CN209129755U - A kind of high-power compact four-stroke engine ducting system - Google Patents
A kind of high-power compact four-stroke engine ducting system Download PDFInfo
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- CN209129755U CN209129755U CN201822008125.5U CN201822008125U CN209129755U CN 209129755 U CN209129755 U CN 209129755U CN 201822008125 U CN201822008125 U CN 201822008125U CN 209129755 U CN209129755 U CN 209129755U
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- engine
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- lower case
- engine cylinder
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Abstract
The utility model discloses a kind of high-power compact four-stroke engine ducting systems, one end of lower case of engine is connected with nowel side lid, the other end of lower case of engine is connected with rotor housing, engine rotor is provided on the inside of rotor housing, engine rotor includes rotor subject, short blade, linear leaf, rotor subject is disc structure, one side end face of rotor subject is connected with several short blades, another side end face of rotor subject is connected with several linear leafs, the installation site of several linear leafs with it is corresponding with the installation site of several short blades respectively, the length of linear leaf is greater than the length of short blade, the side of rotor housing is connected with motor stator, one end of lower case of engine is connected with engine cylinder head, the utility model, which realizes, increases unilateral connect of radiating, engine interior structure surrounds cylinder head to be automatically performed wind-guiding, to increase Add cooling efficiency, increases rotor blade ratio, root diameter, increase the function of suction air volume.
Description
Technical field
The utility model relates to technical field of engines, specifically a kind of high-power compact four-stroke engine air duct
System.
Background technique
Engine (Engine) be it is a kind of can be the machine that can be converted into mechanical energy of other forms, including such as internal combustion engine
(petrol engine etc.), external-combustion engine (Stirling engine, steam engine etc.), motor etc., if internal combustion engine is usually chemical energy
Be converted into mechanical energy, engine is not only suitable for power generating apparatus, also can refer to include power device entire machine, engine is most
It is early to be born in Britain, so, the concept of engine is also derived from English, its literal sense refers to that " generates the mechanical dress of power
It sets ".
The internal structure of engine is more complicated, and wherein engine cylinder head is essential original part, and the effect of cylinder head is not
It only is as cylinder body, the cooling fin in outside needs the heat by engine cylinder head outside when the engine is working as cooling fin
It distributes, to reduce the temperature of cylinder head and guarantee engine cylinder head stable working state, common engine on the market, interior at present
Portion's wind-guiding cooling system mostly uses greatly traditional type of cooling, i.e. rotor drives air flowing, carried out by the cooling fin of cylinder head
Cooling, this is strictly truly feasible, also the technology of comparative maturity, but the air stream to circulate between cooling fin on existing cylinder head
Amount is inadequate, and the area of cooling fin itself is also smaller, and it is small which results in effective heat exchange areas, and common rotor not can guarantee
The air mass flow that cooling fin needs, common engine structure are also unable to ensure guiding air circulation route.
Therefore, design that a kind of increase heat dissipation is unilateral to be connect, using bidirectional blade rotor air draught, linear leaf direction is towards engine
Cylinder head, increases rotor blade ratio, root diameter, and engine interior structure surrounds cylinder head to be automatically performed the air duct system of wind-guiding
System, exactly inventor will solve the problems, such as.
Utility model content
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of high-power compact four-stroke engine wind
Road system, be able to achieve increase heat dissipation it is unilateral connect, using bidirectional blade rotor air draught, linear leaf direction adds towards engine cylinder head
Greater trochanter blade ratio, root diameter, engine interior structure surround cylinder head to be automatically performed the function of wind-guiding.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of high-power compact four-stroke engine
Ducting system comprising rotor housing, nowel side lid, cylinder head cover, engine cylinder head, motor stator, starts lower case of engine
Machine rotor, further includes the left-hand side part being used cooperatively with the ducting system, shell, right side members, the lower case of engine
One end is connected with nowel side lid, and the other end of the lower case of engine is connected with rotor housing, sets on the inside of the rotor housing
It is equipped with engine rotor, the engine rotor includes rotor subject short blade, linear leaf, and the rotor subject is disk knot
Structure, a side end face of the rotor subject are connected with several short blades, and another side end face of the rotor subject is connected with several
Linear leaf, the installation site of several linear leafs with it is corresponding with the installation site of several short blades respectively, the linear leaf
Length is greater than the length of short blade, and the side of the rotor housing is connected with motor stator, one end of the lower case of engine
It is connected with engine cylinder head, several cooling fins, the spacing root between several cooling fins are provided on the engine cylinder head
Factually border service condition is designed manufacture, and the size and shape of several cooling fins is according to engine cylinder head in assembling structure
Surrounding space size is designed, and one end of the engine cylinder head is connected with cylinder head cover, and the motor stator passes through bolt
It is connected and fixed with engine cylinder head, the cylinder head cover is connected and fixed by bolt and engine cylinder head, and the rotor housing passes through
Bolt is connected and fixed with lower case of engine, and nowel side lid is connected and fixed by bolt and lower case of engine, the rotor cap
Shell is being provided with hatch frame for passing through air at engine cylinder head；
Left-hand side part is provided on the left of the engine cylinder head in the assembled condition, is provided on the right side of the engine cylinder head
Right side members, the lower outer of the engine cylinder head are provided with shell, and the left-hand side part, right side members are arranged at shell
Inside, the left-hand side part, right side members, shell, lower case of engine by engine cylinder head upper and lower, left and right, after block, make
Obtaining air cannot pass through.
Further, inner wall of the fin edges being arranged on the engine cylinder head close to shell, arranged on left and right sides inner wall point
It Jie Chu not left-hand side part, right side members.
Further, it is 17 to 21 that the linear leaf of the engine rotor, short blade quantity are identical, the linear leaf,
Short blade is arc structure and is gradually reduced from junction to end portion width, the length ratio between the short blade and linear leaf
Example range is 1:2 between 1:3, the short blade, linear leaf arc radius be 10mm to 14mm.
Further, at the gas vent on the engine disputer around cooling fin do not contacted directly with gas vent,
There are spaces around gas vent.
The beneficial effects of the utility model are:
1. the utility model passes through the area of greater engine cylinder head outside heat sink, cooperate the group of engine interior structure
At, engine cylinder head surrounding is shut, the direction of engine rotor air feed and the direction of outlet air are left behind, realize increase heat dissipation
Unilateral to connect, engine interior structure surrounds cylinder head to be automatically performed wind-guiding, to increase the function of cooling efficiency.
2. the utility model is by using the two-sided blade rotor of dilated diameter, linear leaf direction towards engine cylinder head,
It realizes and increases rotor blade ratio, root diameter, increase the function of suction air volume.
Detailed description of the invention
Fig. 1 is the utility model structure chart.
Fig. 2 is the utility model engine rotor structure chart.
Fig. 3 is the utility model engine cylinder head structure chart.
Fig. 4 is the utility model assembled state internal structure chart.
Description of symbols: 1- rotor housing；2- lower case of engine；3- nowel side lid；4- cylinder head cover；5- engine cylinder
Head；6- motor stator；7- engine rotor；8- rotor subject；9- short blade；10- linear leaf；11- cooling fin；On the left of 12-
Component；13- shell；14- right side members；15- gas vent.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments, it should be appreciated that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms also fall within application
The appended claims limited range.
It is the utility model structure chart, 7 structure chart of engine rotor, 5 structure chart of engine cylinder head, assembly referring to Fig. 1 to 4
State internal structure chart comprising rotor housing 1, nowel side lid 3, cylinder head cover 4, engine cylinder head 5, starts lower case of engine 2
Machine stator 6, engine rotor 7 further include the left-hand side part 12 being used cooperatively with ducting system, shell 13, right side members 14, hair
One end of motivation nowel 2 is connected with nowel side lid 3, and the other end of lower case of engine 2 is connected with rotor housing 1, rotor housing 1
Inside is provided with engine rotor 7, and engine rotor 7 includes 8 short blade 9 of rotor subject, linear leaf 10, and rotor subject 8 is circle
Dish structure, a side end face of rotor subject 8 are connected with several short blades 9, and another side end face of rotor subject 8 is connected with several length
Blade 10, the installation site of several linear leafs 10 and corresponding, the length of linear leaf 10 with the installation site of several short blades 9 respectively
Greater than the length of short blade 9, the side of rotor housing 1 is connected with motor stator 6, and one end of lower case of engine 2 is connected with hair
Motivation cylinder head 5 is provided with several cooling fins 11 on engine cylinder head 5, and the spacing between several cooling fins 11 is according to actual use
Situation is designed manufacture, and the size and shape of several cooling fins 11 is big according to 5 surrounding space of engine cylinder head in assembling structure
Small to be designed, one end of engine cylinder head 5 is connected with cylinder head cover 4, and motor stator 6 is connected by bolt and engine cylinder head 5
Fixation is connect, cylinder head cover 4 is connected and fixed by bolt with engine cylinder head 5, and rotor housing 1 is connected by bolt and lower case of engine 2
Fixation is connect, nowel side lid 3 is connected and fixed by bolt with lower case of engine 2, and rotor housing 1 is set at engine cylinder head 5
Hatch frame is equipped with for passing through air；
Left-hand side part 12 is provided on the left of engine cylinder head 5 in the assembled condition, right side is provided on the right side of engine cylinder head 5
Component 14, the lower outer of engine cylinder head 5 are provided with shell 13, and left-hand side part 12, right side members 14 are arranged at shell 13
Inside, left-hand side part 12, right side members 14, shell 13, lower case of engine 2 by 5 upper and lower, left and right of engine cylinder head, after keep off
Firmly, prevent air is from passing through.
Close to the inner wall of shell 13, arranged on left and right sides inner wall contacts respectively at 11 edge of cooling fin being arranged on engine cylinder head 5
Left-hand side part 12, right side members 14, the identical linear leaf 10 of engine rotor 7,9 quantity of short blade are 17 to 21, are come into leaves
Piece 10, short blade 9 are arc structure and are gradually reduced from junction to end portion width, between short blade 9 and linear leaf 10
Length ratio range is 1:2 between 1:3, short blade 9, linear leaf 10 arc radius be 10mm to 14mm, engine disputer 5
On gas vent at around cooling fin 11 do not contacted directly with gas vent, there are spaces around gas vent.
In the utility model, engine rotor 7 has abandoned traditional form, the diameter of greater engine rotor 7, and will send out
The both sides of the face of motivation rotor 7 are machined with blade, have compared with linear leaf 10 one facing towards engine cylinder head 5, linear leaf 10,
The quantity of short blade 9 is 17 to 21, it was proved that, it is in the blade quantity in this quantity section, air draught effect is most
Alright, for engine rotor 7 when rotation, two sides air draught simultaneously provides endlessly cooling wind to engine cylinder head 5,
In engine assembly body, the surrounding of engine cylinder head 5 is sealed by component, the cooling wind provided by engine rotor 7, in nothing
In the case that road can be walked, total number enters between the cooling fin 11 outside engine cylinder head 5, by while, also taken away blade
On heat and from the another side of blade be discharged, around the gas vent on engine disputer 5, cooling fin 11 is not straight with gas vent
Contact, increases the volume of gas vent surrounding space, so that cooling duct increases, avoids that cooling situation is hindered to occur, adds
Big blade area, so that heat exchanger effectiveness is higher, cooling wind can only pass through engine cylinder head 5 by the air duct determined, make
The temperature for obtaining engine cylinder head 5 has obtained good control, and cooling effect is good.
In engine using traditional engine ducting system, the temperature of machine oil is as follows:
| Speed of crankshaft (r/min) | 7011 | 7011 | 7007 | 7021 | 7031 | 7049 |
| Oil temperature (DEG C) | 144 | 144 | 144 | 141 | 136 | 135 |
In engine using the engine ducting system of the utility model, the temperature of machine oil is as follows:
| Speed of crankshaft (r/min) | 8028 | 7503 | 7002 | 6504 | 6005 | 7001 |
| Oil temperature (DEG C) | 95 | 97 | 98 | 100 | 100 | 99 |
Experimental result and actual use situation show good cooling results of the utility model than conventional engines ducting system
Very much, the oil temperature of script can be declined 20 DEG C or more.
The utility model passes through the area of 5 outside heat sink 11 of greater engine cylinder head, cooperation engine interior structure
Composition, 5 surrounding of engine cylinder head is shut, the direction of 7 air feed of engine rotor and the direction of outlet air is left behind, realizes increase
11 face of cooling fin connects, and engine interior structure surrounds cylinder head to be automatically performed wind-guiding, to increase the function of cooling efficiency, leads to
The two-sided blade rotor using dilated diameter is crossed, 10 direction of linear leaf realizes towards engine cylinder head 5 and increases rotor blade ratio
Example, root diameter, increase the function of suction air volume.
Claims (4)
1. a kind of high-power compact four-stroke engine ducting system, it is characterised in that: including rotor housing, lower case of engine,
Nowel side lid, cylinder head cover, engine cylinder head, motor stator, engine rotor further include being used cooperatively with the ducting system
Left-hand side part, shell, right side members, one end of the lower case of engine is connected with nowel side lid, the lower case of engine
The other end is connected with rotor housing, and engine rotor is provided on the inside of the rotor housing, and the engine rotor includes turning
Sub- main body short blade, linear leaf, the rotor subject are disc structure, and a side end face of the rotor subject is connected with several short
Blade, another side end face of the rotor subject are connected with several linear leafs, the installation site and difference of several linear leafs
Corresponding with the installation site of several short blades, the length of the linear leaf is greater than the length of short blade, the side of the rotor housing
Face is connected with motor stator, and one end of the lower case of engine is connected with engine cylinder head, is arranged on the engine cylinder head
There are several cooling fins, the spacing between several cooling fins is designed manufacture according to actual use situation, described several scattered
The size and shape of backing is designed according to engine cylinder head surrounding space size in assembling structure, the engine cylinder head
One end is connected with cylinder head cover, and the motor stator is connected and fixed by bolt and engine cylinder head, and the cylinder head cover passes through spiral shell
Bolt is connected and fixed with engine cylinder head, and the rotor housing is connected and fixed by bolt and lower case of engine, nowel side lid
It is connected and fixed by bolt and lower case of engine, the rotor housing is provided with hatch frame at close engine cylinder head and is used for
Pass through air；
Left-hand side part is provided on the left of the engine cylinder head in the assembled condition, right side is provided on the right side of the engine cylinder head
Component, the lower outer of the engine cylinder head are provided with shell, and the left-hand side part, right side members are respectively provided with inside the shell
Side, the left-hand side part, right side members, shell, lower case of engine by engine cylinder head upper and lower, left and right, after block so that
Air cannot pass through.
2. a kind of high-power compact four-stroke engine ducting system according to claim 1, it is characterised in that: the hair
For the fin edges being arranged on motivation cylinder head close to the inner wall of shell, arranged on left and right sides inner wall contacts left-hand side part, right side respectively
Part.
3. a kind of high-power compact four-stroke engine ducting system according to claim 1, it is characterised in that: the hair
The identical linear leaf of motivation rotor, short blade quantity are 17 to 21, the linear leaf, short blade be arc structure and from
Junction is gradually reduced to end portion width, and the length ratio range between the short blade and linear leaf is 1:2 between 1:3,
The short blade, linear leaf arc radius be 10mm to 14mm.
4. a kind of high-power compact four-stroke engine ducting system according to claim 1, it is characterised in that: the hair
Cooling fin around at gas vent on motivation disputer does not contact directly with gas vent, and there are spaces around gas vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822008125.5U CN209129755U (en) | 2018-12-03 | 2018-12-03 | A kind of high-power compact four-stroke engine ducting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822008125.5U CN209129755U (en) | 2018-12-03 | 2018-12-03 | A kind of high-power compact four-stroke engine ducting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209129755U true CN209129755U (en) | 2019-07-19 |
Family
ID=67247708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822008125.5U Active CN209129755U (en) | 2018-12-03 | 2018-12-03 | A kind of high-power compact four-stroke engine ducting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209129755U (en) |
-
2018
- 2018-12-03 CN CN201822008125.5U patent/CN209129755U/en active Active
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