CN2789432Y - Progressive rotation motion changer - Google Patents
Progressive rotation motion changer Download PDFInfo
- Publication number
- CN2789432Y CN2789432Y CN 200420069083 CN200420069083U CN2789432Y CN 2789432 Y CN2789432 Y CN 2789432Y CN 200420069083 CN200420069083 CN 200420069083 CN 200420069083 U CN200420069083 U CN 200420069083U CN 2789432 Y CN2789432 Y CN 2789432Y
- Authority
- CN
- China
- Prior art keywords
- chain
- connecting rod
- fixed
- gear
- gear shaft
- 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 reciprocting and rotary motion changer which comprises a chain driving device which is matched with the lower end of a connecting rod 3 and is composed of two sets of chain components in symmetrical arrangement, wherein each set of chain components comprises an upper an a lower chain gears 7, 9 which are fixed on a machine body through an upper and a lower chain gear shaft 5, 12 and bearings 4; the upper chain gears 7 and the lower chain gears 9 are connected with each other through chains 6, flywheels 15 for sustaining the inertia of motion are fixed on the upper chain gear shafts 5 or the lower chain gear shafts 12, the corresponding positions of the chains 6 of the two chain components in symmetrical arrangement are connected with a connecting shaft 14 and the lower end of the connecting rod 3 is movably connected with the middle part of the connecting shaft 14. The reciprocating and rotary motion changer has the advantages of long working stroke to a piston, complete combustion to fuel in a cylinder body and small waste gas pollution; the prolonging part of the stroke is just the maximum part of a working moment so that the work efficiency is enhanced.
Description
Affiliated technical field
The utility model relate to a kind of back and forth, reforming unit rotatablely moves.Specifically: relate to a kind of comprise cylinder body, piston and connecting rod back and forth, reforming unit rotatablely moves.
Background technique
Reciprocal, the reforming unit that rotatablely moves of existing internal-combustion engine are bent axle, piston assembly, and its structure comprises cylinder body 2, piston 1, connecting rod 3 and bent axle 16.Piston is fitted in the cylinder body 2, and connecting rod 3 upper end portions are connected with piston 1 lower end hinge; The lower end of connecting rod 3 then is connected with bent axle 16 off-centre.When combustion gas when the cylinder body internal combustion is done work, piston 1 moves reciprocatingly in cylinder body 2, and promotes bent axles 16 rotations by connecting rod 3.Above-mentioned back and forth, there is following shortcoming in the reforming unit that rotatablely moves: the stroke of piston is subjected to the restriction of the throw of eccentric of bent axle, makes that the working stroke of piston is short, the incomplete combustion of fuel in cylinder body, exhaust emission pollution is big, mechanical efficiency is low.
The model utility content
The utility model purpose is to provide a kind of crankmotion reforming unit, and described reforming unit working stroke is long, the efficient height.
The technical solution of the utility model is following design in order to achieve the above object:
A kind of reciprocal, reforming unit that rotatablely moves comprises cylinder body, piston and connecting rod; Piston is fitted in the cylinder body, and small end portion is connected with piston lower end hinge, and it is characterized in that: its structure also comprises the chain transmission that matches with the connecting rod lower end, and chain transmission comprises that the chain assemblies of two groups of symmetric arrays constitutes; Every group of chain assemblies comprises that one is gone up chain pitch wheel, a lower chain gear; On body, the lower chain gear passes through lower chain gear shaft, bearing fixing on body to last chain pitch wheel by last chain gear shaft, bearing fixing; Last chain pitch wheel and lower chain gear interconnect by chain, make chain center on the endless chain that it forms a sealing, on last chain gear shaft or lower chain gear shaft, be fixed with the flywheel of keeping motional inertia, the corresponding position of the chain of the chain assemblies of two symmetric arrays is connected with coupling shaft, and the lower end of connecting rod and the middle part of coupling shaft are movably connected.
Described a kind of back and forth, reforming unit rotatablely moves, it is characterized in that: be fixed with transition gear on the described lower chain gear shaft, the transition gear of two symmetries is meshed with the synchromesh gear that is symmetrically distributed respectively, two synchromesh gears are fixed on the synchronous gear shaft, and the two ends of synchronous gear shaft then are fixed on the body.
Described a kind of reciprocal, reforming unit that rotatablely moves, it is characterized in that: the lower end of connecting rod is movably connected by the middle part of connecting rod bearing and coupling shaft.
Described in the utility model a kind of back and forth, reforming unit rotatablely moves, the stroke of piston depends on the diameter of chain pitch wheel, lower chain gear and the distance between the two, can not be subjected to the restriction of the throw of eccentric of coupling shaft, make the working stroke of piston increase, the burning of fuel in cylinder body is more complete, and exhaust emission pollution reduces; The part that stroke prolongs just in time is an acting moment the best part, and mechanical efficiency improves greatly.
Description of drawings
Fig. 1 is a prior art bent axle piston structure schematic representation.
Fig. 2 is the utility model structural front view.
Fig. 3 is the A-A sectional view of Fig. 1.
Among the figure
1. piston 2. cylinder bodies 3. connecting rods 4. bearings
5. go up chain pitch wheel 8. connecting rod bearing on chain gear shaft 6. chains 7.
9. lower chain gear 10. synchromesh gears 11. synchronous gear shafts 12. lower chain gear shafts
13. transition gear 14. coupling shafts 15. flywheels 16. bent axles
Describe the utility model in detail below in conjunction with the drawings and specific embodiments:
Embodiment
A kind of reciprocal, reforming unit that rotatablely moves, its structure comprises cylinder body 2, piston 1 and connecting rod 3 shown in Fig. 2,3; Piston 1 is fitted in the cylinder body 2, and connecting rod 3 upper end portions are connected with piston 1 lower end hinge.Its structure also comprises the chain transmission that matches with connecting rod 3 lower ends, and chain transmission comprises that the chain assemblies of two groups of symmetric arrays constitutes; Every group of chain assemblies comprises that one is gone up chain pitch wheel 7, a lower chain gear 9; Last chain pitch wheel 7 is fixed on the body by last chain gear shaft 5, bearing 4, and lower chain gear 9 is fixed on the body by lower chain gear shaft 12, bearing 4; Last chain pitch wheel 7 and lower chain gear 9 interconnect by chain 6, make chain 6 form the endless chain of a sealing around it, on last chain gear shaft 7 or lower chain gear shaft 12, be fixed with the flywheel 15 of keeping motional inertia, the corresponding position of the chain 6 of the chain assemblies of two symmetric arrays is connected with coupling shaft 14, and the middle part of the lower end of connecting rod 3 and coupling shaft 14 is movably connected.The transition gear 13 that is fixed with transition gear 13, two symmetries on the described lower chain gear shaft 12 is meshed with the synchromesh gear 10 that is symmetrically distributed respectively, and two synchromesh gears 10 are fixed on the synchronous gear shaft 11, and the two ends of synchronous gear shaft 10 then are fixed on the body.Synchromesh gear 10 plays the effect that two chain assemblies are synchronized with the movement.The lower end of connecting rod 3 is movably connected by the middle part of connecting rod bearing 8 with coupling shaft 14.
Claims (3)
1, a kind of crankmotion reforming unit, comprise cylinder body (2), piston (1) and connecting rod (3), piston (1) is fitted in the cylinder body (2), connecting rod (3) upper end portion is connected with piston (1) lower end hinge, it is characterized in that: its structure also comprises the chain transmission that matches with connecting rod (3) lower end, and chain transmission comprises that the chain assemblies of two groups of symmetric arrays constitutes; Every group of chain assemblies comprises that one is gone up chain pitch wheel (7), a lower chain gear (9); Last chain pitch wheel (7) is fixed on the body by last chain gear shaft (5), bearing (4), and lower chain gear (9) is fixed on the body by lower chain gear shaft (12), bearing (4); Last chain pitch wheel (7) and lower chain gear (9) interconnect by chain (6), make chain (6) form the endless chain of a sealing around it, on last chain gear shaft (7) or lower chain gear shaft (12), be fixed with the flywheel (15) of keeping motional inertia, the corresponding position of the chain of the chain assemblies of two symmetric arrays (6) is connected with coupling shaft (14), and the middle part of the lower end of connecting rod (3) and coupling shaft (14) is movably connected.
2, a kind of crankmotion reforming unit according to claim 1, it is characterized in that: be fixed with transition gear (13) on the described lower chain gear shaft (12), the transition gear of two symmetries (13) is meshed with the synchromesh gear (10) that is symmetrically distributed respectively, two synchromesh gears (10) are fixed on the synchronous gear shaft (11), and the two ends of synchronous gear shaft (10) then are fixed on the body.
3, a kind of crankmotion reforming unit according to claim 1 is characterized in that: the lower end of connecting rod (3) is movably connected by the middle part of connecting rod bearing (8) with coupling shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420069083 CN2789432Y (en) | 2004-10-27 | 2004-10-27 | Progressive rotation motion changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420069083 CN2789432Y (en) | 2004-10-27 | 2004-10-27 | Progressive rotation motion changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2789432Y true CN2789432Y (en) | 2006-06-21 |
Family
ID=36789763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420069083 Expired - Fee Related CN2789432Y (en) | 2004-10-27 | 2004-10-27 | Progressive rotation motion changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2789432Y (en) |
-
2004
- 2004-10-27 CN CN 200420069083 patent/CN2789432Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |