CN110425051A - A kind of natural gas vehicle engine cylinder cover structure - Google Patents
A kind of natural gas vehicle engine cylinder cover structure Download PDFInfo
- Publication number
- CN110425051A CN110425051A CN201910792216.9A CN201910792216A CN110425051A CN 110425051 A CN110425051 A CN 110425051A CN 201910792216 A CN201910792216 A CN 201910792216A CN 110425051 A CN110425051 A CN 110425051A
- Authority
- CN
- China
- Prior art keywords
- cover
- water pipe
- mounting hole
- inlet valve
- valve mounting
- 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.)
- Granted
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003345 natural gas Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000007789 gas Substances 0.000 claims abstract description 63
- 238000003466 welding Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 25
- 239000000446 fuel Substances 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 60
- 238000010586 diagram Methods 0.000 description 6
- 206010020843 Hyperthermia Diseases 0.000 description 4
- 241000446313 Lamella Species 0.000 description 4
- 230000036031 hyperthermia Effects 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The present invention relates to a kind of natural gas vehicle engine cylinder cover structures, including head body, the head body includes inlet valve mounting hole, air outlet valve mounting hole, valve guide rail mounting hole, cylinder cap plate and water pipe rack, multiple equidistant air outlet valve mounting holes are offered on the cylinder cap plate, the side of the air outlet valve mounting hole is equipped with inlet valve mounting hole, valve guide rail mounting hole is installed between the inlet valve mounting hole and air outlet valve mounting hole, the inside of the head body is equipped with water pipe rack, inlet valve is installed in the middle part of the inlet valve mounting hole, the inlet valve includes gas bar, gas nozzle, oil duct and oil pipe, the upper end of the inlet valve is equipped with gas bar, the lower end of the gas bar is equipped with gas nozzle.Oil liquid is supplemented to the inner wall of cylinder cap by the oilhole in the middle part of inlet valve, while increasing the hardness and thermal diffusivity of cylinder cap, compared to the cylinder cap of traditional fuel automobile engine, there is higher intensity, heat dissipation performance is more preferable, structurally reasonable, long service life.Above-mentioned natural gas vehicle engine cylinder cover structure has the advantages that intensity height and thermal diffusivity are strong.
Description
Technical field
The present invention relates to a kind of natural gas vehicle engine, especially a kind of natural gas vehicle engine cylinder cover structure.
Background technique
The advantages of natural gas include it is resourceful, exhaust emission is low, cheap etc., be paid more and more attention, it is considered to be
A kind of fuel very with development prospect, most people are using natural gas as the third-largest in the world after coal, petroleum
The energy plays more and more important role.Its main component is methane, is a kind of fuel gas, can be sufficiently mixed with air
It closes, therefore substantially without Particulate Emission after its burning, the CO production quantity after burning is also seldom；Compared with other fossil class A fuel As
For, in exploitation, production, storage, transport, the pollutant discharge amount generated in Life cycle such as use minimum, therefore natural
Gas is referred to as " clean fuel " by people again, and in today of petroleum fuel growing tension, natural gas is applied to as new energy
In automobile engine, for energizing, but compared to fuel automobile engine, natural gas vehicle engine is constructed to it and performance
It is required that higher.
Wherein natural gas vehicle engine cylinder cap is mounted on the upper surface of natural gas vehicle engine cylinder body, from top seal gas
Cylinder simultaneously constitutes combustion chamber.It is often in contact with high-temperature high-pressure fuel gas, therefore bears very big thermic load and mechanical load, naturally
Gas automobile engine is by intake valve to natural gas is filled with inside engine cylinder, is burnt later by spark plug point, burning
Exhaust gas be discharged by outlet valve, natural gas vehicle engine cylinder cap compare fuel automobile engine cylinder cap, intensity requirement is more
Height, cooling requirements are higher, and the cylinder cap of fuel oil is lubricated by oil liquid, and the intake valve of natural gas moves back and forth on cylinder cap
Serious wear, and in the moment cylinder interior detonation for lighting natural gas, this process does not have oil liquid buffering, since pressure wave is to cylinder
The repeated stock of lid inner wall and destroy the oil film on casing wall, make inboard wall of cylinder cover heat transfer enhancing, heat loss increase, power reduce, and
It causes cylinder cap localized hyperthermia and destroys.
Summary of the invention
In view of the above situation, it is necessary to provide it is a kind of can inner wall makeup oil by from the oilhole in the middle part of inlet valve to cylinder cap
Liquid, while increasing the intensity of cylinder cap and the natural gas vehicle engine cylinder cover structure of thermal diffusivity.
A kind of natural gas vehicle engine cylinder cover structure, including head body, the head body include inlet valve installation
Hole, air outlet valve mounting hole, valve guide rail mounting hole, cylinder cap plate and water pipe rack, offer on the cylinder cap plate it is multiple at equal intervals
The side of air outlet valve mounting hole, the air outlet valve mounting hole is equipped with inlet valve mounting hole, the inlet valve mounting hole and air outlet valve
Valve guide rail mounting hole is installed, the inside of the head body is equipped with water pipe rack between mounting hole；
The water pipe rack includes upper cover, middle cover, water pipe and bottom cover, and the upper end of the water pipe rack is equipped with upper cover, the upper cover
Side be equipped with notch, be socketed with stair-stepping middle cover in the middle part of the upper cover, the two sides of the middle cover are equipped with water pipe upper cover
Plate, the lower end of the middle cover are equipped with bottom cover, and the two sides of the bottom cover are equipped with water pipe lower cover plate, the water pipe lower cover plate and water pipe
It is equipped with water pipe ditch between upper cover plate, water pipe is installed, the water pipe includes water tube plate and pipeline, institute between the middle cover and bottom cover
The middle part for stating pipeline is equipped with water tube plate, and the water tube plate is installed between middle cover and bottom cover, on the water pipe lower cover plate and water pipe
Pipeline is installed between cover board；
Inlet valve is installed in the middle part of the inlet valve mounting hole, the inlet valve includes gas bar, gas nozzle, oil duct and oil pipe,
The upper end of the inlet valve is equipped with gas bar, and the lower end of the gas bar is equipped with gas nozzle, and the outside of the gas bar is socketed with oil pipe, described
Oil pipe includes outer tube, inner tube, the first collar extension and the second collar extension, and inner tube, the middle part of said inner tube are socketed in the middle part of the outer tube
It is socketed with gas bar, one end of the outer tube is equipped with the first collar extension, and one end of said inner tube is equipped with the second collar extension, the gas nozzle
Lower end offer oil duct.
Preferably, the gap between the outer tube and inner tube is communicated with oil duct.
Preferably, the bottom surface of the middle cover and bottom cover upper surface are welding, and are opened in the internal side wall of bottom cover and middle cover
Equipped with reinforcing rib.
Preferably, said inner tube and the internal side wall of water pipe ditch are equipped with latch, and latch is respectively fixedly connected with gas bar and pipe
Road.
Preferably, the inside of the cylinder cap plate is equipped with multiple water pipe racks, pipeline, water pipe lower cover between multiple water pipe racks
Plate and water pipe upper cover plate homogeneously connect.
Preferably, the upper cover, middle cover and bottom cover are cylindrical shape, and water tube plate is welded between middle cover and bottom cover, on
Lid is socketed on the upper end of middle cover.
Preferably, the two sides of the cylinder cap plate are equipped with spark plug.
Above-mentioned natural gas vehicle engine cylinder cover structure can not only be protected by the water pipe rack that the middle part of head body is arranged
Pillar road, additionally it is possible to increase the intensity of head body, pipeline is laid in the middle part of head body in a manner of parallel side-by-side, it is ensured that
The Quick uniform of heat dissipation, also, the unlatching when inlet valve moves down, gas input day from inlet valve mounting hole to cylinder interior
Right gas, the inclined-plane of gas nozzle are detached from mounting hole side wall, and the oil liquid inside oil pipe at inlet valve is overflowed from oil duct, the oil liquid of spilling
It is flowed along the inclined-plane of gas nozzle, in IC Intake Valve Closes, mounting hole side wall is close on the inclined-plane of gas nozzle, closes oil duct junction, stops oil liquid
It overflows, and the oil liquid overflowed is squeezed, and is evenly arranged on the inclined-plane of gas nozzle and the side wall of mounting hole, to lubricate, and it is more
Remaining oil liquid is flowed centered on inlet valve mounting hole on the inner wall of cylinder cap, is supplemented and is lacked on inboard wall of cylinder cover because of impact
Oil lamella, make inboard wall of cylinder cover heat transfer reduce, heat loss reduce, the localized hyperthermia of cylinder cap is avoided, compared to traditional fuel-engined vehicle
The cylinder cap of engine has higher intensity, and heat dissipation performance is more preferable, structurally reasonable, long service life.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the head body schematic diagram of internal structure of the embodiment of the present invention；
Fig. 3 is the water pipe rack decomposition diagram of the embodiment of the present invention；
Fig. 4 is the water pipe rack assembling schematic diagram of the embodiment of the present invention；
Fig. 5 is the inlet valve structural schematic diagram of the embodiment of the present invention；
Fig. 6 is the inlet valve operation principle schematic diagram of the embodiment of the present invention.
In figure: 1, head body；11, inlet valve mounting hole；12, air outlet valve mounting hole；13, valve guide rail mounting hole；14,
Cylinder cap plate；15, water pipe rack；151, upper cover；1511, notch；152, middle cover；1521, water pipe upper cover plate；1522, reinforcing rib；153,
Water pipe；1531, water tube plate；1532, pipeline；154, bottom cover；1541, water pipe lower cover plate；155, water pipe ditch；2, inlet valve；21, gas
Bar；22, gas nozzle；23, oil duct；24, oil pipe；241, outer tube；242, inner tube；2421, latch；243, the first collar extension；244, second
Collar extension；3, spark plug.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
Natural gas vehicle engine cylinder cover structure of the present invention is further elaborated.It should be appreciated that specific reality described herein
Example is applied only to explain the present invention, is not intended to limit the present invention.
Referring to Figure 1-2, the natural gas vehicle engine cylinder cover structure of the embodiment of the present invention, including head body 1, cylinder cap
Main body 1 includes inlet valve mounting hole 11, air outlet valve mounting hole 12, valve guide rail mounting hole 13, cylinder cap plate 14 and water pipe rack 15, cylinder
Multiple equidistant air outlet valve mounting holes 12 are offered on cover board 14, the inside of cylinder cap plate 14 is equipped with multiple water pipe racks 15, more
Pipeline 1532, water pipe lower cover plate 1541 and water pipe upper cover plate 1521 between a water pipe rack 15 homogeneously connect, i.e. head body 1
Internal pipeline 1532 is structure as a whole, and similarly water pipe lower cover plate 1541 and water pipe upper cover plate 1521 are the plate body of two pieces of rectangles,
Air outlet valve mounting hole 12 is identical as 2 working principle of inlet valve for installing air outlet valve, and air outlet valve is downward along air outlet valve mounting hole 12
Mobile, since 21 diameter of gas bar is less than the diameter of inlet valve mounting hole 11, there are gaps, and the exhaust gas such as carbon dioxide after burning are logical
Gap discharge is crossed, the side of air outlet valve mounting hole 12 is equipped with inlet valve mounting hole 11, inlet valve mounting hole 11 and air outlet valve peace
Dress is equipped with valve guide rail mounting hole 13 between hole 12, valve guide rail mounting hole 13 for install guide rail, guide rail and inlet valve 2 and
Air outlet valve connection, it is ensured that inlet valve 2 and air outlet valve can along 12 moving process of inlet valve mounting hole 11 and air outlet valve mounting hole
Always it is in the state of vertical top surface of cylinder cover, the amount of natural gas of entrance is controlled and burning waste gas is quickly discharged, head body 1
Inside water pipe rack 15 is installed, the two sides of cylinder cap plate 14 are equipped with spark plug 3, and spark plug 3 is used to ignite the day of cylinder interior
Right gas, head body 1 are fixedly installed in the end of cylinder, and engine air cylinder interior is equipped with piston rod, and piston rod is along cylinder
The flexible acting of body sidewall.
Refer to Fig. 3-4, water pipe rack 15 includes upper cover 151, middle cover 152, water pipe 153 and bottom cover 154, water pipe rack 15 it is upper
End is equipped with upper cover 151, and the side of upper cover 151 is equipped with notch 1511, and notch 1511 is used to engage the water pipe upper cover of 152 two sides of middle cover
The water pipe lower cover plate 1541 of plate 1521 and bottom cover 154, the middle part of upper cover 151 are socketed with stair-stepping middle cover 152, middle cover 152
Bottom surface and 154 upper surface of bottom cover be welding, and offer reinforcing rib 1522 in the internal side wall of bottom cover 154 and middle cover 152,
Water pipe rack 15 can not only install water pipe 153, pipeline 1532 is fixed on to the inside of head body 1, and increase head body 1
Two end face stress intensities, have one or two water pipe racks 15 inside head body 1 is without upper cover 151, water
The upper end of the lower end connecting pipe 1532 of tube sheet 1531, water tube plate 1531 connects water tank by hose, and cooling water circulation is come to cylinder
Lid cooling, the two sides of middle cover 152 are equipped with water pipe upper cover plate 1521, and the lower end of middle cover 152 is equipped with bottom cover 154, upper cover 151,
Middle cover 152 and bottom cover 154 are cylindrical shape, and water tube plate 1531 is welded between middle cover 152 and bottom cover 154, and upper cover 151 is socketed
In the upper end of middle cover 152, the two sides of bottom cover 154 are equipped with water pipe lower cover plate 1541, water pipe lower cover plate 1541 and water pipe upper cover plate
Water pipe ditch 155 is equipped between 1521, water pipe ditch 155 is used for pipe laying 1532, the trend of pipeline 1532 is fixed, and is fixed on
Between middle cover 152 and bottom cover 154, water pipe 153 is installed between middle cover 152 and bottom cover 154, water pipe 153 includes water tube plate 1531
It is equipped with water tube plate 1531 with the middle part of pipeline 1532, pipeline 1532, water tube plate 1531 is installed between middle cover 152 and bottom cover 154,
Pipeline 1532 is installed, water pipe rack 15 can not only protective conduit between water pipe lower cover plate 1541 and water pipe upper cover plate 1521
1532, additionally it is possible to increase the intensity of head body 1, pipeline 1532 is laid in the middle part of head body 1 in a manner of parallel side-by-side,
Ensure the Quick uniform to radiate.
Fig. 5-6 is referred to, inlet valve 2 is installed in the middle part of inlet valve mounting hole 11, the unlatching when inlet valve 2 moves down,
Gas inputs natural gas from inlet valve mounting hole 11 to cylinder interior, and the inclined-plane of gas nozzle 22 is detached from mounting hole side wall, at inlet valve 2
Oil pipe 24 inside oil liquid overflowed from oil duct 23, the oil liquid of spilling is flowed along the inclined-plane of gas nozzle 22, is closed in inlet valve 2
When, mounting hole side wall is close on the inclined-plane of gas nozzle 22, closes 23 mouthfuls of oil duct, stop oil liquid and overflow, and the oil liquid overflowed by
It squeezes, is evenly arranged on the inclined-plane of gas nozzle 22 and the side wall of mounting hole, to lubricate, and extra oil liquid is with inlet valve mounting hole 11
Centered on, it is flowed on the inner wall of cylinder cap, supplements the oil lamella lacked on inboard wall of cylinder cover because of impact, inboard wall of cylinder cover is made to conduct heat
It reduces, heat loss reduces, and avoids the localized hyperthermia of cylinder cap, compared to the cylinder cap of traditional fuel automobile engine, has higher
Intensity, heat dissipation performance is more preferable, structurally reasonable, long service life, and inlet valve 2 includes gas bar 21, gas nozzle 22, oil duct 23 and oil pipe
24, the upper end of inlet valve 2 is equipped with gas bar 21, and the lower end of gas bar 21 is equipped with gas nozzle 22, and the outside of gas bar 21 is socketed with oil pipe 24, oil
Pipe 24 includes that outer tube 241, inner tube 242, the first collar extension 243 and the second collar extension 244, the middle part of outer tube 241 are socketed with inner tube 242,
Gap between outer tube 241 and inner tube 242 is communicated with oil duct 23, is the oil pocket of oil storage, In between outer tube 241 and inner tube 242
When inlet valve 2 is opened, the oil duct 23 being connected with oil pocket slowly oozes out oil liquid to lower end, to supplement oil film and lubrication, inner tube 242
Latch 2421 is installed with the internal side wall of water pipe ditch 155, latch 2421 is respectively fixedly connected with gas bar 21 and pipeline 1532, latch
2421 can ensure that gas bar 21 and pipeline 1532 will not slide at the middle part of inner tube 242 and water pipe ditch 155 again, the middle part of inner tube 242
It is socketed with gas bar 21, to install fixation, one end of outer tube 241 is equipped with the first collar extension 243, and one end of inner tube 242 is equipped with
Second collar extension 244, the lower end of gas nozzle 22 offer oil duct 23.
Working principle: a kind of natural gas vehicle engine cylinder cover structure provided by the invention, the middle part setting of head body 1
Water pipe rack 15 can not only protective conduit 1532, additionally it is possible to increase the intensity of head body 1, pipeline 1532 is in parallel side-by-side
Mode is laid in the middle part of head body 1, it is ensured that the Quick uniform of heat dissipation, the unlatching when inlet valve 2 moves down, gas from into
Valve mounting hole 11 inputs natural gas to cylinder interior, and the inclined-plane of gas nozzle 22 is detached from mounting hole side wall, the oil pipe 24 at inlet valve 2
Internal oil liquid is overflowed from oil duct 23, and the oil liquid of spilling is flowed along the inclined-plane of gas nozzle 22, when inlet valve 2 is closed, gas nozzle 22
Inclined-plane be close to mounting hole side wall, close 23 mouthfuls of oil duct, stop oil liquid and overflow, and the oil liquid overflowed is squeezed, uniformly distributed
On the inclined-plane of gas nozzle 22 and the side wall of mounting hole, to lubricate, and extra oil liquid is centered on inlet valve mounting hole 11, to
It is flowed on the inner wall of cylinder cap, supplements the oil lamella lacked on inboard wall of cylinder cover because of impact.
In summary: a kind of natural gas vehicle engine cylinder cover structure provided by the invention passes through the middle part of head body 1
The water pipe rack 15 of setting can not only protective conduit 1532, additionally it is possible to increase the intensity of head body 1, pipeline 1532 in it is parallel simultaneously
The mode of column is laid in the middle part of head body 1, it is ensured that the Quick uniform of heat dissipation, also, opened when inlet valve 2 moves down
It opens, gas inputs natural gas from inlet valve mounting hole 11 to cylinder interior, and the inclined-plane of gas nozzle 22 is detached from mounting hole side wall, inlet valve
The oil liquid inside oil pipe 24 at 2 is overflowed from oil duct 23, and the oil liquid of spilling is flowed along the inclined-plane of gas nozzle 22, is closed in inlet valve 2
When closing, mounting hole side wall is close on the inclined-plane of gas nozzle 22, closes 23 mouthfuls of oil duct, stops oil liquid and overflows, and the oil liquid overflowed by
It to extruding, is evenly arranged on the inclined-plane of gas nozzle 22 and the side wall of mounting hole, to lubricate, and extra oil liquid is with inlet valve mounting hole
It centered on 11, is flowed on the inner wall of cylinder cap, supplements the oil lamella lacked on inboard wall of cylinder cover because of impact, pass inboard wall of cylinder cover
Heat drop is low, and heat loss reduces, and avoids the localized hyperthermia of cylinder cap, compared to the cylinder cap of traditional fuel automobile engine, has higher
Intensity, heat dissipation performance is more preferable, structurally reasonable, long service life.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above are modified or are modified
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (7)
1. a kind of natural gas vehicle engine cylinder cover structure, including head body (1), it is characterised in that: the head body (1)
Including inlet valve mounting hole (11), air outlet valve mounting hole (12), valve guide rail mounting hole (13), cylinder cap plate (14) and water pipe rack
(15), multiple equidistant air outlet valve mounting holes (12), the air outlet valve mounting hole (12) are offered on the cylinder cap plate (14)
Side be equipped with inlet valve mounting hole (11), gas is installed between the inlet valve mounting hole (11) and air outlet valve mounting hole (12)
Door guide rail mounting hole (13), the inside of the head body (1) is equipped with water pipe rack (15)；
The water pipe rack (15) includes upper cover (151), middle cover (152), water pipe (153) and bottom cover (154), the water pipe rack (15)
Upper end be equipped with upper cover (151), the side of the upper cover (151) is equipped with notch (1511), and the middle part of the upper cover (151) is socketed
Have stair-stepping middle cover (152), the two sides of the middle cover (152) are equipped with water pipe upper cover plate (1521), the middle cover (152)
Lower end is equipped with bottom cover (154), and the two sides of the bottom cover (154) are equipped with water pipe lower cover plate (1541), the water pipe lower cover plate
(1541) water pipe ditch (155) are equipped between water pipe upper cover plate (1521), are installed between the middle cover (152) and bottom cover (154)
Have water pipe (153), the water pipe (153) includes water tube plate (1531) and pipeline (1532), is set in the middle part of the pipeline (1532)
Have water tube plate (1531), the water tube plate (1531) is installed between middle cover (152) and bottom cover (154), the water pipe lower cover plate
(1541) it is equipped between water pipe upper cover plate (1521) pipeline (1532)；
It is equipped with inlet valve (2) in the middle part of the inlet valve mounting hole (11), the inlet valve (2) includes gas bar (21), gas nozzle
(22), the upper end of oil duct (23) and oil pipe (24), the inlet valve (2) is equipped with gas bar (21), and the lower end of the gas bar (21) is set
Have gas nozzle (22), the outside of the gas bar (21) is socketed with oil pipe (24), and the oil pipe (24) includes outer tube (241), inner tube
(242), the first collar extension (243) and the second collar extension (244) are socketed with inner tube (242) in the middle part of the outer tube (241), it is described in
It is socketed with gas bar (21) in the middle part of pipe (242), one end of the outer tube (241) is equipped with the first collar extension (243), said inner tube
(242) one end is equipped with the second collar extension (244), and the lower end of the gas nozzle (22) offers oil duct (23).
2. a kind of natural gas vehicle engine cylinder cover structure as described in claim 1, it is characterised in that: the outer tube (241)
Gap between inner tube (242) is communicated with oil duct (23).
3. a kind of natural gas vehicle engine cylinder cover structure as described in claim 1, it is characterised in that: the middle cover (152)
Bottom surface and bottom cover (154) upper surface be welding, and offer reinforcement in the internal side wall of bottom cover (154) and middle cover (152)
Muscle (1521).
4. a kind of natural gas vehicle engine cylinder cover structure as described in claim 1, it is characterised in that: said inner tube (242)
It is equipped with latch (2421) with the internal side wall of water pipe ditch (155), latch (2421) is respectively fixedly connected with gas bar (21) and pipeline
(1532)。
5. a kind of natural gas vehicle engine cylinder cover structure as described in claim 1, it is characterised in that: the cylinder cap plate (14)
Inside be equipped with multiple water pipe racks (15), pipeline (1532), water pipe lower cover plate (1541) between multiple water pipe racks (15) and
Water pipe upper cover plate (1521) homogeneously connects.
6. a kind of natural gas vehicle engine cylinder cover structure as described in claim 1, it is characterised in that: the upper cover (151),
Middle cover (152) and bottom cover (154) are cylindrical shape, and water tube plate (1531) is welded between middle cover (152) and bottom cover (154),
Upper cover (151) is socketed on the upper end of middle cover (152).
7. a kind of natural gas vehicle engine cylinder cover structure as described in claim 1, it is characterised in that: the cylinder cap plate (14)
Two sides spark plug (3) are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910792216.9A CN110425051B (en) | 2019-08-26 | 2019-08-26 | Cylinder cover structure of natural gas automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910792216.9A CN110425051B (en) | 2019-08-26 | 2019-08-26 | Cylinder cover structure of natural gas automobile engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110425051A true CN110425051A (en) | 2019-11-08 |
| CN110425051B CN110425051B (en) | 2024-03-15 |
Family
ID=68416013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910792216.9A Active CN110425051B (en) | 2019-08-26 | 2019-08-26 | Cylinder cover structure of natural gas automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110425051B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030037757A1 (en) * | 2001-08-24 | 2003-02-27 | Osband Lance Ian | Osband super inductionexhaustion valveshaft' engine system, V-type, flat-type, single-type, multi-cylinder four-cycle engine(s) |
| CN101302961A (en) * | 2007-05-10 | 2008-11-12 | 中国第一汽车集团公司 | Natural gas engine |
| CA2759121A1 (en) * | 2008-04-16 | 2009-12-03 | Mitja Victor Hinderks | New reciprocating machines and other devices |
| JP2015166595A (en) * | 2015-04-24 | 2015-09-24 | ヒンダークス，ミトジャ，ビクター | Novel reciprocating machinery, and other devices |
| CN109707526A (en) * | 2018-12-26 | 2019-05-03 | 郭严成 | A kind of automobile engine using new energy resources cylinder cap of positioning igniting |
| CN210919258U (en) * | 2019-08-26 | 2020-07-03 | 湖北玛尔帕斯动力科技有限公司 | Cylinder cover structure of natural gas automobile engine |
-
2019
- 2019-08-26 CN CN201910792216.9A patent/CN110425051B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030037757A1 (en) * | 2001-08-24 | 2003-02-27 | Osband Lance Ian | Osband super inductionexhaustion valveshaft' engine system, V-type, flat-type, single-type, multi-cylinder four-cycle engine(s) |
| CN101302961A (en) * | 2007-05-10 | 2008-11-12 | 中国第一汽车集团公司 | Natural gas engine |
| CA2759121A1 (en) * | 2008-04-16 | 2009-12-03 | Mitja Victor Hinderks | New reciprocating machines and other devices |
| CN102066710A (en) * | 2008-04-16 | 2011-05-18 | 米提亚·维克托·辛德克斯 | New reciprocating machines and other devices |
| JP2015166595A (en) * | 2015-04-24 | 2015-09-24 | ヒンダークス，ミトジャ，ビクター | Novel reciprocating machinery, and other devices |
| CN109707526A (en) * | 2018-12-26 | 2019-05-03 | 郭严成 | A kind of automobile engine using new energy resources cylinder cap of positioning igniting |
| CN210919258U (en) * | 2019-08-26 | 2020-07-03 | 湖北玛尔帕斯动力科技有限公司 | Cylinder cover structure of natural gas automobile engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110425051B (en) | 2024-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105221290B (en) | Double-deck annular cooling oil duct piston structure | |
| CN105221286A (en) | Engine cylinder cooling chamber | |
| CN201209472Y (en) | Cooling system of gasoline engine | |
| CN110425051A (en) | A kind of natural gas vehicle engine cylinder cover structure | |
| CN101634256A (en) | Cylinder head arrangement with valve cooling and valve lubrication | |
| CN210919258U (en) | Cylinder cover structure of natural gas automobile engine | |
| CN105683512B (en) | The air bleeding valve cooling means of air bleeding valve valve mechanism, diesel engine and air bleeding valve valve mechanism | |
| CN103511117A (en) | Diesel engine and cylinder head thereof | |
| CN203358333U (en) | Side single gas cylinder LNG (liquefied natural gas) feed system for heavy truck | |
| CN103388584A (en) | Radiator for reducing stress and trimmer pressure | |
| CN201209497Y (en) | Oil heater for diesel internal combustion engine | |
| CN204729190U (en) | LNG motor vaporizer and LNG motor | |
| CN107023417A (en) | A kind of type range extender engine structure | |
| CN203515845U (en) | Diesel engine and cylinder cover thereof | |
| CN206889122U (en) | Covered on engine | |
| CN201953494U (en) | Engine cylinder head | |
| CN205779252U (en) | A kind of Multi-functional V-shaped power all-in-one | |
| CN201103433Y (en) | Lower oil casing tube device of coal-bed methane engine | |
| CN202417746U (en) | Energy-saving and emission-reducing motor | |
| CN202545065U (en) | Energy-saving emission-reduction device for diesel engine | |
| CN203796461U (en) | Diesel engine fuel tank | |
| CN207974888U (en) | A kind of cylinder of anti-carbon deposition abrasion | |
| CN202369559U (en) | Gas cooling device in gasification furnace | |
| CN211343183U (en) | Novel intelligent oil-saving oil tank | |
| CN103397950B (en) | The piston of assemblage gap pairing energy saving environment protection piston ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |