22) is rotatablely connected by the first rotation axis (3), and the crank (21) and chain (11) are rotated by the second rotation axis (4)
Connection, the connecting rod (22) and chain (11) are rotatablely connected by third rotation axis (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116775.5U CN208793547U (en) | 2018-07-13 | 2018-07-13 | A kind of chain and connecting rod composite driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116775.5U CN208793547U (en) | 2018-07-13 | 2018-07-13 | A kind of chain and connecting rod composite driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793547U true CN208793547U (en) | 2019-04-26 |
Family
ID=66202377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821116775.5U Active CN208793547U (en) | 2018-07-13 | 2018-07-13 | A kind of chain and connecting rod composite driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793547U (en) |
-
2018
- 2018-07-13 CN CN201821116775.5U patent/CN208793547U/en active Active
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| GR01 | Patent grant |