CN203584598U - Internal combustion engine - Google Patents
Internal combustion engine Download PDFInfo
- Publication number
- CN203584598U CN203584598U CN201320665985.0U CN201320665985U CN203584598U CN 203584598 U CN203584598 U CN 203584598U CN 201320665985 U CN201320665985 U CN 201320665985U CN 203584598 U CN203584598 U CN 203584598U
- Authority
- CN
- China
- Prior art keywords
- spill port
- cylinder head
- cylinder
- piston
- explosive motor
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 title abstract 3
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 24
- 239000002360 explosive Substances 0.000 claims description 21
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 14
- 239000002344 surface layer Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 6
- 238000004781 supercooling Methods 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 3
- 229930195733 hydrocarbon Natural products 0.000 abstract description 3
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 230000008901 benefit Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides an internal combustion engine. The engine comprises a cylinder; the cylinder comprises a cylinder body, a cylinder head, a cylinder head cover and a piston, wherein the cylinder head is used for sealing the upper part of the cylinder body; the cylinder head cover is buckled on the cylinder head; the piston is arranged in the cylinder body; at least one first oil return hole is formed in the side wall of the piston, and comprises a first end penetrating through the outer layer of the piston and a second end penetrating through the inner layer of the piston; the first end of the first oil return hole is higher than the second end; an included angle, which is larger than 0 degree and smaller than 90 degrees, is formed between the plane where the first oil return hole is located and the horizontal plane. The internal combustion engine is more oil-saving, and reduces HC (hydrocarbon) in emitted gas.
Description
Technical field
The utility model relates to a kind of explosive motor.
Background technique
Explosive motor, it is by fuel is burnt at machine intimate, and the heat energy of being emitted is directly converted to the heat engine of power.In explosive motor, the important composition portion that cylinder is described explosive motor.Cylinder comprises cylinder body,, be arranged in piston in cylinder body, be covered on cylinder body away from one end of motor and for sealing described cylinder body, form cylinder head, the cylinder head cover of spiral-lock on described cylinder head of an airtight firing chamber with cylinder body.In traditional cylinder, due to be located at the spill port on piston structure problem, be located at the structure problem of the spill port in delivery, cause using the motor of this cylinder to have burn oil phenomenon, and owing to being located at the structure problem of the inhalation valve on cylinder head cover, cause engine fuel comparatively high consumption, send out and tell, bad startup, power is on the low side, the HC(Hydrocarbon to airborne release after burning, hydrocarbon) higher.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of explosive motor, can solve engine fuel and consume high problem.
In order to address the above problem, the technological scheme that the utility model adopts is: a kind of explosive motor is provided, comprise cylinder, described cylinder comprises cylinder block, for sealing the cylinder head on described cylinder block top, the cylinder head cover of spiral-lock on described cylinder head and be located at the piston in cylinder block, the sidewall of described piston is provided with at least one the first spill port, described the first spill port comprises the first end of the external layer that runs through described piston and runs through the second end of described piston inner surface layer, the first end of described the first spill port is higher than the second end, and the face at described the first spill port place is greater than zero degree and is less than 90 angles of spending horizontal by one.
Wherein, described cylinder head comprises cylinder head body, be embedded at the intrinsic valve of described cylinder head and the second spill port, described valve is embedded at the cavity part of the intrinsic central position of cylinder head, described valve comprises valve body and is located at the cotter seat of valve body upper end, the termination of the first end of described the second spill port is distolateral the offering towards described cylinder block from described cylinder head body, in the end Caudad of described the second spill port first end, extend, the end tail of the termination of the second end of described the second spill port and described first end is connected, the end tail of described the second end is connected described cavity part, and the horizontal plane at the end tail place of described the second end is higher than the horizontal plane at described valve body place.
Wherein, the jointing place of the end tail of the first end of described the second spill port and the termination of described the second end and described valve body are positioned at same level line.
Wherein, the end tail of the first end of described the second spill port arranges near cavity part, and the horizontal equivalent between end tail and the cavity part of described first end is less than the horizontal equivalent between termination and the cavity part of described first end.
Wherein, the first end of described the second spill port and the second end are an angle.
Wherein, described cylinder head cover comprises that an inner cap, button be located at the enclosing cover that covers in described, between described inner cap and enclosing cover, be provided with cooling channel, in described, cover and be provided with one first air outlet, described the first air outlet is provided with a breathing sheet and for covering the breathing mask of described breathing sheet, described breathing mask is provided with one second air outlet, described the second air outlet connects one end of described cooling channel, described outer covering is provided with one the 3rd air outlet, and the other end of described cooling channel is connected after supercooling, to discharge from cylinder effluent air with described the 3rd air outlet.
Wherein, described cooling channel is offered around the edge of described enclosing cover and inner cap.
Wherein, described cooling channel is the circular arc cooling channel that a radian is greater than 180 °.
The beneficial effects of the utility model are: the situation that is different from prior art, explosive motor of the present utility model because the structure of the first spill port of offering on piston has been done variation, the structure of the second spill port of offering on cylinder head done to change and the improvement to breathing mask and cooling channel, makes whole explosive motor more fuel-efficient and reduced the HC in the gas of discharge.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model explosive motor the first embodiment's sectional view.
Fig. 2 is the enlarged view of piston in the utility model explosive motor the first embodiment.
Fig. 3 is the broken away view of cylinder head cover in the utility model explosive motor the first embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the explosive motor of the present embodiment comprises cylinder 1, described cylinder 1 comprises cylinder block 10, for sealing the cylinder head 11 on described cylinder block 10 tops, the cylinder head cover 12 of spiral-lock on described cylinder head 11 and be located at the piston 13 in cylinder block 10, the sidewall of described piston 13 is provided with at least one the first spill port 130, described the first spill port 130 comprise the sidewall that runs through described piston 13 external layer first end 1301 and run through the second end 1302 of the inner surface layer of the sidewall of described piston 13, the first end 1301 of described the first spill port 130 is higher than the second end 1302, and the face at described the first spill port 130 places is greater than zero degree and is less than the 90 angle α that spend horizontal by one.
Particularly, described cylinder head 11 is for sealing the top of described cylinder block 10, described piston 13 is located in described cylinder block 10, for sealing the bottom of described cylinder block 10 and to motor work done, described cylinder head cover 12 spiral-locks are on described cylinder head 11, be used for sealing described cylinder head 11, described cylinder head 11, piston 13 form an airtight firing chamber with described cylinder block 10.
Described piston 13 is installed in described cylinder block 10, for to motor work done and seal the bottom of described cylinder block 10.Described the first spill port 130 is located on the sidewall of described piston 13, the first end 1301 of described the first spill port 130 is offered to inner surface layer direction by the external layer from described piston 13, the second end 1302 of described the first spill port 130 runs through described inner surface layer, the first end 1301 of described the first spill port 130 is higher than the second end 1302, and the face at described the first spill port 130 places is greater than zero degree and is less than the 90 angle α that spend horizontal by one.In the present embodiment, preferably, the number of degrees of described angle α are 1 °～30 °.In different embodiments, the number of degrees of this angle α can also be done other conversion.The benefit that described the first spill port 130 arranges is like this: owing to running through the first end 1301 of described piston 13 external layers than the second end 1302 height that run through described piston 13 inner surface layers, make when piston 13 is down scraped oil, oil spill is less, reduced the oil pump capacity of described piston 13, reached and saved oily object, the experiment proved that, arrange like this and can make oil consumption be reduced to 3.1ml/h from 6ml/h.
Between the external layer of the side of described cylinder block 10 and inner surface layer, offer the 3rd spill port 100, and the first end 1001 of described the 3rd spill port 100 runs through the inner surface layer of the side of described cylinder block 10, the second end 1002 of described the 3rd spill port 100 upwards extends and runs through the top of described cylinder block 10.
Described cylinder head 11 comprises cylinder head body 110, be embedded at two symmetrically arranged valves 111,112 and the second spill port 113 in described cylinder head body 110, described valve 111,112 is embedded at the cavity part of the central position in cylinder head body 110, and described valve 111,112 comprises valve body 1111,1121 and is located at the cotter seat 1112,1122 of valve body 1111,1121 upper ends.Described the second spill port 113 is corresponding with described the 3rd spill port 100, and described the second spill port 113 is distolateral the offering towards described cylinder block 10 from described cylinder head body 110, and extends upwards always and be communicated to described cavity part.When cylinder head cover 12 is located at described cylinder block 10, described the second spill port 113 is connected with described the 3rd spill port 100, for the oil in cylinder block 10 being caused to described cavity part to lubricate described valve 111,112.In the present embodiment, described valve 111 is intake valve, and described valve 112 is exhaust valve, described valve body 1111 is intake valve body, described exhaust valve body 1121 is exhaust valve body, and described cotter seat 1112 is inlet-valve spring seat, and described cotter seat 1122 is exhaust valve spring seat.
More specifically, described the second spill port 113 comprises first end 1131 and the second end 1132, the termination of the first end 1131 of described the second spill port 113 is distolateral the offering towards described cylinder block 10 from described cylinder head body 110, in the end Caudad of described the second spill port 113 first ends 1131, extend, the termination of the second end 1132 of described the second spill port 113 and the end tail of described first end are connected, the end tail of described the second end 1132 is connected described cavity part, and the horizontal plane at the end tail place of described the second end 1132 is higher than described valve body 1111, the horizontal plane at 1121 places.The benefit that described the second spill port 113 arranges is like this: when after described the second spill port 113 and the 3rd spill port 100 connections, and when the oil in cylinder 1 is caused to described cavity part, the oil of drawing can directly not be sprayed onto valve body 1111, on 1121, because motor is in operation process, valve body 1111, 1121 have very high temperature, if the end tail of the second end of the second spill port 113 is located at and described valve body 1111, near 1121, when oil ejection, wherein a part of oil can be sprayed onto described valve body 1111, on 1121, and valve body 1111, 1121 high temperature will be burnt part oil, cause waste oil.And in the present embodiment, described the second spill port 113 is located to described valve body 1111,1121 upper ends, and wherein a part of oil of ejection can be directly sprayed onto on described valve body 1111,1121, further save oil.
Further, the handing-over of the end tail of the first end 1131 of described the second spill port 113 and the termination of described the second end 1132 is positioned at same level line in described valve body 1111,1121.
Further, the end tail of the first end 1131 of described the second spill port 113 arranges near cavity part, and the horizontal equivalent between end tail and the cavity part of described first end 1131 is less than the horizontal equivalent between termination and the cavity part of described first end 1131, and the end tail of first end 1131 is located at the position to the left, termination of described first end 1131.Further, the first end of described the second spill port 113 and the second end are an angle.
Refer to Fig. 3, described cylinder head cover 12 buttons are located on described cylinder head 11, for sealing described cylinder head 11.Described cylinder head cover 12 comprises an inner cap 121, button is located at the enclosing cover 122 on described inner cap 121, between described inner cap 121 and enclosing cover 122, be provided with cooling channel (scheming not shown), described inner cap 121 is provided with one first air outlet 1211, described the first air outlet 1211 is provided with a breathing sheet 123 and for covering the breathing mask 124 of described breathing sheet 123, described breathing mask 124 is provided with one second air outlet 1241, described the second air outlet 1241 connects one end of described cooling channel, described the first air outlet 1211 and the second air outlet 1241 are expelled to described cooling channel for the gas that described cylinder head 11 is discharged, described enclosing cover 122 is provided with one the 3rd air outlet 1221(and refers to Fig. 1), the other end of described cooling channel is connected with described the 3rd air outlet 1221, described the 3rd air outlet 1221 is for just discharging through cooled gas.Particularly, described cooling channel is offered along described enclosing cover 122 and the edge of inner cap 121, and described cooling channel is the circular arc cooling channel that a radian is greater than 180 °.The benefit that one cooling channel is set on described cylinder head cover 12 is: the gas of discharging by the second air outlet 1241 of breathing mask 124 is after cooling channel is cooling, can make the temperature of gas obtain to a certain extent cooling, lower to make to discharge the gas temperature of described enclosing cover 122, further reduce the HC of gas.The experiment proved that, arrange like this and can make HC be reduced to 5-6 from 8-9.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an explosive motor, comprise cylinder, described cylinder comprises cylinder block, for sealing the cylinder head on described cylinder block top, the cylinder head cover of spiral-lock on described cylinder head and be located at the piston in cylinder block, it is characterized in that: the sidewall of described piston is provided with at least one the first spill port, described the first spill port comprises the first end of the external layer that runs through described piston and runs through the second end of described piston inner surface layer, the first end of described the first spill port is higher than the second end, and the face at described the first spill port place is greater than zero degree and is less than 90 angles of spending horizontal by one.
2. explosive motor as claimed in claim 1, it is characterized in that: described cylinder head comprises cylinder head body, be embedded at the intrinsic valve of described cylinder head and the second spill port, described valve is embedded at the cavity part of the intrinsic central position of cylinder head, described valve comprises valve body and is located at the cotter seat of valve body upper end, the termination of the first end of described the second spill port is distolateral the offering towards described cylinder block from described cylinder head body, in the end Caudad of described the second spill port first end, extend, the end tail of the termination of the second end of described the second spill port and described first end is connected, the end tail of described the second end is connected described cavity part, and the horizontal plane at the end tail place of described the second end is higher than the horizontal plane at described valve body place.
3. explosive motor as claimed in claim 2, is characterized in that: jointing place and the described valve body of the end tail of the first end of described the second spill port and the termination of described the second end are positioned at same level line.
4. explosive motor as claimed in claim 3, it is characterized in that: the end tail of the first end of described the second spill port arranges near cavity part, and the horizontal equivalent between end tail and the cavity part of described first end is less than the horizontal equivalent between termination and the cavity part of described first end.
5. explosive motor as claimed in claim 4, is characterized in that: the first end of described the second spill port and the second end are an angle.
6. the explosive motor as described in any one claim in claim 1 to 5, it is characterized in that: described cylinder head cover comprises an inner cap, button is located at the enclosing cover covering in described, between described inner cap and enclosing cover, be provided with cooling channel, in described, cover and be provided with one first air outlet, described the first air outlet is provided with a breathing sheet and for covering the breathing mask of described breathing sheet, described breathing mask is provided with one second air outlet, described the second air outlet connects one end of described cooling channel, described outer covering is provided with one the 3rd air outlet, the other end of described cooling channel is connected after supercooling, to discharge from cylinder effluent air with described the 3rd air outlet.
7. explosive motor as claimed in claim 6, is characterized in that: described cooling channel is offered around the edge of described enclosing cover and inner cap.
8. explosive motor as claimed in claim 7, is characterized in that: described cooling channel is the circular arc cooling channel that a radian is greater than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665985.0U CN203584598U (en) | 2013-10-25 | 2013-10-25 | Internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665985.0U CN203584598U (en) | 2013-10-25 | 2013-10-25 | Internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584598U true CN203584598U (en) | 2014-05-07 |
Family
ID=50582532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665985.0U Expired - Lifetime CN203584598U (en) | 2013-10-25 | 2013-10-25 | Internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203584598U (en) |
-
2013
- 2013-10-25 CN CN201320665985.0U patent/CN203584598U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |