CN208089368U - A kind of water spray exhaust valve - Google Patents
A kind of water spray exhaust valve Download PDFInfo
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- CN208089368U CN208089368U CN201820408590.5U CN201820408590U CN208089368U CN 208089368 U CN208089368 U CN 208089368U CN 201820408590 U CN201820408590 U CN 201820408590U CN 208089368 U CN208089368 U CN 208089368U
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- resetting
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- 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
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a kind of water spray exhaust valves, including valve assembly and spray module, valve assembly includes valve seating, valve fore-set, valve fore-set resetting-mechanism, valve foot and camshaft, valve seating is flexibly connected with valve fore-set by valve fore-set resetting-mechanism, valve foot passes through valve seating and is connected with valve fore-set from bottom to top, and camshaft is connected with valve fore-set；Spray module includes the hydraulic cylinder being set on valve fore-set and hydraulic pressure prepressing device, the top of hydraulic cylinder is equipped with water vat valve, water vat valve is connected with valve fore-set resetting-mechanism, hydraulic cylinder is connected with water inlet pipe and return duct, water inlet pipe is connected with water vat valve, reflux check valve is equipped between return duct and hydraulic cylinder, hydraulic pressure prepressing device is connected with Pre-loaded one-way valve, and Pre-loaded one-way valve is connected with hydraulic cylinder.Water spray exhaust valve provided by the utility model, it is simple in structure, while there is water spray and degassing function, it can effectively reduce engine discharging amount, improve engine efficiency.
Description
Technical field
The utility model is related to a kind of water spray exhaust valves, belong to technical field of engines.
Background technology
With the development of global economy, global auto recoverable amount increases rapidly, not only increases the consumption of the energy, and shape
It is discharged at a large amount of tail gas (such as oxynitrides), atmospheric environment is produced and is seriously affected.The increase of vehicle exhaust discharge quantity
With the design close association of automobile engine, in order to improve engine thermal efficiency, in modern designs engine generally use compared with
High compression ratio, but cylinder temperature raising and discharge capacity therefore can be caused to increase.
The study found that engine water spray (water mixing) burning can reduce engine combustion temperatures, and then effectively reduces and start
Machine discharge capacity.Engine, which sprays water to burn, at present mainly directly water spray and air intake duct water spray two ways.
Directly water spray refers under high pressure directly being sprayed into water using former injection system or second set of spraying system
Cylinder can form oil gas emulsion in the combustion chamber, and water is added in diesel oil or gasoline combustion process, and water oil is mixed and burned,
Engine discharging amount can be effectively reduced while energy-saving, reduce atmosphere pollution, but this spray mode is needed to hair
Motivation system structure makes larger change, such as：Patent CN200620079381, CN200810028699, CN2017108702190
It Deng disclosed I. C. engine oil water mixed combustion apparatus, is required for making larger change to engine system structure, not only structure is multiple
It is miscellaneous, and production cost is higher.
Air intake duct water spray refers to spraying into water from air inlet, the water sprayed into from air inlet, in breaking up for inlet flow
Under the action of compressor impeller high speed centrifugation power, enter cylinder (such as BMW N55B30 model gasoline engines with air
The cylinder water injection system that machine uses, the engine are that a set of water injection system is added in inlet manifold)；This spray mode is compared
For directly spraying water, the total amount that moisture is sprayed under different operating modes can be controlled, without carrying out larger change to engine structure,
Fuel consumption rate can be reduced, while gas emissions can be greatly reduced, if but this mode water spray is excessive, meeting
So that liquid water is entered cylinder, cylinder wall is caused to corrode, while there is no effect to particulate emission, particulate emission can only be kept not dislike
Change, and air intake duct water spray is typically relatively specific for petrol engine (such as BMW N55B30 models petrol engine), no
Being applicable in diesel engine, (diesel engine uses compression-ignited igniting, and to the more demanding of intake air temperature, air intake duct water spray can be reduced into temperature
Degree)；In addition to this, although this spray mode is not necessarily to carry out larger change to engine structure, engine performance is wanted
It asks higher, needs engine that there is high-power output ability.
In addition, the efficiency of engine and the discharge capacity of engine are closely related, the study found that engine efficiency is higher, hair
Motivation burning is more abundant, and discharge capacity also can be lower, for this purpose, domestic and international researcher is devoted to research and develop high-effect low row at present
The engine put.Turbocharger is to improve the effective means of engine efficiency, and supply burning is pressurized using turbocharger
The burning air of cylinder, keeps burning abundant.But the accommodation of the turbocharger of engine is relatively narrow at present, it can't be fine
The use demand for meeting engine.
Exhaust valve be one on engine can not or few building block, traditional exhaust valve only there is degassing function,
Function is more single, and there is presently no the relevant reports of the water spray exhaust valve with spraying function, are not suitable for more simultaneously
Gasoline engine and diesel engine water spray, can effectively reduce engine discharging amount, improve the correlation of the water spray exhaust valve of engine efficiency
Report.
Utility model content
Simple in structure have simultaneously in view of the above problems existing in the prior art, the purpose of the utility model is to provide a kind of
The water spray exhaust valve for having water spray and degassing function, in favor of effectively reducing engine discharging amount, improving engine efficiency.
To achieve the above object, the utility model adopts the following technical solution：
A kind of water spray exhaust valve, including valve assembly and spray module, the valve assembly include valve seating, valve top
Column, valve fore-set resetting-mechanism, valve foot and camshaft, the valve fore-set are set to the top of valve seating, valve seating and valve
Fore-set is flexibly connected by valve fore-set resetting-mechanism, and the valve foot is set to the lower part of valve seating, and stomata is equipped in valve foot,
Valve foot passes through valve seating and is connected with valve fore-set from bottom to top, and the camshaft is connected with valve fore-set；The spray
Water assembly includes the hydraulic cylinder being set on valve fore-set and hydraulic pressure prepressing device, and the top of the hydraulic cylinder is equipped with water vat valve, institute
Water vat valve is stated with valve fore-set resetting-mechanism to be connected, the hydraulic cylinder is connected with water inlet pipe and return duct, the water inlet pipe with
Water vat valve is connected, and reflux check valve is equipped between the return duct and hydraulic cylinder, and the hydraulic pressure prepressing device is connected with preload
Check valve, the Pre-loaded one-way valve are connected with hydraulic cylinder.
Preferably, there are gaps between valve seating and valve fore-set.
Preferably, the valve fore-set resetting-mechanism is several resetting springs arranged in parallel.
Preferably, the hydraulic pressure prepressing device includes several hydraulic pressure preloading springs arranged in parallel.
Preferably, the hydraulic cylinder is equipped with hydraulic cylinder resetting-mechanism, and hydraulic cylinder passes through hydraulic cylinder resetting-mechanism
It is flexibly connected with valve fore-set.
As further preferred scheme, the hydraulic cylinder resetting-mechanism is several resetting springs arranged in parallel.
As still more preferably scheme, hydraulic cylinder resetting-mechanism is different from the intrinsic frequency of valve fore-set resetting-mechanism.
Preferably, the hydraulic cylinder is set to the end of valve fore-set, is in contact with the inner surface of valve seating, described
The contact surface of hydraulic cylinder and valve seating is equipped with sealing ring.
Compared to the prior art, the advantageous effects of the utility model are：
Water spray exhaust valve provided by the utility model only need to be in the gas of exhaust valve without being modified to engine structure
Water injection system is set in door fore-set, and simple in structure, water spray is stablized, and engine is used for, can be in exhaust process to cylinder
Middle water spray reduces atmosphere pollution in favor of effectively reducing engine discharging amount；Also, water spray exhaust provided by the utility model
Door is applicable not only to gasoline engine and is also applied for diesel engine, for turbo-charged diesel, since this practicality is new
The water spray exhaust valve that type provides can spray water in exhaust process into cylinder so that the water mist in cylinder can be in exhaust manifold
Middle generation second-time burning, can make burning more abundant, to which the accommodation of Turbochargers in Diesel Engines can be improved, and then can have
Effect improves engine efficiency；In addition, water spray exhaust valve provided by the utility model, compact-sized, space, working efficiency are saved
Height, water injection system are intervened without electronic system by Mechanical course, and reliability is high, of low cost, have extremely strong practical value and
Conspicuousness progress.
Description of the drawings
Fig. 1 is structural schematic diagram when water spray exhaust valve provided by the utility model is in original state；
Fig. 2 is structural schematic diagram when water spray exhaust valve provided by the utility model is in water spray state；
Fig. 3 is structural schematic diagram when water spray exhaust valve provided by the utility model is in return water state；
Fig. 4 is structural schematic diagram when water spray exhaust valve provided by the utility model is in into water state；
Fig. 5 is structural schematic diagram when water spray exhaust valve provided by the utility model returns to original state；
Figure label is schematically as follows：1- valve seatings；2- valve fore-sets；3- valve fore-set resetting-mechanisms；4- valve feet；41-
Stomata；5- camshafts；6- hydraulic cylinders；7- hydraulic pressure prepressing devices；71- hydraulic pressure preloading springs；8- water vat valves；9- water inlet pipes；10-
Return duct；11- reflux check valves；12- Pre-loaded one-way valves；13- hydraulic cylinder resetting-mechanisms；14- sealing rings.
Specific implementation mode
The technical solution of the utility model is done below with reference to drawings and examples and is further clearly and completely described.
Embodiment
Shown in Fig. 1 to Fig. 5：A kind of water spray exhaust valve provided by the utility model, including valve assembly and water spray
Component, the valve assembly include valve seating 1, valve fore-set 2, valve fore-set resetting-mechanism 3, valve foot 4 and camshaft 5, institute
The top that valve fore-set 2 is set to valve seating 1 is stated, valve seating 1 is flexibly connected with valve fore-set 2 by valve fore-set resetting-mechanism 3,
The valve foot 4 is set to the lower part of valve seating 1, and stomata 41 is equipped in valve foot 4, and valve foot 4 passes through valve seating 1 simultaneously from bottom to top
It is connected with valve fore-set 2, the camshaft 5 is connected with valve fore-set 2, and (as shown in the figure, camshaft 5 is installed on valve top
The top of column 2)；The spray module includes the hydraulic cylinder 6 being set on valve fore-set 2 and hydraulic pressure prepressing device 7, the hydraulic cylinder
6 top is equipped with water vat valve 8, and the water vat valve 8 is connected with valve fore-set resetting-mechanism 3, and the hydraulic cylinder 6 is connected with into water
Pipe 9 and return duct 10, the water inlet pipe 9 are connected with water vat valve 8, and it is single that reflux is equipped between the return duct 10 and hydraulic cylinder 6
To valve 11, the hydraulic pressure prepressing device 7 is connected with Pre-loaded one-way valve 12, and the Pre-loaded one-way valve 12 is connected with hydraulic cylinder 6.
There are the gap (white spaces in Fig. 1 between valve seating 1 and valve fore-set 2 between valve seating 1 and valve fore-set 2
It is), to facilitate lubricating oil to enter.
As shown in Figures 1 to 5, the valve fore-set resetting-mechanism 3 is several resetting springs arranged in parallel, several resets
Spring is symmetrically distributed on valve fore-set 2.
The hydraulic pressure prepressing device 7 includes several hydraulic pressure preloading springs arranged in parallel, and hydraulic pressure prepressing device 7 is that hydraulic pressure is pre-
The preload pressure of tight spring is configured according to water vat irrigation pressure.
The hydraulic cylinder 6 is equipped with hydraulic cylinder resetting-mechanism 13, and hydraulic cylinder 6 passes through hydraulic cylinder resetting-mechanism 13 and valve top
Column 2 is flexibly connected.
The hydraulic cylinder resetting-mechanism 13 is several resetting springs arranged in parallel, several resetting springs pair arranged in parallel
What is claimed is distributed on hydraulic cylinder 6.
Hydraulic cylinder resetting-mechanism 13 is different from the intrinsic frequency of valve fore-set resetting-mechanism 3, i.e. reset bullet on hydraulic cylinder 6
The intrinsic frequency of spring is different from the intrinsic frequency of the resetting spring on valve fore-set, to prevent the two from resonating, two kinds of resets
High-fatigue strength spring all can be used in spring, to ensure its service life.
The hydraulic cylinder 6 be set to valve fore-set 2 end, be in contact with the inner surface of valve seating 1, the hydraulic cylinder 6 with
The contact surface of valve seating 1 is equipped with sealing ring 14, to ensure the leakproofness of high-tension apparatus entirety.Axial line, the gas of the valve seating 1
The axial line of axial line and the valve foot 4 of door fore-set 2 point-blank, to ensure the balance of exhaust valve entirety.
Water spray exhaust valve described in the utility model is mounted directly use on the engine, and being installed on engine makes
Used time can be connected together between water inlet pipe 9, return duct 10 by threeway, then external water tank, since pipeline passes through
External water tank, which supply water, belongs to the common knowledge of this field, therefore just no longer repeats one by one herein.
The operation principle of water spray exhaust valve described in the utility model is as follows：
First, as shown in Figure 1：Water spray exhaust valve is in original state, and camshaft 5 is in base circle position at this time, not to gas
Door fore-set 2 applies pressure, and the water vat valve 8 being connected with valve fore-set 2 is in normal condition, the cylinder of intake pressure and hydraulic cylinder 6
Interior pressure is identical, and water is full of in hydraulic cylinder 6；
Then, as shown in Figure 2：Camshaft 5 leaves base circle position, starts to do work to valve fore-set 2, valve fore-set 2 compresses
Valve fore-set resetting-mechanism 3, while the water vat valve 8 being connected with valve fore-set 2 moves down, to approach and block water inlet pipe
9, at this time the in-cylinder pressure of intake pressure and hydraulic cylinder 6 start to differ, in-cylinder pressure with camshaft 5 it is further acting get over
Come bigger, since in-cylinder pressure constantly becomes larger, and then the hydraulic pressure prepressing device 7 being connect with hydraulic cylinder 6 can be pushed, and then opens
The Pre-loaded one-way valve 12 being connected with hydraulic pressure prepressing device 7, you can spray water to engine air cylinder interior, in the process, with gas
The valve foot 4 that door fore-set 2 is connected is under pressure, and stomata is opened, to open exhaust valve；
Then, as shown in Figure 3：Camshaft 5 continues to rotate, and when rotating to minimum point, exhaust valve is all beaten at this time
It opens, while water vat valve 8 is closed, after water spray, hydraulic cylinder 6, which moves upwards, gradually keeps in the center, with hydraulic cylinder 6 and return duct 10
The reflux check valve 11 being connected is opened, and 6 inside of hydraulic cylinder starts return water；
Then, as shown in Figure 4：Camshaft 5 starts to rotate to basic circle direction, and Pre-loaded one-way valve 12 is closed, and flow back check valve
11 close, and return duct 11 is closed, and water inlet pipe 9 starts the water level into remaining stroke；
Finally, as shown in Figure 5：Water inlet pipe 9 is completed after being left the water level of stroke, the cylinder internal pressure of intake pressure and hydraulic cylinder 6
Power gradually returns identical, and water vat valve 8 is returned to initial position, and valve fore-set 2 also returns under the promotion of valve fore-set resetting-mechanism 3
Initial position is arrived again, and entire exhaust valve device revert to original state, and a cycle water spray exhaust is completed.
By the operation principle of above-mentioned water spray exhaust valve it is known that starting when the water spray exhaust valve of the utility model is installed to
On machine in use, since spray module is mounted on the gas deflation assembly of exhaust valve, there is no need to the air inlet discriminations in engine
A set of water injection system is additionally added in pipe, is not changed substantially to the structure of engine itself, also avoids the spray of conventional gas introduction road
A series of defects of water, in addition, since water injection system is located on exhaust valve, then the engine for being equipped with the exhaust valve is working
When, you can spray water into cylinder in exhaust process, the water mist in cylinder can better disperse, gas of the water mist in high temperature and pressure
Second-time burning can occur in cylinder, so as to effectively reduce engine discharging amount, reduce atmosphere pollution；Also it is just because of water spray
System is installed on exhaust valve so that and the water spray exhaust valve is applicable not only to the diesel engine that gasoline engine is also applied for compression-ignited igniting,
For turbo-charged diesel, second-time burning occurs in exhaust manifold for the water mist in cylinder, can improve
Exhaust gas density and exhaust energy, so that the turbine in turbocharger plays pressurization in advance, it is meant that engine exists
Lower rotating speed can use turbocharger, and for high-speed state, second-time burning can also be further
Widen the continuous revolutions of turbine so that the lasting boosting capability enhancing of engine at high speed, supercharging effect is more obvious, most
The accommodation of Turbochargers in Diesel Engines is improved eventually, and then can effectively improve engine efficiency.
In addition, water spray exhaust valve provided by the utility model is to keep the change in location of valve fore-set real by camshaft rotation
It now sprays water, completely by Mechanical course, is intervened without electronic system, reliability is high, of low cost, and water spray is stablized adjustable.
In conclusion water spray exhaust valve provided by the utility model, simple in structure, easy to use, of low cost, have simultaneously
There are water spray and degassing function, after being installed and used with engine (including gasoline engine and diesel engine) cooperation, can effectively reduce and start
Machine discharge capacity improves engine efficiency, compared with the existing technology, has conspicuousness progress, has application value.
It is last it is necessarily pointed out that：The foregoing is merely the preferable specific implementation modes of the utility model, but this
The protection domain of utility model is not limited thereto, and any one skilled in the art discloses in the utility model
In technical scope, the change or replacement that can be readily occurred in should be covered within the scope of the utility model.
Claims (8)
1. a kind of water spray exhaust valve, it is characterised in that：Including valve assembly and spray module, the valve assembly includes valve
Seat, valve fore-set, valve fore-set resetting-mechanism, valve foot and camshaft, the valve fore-set are set to the top of valve seating, valve
Seat is flexibly connected with valve fore-set by valve fore-set resetting-mechanism, and the valve foot is in the lower part of valve seating, valve foot
Equipped with stomata, valve foot passes through valve seating and is connected with valve fore-set from bottom to top, and the camshaft is connected with valve fore-set
It connects；The spray module includes that the hydraulic cylinder being set on valve fore-set and hydraulic pressure prepressing device, the top of the hydraulic cylinder are equipped with
Water vat valve, the water vat valve are connected with valve fore-set resetting-mechanism, and the hydraulic cylinder is connected with water inlet pipe and return duct, described
Water inlet pipe is connected with water vat valve, and reflux check valve is equipped between the return duct and hydraulic cylinder, and the hydraulic pressure prepressing device connects
It is connected to Pre-loaded one-way valve, the Pre-loaded one-way valve is connected with hydraulic cylinder.
2. water spray exhaust valve according to claim 1, it is characterised in that：There are gaps between valve seating and valve fore-set.
3. water spray exhaust valve according to claim 1, it is characterised in that：The valve fore-set resetting-mechanism is several parallel
The resetting spring of arrangement.
4. water spray exhaust valve according to claim 1, it is characterised in that：The hydraulic pressure prepressing device includes several parallels
The hydraulic pressure preloading spring of row.
5. water spray exhaust valve according to claim 1, it is characterised in that：The hydraulic cylinder is equipped with hydraulic cylinder and resets machine
Structure, hydraulic cylinder are flexibly connected by hydraulic cylinder resetting-mechanism with valve fore-set.
6. water spray exhaust valve according to claim 5, it is characterised in that：The hydraulic cylinder resetting-mechanism is several parallels
The resetting spring of row.
7. water spray exhaust valve according to claim 6, it is characterised in that：Hydraulic cylinder resetting-mechanism resets machine with valve fore-set
The intrinsic frequency of structure is different.
8. water spray exhaust valve according to claim 1, it is characterised in that：The hydraulic cylinder is set to the end of valve fore-set,
It is in contact with the inner surface of valve seating, the contact surface of the hydraulic cylinder and valve seating is equipped with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820408590.5U CN208089368U (en) | 2018-03-26 | 2018-03-26 | A kind of water spray exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820408590.5U CN208089368U (en) | 2018-03-26 | 2018-03-26 | A kind of water spray exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208089368U true CN208089368U (en) | 2018-11-13 |
Family
ID=64060463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820408590.5U Withdrawn - After Issue CN208089368U (en) | 2018-03-26 | 2018-03-26 | A kind of water spray exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208089368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412569A (en) * | 2018-03-26 | 2018-08-17 | 上海工程技术大学 | A kind of water spray exhaust valve |
-
2018
- 2018-03-26 CN CN201820408590.5U patent/CN208089368U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412569A (en) * | 2018-03-26 | 2018-08-17 | 上海工程技术大学 | A kind of water spray exhaust valve |
| CN108412569B (en) * | 2018-03-26 | 2023-04-28 | 上海工程技术大学 | Water spray exhaust valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181113 Effective date of abandoning: 20230428 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181113 Effective date of abandoning: 20230428 |