CN207500030U - A kind of single cylinder fuel injection pump - Google Patents
A kind of single cylinder fuel injection pump Download PDFInfo
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- CN207500030U CN207500030U CN201721551437.XU CN201721551437U CN207500030U CN 207500030 U CN207500030 U CN 207500030U CN 201721551437 U CN201721551437 U CN 201721551437U CN 207500030 U CN207500030 U CN 207500030U
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- single cylinder
- injection pump
- fuel injection
- cylinder fuel
- flowline
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Abstract
The utility model discloses a kind of single cylinder fuel injection pumps, including single cylinder fuel injection pump main body, the single cylinder fuel injection pump body side is provided with inlet connector, oil inlet pipe is provided on the inlet connector, downtake pipe is additionally provided on the inlet connector, the outlet side of the downtake pipe is set up, the oil inlet pipe offside is provided with flowline connection to subsea, the flowline connection to subsea is connected with the single cylinder fuel injection pump main body, flowline is provided on the flowline connection to subsea, the flowline is connect with the fuel tank, second exhaust pipe is provided on the flowline connection to subsea, the outlet side of the second exhaust pipe is set up, the second exhaust pipe is located at the flowline connection to subsea far from the single cylinder fuel injection pump body side.The advantages of the utility model, which has, can be such that single cylinder fuel injection pump normally and efficiently operates, and can enter single cylinder fuel injection pump main body to avoid air, extension single cylinder fuel injection pump service life.
Description
Technical field
The utility model is related to engine arts, and in particular to a kind of single cylinder fuel injection pump.
Background technology
Injection pump is an important component on diesel engine of vehicle.Injection pump assembly is typically by injection pump, speed governing
The components such as device are installed together an entirety of composition.Wherein governor is to ensure the low-speed running of diesel engine and to maximum speed
Limitation, it is ensured that the component of certain relationship is kept between emitted dose and rotating speed.And injection pump is then the most important component of diesel engine,
It is considered as " heart " component of diesel engine, it, which once goes wrong, can make entire diesel engine work not normal.
Present diesel injection pump interior conduit fails reasonably to design, cause to there are problems that in use some from
And service efficiency and the service life of injection pump are influenced, wherein after stopping using when reusing in oil inlet pipe and injection pump main body
There are a large amount of air, and the difficulty in starting of total can be caused to influence production efficiency so simultaneously has very the service life of injection pump
Big influence.
Existing the relevant technologies CN2020124280, the solution of proposition can alleviate the phenomenon, but described in it
Gas of the inflow pipeline in injection pump side and injection pump main body can not realize preferable discharge.
Utility model content
In view of the above shortcomings of the prior art, technical problem to be solved in the utility model is：How a kind of energy is provided
Enough single cylinder fuel injection pumps for discharging the gas remained in inside injection pump.
In order to solve the above-mentioned technical problem, the utility model employs following technical solution：
A kind of single cylinder fuel injection pump, including single cylinder fuel injection pump main body, the single cylinder fuel injection pump body side is provided with oil inlet pipe
Connector is provided with oil inlet pipe on the inlet connector, and the oil inlet pipe is connect with fuel tank, is also set up on the inlet connector
There is downtake pipe, the outlet side of the downtake pipe is set up, and the oil inlet pipe offside is provided with flowline connection to subsea,
The flowline connection to subsea is connected with the single cylinder fuel injection pump main body, and flowline is provided on the flowline, and the flowline connects
Head is connect with the fuel tank, second exhaust pipe is provided on the flowline connection to subsea, the outlet side of the second exhaust pipe is upward
Setting, the second exhaust pipe are located at the flowline connection to subsea far from the single cylinder fuel injection pump body side.
In the technical program, on the basis of original single cylinder fuel injection pump, there is provided flowline connection to subsea, flowline and second rows
Stomata, in this way when oil inlet, diesel oil can pass through passes through downtake pipe by oil inlet pipe and inlet connector by gas
Discharge, is then discharged gas by second row stomata by single cylinder fuel injection pump main body, flowline connection to subsea and flowline, Ran Houjing
It crosses flowline and stays oil return box, the gas in flowline can be discharged but also save fuel, whole flow process can be completely single cylinder
Remaining a large amount of gas discharges, do not interfere with startup, reduce the damage to single cylinder fuel injection pump main body inside injection pump main body.
As an optimization, it is provided with flowmeter on the oil inlet pipe.
In this way, can by detecting the change in flow situation of the diesel oil that single cylinder fuel injection pump main body is discharged into inside fuel tank, from
And the quality of diesel oil is detected, and when diesel oil flow velocity is smaller, it was demonstrated that it is more containing impurity in diesel oil, it needs to replace diesel oil in time, keep away
Exempt from the quality and service life of influence single cylinder fuel injection pump main body.
As an optimization, it is provided with flowmeter on the flowline.
In this way, the flow velocity through through flowline diesel oil can be detected, and then the quality of diesel oil is judged, preferably so that single cylinder
Injection pump acts.
As an optimization, the oil inlet pipe is provided with the first filter screen with the fuel tank connector junction.
In this way, the diesel oil for flowing into single cylinder fuel injection pump main body can be filtered further, oil is ensured so that single cylinder fuel injection pump
Operation that can be normally and efficiently, prolongs the service life.
As an optimization, the flowline is provided with the second filter screen with the flowline connection to subsea junction.
The diesel oil that single cylinder fuel injection pump main body flows into fuel tank is flowed out in exhaust process in this way, can further filter, is kept away
Exempt from impurity and enter fuel tank, influence the normal operation of follow-up single cylinder fuel injection pump.
As an optimization, the inlet connector is connect with the single cylinder fuel injection pump body seal.
In this way, ensureing that diesel oil can flow into single cylinder fuel injection pump main body, the wasting of resources is avoided, while avoid air pollution.
As an optimization, the flowline connection to subsea is connect with the single cylinder fuel injection pump body seal.
In this way, being tightly connected, single cylinder fuel injection pump main body can be gone out to avoid diesel stream, causes permeability phenomenon, when work obtains
The space of one sealing can preferably improve working efficiency.
In conclusion the utility model have single cylinder fuel injection pump can be made normally and efficiently to operate, and can to avoid air into
The advantages of entering single cylinder fuel injection pump main body, extending single cylinder fuel injection pump service life.
Description of the drawings
Fig. 1 is the structure diagram of the single cylinder fuel injection pump described in specific embodiment of the present invention.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
When it is implemented, as shown in Figure 1, a kind of single cylinder fuel injection pump, including single cylinder fuel injection pump main body 1, the single cylinder oil spout
1 side of pump main body is provided with inlet connector 2, and oil inlet pipe 21, the oil inlet pipe 21 and oil are provided on the inlet connector 2
Case 8 connects, and downtake pipe 3 is additionally provided on the inlet connector 2, and the outlet side of the downtake pipe 3 is set up,
21 offside of oil inlet pipe is provided with flowline connection to subsea 4, the flowline connection to subsea 4 is connected with the single cylinder fuel injection pump main body 1,
Flowline 41 is provided on the flowline connection to subsea 4, the flowline 41 is connect with the fuel tank 8, on the flowline connection to subsea 4
Second exhaust pipe 5 is provided with, the outlet side of the second exhaust pipe 5 is set up, and the second exhaust pipe 5 is located at described fuel-displaced
Pipe fitting 4 is far from 1 side of single cylinder fuel injection pump main body.
In this way, on the basis of original single cylinder fuel injection pump, there is provided flowline connection to subsea, flowline and second row stomata, this
When oil inlet, diesel oil can pass through is discharged gas by downtake pipe by oil inlet pipe and inlet connector sample, so
Gas is discharged by second row stomata by single cylinder fuel injection pump main body, flowline connection to subsea and flowline afterwards, then by fuel-displaced
Pipe stays oil return box, can discharge the gas in flowline but also save fuel, whole flow process can be completely single cylinder fuel injection pump
Remaining a large amount of gas discharges, do not interfere with startup, reduce the damage to single cylinder fuel injection pump main body inside main body.
In present embodiment, flowmeter 6 is provided on the oil inlet pipe 21.
In this way, can by detecting the change in flow situation of the diesel oil that single cylinder fuel injection pump main body is discharged into inside fuel tank, from
And the quality of diesel oil is detected, and when diesel oil flow velocity is smaller, it was demonstrated that it is more containing impurity in diesel oil, it needs to replace diesel oil in time, keep away
Exempt from the quality and service life of influence single cylinder fuel injection pump main body.
In present embodiment, flowmeter 7 is provided on the flowline 41.
In this way, the flow velocity through through flowline diesel oil can be detected, and then the quality of diesel oil is judged, preferably so that single cylinder
Injection pump acts.
In present embodiment, the oil inlet pipe 21 is provided with the first filter screen with 8 joint of fuel tank.
In this way, the diesel oil for flowing into single cylinder fuel injection pump main body can be filtered further, oil is ensured so that single cylinder fuel injection pump
Operation that can be normally and efficiently, prolongs the service life.
In present embodiment, the flowline 41 is provided with the second filter screen with 4 junction of flowline connection to subsea.
The diesel oil that single cylinder fuel injection pump main body flows into fuel tank is flowed out in exhaust process in this way, can further filter, is kept away
Exempt from impurity and enter fuel tank, influence the normal operation of follow-up single cylinder fuel injection pump.
In present embodiment, the inlet connector 4 is tightly connected with the single cylinder fuel injection pump main body 1.
In this way, ensureing that diesel oil can flow into single cylinder fuel injection pump main body, the wasting of resources is avoided, while avoid air pollution.
In present embodiment, the flowline connection to subsea 4 is tightly connected with the single cylinder fuel injection pump main body 1.
In this way, being tightly connected, single cylinder fuel injection pump main body can be gone out to avoid diesel stream, causes permeability phenomenon, when work obtains
The space of one sealing can preferably improve working efficiency.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that；
It can still modify to the technical solution recorded in previous embodiment either to which part or all technical features
Carry out equivalent replacement；And these modifications or replacement, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution should all cover in the claim of the utility model and the range of specification.
Claims (7)
1. a kind of single cylinder fuel injection pump, including single cylinder fuel injection pump main body, the single cylinder fuel injection pump body side is provided with oil inlet pipe and connects
Head is provided with oil inlet pipe on the inlet connector, and the oil inlet pipe is connect with fuel tank, is additionally provided on the inlet connector
Downtake pipe, the outlet side of the downtake pipe are set up, which is characterized in that are provided with out in the oil inlet pipe offside
Oil connection, the flowline connection to subsea are connected with the single cylinder fuel injection pump main body, and flowline is provided on the flowline, described
Flowline connection to subsea is connect with the fuel tank, and second exhaust pipe is provided on the flowline connection to subsea, and the second exhaust pipe goes out
Gas end is set up, and the second exhaust pipe is located at the flowline connection to subsea far from the single cylinder fuel injection pump body side.
2. a kind of single cylinder fuel injection pump according to claim 1, which is characterized in that be provided with flowmeter on the oil inlet pipe.
3. a kind of single cylinder fuel injection pump according to claim 1, which is characterized in that be provided with flowmeter on the flowline.
4. a kind of single cylinder fuel injection pump according to claim 1, which is characterized in that the oil inlet pipe connects with the fuel tank connector
The place of connecing is provided with the first filter screen.
5. a kind of single cylinder fuel injection pump according to claim 1, which is characterized in that the flowline and the flowline connection to subsea
Junction is provided with the second filter screen.
6. a kind of single cylinder fuel injection pump according to claim 1, which is characterized in that the inlet connector is sprayed with the single cylinder
Oil pump body is tightly connected.
7. a kind of single cylinder fuel injection pump according to claim 1, which is characterized in that the flowline connection to subsea is sprayed with the single cylinder
Oil pump body is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551437.XU CN207500030U (en) | 2017-11-17 | 2017-11-17 | A kind of single cylinder fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551437.XU CN207500030U (en) | 2017-11-17 | 2017-11-17 | A kind of single cylinder fuel injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500030U true CN207500030U (en) | 2018-06-15 |
Family
ID=62504907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721551437.XU Active CN207500030U (en) | 2017-11-17 | 2017-11-17 | A kind of single cylinder fuel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500030U (en) |
-
2017
- 2017-11-17 CN CN201721551437.XU patent/CN207500030U/en active Active
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