CN206555028U - A kind of Stirling engine rack gear - Google Patents
A kind of Stirling engine rack gear Download PDFInfo
- Publication number
- CN206555028U CN206555028U CN201720221452.1U CN201720221452U CN206555028U CN 206555028 U CN206555028 U CN 206555028U CN 201720221452 U CN201720221452 U CN 201720221452U CN 206555028 U CN206555028 U CN 206555028U
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- gear
- piston
- rack
- driven
- connecting rod
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Abstract
A kind of Stirling engine rack gear, is engaged, and combine the transmission mechanism of symmetric crank-slider mechanism formation using symmetric fanning gear and rack.The two-piston that this combined mechanism to be connected to above it is moved by close to Stirling cycle rule, transmission mechanism is full symmetric in cylinder axis simultaneously, gas distribution piston, power piston and cylinder are with an axle center, the good balance of engine (one-level simple harmonic quantity power complete equipilibrium) is realized, the side-thrust acted on piston wall is eliminated, reduces the leakage of working medium, the efficiency of engine is improved, is run more steady.This transmission mechanism rod member quantity is relatively fewer simultaneously so that structure is compacter, reduces processing and manufacturing difficulty and cost.
Description
Technical field
The utility model is related to a kind of transmission device of Stirling engine, and especially a kind of Stirling engine rack is passed
Motivation structure.
Background technology
The transmission mechanism of Stirling engine has many kinds, has a crank connecting link transmission wherein representative, swash plate or
Balance is driven, hydraulic drive, free-piston transmission and rhombus transmission, and its principle is transmission mechanism so that being connected to two in mechanism
Piston makes gas volume in cylinder become according to close to Stirling cycle rule by the optimum phase angular difference motion near 90 degree
Change, so that Stirling engine is run.Current transmission mechanism is generally single crank slide block movement, and transmission is relatively unstable, exists
Side thrust of piston, is unfavorable for sealing, and power output is uneven, the low shortcoming of efficiency.Nineteen fifty-nine Holland PHILIPS Co. plum
The diamond transmission mechanism of doctor's invention, the side-thrust to piston is eliminated using two groups of symmetrical crank connecting-rod slide block mechanisms, is reduced
Refrigerant leakage, operates steadily, efficiency is higher.However, diamond transmission mechanism is more with respect to rod member, accuracy of manufacture relative requirement compared with
Height, cost is higher.
The content of the invention
This practical new purpose is the advantage for absorbing above-mentioned technology, while overcoming it not enough, develops a kind of transmission mechanism
Not only to possess diamond transmission mechanism without side thrust of piston, operate steadily, reduction working medium leakage, the characteristics of efficiency high, and
Structure is compacter, and easy to manufacture, cost is relatively low.Therefore the utility model provides a kind of Stirling engine rack-driving machine
Structure, comprising driving gear, driven gear, driving crank, driving crank, active sector gear, driven sector gear, rack is horizontal
Bar, power piston connecting rod, gas distribution piston connecting rod, power piston, gas distribution piston；It is characterized in that the one of driving crank and driving crank
End is each passed through the center of driving gear and driven gear, and the other end is respectively with active sector gear and driven sector gear phase
Even；Active sector gear and driven sector gear are connected to the two ends of cross bar, and rack is located at active sector gear and driven sector
The place-centric of gear and with the two engagement connection, one end of rack is connected with power piston connecting rod, power piston connecting rod it is another
One end connects power piston；Gas distribution piston connecting rod one end is connected on cross bar, and the other end is connected to distribution through power piston and lived
Beyond the Great Wall.
The beneficial effects of the utility model use symmetric fanning gear and rack structure, combine symmetric crank-slider mechanism,
Make transmission mechanism full symmetric in cylinder axis, gas distribution piston, power piston and cylinder are realized and started with an axle center
The good balance of machine (one-level simple harmonic quantity power complete equipilibrium), eliminates the side-thrust acted on piston wall, reduces friction
Abrasion on face, reduces the leakage of working medium, improves the efficiency of engine, runs more steady.While structural member quantity
It is relatively fewer so that structure is compacter, reduce processing and manufacturing difficulty and cost.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the utility model
Fig. 1 is the overall structure diagram of the utility model embodiment.
1. driving gear in Fig. 1,2. driven gears, 3. driving cranks, 4. driving cranks, 5. active sector gears,
6. driven sector gear, 7. cross bars, 8. racks, 9. gas distribution piston connecting rods, 10. power piston connecting rods, 11. power pistons,
12. gas distribution piston.
Embodiment
In Fig. 1, driving gear（1）And driven gear（2）With 1:1 gearratio engaged transmission, active sector gear（5）
With driven sector gear（6）And rack（8）With 1:1:1 gearratio engaged transmission.Driving crank（3）With driving crank (4)
One end is each passed through driving gear（1）And driven gear（2）Center, the other end is respectively with active sector gear（5）With it is driven
Sector gear（6）Connection；Two fan gears（5）、（6）It is connected to cross bar（7）Two ends, rack（8）It is engaged on two fans
Shape gear（5）、（6）Centre position.Power piston（11）By passing through power piston connecting rod after gas tension（10）Transmission
Award the rack of its connection（8）, rack（8）Active sector gear is driven by engaging（5）Motion, driving crank（3）Receive
Connected active sector gear（5）The driving gear for being connected to the other end is driven after the power of transmission（1）Rotate, two driving tooths
Wheel（1）、（2）Engagement causes driven gear（2）Rotate, so as to pass through the driving crank being connected thereto（3）Drive driven sector
Gear（6）Motion.Two sector gears（5）、（6）Not only upward-downward translation, is rotated, cross bar simultaneously（7）Follow two fan gears（5）、
（6）Upward-downward translation, drive is connected to cross bar（7）On gas distribution piston connecting rod（9）Associated movement, so as to drive gas distribution piston（12）
Move together.Two sector gears（5）、（6）Diameter, two cranks（3）、（4）Length, two fan gears connect two cranks
Tie point to the distance of the tie point of connection cross bar, and cross bar（7）The size of length ensures that mechanism phase angle is located at
[80 °, 90 °] interval interior.Power piston connecting rod（9）Same rack（8）And power piston（11）Respectively by being articulated and connected, gas distribution piston
Connecting rod（10）Same cross bar（7）And gas distribution piston（12）It is hingedly connected, so as to eliminate the additional drag of mismachining tolerance generation.
Claims (4)
1. a kind of Stirling engine rack gear, comprising driving gear, driven gear, driving crank, driving crank is horizontal
Bar；It is characterized in that one end of driving crank and driving crank is each passed through the center of driving gear and driven gear, the other end point
Active sector gear and driven sector gear are not connected with, and active sector gear and driven sector gear are connected to the two of cross bar
The centre of end, active sector gear and driven sector gear has rack to engage connection with two sector gears.
2. a kind of Stirling engine rack gear according to claim 1, one end of rack connects dynamic work
Fill in connecting rod, the other end connection power piston of power piston connecting rod；Gas distribution piston connecting rod one end is connected on cross bar, and the other end is worn
Power piston is crossed to be connected on gas distribution piston.
3. a kind of Stirling engine rack gear according to claim 1, it is characterized in that two sector gear diameters,
Two crank lengths, two fan gears connect the tie point of two cranks to the distance of the tie point of connection cross bar, and cross bar length
Size ensure mechanism phase angle be located at [80 °, 90 °] it is interval in.
4. a kind of Stirling engine rack gear according to claim 2, it is characterized in that power piston connecting rod is same
Rack and power piston are respectively by being articulated and connected, and gas distribution piston connecting rod is hingedly connected with cross bar and gas distribution piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720221452.1U CN206555028U (en) | 2017-03-08 | 2017-03-08 | A kind of Stirling engine rack gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720221452.1U CN206555028U (en) | 2017-03-08 | 2017-03-08 | A kind of Stirling engine rack gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555028U true CN206555028U (en) | 2017-10-13 |
Family
ID=60362232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720221452.1U Active CN206555028U (en) | 2017-03-08 | 2017-03-08 | A kind of Stirling engine rack gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061046A (en) * | 2017-03-08 | 2017-08-18 | 胡海军 | A kind of Stirling engine rack gear |
-
2017
- 2017-03-08 CN CN201720221452.1U patent/CN206555028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061046A (en) * | 2017-03-08 | 2017-08-18 | 胡海军 | A kind of Stirling engine rack gear |
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