CN203594543U - Fuel injection pump nozzle assembly - Google Patents
Fuel injection pump nozzle assembly Download PDFInfo
- Publication number
- CN203594543U CN203594543U CN201320606295.8U CN201320606295U CN203594543U CN 203594543 U CN203594543 U CN 203594543U CN 201320606295 U CN201320606295 U CN 201320606295U CN 203594543 U CN203594543 U CN 203594543U
- Authority
- CN
- China
- Prior art keywords
- spring
- delivery valve
- fuel
- plunger coupled
- injection pump
- 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 - Fee Related
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a fuel injection pump nozzle assembly comprising a nozzle matching part, a cap nut, an intermediate and a pump body. The intermediate is arranged above the nozzle matching part, the nozzle matching part and the intermediate are fixed on the pump body through the cap nut, an ejection rod, a pressure adjusting spring and a pressure adjusting gasket are mounted on the nozzle matching part in sequence, a fuel passage, a delivery valve matching part and a plunger matching part are arranged inside the pump body, one end of the fuel passage is communicated with the nozzle matching part while the other end of the same is connected with the delivery valve matching part, and the delivery valve matching part is connected with the plunger matching part. According to the utility model, the fuel injection pump nozzle assembly is compact and reasonable in structural assembly, continuous fuel injection of a nozzle can be guaranteed, atomization effect of fuel injected by the nozzle is good, fuel performance is stable, fuel burning efficiency is improved, fuel consumption is reduced, and emission indexes of tail gas of an engine are optimized.
Description
Technical field
The utility model relates to Diesel Engine Technique Field, particularly relates to a kind of Injection Pump injector assembly.
Background technique
In recent years along with the raising of domestic industry level, diesel engine makes great progress on the workmanship of component, but day by day in short supply along with the constantly strict and petroleum-based energy of tail-gas law, makes for diesel emission standard and more and more stricter to the requirement of economical engine.
Oil nozzle is as the critical piece on diesel injection pump, and the quality of oil spout performance can affect the firing effect of fuel oil.In prior art, the Standard compactedness of oil nozzle is not good, and the fuel atomization effect of ejection is poor, has affected the stable of oil spout, has reduced the efficiency of fuel oil yet.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of Injection Pump injector assembly, Standard compact and reasonable, can guarantee the continuous injection of oil nozzle fuel oil, the fuel atomization effect of oil nozzle ejection is good, oil spout stable performance, the combustion efficiency that has improved fuel oil, has reduced oil consumption, has optimized the exhaust index of motor exhaust.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of Injection Pump injector assembly is provided, comprise: oil nozzle couple, tight cap, intermediate and the pump housing, intermediate is arranged on the top of oil nozzle couple, oil nozzle couple and intermediate are fixed on the pump housing by tight cap, push rod is installed in oil nozzle couple successively, pressure adjusting spring and pressure regulation pad, pump body is provided with oil duct, delivery valve matching parts and plunger coupled parts, one end of oil duct is connected with oil nozzle couple, the other end of oil duct connects delivery valve matching parts, delivery valve matching parts and plunger coupled parts assembly connection.
In preferred embodiment of the utility model, assembling place of described tight cap and the pump housing arranges by an O RunddichtringO and the sealing of the 2nd O RunddichtringO.
In preferred embodiment of the utility model, in described delivery valve matching parts, one end of delivery valve seat is connected with plunger coupled parts, and one end of fuel-displaced spool is provided with oil outlet valve spring and subtracts container.
In preferred embodiment of the utility model, the assembling end of described delivery valve seat and fuel-displaced spool is provided with outlet valve gasket seal.
In preferred embodiment of the utility model, one end of described plunger coupled parts and delivery valve matching parts assembling arrange, the other end of plunger coupled parts is provided with piston spring, spring-loaded body, spring lower seat and the body of holding out, piston spring is connected on plunger coupled parts by spring lower seat and spring-loaded body, and plunger coupled parts is also connected with spring lower seat the body of holding out by piston spring.
In preferred embodiment of the utility model, described plunger coupled parts is fixedly connected with the pump housing by gland nut, and assembling place of described gland nut and the pump housing is provided with the 3rd O RunddichtringO.
In preferred embodiment of the utility model, between described plunger coupled parts and piston spring, be also provided with fuel control sleeve.
The beneficial effects of the utility model are: the utility model Injection Pump injector assembly Standard compact and reasonable, can guarantee the continuous injection of oil nozzle fuel oil, the fuel atomization effect of oil nozzle ejection is good, oil spout stable performance, improve the combustion efficiency of fuel oil, reduce oil consumption, optimized the exhaust index of motor exhaust.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, 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, wherein:
Fig. 1 is the structural representation of Injection Pump injector assembly one preferred embodiment of the present utility model;
In accompanying drawing, the mark of each parts is as follows: 1, oil nozzle couple, 2, tight cap, 3, intermediate, 4, push rod, 5, an O RunddichtringO, 6, the 2nd O RunddichtringO, 7, pressure adjusting spring, 8, pressure regulation pad, 9, the pump housing, 10, subtract container, 11, oil outlet valve spring, 12, outlet valve gasket seal, 13, delivery valve matching parts, 14, plunger coupled parts, 15, gland nut, 16, the 3rd O RunddichtringO, 17, fuel-flow control sleeve, 18, piston spring, 19, spring-loaded body, 20, spring lower seat, 21, the body of holding out, 22, oil duct.
Embodiment
To the technological scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiments that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model is embodiment comprise:
A kind of Injection Pump injector assembly, comprise: oil nozzle couple 1, tight cap 2, intermediate 3 and the pump housing 9, intermediate 3 is arranged on the top of oil nozzle couple 1, push rod 4, pressure adjusting spring 7 and pressure regulation pad 8 are installed in described oil nozzle couple 1 successively, and oil nozzle couple 1 and intermediate 3 are fixed on the pump housing 9 by tight cap 2.
Described tight cap 2 arranges by an O RunddichtringO 5 and the 2nd O RunddichtringO 6 sealings with assembling place of the pump housing 9.
The described pump housing 9 inside are provided with oil duct 22, delivery valve matching parts 13 and plunger coupled parts 14, and one end of oil duct 22 is connected with oil nozzle couple 1, and the other end of oil duct 22 connects delivery valve matching parts 13, delivery valve matching parts 13 and plunger coupled parts 14 assembly connections.
In described delivery valve matching parts 13, one end of delivery valve seat is connected with plunger coupled parts 14, and one end of fuel-displaced spool is provided with oil outlet valve spring 11 and subtracts container 10, and the assembling end of described delivery valve seat and fuel-displaced spool is provided with outlet valve gasket seal 12.
One end of described plunger coupled parts 14 and delivery valve matching parts 13 assemblings arrange, the other end of plunger coupled parts 14 is provided with piston spring 18, spring-loaded body 19, spring lower seat 20 and the body 21 of holding out, piston spring 18 is connected on plunger coupled parts 14 by spring lower seat 20 and spring-loaded body 19, and plunger coupled parts 14 is also connected with spring lower seat 20 body 21 of holding out by piston spring 18.
Described plunger coupled parts is fixedly connected with the pump housing by gland nut, and assembling place of described gland nut and the pump housing is provided with the 3rd O RunddichtringO.
Between described plunger coupled parts 14 and piston spring 18, be also provided with fuel control sleeve 17, when making plunger coupled parts 14 by the rotation of fuel control sleeve 17, the adjusting of the pump housing 9 oil inside offering amounts rotates to realize, compression tappet body 21, can guarantee that fuel control sleeve 17 rotates flexible.
The working procedure of the utility model Injection Pump injector assembly is:
Plunger in plunger coupled parts 14 moves upward to plunger bushing upper oil hole and is blocked by plunger, due to the motion of plunger, fuel oil is extruded, in the time that plunger blocks oilhole, just started force feed process, plunger continues to rise, oil pressure raises, in the time that pressure exceeds the elastic force of oil outlet valve spring 11 and top oil pressure, just back down the fuel-displaced spool in delivery valve matching parts 13, then enter into oil nozzle couple 1 by oil duct 22,, then sprayed by the nozzle opening in oil nozzle couple 1 because the effect of pressure adjusting spring 7 produces high pressure at the interior fuel oil of oil nozzle couple 1.
The beneficial effect of the utility model Injection Pump injector assembly is:
Standard compact and reasonable, can guarantee the continuous injection of oil nozzle fuel oil, and the fuel atomization effect of oil nozzle ejection is good, and oil spout stable performance has improved the combustion efficiency of fuel oil, has reduced oil consumption, has optimized the exhaust index of motor exhaust.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. an Injection Pump injector assembly, it is characterized in that, comprise: oil nozzle couple, tight cap, intermediate and the pump housing, intermediate is arranged on the top of oil nozzle couple, oil nozzle couple and intermediate are fixed on the pump housing by tight cap, push rod, pressure adjusting spring and pressure regulation pad are installed in oil nozzle couple successively, pump body is provided with oil duct, delivery valve matching parts and plunger coupled parts, one end of oil duct is connected with oil nozzle couple, the other end of oil duct connects delivery valve matching parts, delivery valve matching parts and plunger coupled parts assembly connection.
2. Injection Pump injector assembly according to claim 1, is characterized in that, assembling place of described tight cap and the pump housing arranges by an O RunddichtringO and the sealing of the 2nd O RunddichtringO.
3. Injection Pump injector assembly according to claim 1, is characterized in that, in described delivery valve matching parts, one end of delivery valve seat is connected with plunger coupled parts, and one end of fuel-displaced spool is provided with oil outlet valve spring and subtracts container.
4. Injection Pump injector assembly according to claim 3, is characterized in that, the assembling end of described delivery valve seat and fuel-displaced spool is provided with outlet valve gasket seal.
5. Injection Pump injector assembly according to claim 1, it is characterized in that, one end of described plunger coupled parts and delivery valve matching parts assembling arrange, the other end of plunger coupled parts is provided with piston spring, spring-loaded body, spring lower seat and the body of holding out, piston spring is connected on plunger coupled parts by spring lower seat and spring-loaded body, and plunger coupled parts is also connected with spring lower seat the body of holding out by piston spring.
6. Injection Pump injector assembly according to claim 5, is characterized in that, described plunger coupled parts is fixedly connected with the pump housing by gland nut, and assembling place of described gland nut and the pump housing is provided with the 3rd O RunddichtringO.
7. Injection Pump injector assembly according to claim 5, is characterized in that, is also provided with fuel control sleeve between described plunger coupled parts and piston spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320606295.8U CN203594543U (en) | 2013-09-29 | 2013-09-29 | Fuel injection pump nozzle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320606295.8U CN203594543U (en) | 2013-09-29 | 2013-09-29 | Fuel injection pump nozzle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594543U true CN203594543U (en) | 2014-05-14 |
Family
ID=50675436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320606295.8U Expired - Fee Related CN203594543U (en) | 2013-09-29 | 2013-09-29 | Fuel injection pump nozzle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594543U (en) |
-
2013
- 2013-09-29 CN CN201320606295.8U patent/CN203594543U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106089523A (en) | A kind of high pressure common rail electric control fuel injector | |
| CN105351130B (en) | It is pressurized No leakage voltage control standard fuel gas ejecting device | |
| CN1916390A (en) | Fuel injector of diesel engine of using various fuels | |
| CN203594543U (en) | Fuel injection pump nozzle assembly | |
| CN202203015U (en) | Novel fuel injector assembly | |
| CN205089513U (en) | Common rail fuel injection nozzle idol piece of little sealed diameter | |
| CN204851506U (en) | A split type automatically controlled monoblock pump for diesel engine | |
| CN103485950A (en) | Fuel injection pump nozzle assembly | |
| CN105756829B (en) | Combined mechanical oil spout is pressurized piezoelectricity jet hybrid fuel jet device | |
| CN205154472U (en) | High -speed air -cooled diesel engine is with automatically controlled monomer injection pump | |
| CN207261139U (en) | Plunger type hand pump fuel filter | |
| CN203594541U (en) | Fuel injection pump assembly | |
| CN203560004U (en) | Plunger type carburetor with accelerating pump | |
| CN205714521U (en) | Combined mechanical oil spout-supercharging piezoelectricity jet hybrid fuel jet device | |
| CN202209243U (en) | Pressure adjustor | |
| CN204327364U (en) | The diesel engine fuel injecting device of architecture advances | |
| CN203594544U (en) | Oil injector assembly | |
| CN105756820A (en) | Combined pressurizing electromagnetic fuel oil injection and non-pressurizing piezoelectric fuel gas injection mixed fuel injection device | |
| CN204611817U (en) | Pitch combustion furnace fuel injection system | |
| CN201059233Y (en) | Injector fuel oil returning structure | |
| CN104989572A (en) | Split type electronic unit pump for diesel engine | |
| CN203515910U (en) | Self-filtering type oil nozzle | |
| CN204677337U (en) | A kind of universal Diesel Fuel-Natural Gas Dual fuel Electricity Spurt System | |
| CN203925843U (en) | The mechanical type that is applicable to petrol engine directly sprays oil supply system | |
| CN204610107U (en) | A kind of spring pillar Injection Pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |