CN103032227A - Split type oil injection pump - Google Patents
Split type oil injection pump Download PDFInfo
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- CN103032227A CN103032227A CN 201110300548 CN201110300548A CN103032227A CN 103032227 A CN103032227 A CN 103032227A CN 201110300548 CN201110300548 CN 201110300548 CN 201110300548 A CN201110300548 A CN 201110300548A CN 103032227 A CN103032227 A CN 103032227A
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- pump
- oil
- injection pump
- pump body
- split type
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Abstract
The invention relates to the technical field of oil injection pumps, in particular to a split type oil injection pump. The split type oil injection pump comprises a pump body, a plunger, an inlet oil return hole, an inlet oil return groove, a pressure oil valve assembly, an upper pump body and a lower pump body, wherein the plunger is arranged in the pump body which is composed of the upper pump body and the lower pump body, and the upper pump body and the lower pump body are connected through threads; the inlet oil return hole is formed in the pump body; the inlet oil return groove is formed in the plunger; the pressure oil valve assembly is arranged on the upper end of the plunger; the inlet oil return groove is in a spiral shape; and the pressure oil valve assembly is composed of a pressure oil valve and a valve seat, wherein the pressure oil valve is arranged in the valve seat. The split type oil injection pump has the advantages of simple, compact and reasonable structure, convenience and rapidity in assembly and reliability in connection, the integral strength and bearing capacity of the oil injection pump are strengthened, the service life of the oil injection pump is prolonged, the working reliability of the oil injection pump is greatly improved, and additionally, oil consumption and exhaust emission of a diesel engine are reduced. The split type oil injection pump is easy to use and popularize.
Description
Technical field
The present invention relates to a kind of technical field of Injection Pump, especially a kind of split type Injection Pump.
Background technique
Jerk fuel injection pump is the heart component of diesel engine, existing Injection Pump is generally integral structure, cause the maintenance of Injection Pump cumbersome, affect easily working efficiency, and affected the reliability of Injection Pump, shortened the working life of Injection Pump, simultaneously, improved the oil consumption of diesel engine, the easy befouling environment of the tail gas that diesel emission goes out.
Summary of the invention
For overcome existing Injection Pump inefficiency, reliability is low, working life is short, oil consumption is high and the deficiency of befouling environment, the invention provides a kind of split type Injection Pump.
The technical solution adopted for the present invention to solve the technical problems is: a kind of split type Injection Pump, comprise the pump housing, plunger, oil inlet and oil return hole, oil inlet and oil return groove, force feed valve assembly, upper pump casing and lower pump body, be provided with plunger in the pump housing, the pump housing is made of upper pump casing and lower pump body, upper pump casing and lower pump body are threaded connection, the pump housing is provided with the oil inlet and oil return hole, and plunger is provided with the oil inlet and oil return groove, and the plunger upper end is provided with the force feed valve assembly.
According to another embodiment of the invention, further comprise the oil inlet and oil return groove in the shape of a spiral.
According to another embodiment of the invention, comprise that further the force feed valve assembly is made of force feed valve and valve seat, is provided with the force feed valve in the valve seat.
The invention has the beneficial effects as follows, this split type Injection Pump is simple in structure, compact and reasonable, easy to assembly quick, connect reliably, strengthened bulk strength and the bearing capacity of Injection Pump, prolonged the working life of Injection Pump, greatly improved the functional reliability of Injection Pump, simultaneously, the discharging that has reduced the oil consumption of diesel engine and reduced tail gas is easy to use and promotes.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention.
1. pump housings among the figure, 2. plunger, 3. oil inlet and oil return hole, 4. oil inlet and oil return groove, 5. force feed valve assembly, 11. upper pump casings, 12. lower pump bodies, 51. force feed valves, 52. valve seats.
Embodiment
Structural representation of the present invention such as Fig. 1, a kind of split type Injection Pump, comprise the pump housing 1, plunger 2, oil inlet and oil return hole 3, oil inlet and oil return groove 4, force feed valve assembly 5, upper pump casing 11, lower pump body 12, force feed valve 51 and valve seat 52, be provided with plunger 2 in the pump housing 1, the pump housing 1 is made of upper pump casing 11 and lower pump body 12, upper pump casing 11 and lower pump body 12 are threaded connection, the pump housing 1 is provided with oil inlet and oil return hole 3, plunger 2 is provided with oil inlet and oil return groove 4, plunger 2 upper ends are provided with force feed valve assembly 5, oil inlet and oil return groove 4 in the shape of a spiral, force feed valve assembly 5 is made of force feed valve 51 and valve seat 52, is provided with force feed valve 51 in the valve seat 52.
During use, the pump housing 1 is made of upper pump casing 11 and lower pump body 12, upper pump casing 11 and lower pump body 12 are threaded connection, and the pump housing 1 is provided with oil inlet and oil return hole 3, and plunger 2 is provided with oil inlet and oil return groove 4, oil inlet and oil return groove 4 in the shape of a spiral, reduced the discharging of tail gas, plunger 2 upper ends are provided with force feed valve assembly 5, and force feed valve assembly 5 is comprised of force feed valve 51 and valve seat 52, force feed valve 51 is arranged in the valve seat 52, has improved bulk strength and bearing capacity.This split type Injection Pump is simple in structure, compact and reasonable, easy to assembly quick, connect reliable, bulk strength and the bearing capacity of Injection Pump have been strengthened, prolong the working life of Injection Pump, greatly improved the functional reliability of Injection Pump, simultaneously, the discharging that has reduced the oil consumption of diesel engine and reduced tail gas is easy to use and promotes.
Claims (3)
1. split type Injection Pump, comprise the pump housing (1), plunger (2), oil inlet and oil return hole (3), oil inlet and oil return groove (4), force feed valve assembly (5), upper pump casing (11) and lower pump body (12), be provided with plunger (2) in the pump housing (1), it is characterized in that, the pump housing (1) is made of upper pump casing (11) and lower pump body (12), upper pump casing (11) and lower pump body (12) are threaded connection, the pump housing (1) is provided with oil inlet and oil return hole (3), plunger (2) is provided with oil inlet and oil return groove (4), and plunger (2) upper end is provided with force feed valve assembly (5).
2. split type Injection Pump according to claim 1 is characterized in that, oil inlet and oil return groove (4) in the shape of a spiral.
3. split type Injection Pump according to claim 1 is characterized in that, force feed valve assembly (5) is made of force feed valve (51) and valve seat (52), is provided with force feed valve (51) in the valve seat (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110300548 CN103032227A (en) | 2011-10-09 | 2011-10-09 | Split type oil injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110300548 CN103032227A (en) | 2011-10-09 | 2011-10-09 | Split type oil injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103032227A true CN103032227A (en) | 2013-04-10 |
Family
ID=48019517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110300548 Pending CN103032227A (en) | 2011-10-09 | 2011-10-09 | Split type oil injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103032227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208590A (en) * | 2015-01-20 | 2017-09-26 | 株式会社电装 | High-pressure pump and its manufacture method |
-
2011
- 2011-10-09 CN CN 201110300548 patent/CN103032227A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208590A (en) * | 2015-01-20 | 2017-09-26 | 株式会社电装 | High-pressure pump and its manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130410 |