CN209261715U - A kind of single cylinder electric control pump prevents rolling wheel wear from improving structure - Google Patents
A kind of single cylinder electric control pump prevents rolling wheel wear from improving structure Download PDFInfo
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- CN209261715U CN209261715U CN201822202802.7U CN201822202802U CN209261715U CN 209261715 U CN209261715 U CN 209261715U CN 201822202802 U CN201822202802 U CN 201822202802U CN 209261715 U CN209261715 U CN 209261715U
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- guide sleeve
- electronically controlled
- controlled unit
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- sleeve component
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Abstract
A kind of single cylinder electric control pump disclosed by the utility model prevents rolling wheel wear from improving structure, including electronically controlled unit pump and guide sleeve component, electronically controlled unit pump is mounted on guide sleeve component, idler wheel body component in electronically controlled unit pump is mounted in the inner hole of guide sleeve component, oil feeding device and oil return apparatus are installed close to this one end of electronically controlled unit pump in guide sleeve component, fuel oil enters in electronically controlled unit pump from oil feeding device, idler wheel body component under actuated by cams, realized by ECU instruction to engine oil by driving electronically controlled unit pump；It offers several fuel feed holes close on this one end of the idler wheel body component in guide sleeve component, atomizer is installed in each fuel feed hole, during engine gear runs at high speed, it is lubricated between the outer peripheral surface of roller body mounting cylinder and the inner hole of guide sleeve component for driving lubricating oil to be sprayed onto idler wheel body component by these atomizers, prevents rolling wheel wear failure from occurring.
Description
Technical field
The utility model relates to one kind to prevent rolling wheel wear from improving the automatically controlled pump technical field of structure single cylinder, in particular to a kind of
Prevent rolling wheel wear from improving structure applied to the single cylinder electric control pump in fuel injection system.
Background technique
Single cylinder diesel engine fuel oil sprays single cylinder electric control pump, including electronically controlled unit pump component, body component of holding out, guide sleeve
Component, solenoid valve, oil feeding device, oil return apparatus etc..Single cylinder electric control pump is horizontally installed in single cylinder diesel by guide sleeve component
In gear chamber, single cylinder diesel engine cam shaft drives the movement of single cylinder electric control pump idler wheel body component, and the plunger in single cylinder electric control pump passes through
The driving of idler wheel body component will enter the compression of the fuel oil in plunger cavity by oil feeding device, and solenoid valve is controlled according to ECU in electronically controlled unit pump
Electric control pump control valve core is closed in system instruction, the fuel oil compressed in plunger cavity is sprayed into cylinder, extra fuel oil passes through
Oil return apparatus is continued back in fuel oil box and is cooled down.
The single cylinder electric control pump majority for being currently used for single cylinder diesel belongs to splashing lubricating system, and machine oil liquid level is low, monoblock pump
The machine oil fog lubrication that roller body drives machine oil to be formed by the rotation of diesel engine high-speed gear, lubricant effect is poor, and single cylinder is automatically controlled
It is higher to pump injection pressure, pumps end pressure up to 100MPa or more, therefore is easy to not enough lead to list in single cylinder diesel because lubricating
The rolling wheel wear of body pump.
Utility model content
Technical problem to be solved in the utility model not enough leads to idler wheel for the oil lubricating in existing diesel
Abrasion, and then leads to cam wear problem, and providing a kind of single cylinder electric control pump prevents rolling wheel wear from improving structure.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of single cylinder electric control pump prevents rolling wheel wear from improving structure, including electronically controlled unit pump and guide sleeve component, the electricity
Control monoblock pump be mounted on the guide sleeve component by fastener, the idler wheel body component in electronically controlled unit pump by guide pin with
Flexible collar is mounted in the inner hole of the guide sleeve component, the outer peripheral surface of the roller body mounting cylinder in the idler wheel body component with
It is slidably matched between the inner hole of the guide sleeve component；It is equipped in the guide sleeve component close to this one end of electronically controlled unit pump
Oil feeding device and oil return apparatus, fuel oil enter in electronically controlled unit pump from oil feeding device, and idler wheel body component drives under actuated by cams
Dynamic electronically controlled unit pump is realized by ECU instruction to engine oil；It is characterized in that, in the guide sleeve component close to the rolling
Several fuel feed holes are offered on this one end of sprocket body members, atomizer, engine gear high speed are installed in each fuel feed hole
In operation process, lubricating oil is driven to be sprayed onto the outer peripheral surface of the roller body mounting cylinder in the idler wheel body component by these atomizers
It is lubricated between the inner hole of the guide sleeve component.
In a preferred embodiment of the utility model, shoe cream room is provided in the fuel feed hole.
Due to using technical solution as above, the utility model passes through on the guide sleeve component that roller body outer circle is oriented to
Increase several fuel feed holes, these fuel feed holes can assemble lubricating oil, be sprayed onto the idler wheel in the idler wheel body component by atomizer
It is lubricated between the outer peripheral surface of body mounting cylinder and the inner hole of the guide sleeve component, roller body mounting cylinder is effectively prevent to wear.
Detailed description of the invention
Assembling schematic diagram of the Fig. 1 between the utility model electronically controlled unit pump and guide sleeve component.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the partial cross sectional views of Fig. 1.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Referring to Fig. 1 to Fig. 3, a kind of single cylinder electric control pump provided in figure prevents rolling wheel wear from improving structure, including automatically controlled list
Body pump 110 and guide sleeve component 100, electronically controlled unit pump 110 are solid by studs 120, locking nut 130, spring washer 140
It is scheduled on guide sleeve component 100.
Idler wheel body component 150 in electronically controlled unit pump 110 is mounted on guide sleeve by guide pin 160 and flexible collar 170
In the inner hole 101 of component 100, outer peripheral surface and the guide sleeve component 100 of the roller body mounting cylinder 151 in idler wheel body component 150
It is slidably matched between inner hole 101.Guide pin 160 is mounted on guide sleeve component 100 by flexible collar 170, and inner end is embedded into
In the guide groove 151a of roller body mounting cylinder 151, it play the guiding role to idler wheel body component 150.
Oil feeding device 180 and oil return apparatus are installed close to this one end of electronically controlled unit pump 110 in guide sleeve component 150
190, fuel oil enters in electronically controlled unit pump 110 from oil feeding device 180, and idler wheel body component 150 drives in cam (not shown)
Under dynamic, driving electronically controlled unit pump 110 is realized by ECU instruction to engine oil.
In general, the lubricating oil liquid level in single cylinder diesel is minimum lower than the idler wheel body component 150 of electronically controlled unit pump 110
Place, cannot carry out reliable and effective oil lubricating to idler wheel body component 150.It is easy to not enough cause in single cylinder diesel because of lubrication
The idler wheel body component 150 of electronically controlled unit pump 110 is worn.
The characteristics of the utility model, is, offers on this one end of guide sleeve component 100 close to idler wheel body component 150
Several fuel feed hole a are equipped with atomizer (not shown) in each fuel feed hole a.Idler wheel body component 150 is by cam (in figure
Be not shown) driving moved back and forth in the inner hole 101 of guide sleeve component 100, during engine gear runs at high speed, drive profit
Lubricating oil is sprayed onto the outer peripheral surface and guide sleeve component 100 of the roller body mounting cylinder 151 in idler wheel body component 150 by these atomizers
Inner hole 101 between be lubricated, reduce roller body mounting cylinder 151 abrasion.
Another feature of the utility model is to be provided with shoe cream room in fuel feed hole a, does not operate drive lubrication in gear
Before oil sprays into fog lubrication by atomizer, also mist of oil can be sprayed by atomizer using the lubricating oil of itself storage, effectively
In 150 reciprocatory movement of idler wheel body component, to the outer peripheral surface of the roller body mounting cylinder 151 in idler wheel body component 150 with lead
It is lubricated supplement between the inner hole 101 of set component 100, to play the role of reinforcing lubricating roller body component 150, prevents from rolling
Foot wheel abrasion failure occurs.
Claims (2)
1. a kind of single cylinder electric control pump prevents rolling wheel wear from improving structure, including electronically controlled unit pump and guide sleeve component, described automatically controlled
Monoblock pump is mounted on the guide sleeve component by fastener, and the idler wheel body component in electronically controlled unit pump passes through guide pin and bullet
Property clip is mounted in the inner hole of the guide sleeve component, the outer peripheral surface of the roller body mounting cylinder in the idler wheel body component and institute
It states and is slidably matched between the inner hole of guide sleeve component；The guide sleeve component close to this one end of electronically controlled unit pump be equipped with into
Oily device and oil return apparatus, fuel oil enter in electronically controlled unit pump from oil feeding device, and idler wheel body component is under actuated by cams, driving
Electronically controlled unit pump is realized by ECU instruction to engine oil；It is characterized in that, in the guide sleeve component close to the idler wheel
Several fuel feed holes are offered on this one end of body component, atomizer is installed in each fuel feed hole, engine gear high speed is transported
Turn during, drive lubricating oil be sprayed by these atomizers the roller body mounting cylinder in the idler wheel body component outer peripheral surface and
It is lubricated between the inner hole of the guide sleeve component.
2. a kind of single cylinder electric control pump as described in claim 1 prevents rolling wheel wear from improving structure, which is characterized in that it is described into
Shoe cream room is provided in oilhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822202802.7U CN209261715U (en) | 2018-12-26 | 2018-12-26 | A kind of single cylinder electric control pump prevents rolling wheel wear from improving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822202802.7U CN209261715U (en) | 2018-12-26 | 2018-12-26 | A kind of single cylinder electric control pump prevents rolling wheel wear from improving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209261715U true CN209261715U (en) | 2019-08-16 |
Family
ID=67561484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822202802.7U Active CN209261715U (en) | 2018-12-26 | 2018-12-26 | A kind of single cylinder electric control pump prevents rolling wheel wear from improving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209261715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488504A (en) * | 2018-12-26 | 2019-03-19 | 南岳电控（衡阳）工业技术股份有限公司 | A kind of single cylinder electric control pump prevents rolling wheel wear from improving structure |
| CN111102114A (en) * | 2019-12-31 | 2020-05-05 | 南岳电控（衡阳）工业技术股份有限公司 | Improved structure for preventing abrasion of roller of single-cylinder electric control pump |
-
2018
- 2018-12-26 CN CN201822202802.7U patent/CN209261715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488504A (en) * | 2018-12-26 | 2019-03-19 | 南岳电控（衡阳）工业技术股份有限公司 | A kind of single cylinder electric control pump prevents rolling wheel wear from improving structure |
| CN111102114A (en) * | 2019-12-31 | 2020-05-05 | 南岳电控（衡阳）工业技术股份有限公司 | Improved structure for preventing abrasion of roller of single-cylinder electric control pump |
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