CN101598080A - A kind of crankcase of motor - Google Patents
A kind of crankcase of motor Download PDFInfo
- Publication number
- CN101598080A CN101598080A CNA2009100893655A CN200910089365A CN101598080A CN 101598080 A CN101598080 A CN 101598080A CN A2009100893655 A CNA2009100893655 A CN A2009100893655A CN 200910089365 A CN200910089365 A CN 200910089365A CN 101598080 A CN101598080 A CN 101598080A
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- CN
- China
- Prior art keywords
- crankcase
- crankcase body
- gear shift
- cylinder
- shift base
- 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.)
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of crankcase of motor, comprise upper crankcase body and lower crankcase body, three engine cylinder-body fitting seats are all arranged on each crankcase body, six plunger caps, crankcase body global design compactness, gear shift base is in crankcase one side, inner crankshaft base position and thickness are through optimizing, effectively guarantee the integral rigidity of crankcase body, junction plane partly scribbles tackiness agent in upper crankcase body and the assembling of lower crankcase body, stiffening rib is provided with lubricating oil duct, and crankcase is integrated with gearbox, under the condition that guarantees integral rigidity, effectively reduce the weight of crankcase, crankcase of the present invention provides support structure for the flat opposed six cylinder engine, and the cylinder body symmetric arrangement of both sides is effectively offset the one order inertia power that piston motion brings; In light weight, save engine consumption; Simple in structure, crankcase body connects by assembling mode up and down, low, the easy operating of cost; Whole symmetry is attractive in appearance, and it is little to take up room, and is beneficial to the layout of motor.
Description
Technical field
The present invention relates to a kind of crankcase of reciprocating engine, belong to technical field of engines.
Background technique
Crankcase is the important composition parts of reciprocating engine, the pressure that produces in the firing chamber passes to crankcase by cylinder body and bent axle, crankcase also plays the effect of stationary engine, thus higher to the rigidity requirement of crankcase, also require to have good minimizing noise and vibration ability.The light-weight design of crankcase is the important channel of reducing engine weight, adopts the effectively weight reduction of structure through optimal design, does not reduce integral rigidity simultaneously; Magnalium has intensity height, good rigidly, the strong advantage of crushing resistance, and in light weight, also be easy to heat radiation, in automobile manufacture industry, magnesium-aluminium alloy material all appears adopting in parts such as automotive hub, engine hood, piston, and crankcase adopts magnalium can further reduce weight.
Existing crankcase adopts cylinder body-crankcase integrally casting moulding, and complex structure, the shortcoming that difficulty of processing is big, cost is higher, and structure heaviness are unsuitable for the aviation aspect and use, and needs sharp a kind of novel piston-engined crankcase that is adapted to that proposes.
Summary of the invention
The objective of the invention is to by adopting split type crankcase and adopting magnesium-aluminium alloy material, provide that a kind of structural rigidity is big, in light weight, the piston engine crankcase of six cylinder bodies that can support opposed placement.
The crankcase of a kind of motor of the present invention comprises upper crankcase body and lower crankcase body;
Upper crankcase body and lower crankcase body employing forging type one casting respectively form, described upper crankcase body and lower crankcase body are identical, upper crankcase body upper surface is cast with three cylinder body fitting seats successively, with cylinder body fitting seat six plunger caps of casting side by side, have the camshaft holder of half circle and the crankshaft base of half circle in two sides of upper crankcase body vertical with six plunger cap center line connecting directions, one of them side of two vertical side is processed with gear shift base half, upper crankcase body and lower crankcase body are connected to become a complete gear shift base with half gear shift base correspondence separately, described gear shift base provides the speed changer mounting interface, the drift angle of upper crankcase body and lower crankcase body, and side contact parallel with plunger cap connects with bolt, the upper crankcase body contacts side with the lower crankcase body and pastes with coating, seal, upper crankcase body and lower crankcase body constitute a middle short side body, and the side is provided with gear shift base and complete two camshaft holders and two crankshaft bases.
Crankcase adopts Al Mg3Si alloy or Al Si7Mg alloy.
The invention has the advantages that:
(1) crankcase of the present invention provides support structure for the flat opposed six cylinder engine, and every side can be installed 3 engine cylinder-bodies, and the cylinder body symmetric arrangement of both sides can effectively be offset the one order inertia power that piston motion brings;
(2) structure is passed through and is optimized, and rigidity, the intensity of the integral body of motor needs can be provided;
(3) in light weight, save engine consumption, improve the flying power of aircraft or vehicle;
(4) simple in structure, crankcase body connects by assembling mode up and down, has that cost is low, the characteristics of easy operating;
(5) whole symmetry is attractive in appearance, and it is little to take up room, and helps the layout of engine accessory power rating.
Description of drawings
Fig. 1 is the structural representation of crankcase of the present invention;
Fig. 2 is the generalized section that the upper crankcase body is installed a block engine;
Fig. 3 is the plan view of crankcase of the present invention;
Among the figure:
1-upper crankcase body 2-lower crankcase body 3-crank 4-piston
5-cylinder head 6-gear shift base 7-cylinder body 8-cylinder body fitting seat
9-connecting rod 10-crank pin 11-oil groove 12-plunger cap
The 13-firing chamber 15-of 14-crankshaft room camshaft holder 16-crankshaft base
17-tappet tube 18-cylinder head cover 19-tappet 20-stiffening rib
21-bent axle 22-camshaft 23-through hole A 24-through hole B
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
The present invention is a kind of crankcase of motor, as shown in Figure 1, comprises upper crankcase body 1 and lower crankcase body 2;
Crankcase can support symmetry and place six block engines, a present cylinder that connects motor with the upper crankcase body 1 of crankcase is that example describes, as shown in Figure 2, motor comprises cylinder head 5, cylinder body 7, piston 4, connecting rod 9, upper crankcase body 1 and lower crankcase 2, cylinder body 7 is installed on the cylinder body fitting seat 8 of upper crankcase body 1, cylinder body fitting seat 8 is used for fixing cylinder body 7, cylinder body 7 inside are equipped with piston 4, cylinder body 7 tops connect cylinder head 5, cylinder head cover 18 places cylinder head 5 tops, cylinder body 7 and piston 4 and cylinder head 5 surround a firing chamber 13, and firing chamber 13 is used for the fuel combustion acting.As Fig. 1, Fig. 2, shown in Figure 3, upper crankcase body 1 and lower crankcase body 2 surround crankshaft room 14, crankshaft room 14 inside are equipped with bent axle 21, crank 3, camshaft 22 and stiffening rib 20, bent axle 21 is fixing by two crankshaft bases 16 of crankshaft room 14 both sides, crankshaft base 16 is supporting structures of bent axle 21, as shown in Figure 3, stiffening rib 20 vertical crankshaft 21 are fixed on two sides of crankshaft room 14, have through hole A23 and through hole B24 on each stiffening rib 20, and oil groove 11 is arranged, be used to store lubricant oil, bent axle 21 runs through crankcase body 1 and crankcase body 2 by the through hole A23 of crankshaft base 16 and stiffening rib 20, camshaft 22 is fixed by two protruding axle beds 15, and camshaft holder 15 is supporting structures of camshaft 22, and camshaft 22 runs through crankcase body 1 and crankcase body 2 by another through hole B25 of camshaft holder 15 and stiffening rib 20.
Crank pin 10, crank 3 and connecting rod 9 are housed on the bent axle 21, and an end of connecting rod 9 connects piston 4, and the other end is connected in crank 3 by crank pin 10, and crank 3 is installed on the bent axle 21.In crankshaft room 14, connecting rod 9 is connected with crank pin 10 in the mode that can freely rotate.
The tappet 19 outer tappet tubes 17 that are with, tappet 19 1 ends are by plunger cap 12 contact camshafts 22, and the other end connects cylinder head 5.Tappet 19 is used for driving distribution device, and tappet tube 17 is used to protect tappet 19.
Crankcase adopts magnesium-aluminium alloy material to form through casting, and wall thickness is thinner, and wall thickness is 4mm, adopts Al Mg3Si alloy or Al Si7Mg alloy, adopts the crankcase of Al Mg3Si material to have better intensity characteristic and creep properties.
Crankcase of the present invention is the basic supporting structure of flat opposed motor, and opposed motor has that vibration is little, and structure is light, is applicable to that aviation aircraft uses, and the power that also can be used as dilly uses, and has purposes widely.
Claims (3)
1, a kind of crankcase of motor is characterized in that: comprise upper crankcase body and lower crankcase body;
Upper crankcase body and lower crankcase body employing forging type one casting respectively form, described upper crankcase body and lower crankcase body are identical, upper crankcase body upper surface is cast with three cylinder body fitting seats successively, with cylinder body fitting seat six plunger caps of casting side by side, have the camshaft holder of half circle and the crankshaft base of half circle in two sides of upper crankcase body vertical with six plunger cap center line connecting directions, one of them side of two vertical side is processed with gear shift base half, upper crankcase body and lower crankcase body are connected to become a complete gear shift base with half gear shift base correspondence separately, described gear shift base provides the speed changer mounting interface, the drift angle of upper crankcase body and lower crankcase body, and side contact parallel with plunger cap connects with bolt, the upper crankcase body contacts side with the lower crankcase body and pastes with coating, seal, upper crankcase body and lower crankcase body constitute a middle short side body, and the side is provided with gear shift base and complete two camshaft holders and two crankshaft bases.
2, the crankcase of a kind of motor according to claim 1 is characterized in that: described upper crankcase body and lower crankcase body surround crankshaft room, and crankshaft room inside is provided with stiffening rib, have oil groove on the stiffening rib.
3, the crankcase of a kind of motor according to claim 1 is characterized in that: crankcase adopts Al Mg3Si alloy or Al Si7Mg alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100893655A CN101598080A (en) | 2009-07-16 | 2009-07-16 | A kind of crankcase of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100893655A CN101598080A (en) | 2009-07-16 | 2009-07-16 | A kind of crankcase of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101598080A true CN101598080A (en) | 2009-12-09 |
Family
ID=41419644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100893655A Pending CN101598080A (en) | 2009-07-16 | 2009-07-16 | A kind of crankcase of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101598080A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708798A (en) * | 2018-05-16 | 2018-10-26 | 芜湖钻石航空发动机有限公司 | A kind of pancake engine cylinder body |
| CN108825393A (en) * | 2018-08-16 | 2018-11-16 | 芜湖钻石航空发动机有限公司 | The cylinder assembly of pancake engine |
| WO2020134228A1 (en) * | 2018-12-26 | 2020-07-02 | 丰疆智能科技股份有限公司 | Engine cylinder block and assembling method therefor |
| WO2020134227A1 (en) * | 2018-12-26 | 2020-07-02 | 丰疆智能科技股份有限公司 | Engine and assembly method therefor |
-
2009
- 2009-07-16 CN CNA2009100893655A patent/CN101598080A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708798A (en) * | 2018-05-16 | 2018-10-26 | 芜湖钻石航空发动机有限公司 | A kind of pancake engine cylinder body |
| CN108708798B (en) * | 2018-05-16 | 2023-10-31 | 芜湖钻石航空发动机有限公司 | Horizontally opposed engine cylinder block |
| CN108825393A (en) * | 2018-08-16 | 2018-11-16 | 芜湖钻石航空发动机有限公司 | The cylinder assembly of pancake engine |
| CN108825393B (en) * | 2018-08-16 | 2024-03-01 | 芜湖钻石航空发动机有限公司 | Cylinder assembly of horizontally opposed engine |
| WO2020134228A1 (en) * | 2018-12-26 | 2020-07-02 | 丰疆智能科技股份有限公司 | Engine cylinder block and assembling method therefor |
| WO2020134227A1 (en) * | 2018-12-26 | 2020-07-02 | 丰疆智能科技股份有限公司 | Engine and assembly method therefor |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20091209 |