CN203515900U - Fuel injection pump - Google Patents
Fuel injection pump Download PDFInfo
- Publication number
- CN203515900U CN203515900U CN201320561311.6U CN201320561311U CN203515900U CN 203515900 U CN203515900 U CN 203515900U CN 201320561311 U CN201320561311 U CN 201320561311U CN 203515900 U CN203515900 U CN 203515900U
- Authority
- CN
- China
- Prior art keywords
- oil
- seat
- injection pump
- spring
- control sleeve
- 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
Images
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a fuel injection pump which comprises an oil inlet base and an oil outlet base. The oil inlet base is connected with the oil outlet base through a pump body, the pump body is further connected with a plunger, the plunger is coaxially arranged in a pressure cavity, an air inlet pipe of the oil inlet base is communicated with the pressure cavity, the oil outlet base is arranged at the position of an outlet of the pressure cavity, a plunger body is sleeved with an oil quantity control sleeve, one end of the oil quantity control sleeve is movably arranged on a tappet body, a plunger spring is arranged between the oil quantity control sleeve and the tappet body, the oil outlet base comprises an oil outlet control valve, and a pressure adjusting structure is arranged between the oil outlet control valve and an oil outlet. The fuel injection pump is simple in structure, convenient to operate, dismantle and wash and favorable for prolonging service life, and reliability of the fuel injection pump is improved.
Description
Technical field
The utility model relates to fueling injection equipment field, particularly relates to a kind of Injection Pump.
Background technique
Injection Pump is an important component part on diesel engine of vehicle.Injection pump assembly is normally installed together by parts such as Injection Pump, speed regulators the integral body forming.
Wherein, speed regulator is low-speed running and the restriction to maximum speed that ensures diesel engine, guarantees to keep between emitted dose and rotating speed the parts of certain relation.
The Injection Pump complex structure of prior art, pressure regulation is inconvenient, and oil spout effect is difficult to be controlled.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of Injection Pump, easy to operate, simple in structure, can accurately control oil pump capacity and fuel-displaced effect.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of Injection Pump is provided, comprises: oil-feed seat and oil discharging seat, between described oil-feed seat and oil discharging seat, by a pump housing, be connected, and on the described pump housing, be also connected with a plunger;
Described plunger is with being located in a pressure cavity, and the inflow pipeline of described oil-feed seat is communicated with described pressure cavity, and described oil discharging seat is located at pressure cavity one outlet port,
On described plunger body, be arranged with a fuel control sleeve, and one end activity of fuel control sleeve is located at one and holds out in body, described fuel control sleeve and hold out and be provided with piston spring between body;
Described oil discharging seat comprises that one goes out oil control valve, described in go out between oil control valve and oil outlet to be provided with pressure adjusting structure.
In preferred embodiment of the utility model, described in hold out in body and be provided with a spring seat, described piston spring one end is connected with spring seat, the other end is connected with fuel control sleeve by a spring supporting seat.
In preferred embodiment of the utility model, described fuel control sleeve is provided with a controlling rod.
In preferred embodiment of the utility model, pressure adjusting structure comprises a pressure adjusting spring, described pressure adjusting spring one end with go out oil control valve and be connected, the other end is provided with regulator board.
In preferred embodiment of the utility model, filler opening and the oil outlet of described oil-feed seat are equipped with protective hat.
The beneficial effects of the utility model are: the utility model Injection Pump is simple in structure, easy to operate, and it is convenient to dismantle, and easy to clean contributes to increase the service life, and improve the reliability of Injection Pump.
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 according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of the utility model Injection Pump one preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, oil-feed seat, 2, oil discharging seat, 3, plunger, 4, pressure cavity, 5, fuel control sleeve, 6, the body of holding out, 7, piston spring, 8, controlling rod, 9, spring seat, 10, go out oil control valve, 11, pressure adjusting spring, 12, regulator board, 13, protective hat, 14, the pump housing.
Embodiment
Below the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Embodiment based 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:
An Injection Pump, comprising: oil-feed seat 1 and oil discharging seat 2, between described oil-feed seat 1 and oil discharging seat 2, by a pump housing 14, be connected, and on the described pump housing 14, be also connected with a plunger 3;
Described plunger 3 is with being located in a pressure cavity 4, and the inflow pipeline of described oil-feed seat 1 is communicated with described pressure cavity 4, and described oil discharging seat 2 is located at pressure cavity 4 one outlet ports.
Inflow pipeline is sent fuel oil into pressure cavity 4, makes in pressure cavity 4 and has been full of fuel oil, then under the effect of plunger 3, fuel oil is sent in oil discharging seat 2 from the outlet of pressure cavity 4.
On described plunger 3 bodies, be arranged with a fuel control sleeve 5, and one end activity of fuel control sleeve 5 is located at one and holds out in body 6, described fuel control sleeve 5 and hold out and be provided with piston spring 7 between body 6;
Described fuel control sleeve 5 is provided with a controlling rod 8.In the described body 6 of holding out, be provided with a spring seat 9, described piston spring 7 one end are connected with spring seat 9, and the other end is connected with fuel control sleeve 5 by a spring supporting seat.
By size and the oil spout frequency of controlling rod 8 adjusting oil mass, fuel control sleeve 5 can rotate freely in the body 6 of holding out simultaneously, in order to control oil spout angle, simple in structure, simple operation.
Described oil discharging seat 2 comprises that one goes out oil control valve 10, described in go out between oil control valve 10 and oil outlet to be provided with pressure adjusting structure.
Pressure adjusting structure comprises a pressure adjusting spring 11, described pressure adjusting spring 11 one end with go out oil control valve 10 and be connected, the other end is provided with regulator board 12.Pressure in pressure cavity 4 is greater than the pressure of pressure adjusting spring 11, will go out oil control valve 10 and eject, and valve body is opened, and gets final product commencement of fuel injection.
The filler opening of described oil-feed seat 1 and oil outlet are equipped with protective hat 13.Protective hat 13, in order to protect the not contaminated thing of filler opening and oil outlet to pollute, improves the turbidity test of fuel oil.
The utility model Injection Pump is simple in structure, easy to operate, and it is convenient to dismantle, and easy to clean contributes to increase the service life, and improves the reliability of Injection Pump.
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 (5)
1. an Injection Pump, is characterized in that, comprising: oil-feed seat and oil discharging seat, between described oil-feed seat and oil discharging seat, by a pump housing, be connected, and on the described pump housing, be also connected with a plunger;
Described plunger is with being located in a pressure cavity, and the inflow pipeline of described oil-feed seat is communicated with described pressure cavity, and described oil discharging seat is located at pressure cavity one outlet port,
On described plunger body, be arranged with a fuel control sleeve, and one end activity of fuel control sleeve is located at one and holds out in body, described fuel control sleeve and hold out and be provided with piston spring between body;
Described oil discharging seat comprises that one goes out oil control valve, described in go out between oil control valve and oil outlet to be provided with pressure adjusting structure.
2. Injection Pump according to claim 1, is characterized in that, described in hold out in body and be provided with a spring seat, described piston spring one end is connected with spring seat, the other end is connected with fuel control sleeve by a spring supporting seat.
3. Injection Pump according to claim 1, is characterized in that, described fuel control sleeve is provided with a controlling rod.
4. Injection Pump according to claim 1, is characterized in that, pressure adjusting structure comprises a pressure adjusting spring, described pressure adjusting spring one end with go out oil control valve and be connected, the other end is provided with regulator board.
5. Injection Pump according to claim 1, is characterized in that, filler opening and the oil outlet of described oil-feed seat are equipped with protective hat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561311.6U CN203515900U (en) | 2013-09-11 | 2013-09-11 | Fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561311.6U CN203515900U (en) | 2013-09-11 | 2013-09-11 | Fuel injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515900U true CN203515900U (en) | 2014-04-02 |
Family
ID=50374841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320561311.6U Expired - Fee Related CN203515900U (en) | 2013-09-11 | 2013-09-11 | Fuel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515900U (en) |
-
2013
- 2013-09-11 CN CN201320561311.6U patent/CN203515900U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204985747U (en) | Residual voltage relief valve | |
| CN203515900U (en) | Fuel injection pump | |
| CN103452724A (en) | Fuel injection pump | |
| CN204592827U (en) | A kind of grease pressure regulator valve | |
| CN204573535U (en) | A kind of for production line automatic fine fueling injection equipment | |
| CN205217459U (en) | Aircraft engine ground belt cleaning device | |
| CN103765064A (en) | Check valve and hydrodynamic force energy-saving water pump | |
| CN203515897U (en) | Long spray nozzle type oil sprayer | |
| CN202073675U (en) | Plunger sleeve improvement structure | |
| CN202707316U (en) | Oil supply device assembly for double-fuel outboard machine | |
| CN201593084U (en) | Wool oiling device | |
| CN202732183U (en) | Improved-structure diesel engine oil supply system | |
| CN205217460U (en) | Aircraft engine ground cleaning machine controlling means | |
| CN205244799U (en) | Automatic oiling machine | |
| CN203500592U (en) | Pressure regulating valve for ship lubricating oil system | |
| CN103573509A (en) | Structure improved diesel engine fuel supplying system | |
| CN204003134U (en) | Gas engine cylinder cap | |
| CN203380432U (en) | Saw blade cooling, lubricating and spraying system for circular saw machine | |
| CN202861396U (en) | Feed system of forming machine | |
| CN203939612U (en) | For the constant temperature hydraulic system of electrical control oil spray pump flow test stand | |
| CN202926554U (en) | Constant oil level retaining device of air compressor | |
| CN204901289U (en) | A put oily mechanism for truckle | |
| CN203624290U (en) | Can long-term storage petrol and diesel's oil depot system | |
| CN102767447B (en) | Dual-fuel outboard machine oil supplying device system | |
| CN203948195U (en) | A kind of Carburetors that use two kind fuel |
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: 20140402 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |