CN206429301U - A kind of double-crankshaft piston crank mechanism - Google Patents
A kind of double-crankshaft piston crank mechanism Download PDFInfo
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- CN206429301U CN206429301U CN201720023445.0U CN201720023445U CN206429301U CN 206429301 U CN206429301 U CN 206429301U CN 201720023445 U CN201720023445 U CN 201720023445U CN 206429301 U CN206429301 U CN 206429301U
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- bent axle
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- connecting rod
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
It is by bent axle, gear, connecting rod, piston, piston pin, cylinder, organization the utility model discloses a kind of double-crankshaft piston crank mechanism；Wherein bent axle, gear, connecting rod, piston, piston pin, cylinder are constituted by two, and shapes and sizes are identical；Bent axle A is parallel in same plane with bent axle B axis, and is respectively and fixedly installed in gear A and gear B, together with gear A is ratcheting with gear B；Connecting rod A and connecting rod B stub end are respectively fitted on bent axle A and bent axle B crank, and piston is connected by the microcephaly of piston pin and connecting rod；Piston A is arranged on inside cylinder A, and piston B is arranged on inside cylinder B；The power produced during two sets of piston crank mechanism operatings is equal in magnitude in the horizontal direction, in opposite direction, and stress balance is reached in the horizontal direction, so not having the vibration of horizontal direction during the operating of this double-crankshaft piston crank mechanism；So as to improve organism life-span, environmental noise is reduced, comfort level is improved.
Description
Technical field
The utility model is related to field of mechanical technique, specifically a kind of double-crankshaft piston crank mechanism.
Background technology
Toggle is the power-transmission system in reciprocating internal combustion engine；Toggle is that engine realizes work
Circulate, complete the major moving parts of energy conversion；In power stroke, the heat energy piston reciprocating that it produces fuel combustion
Move, mechanical energy is changed into by bent axle rotary motion, externally export power；In other strokes, then by crank and flywheel
Rotator inertia, by connecting rod drive piston up-down, be that work done creates conditions next time；The effect of toggle is to carry
For burning place, the bulbs of pressure that gas after fuel combustion is acted on piston top are changed into the torque of bent axle rotation, constantly
Export power.
All along with very big vibration such as piston compressor, work during current utilization crankshaft-link rod piston movement machine operation
Vibration is all very big when piston type internal-combustion engine works, so as to influence organism life-span, increases environmental noise, influence is comfortable.
Utility model content
The purpose of this utility model is to provide a kind of double-crankshaft piston crank mechanism, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：
A kind of double-crankshaft piston crank mechanism, including double-crankshaft piston crank mechanism body；The double-crankshaft piston rod
Mechanism body is by bent axle, gear, connecting rod, piston, piston pin, cylinder, organization；Wherein bent axle, gear, connecting rod, piston,
Piston pin, cylinder are constituted by two, and shapes and sizes are identical；Bent axle A and bent axle B axis are flat in same plane
OK, and it is respectively and fixedly installed in gear A and gear B, together with gear A is ratcheting with gear B；Connecting rod A and connecting rod B major part
End is respectively fitted on bent axle A and bent axle B crank, piston A and piston B respectively by piston pin A and piston pin B and connecting rod A and
Connecting rod B microcephaly's connection；Piston A is arranged on inside cylinder A, and piston B is arranged on inside cylinder B；Bent axle A and bent axle B are arranged on
On body；Cylinder A and cylinder B is symmetrical in body；During assembling, when piston A and piston B is in lower dead center, make gear A
It is ratcheting with gear B.
It is used as further program of the utility model：The piston side wall is provided with groove, and inside grooves are provided with piston ring.
It is used as the utility model further scheme：The piston is integrally formed using cast steel and is fabricated by.
It is used as the utility model further scheme：The bent axle is provided with crank arm, and is provided with crank arm
Balance weight.
It is used as the utility model further scheme：The piston pin A and piston pin B are arranged on using interference fit and lived
Fill in inside A and piston B.
Compared with prior art, the beneficial effects of the utility model are：Two sets of piston crank mechanisms fortune of the present utility model
The power produced when turning is equal in magnitude in the horizontal direction, in opposite direction, stress balance is reached in the horizontal direction, so this double-crankshaft
Piston crank mechanism does not have the vibration of horizontal direction when operating；So as to improve organism life-span, environmental noise is reduced, improves comfortable
Degree.
Brief description of the drawings
Fig. 1 is a kind of structure schematic cross-sectional view of double-crankshaft piston crank mechanism.
Fig. 2 is the structural representation of bent axle and gear in a kind of double-crankshaft piston crank mechanism.
In figure：Bent axle A1, bent axle B2, gear A 3, gear B 4, connecting rod A5, connecting rod B6, piston A7, piston B8, piston pin
A9, piston pin B10, cylinder A11, cylinder B12, body 13.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, 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, belongs to the scope of the utility model protection.
Refer in Fig. 1~2, the utility model embodiment, a kind of double-crankshaft piston crank mechanism, including double-crankshaft piston
Linkage body；The double-crankshaft piston crank mechanism body is by bent axle, gear, connecting rod, piston, piston pin, cylinder, machine
Body is constituted；Wherein bent axle, gear, connecting rod, piston, piston pin, cylinder are constituted by two, and the complete phase of shapes and sizes
Together；Bent axle A1 is parallel in same plane with bent axle B2 axis, and is respectively and fixedly installed in gear A 3 and gear B 4, gear
Together with A3 is ratcheting with gear B 4；Connecting rod A5 and connecting rod B6 stub end are respectively fitted on bent axle A1 and bent axle B2 crank, living
Plug A7 and piston B8 is connected by piston pin A9 and piston pin B10 with connecting rod A5 and connecting rod B6 microcephaly respectively；Piston A7 is installed
Inside cylinder A11, piston B8 is arranged on inside cylinder B12；Bent axle A1 and bent axle B2 is arranged on body 13；Cylinder A11 with
Cylinder B12 is symmetrical in body 13；During assembling, when piston A7 and piston B8 is in lower dead center, make gear A 3 and gear
B4 is ratcheting.
The piston side wall is provided with groove, and inside grooves are provided with piston ring.
The piston is integrally formed using cast steel and is fabricated by.
The bent axle is provided with crank arm, and is provided with crank arm balance weight.
The piston pin A9 and piston pin B10 are arranged on inside piston A7 and piston B8 using interference fit.
Operation principle of the present utility model is：Bent axle A1 and bent axle B2 passes through tooth when this double-crankshaft piston crank mechanism is operated
Wheel A3, gear B 4 are ratcheting, and the opposite rotating speed in two bent axle direction of rotation is identical, and piston A7 and piston B8 is stopped while reaching their upper
Point, is also while reaching lower dead center, identical in the height of each moment two-piston, bent axle A1 and bent axle B2 is anti-with identical rotating speed
Direction rotates so that connecting rod A5 and connecting rod B6 each moment swaying direction is opposite, swing speed is identical, swing height also one
Sample is high, so the power produced during two sets of piston crank mechanism operatings is equal in magnitude in the horizontal direction, in opposite direction, in the horizontal direction
On reach stress balance, so this double-crankshaft piston crank mechanism operating when there is no the vibration of horizontal direction；This double-crankshaft piston
Linkage also can make the multi-cylinder forms such as four cylinders, six cylinders, eight cylinders as conventional piston linkage.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (5)
1. a kind of double-crankshaft piston crank mechanism, including double-crankshaft piston crank mechanism body, it is characterised in that the double-crankshaft
Piston crank mechanism body is by bent axle, gear, connecting rod, piston, piston pin, cylinder, organization：Wherein bent axle, gear, company
Bar, piston, piston pin, cylinder are constituted by two, and shapes and sizes are identical；Bent axle A and bent axle B axis are same
One plane is parallel, and is respectively and fixedly installed in gear A and gear B, together with gear A is ratcheting with gear B；Connecting rod A and company
Bar B stub end is respectively fitted on bent axle A and bent axle B crank, and piston A and piston B pass through piston pin A and piston pin B respectively
It is connected with connecting rod A and connecting rod B microcephaly：Piston A is arranged on inside cylinder A, and piston B is arranged on inside cylinder B；Bent axle A and song
Axle B is arranged on body；Cylinder A and cylinder B is symmetrical in body.
2. a kind of double-crankshaft piston crank mechanism according to claim 1, it is characterised in that the piston side wall is provided with recessed
Groove, inside grooves are provided with piston ring.
3. a kind of double-crankshaft piston crank mechanism according to claim 1, it is characterised in that the piston uses cast steel one
It is body formed to be fabricated by.
4. a kind of double-crankshaft piston crank mechanism according to claim 1, it is characterised in that the bent axle is provided with bent axle
Arm, and balance weight is installed on crank arm.
5. a kind of double-crankshaft piston crank mechanism according to claim 1, it is characterised in that the piston pin A and piston
B is sold to be arranged on inside piston A and piston B using interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023445.0U CN206429301U (en) | 2017-01-10 | 2017-01-10 | A kind of double-crankshaft piston crank mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023445.0U CN206429301U (en) | 2017-01-10 | 2017-01-10 | A kind of double-crankshaft piston crank mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206429301U true CN206429301U (en) | 2017-08-22 |
Family
ID=59585245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720023445.0U Active CN206429301U (en) | 2017-01-10 | 2017-01-10 | A kind of double-crankshaft piston crank mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206429301U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112731A (en) * | 2020-09-11 | 2020-12-22 | 李永志 | Double-shaft double-piston double-working-medium two-stroke internal combustion engine |
| CN112145288A (en) * | 2020-09-11 | 2020-12-29 | 李永志 | Double-crankshaft composite piston internal combustion engine |
| CN113818961A (en) * | 2020-06-21 | 2021-12-21 | 张传德 | Double-cylinder communicated U-shaped engine |
-
2017
- 2017-01-10 CN CN201720023445.0U patent/CN206429301U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818961A (en) * | 2020-06-21 | 2021-12-21 | 张传德 | Double-cylinder communicated U-shaped engine |
| CN112112731A (en) * | 2020-09-11 | 2020-12-22 | 李永志 | Double-shaft double-piston double-working-medium two-stroke internal combustion engine |
| CN112145288A (en) * | 2020-09-11 | 2020-12-29 | 李永志 | Double-crankshaft composite piston internal combustion engine |
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