CN108194240A - A kind of engine nozzle - Google Patents
A kind of engine nozzle Download PDFInfo
- Publication number
- CN108194240A CN108194240A CN201810053655.3A CN201810053655A CN108194240A CN 108194240 A CN108194240 A CN 108194240A CN 201810053655 A CN201810053655 A CN 201810053655A CN 108194240 A CN108194240 A CN 108194240A
- Authority
- CN
- China
- Prior art keywords
- valve
- needle
- oil
- valve body
- gap
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
Abstract
The invention discloses a kind of engine nozzles,Including valve body and needle-valve,The needle-valve is distributed in the internal of valve body,Oil input channel is offered inside the first half of valve body,The connecting portion of the oil input channel and needle-valve offers oil trap,Gap oil duct is equipped between valve body and needle-valve,The upper end of the gap oil duct and oil sump,The lower end of gap oil duct is connected with valve body seat surface,This engine nozzle,When needle-valve above carries,Fuel oil is entered from oil input channel in oil trap,In gap feed pressure room between gap oil duct and valve body seat surface and needle-valve,When needle-valve pushes,Needle-valve head is penetrated in balancing gate pit,Gap is blocked,And increase pressure chamber pressure,Improve fuel spray fogging degree,Spraying is enable to be uniformly distributed in the combustion chamber,Reduce unnecessary fuel oil loss,Improve efficiency of combustion,It is equipped with four spray orifice oil ducts,Enable the burning of fuel spray in the combustion chamber more abundant.
Description
Technical field
The present invention relates to engine oil technical field, specially a kind of engine nozzle.
Background technology
In the prior art：Application publication number is that the patent of 103410647 A of CN discloses a kind of engine nozzle, it
Including housing, oil inlet pipe and flowline, coil block is equipped in the housing, core assembly is equipped in the oil outlet chamber of flowline
And valve deck, the valve deck are equipped with nozzle opening, the core assembly includes spool and valve rod, be equipped in the valve deck every
Oiled-plate method forms fuel injection chamber between the spool, oil separating plate and valve deck, the oil separating plate, which is equipped with, makes oil outlet chamber and fuel injection chamber
The connectivity slot of connection；
Atomizer injects fuel into combustion chamber, makes air-fuel mixture after-combustion, pushes piston acting, the fuel oil of current fuel injector
Injection, it is low to the ability of air-fuel mixture, greatly reduce the performance of engine.
Invention content
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of engine nozzle, enables spraying
It is enough to be uniformly distributed in the combustion chamber, unnecessary fuel oil loss is reduced, efficiency of combustion is improved, can effectively solve background technology
The problems in.
To achieve the above object, the present invention provides following technical solution：A kind of engine nozzle, including valve body and needle
Valve, the needle-valve are distributed in the internal of valve body, the company of oil input channel, the oil input channel and needle-valve are offered inside the first half of valve body
Socket part position offers oil trap, and gap oil duct, the upper end of the gap oil duct and oil sump are equipped between valve body and needle-valve,
The lower end of gap oil duct is connected with valve body seat surface, and the lower end of the valve body is V-structure, and the bottom inside of valve body is equipped with pressure
Room is connected between the balancing gate pit and valve body by spray orifice.
As a preferred technical solution of the present invention, the needle-valve head is pyramidal structure, and pressure is stretched on the head of needle-valve head
The inside of power room.
As a preferred technical solution of the present invention, the spray orifice has four, the angle of two be located below spray orifice
It it is 60 °, the angle of two spray orifices located above is 120 °.
Compared with prior art, the beneficial effects of the invention are as follows：This engine nozzle, when needle-valve above carries, fuel oil from
Oil input channel is entered in oil trap, in the gap feed pressure room between gap oil duct and valve body seat surface and needle-valve, when
When needle-valve pushes, needle-valve head is penetrated in balancing gate pit, and gap is blocked, and increases pressure chamber pressure, makes fuel spray fogging degree
It improves, spraying is enable to be uniformly distributed in the combustion chamber, reduce unnecessary fuel oil loss, improve efficiency of combustion, be equipped with
Four spray orifice oil ducts enable the burning of fuel spray in the combustion chamber more abundant.
Description of the drawings
Fig. 1 is cross-sectional view of the structure of the present invention；
Fig. 2 is needle-valve header structure enlarged drawing of the present invention.
In figure：1 valve body, 2 oil input channels, 3 oil traps, 4 needle-valves, 5 gap oil ducts, 6 needle-valve heads, 7 balancing gate pits, 8 valve body seat surfaces,
9 spray orifices.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of a kind of engine nozzle of engine nozzle,
Including valve body 1 and needle-valve 4, needle-valve 4 is distributed in the internal of valve body 1, and oil input channel 2, oil input channel are offered inside the first half of valve body 1
2 offer oil trap 3 with the connecting portion of needle-valve 4, and gap oil duct 5, the upper end of gap oil duct 5 are equipped between valve body 1 and needle-valve 4
It is connected with oil trap 3, the lower end of gap oil duct 5 is connected with valve body seat surface 8, and the lower end of valve body 1 is V-structure, the bottom of valve body 1
Inside is equipped with balancing gate pit 7, is connected between balancing gate pit 7 and valve body 1 by spray orifice 9, and when needle-valve 4 above carries, fuel oil is from oil input channel 2
It enters in oil trap 3, in the gap feed pressure room between gap oil duct 5 and valve body seat surface 8 and needle-valve 4, works as needle
When valve 4 pushes, needle-valve head 6 is penetrated in balancing gate pit 7, and gap is blocked, and increases pressure chamber pressure, makes fuel spray fogging degree
It improves, spraying is enable to be uniformly distributed in the combustion chamber, reduce unnecessary fuel oil loss, improve efficiency of combustion；
Needle-valve head 6 is pyramidal structure, is stretched into balancing gate pit 7 convenient for needle-valve head 6, the interior of balancing gate pit 7 is stretched on the head of needle-valve head 6
Portion；
Spray orifice 9 has four, and the angle of two be located below spray orifice 9 is 60 °, and the angle of two spray orifices 9 located above is 120 °,
Enable the burning of fuel spray in the combustion chamber more abundant.
When in use：When needle-valve 4 above carries, fuel oil is entered from oil input channel 2 in oil trap 3, via gap oil duct 5 and
In gap feed pressure room 7 between valve body seat surface 8 and needle-valve 4, when needle-valve 4 pushes, needle-valve head 6 is penetrated in balancing gate pit 7, will
Gap is blocked, and increases pressure chamber pressure, improves fuel spray fogging degree, and fuel spray is sprayed via spray orifice 9.
When needle-valve 4 above carries, fuel oil is entered from oil input channel 2 in oil trap 3 present invention, via gap oil duct 5 and valve
In gap feed pressure room between housing face 8 and needle-valve 4, when needle-valve 4 pushes, needle-valve head 6 is penetrated in balancing gate pit 7, by between
Gap is blocked, and increases pressure chamber pressure, improves fuel spray fogging degree, spraying is enable to be uniformly distributed in the combustion chamber,
Unnecessary fuel oil loss is reduced, efficiency of combustion is improved, is equipped with four spray orifice oil ducts, enables fuel spray in combustion chamber
Interior burning is more abundant.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of engine nozzle, including valve body（1）And needle-valve（4）, it is characterised in that：The needle-valve（4）It is distributed in valve body
（1）Internal, valve body（1）The first half inside offer oil input channel（2）, the oil input channel（2）With needle-valve（4）Connecting portion
Offer oil trap（3）, valve body（1）And needle-valve（4）Between be equipped with gap oil duct（5）, the gap oil duct（5）Upper end and collection
Oil groove（3）Connection, gap oil duct（5）Lower end be connected with valve body seat surface（8）, the valve body（1）Lower end for V-structure, valve
Body（1）Bottom inside be equipped with balancing gate pit（7）, the balancing gate pit（7）With valve body（1）Between pass through spray orifice（9）It connects.
2. a kind of engine nozzle according to claim 1, it is characterised in that：The needle-valve head（6）For pyramidal structure,
Needle-valve head（6）Head stretch into balancing gate pit（7）Inside.
3. a kind of engine nozzle according to claim 1, it is characterised in that：The spray orifice（9）There are four, under being located at
Two spray orifices in face（9）Angle be 60 °, two spray orifices located above（9）Angle be 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053655.3A CN108194240A (en) | 2018-01-19 | 2018-01-19 | A kind of engine nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810053655.3A CN108194240A (en) | 2018-01-19 | 2018-01-19 | A kind of engine nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194240A true CN108194240A (en) | 2018-06-22 |
Family
ID=62590261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810053655.3A Pending CN108194240A (en) | 2018-01-19 | 2018-01-19 | A kind of engine nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194240A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982350A (en) * | 2014-04-22 | 2014-08-13 | 江苏大学 | Needle valve component for fuel injection device |
| DE102013217371A1 (en) * | 2013-08-30 | 2015-03-05 | Robert Bosch Gmbh | fuel injector |
| CN104612875A (en) * | 2014-12-02 | 2015-05-13 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Novel high flow injector nozzle matching parts of common rail injector |
| CN106014738A (en) * | 2016-07-12 | 2016-10-12 | 江西汇尔油泵油嘴有限公司 | Obstructing type oil injection method and oil injection nozzle |
| CN205823518U (en) * | 2016-07-06 | 2016-12-21 | 江西汇尔油泵油嘴有限公司 | A kind of atomizer |
| CN206360829U (en) * | 2016-07-06 | 2017-07-28 | 江西汇尔油泵油嘴有限公司 | A kind of atomizer of high atomization degree |
-
2018
- 2018-01-19 CN CN201810053655.3A patent/CN108194240A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013217371A1 (en) * | 2013-08-30 | 2015-03-05 | Robert Bosch Gmbh | fuel injector |
| CN103982350A (en) * | 2014-04-22 | 2014-08-13 | 江苏大学 | Needle valve component for fuel injection device |
| CN104612875A (en) * | 2014-12-02 | 2015-05-13 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Novel high flow injector nozzle matching parts of common rail injector |
| CN205823518U (en) * | 2016-07-06 | 2016-12-21 | 江西汇尔油泵油嘴有限公司 | A kind of atomizer |
| CN206360829U (en) * | 2016-07-06 | 2017-07-28 | 江西汇尔油泵油嘴有限公司 | A kind of atomizer of high atomization degree |
| CN106014738A (en) * | 2016-07-12 | 2016-10-12 | 江西汇尔油泵油嘴有限公司 | Obstructing type oil injection method and oil injection nozzle |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |
|
| RJ01 | Rejection of invention patent application after publication |