CN201377426Y - Novel combined oil pump with oil-gas separating function and circular inside-engaged gear - Google Patents
Novel combined oil pump with oil-gas separating function and circular inside-engaged gear Download PDFInfo
- Publication number
- CN201377426Y CN201377426Y CN200920042102U CN200920042102U CN201377426Y CN 201377426 Y CN201377426 Y CN 201377426Y CN 200920042102 U CN200920042102 U CN 200920042102U CN 200920042102 U CN200920042102 U CN 200920042102U CN 201377426 Y CN201377426 Y CN 201377426Y
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- oil
- pump
- gas separation
- chamber
- eccentric body
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Abstract
The utility model relates to a novel combined oil pump with oil-gas separating function and circular inside-engaged gear, which comprises a pump body (1); an oil suction port (1.1) and a one-way valve (12) of the oil suction port are arranged at the bottom of the pump body (1); an oil inlet cavity (1.2) is formed at the lower part of the pump body (1); an oil inlet chamber (1.3), an eccentric body (4), an oil outlet chamber (1.4) and an oil-gas separating chamber (14) are arranged in the middle of the pump body (1); a combined pump shaft (6) is arranged in the eccentric body (4); a circular internal and external gear group (5) is mounted on the combined pump shaft (6); an oil inlet of the eccentric body (4.1) and an oil outlet of the eccentric body (4.2) are formed on the casing wall of the eccentric body (4); an oil outlet passage (1.5) is formed at the inner upper part of the pump body (1); a pump cover (13) is arranged at the top of the pump body (1); an oil outlet (13.1) is formed at the top of the pump cover (13); an oil-gas separating pipe (8) is arranged in the oil outlet passage (1.5); an oil returning flint valve (15) is arranged at the lower part of the oil-gas separating chamber (14); and an air bleeding tube (16) and a bleeding flint valve (17) are arranged at the top of the pump cover (13) at the upper part of the oil-gas separating chamber (14). The novel combined oil pump has the advantages of strong capability of oil-gas separation and more compact structure.
Description
(1) technical field
The utility model relates to a kind of light-weight fuel oil transfer pump---the novel combination oil pump of oil-gas separation circular arc type inside engaged gear.Belong to fuel oil conveying equipment technical field.
(2) background technique
In prior art, the combination oil pump is one of core component of the fuel oil conveying equipment that generally adopts of each gas station.On the low side as the combination oil pump Oil-gas Separation ability of using before.Original structure adopts gas-liquid separation chamber's volume enough big, make flow velocity reduce, lean on the difference of liquids and gases proportion and carry out gas, liquid separation, gas is discharged through extruding pipeline, liquid is sucked into impeller through the backflow valve opening again to be mixed with gas again, successively the circulation, the gas in suction line by emptying till, at this moment pump reaches proper functioning with regard to having finished the self-priming process.This structure is to adopt the gas be mixed in fluid natural separation in passage.In addition, pipeline all designs outside the pump housing, and noise and volume are bigger than normal, causes the instability of measuring and the complete machine structure complexity of arranging.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and the novel combination oil pump of oil-gas separation circular arc type inside engaged gear that a kind of Oil-gas Separation ability is strong, overall structure is compacter is provided.
The purpose of this utility model is achieved in that the novel combination oil pump of a kind of oil-gas separation circular arc type inside engaged gear, comprise the pump housing, described pump housing bottom is provided with inlet port, inlet port is provided with an inlet port one-way valve, the bottom is provided with an oil suction chamber in the pump housing, the outlet of inlet port one-way valve is arranged in the described oil suction chamber, be provided with an inlet space in the middle of in the described pump housing, one eccentric body, one goes out a grease chamber and an Oil-gas Separation chamber, be provided with an oil-feed filter screen in the described inlet space, the import of described oil-feed filter screen one side is connected with oil suction chamber, the oil-feed filter screen the other end is provided with oil-feed filter screen side cover, be provided with a combination pump shaft in the described eccentric body, device has the inside and outside gear train of a circular arc type on the described combination pump shaft, described eccentric body shell wall is provided with an eccentric body filler opening and an eccentric body oil outlet, the eccentric body filler opening is connected with described inlet space, the eccentric body oil outlet goes out the grease chamber and is connected with described, described pump housing internal upper part is provided with an oil discharge passage, one end of described oil discharge passage is provided with a fairing cap, the filler opening of described oil discharge passage goes out the grease chamber and is connected with described, described pump housing top is provided with a pump cover, described pump cover top is provided with an oil outlet, the filler opening of this oil outlet is connected with the other end of described oil discharge passage, be provided with an Oil-gas Separation pipe in the described oil discharge passage, the import of described Oil-gas Separation pipe is connected with described oil discharge passage, the outlet of Oil-gas Separation pipe is connected with described Oil-gas Separation chamber, bottom, described Oil-gas Separation chamber is provided with an oil return float valve, described oil return float valve outlet is connected with the oil suction chamber of described pump housing bottom, the pump cover top of top, described Oil-gas Separation chamber is provided with an exhaust tube, exhaust tube is provided with a venting float valve, described venting float valve places described Oil-gas Separation indoor, also be provided with pressure regulator valve on the described pump housing, described pressure regulator valve goes out the grease chamber and links to each other with described.
The Oil-gas Separation principle:
The utility model adopts the stronger material centrifugal principle in rotary course of Oil-gas Separation ability, the pressure oil of oil pump outlet is in the pipeline high speed rotation of specific long-channel, because the proportion of gas is lower than liquid, gas in the liquid is in the center of passage, the gentle mixture of oil enters the Oil-gas Separation chamber through the Oil-gas Separation pipe, and by the control of oil return float valve, the gas excavationg pump is external, again by the inlet port of income oil pump, the liquid that does not contain gas enters the oil pump oil outlet to liquid.
Compared with prior art, the utlity model has following advantage:
1, adopted the gas oil separation structure of centrifugal principle and internal duct directly to design in the pump housing, the Oil-gas Separation ability of oil pump is strengthened greatly, the overall structure of oil pump is compacter, and noise and volume are littler.
2, the pump housing, interior external gear and pump cover adopt the HT200 material, can realize reducing the fault of oil pump.The discharge capacity of Oil-gas Separation crescent gear pump: 0.1058L/ changes.
3, adopt the HT200 material, have strong shock-absorbing performance, can reduce the oil pump operating noise effectively, make the running of combination oil pump steadily.
4, filter screen: the precision of filter screen adopts 300 order metal screens capable of washing, makes fluid cleaning, environmental protection through the combination oil pump.
(4) description of drawings
Fig. 1 is the schematic diagram of the novel combination oil pump of the utility model oil-gas separation circular arc type inside engaged gear.
Among the figure: the pump housing 1, oil-feed filter screen side cover 2, oil-feed filter screen 3, eccentric body 4, the inside and outside gear train 5 of circular arc type, combination pump shaft 6, pressure regulator valve 7, Oil-gas Separation pipe 8, fairing cap 9, venting float valve float 10, oil return float valve float 11, inlet port one-way valve 12, pump cover 13, Oil-gas Separation chamber 14, oil return float valve 15, exhaust tube 16, venting float valve 17, inlet port 1.1, oil suction chamber 1.2, inlet space 1.3, go out grease chamber 1.4, oil discharge passage 1.5, eccentric body filler opening 4.1, eccentric body oil outlet 4.2, oil return float valve float lever 11.1, oil outlet 13.1, venting float valve connecting rod 17.1.
(5) embodiment
Referring to Fig. 1, the novel combination oil pump of a kind of oil-gas separation circular arc type inside engaged gear, comprise the pump housing 1, the described pump housing 1 bottom is provided with inlet port 1.1, inlet port 1.1 is provided with an inlet port one-way valve 12, the bottom is provided with an oil suction chamber 1.2 in the pump housing 1,12 outlets of inlet port one-way valve are arranged in the described oil suction chamber 1.2, be provided with an inlet space 1.3 in the middle of in the described pump housing 1, one eccentric body 4, one goes out a grease chamber 1.4 and an Oil-gas Separation chamber 14, be provided with an oil-feed filter screen 3 in the described inlet space 1.3, the import of described oil-feed filter screen 3 one sides is connected with oil suction chamber 1.2, oil-feed filter screen 3 the other ends are provided with oil-feed filter screen side cover 2, be provided with a combination pump shaft 6 in the described eccentric body 4, device has the inside and outside gear train 5 of a circular arc type on the described combination pump shaft 6, described eccentric body 4 shell walls are provided with an eccentric body filler opening 4.1 and an eccentric body oil outlet 4.2, eccentric body filler opening 4.1 is connected with described inlet space 1.3, eccentric body oil outlet 4.2 goes out grease chamber 1.4 and is connected with described, the described pump housing 1 internal upper part is provided with an oil discharge passage 1.5, one end of described oil discharge passage 1.5 is provided with a fairing cap 9, the filler opening of described oil discharge passage 1.5 goes out grease chamber 1.4 and is connected with described, the described pump housing 1 top is provided with a pump cover 13, described pump cover 13 tops are provided with an oil outlet 13.1, the filler opening of this oil outlet 13.1 is connected with the other end of described oil discharge passage 1.5, be provided with an Oil-gas Separation pipe 8 in the described oil discharge passage 1.5, the import of described Oil-gas Separation pipe 8 is connected with described oil discharge passage 1.5, the outlet of Oil-gas Separation pipe 8 is connected with described Oil- gas Separation chamber 14,14 bottoms, described Oil-gas Separation chamber are provided with an oil return float valve 15, described oil return float valve 15 outlets are connected with the oil suction chamber 1.2 of the described pump housing 1 bottom, pump cover 13 tops of 14 tops, described Oil-gas Separation chamber are provided with an exhaust tube 16, exhaust tube 16 is provided with a venting float valve 17, described venting float valve 17 places in the described Oil-gas Separation chamber 14, also be provided with pressure regulator valve 7 on the described pump housing 1, described pressure regulator valve 7 goes out grease chamber 1.4 and links to each other with described.
Working principle:
The inside engaged gear of the inside and outside gear train of the circular arc type of oil pump produces parital vacuum by rotation counterclockwise, and fluid in the oil tank and oil pump form pressure reduction.Fluid is pressed into the oil suction chamber of bottom in the pump housing through the inlet port one-way valve under the barometric pressure effect, behind the oil-feed strainer filtering, enter the working oil chamber of bottom in the pump housing, be pressed onto the oil outlet of oil pump through the turning handle fluid of the inside and outside gear train engaging gear of circular arc type through oil discharge passage; The fluid that contains gas enters the Oil-gas Separation chamber by the Oil-gas Separation pipe in the oil discharge passage, gets back to the oil suction chamber of oil pump bottom through the oil return float valve through the fluid that does not contain gas after the gas-liquid separation; Gas after the separation is outside exhaust tube is emitted the pump housing; Closed the venting float valve if the too high venting float valve of the oil level of Oil-gas Separation chamber float floats, keep fluid can from air vent, not emerge, after oil level reduces along with the fluid that is sucked out from the oil return float valve, open the venting float valve and continue venting.
Claims (1)
1, the novel combination oil pump of a kind of oil-gas separation circular arc type inside engaged gear, comprise the pump housing (1), it is characterized in that: the described pump housing (1) bottom is provided with inlet port (1.1), inlet port (1.1) is provided with an inlet port one-way valve (12), the interior bottom of the pump housing (1) is provided with an oil suction chamber (1.2), inlet port one-way valve (12) outlet is arranged in the described oil suction chamber (1.2), be provided with an inlet space (1.3) in the middle of in the described pump housing (1), one eccentric body (4), one goes out a grease chamber (1.4) and an Oil-gas Separation chamber (14), be provided with an oil-feed filter screen (3) in the described inlet space (1.3), the import of described oil-feed filter screen (3) one sides is connected with oil suction chamber (1.2), oil-feed filter screen (3) the other end is provided with oil-feed filter screen side cover (2), be provided with a combination pump shaft (6) in the described eccentric body (4), described combination pump shaft (6) is gone up device the inside and outside gear train (5) of a circular arc type, described eccentric body (4) shell wall is provided with an eccentric body filler opening (4.1) and an eccentric body oil outlet (4.2), eccentric body filler opening (4.1) is connected with described inlet space (1.3), eccentric body oil outlet (4.2) goes out grease chamber (1.4) and is connected with described, the described pump housing (1) internal upper part is provided with an oil discharge passage (1.5), one end of described oil discharge passage (1.5) is provided with a fairing cap (9), the filler opening of described oil discharge passage (1.5) goes out grease chamber (1.4) and is connected with described, the described pump housing (1) top is provided with a pump cover (13), described pump cover (13) top is provided with an oil outlet (13.1), the filler opening of this oil outlet (13.1) is connected with the other end of described oil discharge passage (1.5), be provided with an Oil-gas Separation pipe (8) in the described oil discharge passage (1.5), the import of described Oil-gas Separation pipe (8) is connected with described oil discharge passage (1.5), the outlet of Oil-gas Separation pipe (8) is connected with described Oil-gas Separation chamber (14), bottom, described Oil-gas Separation chamber (14) is provided with an oil return float valve (15), described oil return float valve (15) outlet is connected with the oil suction chamber (1.2) of the described pump housing (1) bottom, pump cover (13) top of top, described Oil-gas Separation chamber (14) is provided with an exhaust tube (16), exhaust tube (16) is provided with a venting float valve (17), described venting float valve (17) places in the described Oil-gas Separation chamber (14), also be provided with pressure regulator valve (7) on the described pump housing (1), described pressure regulator valve (7) goes out grease chamber (1.4) and links to each other with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920042102U CN201377426Y (en) | 2009-03-20 | 2009-03-20 | Novel combined oil pump with oil-gas separating function and circular inside-engaged gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920042102U CN201377426Y (en) | 2009-03-20 | 2009-03-20 | Novel combined oil pump with oil-gas separating function and circular inside-engaged gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377426Y true CN201377426Y (en) | 2010-01-06 |
Family
ID=41517534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920042102U Expired - Lifetime CN201377426Y (en) | 2009-03-20 | 2009-03-20 | Novel combined oil pump with oil-gas separating function and circular inside-engaged gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201377426Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343680A (en) * | 2013-07-30 | 2015-02-11 | 株式会社山田制作所 | Oil pump |
| CN109626312A (en) * | 2018-12-27 | 2019-04-16 | 杭州博务流体科技有限公司 | A kind of oil depot light hydrocarbon fuel oil installs additional and volatilization gas recyclable device |
| CN109654014A (en) * | 2018-12-27 | 2019-04-19 | 浙江广播电视大学 | A kind of easy gasifying medium rotor mix transportation supercharging device of vehicle-carried mobile |
| CN110594149A (en) * | 2019-10-09 | 2019-12-20 | 珠海格力电器股份有限公司 | Gear pump and differential pressure regulating system |
-
2009
- 2009-03-20 CN CN200920042102U patent/CN201377426Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343680A (en) * | 2013-07-30 | 2015-02-11 | 株式会社山田制作所 | Oil pump |
| CN104343680B (en) * | 2013-07-30 | 2018-01-12 | 株式会社山田制作所 | Oil pump |
| CN109626312A (en) * | 2018-12-27 | 2019-04-16 | 杭州博务流体科技有限公司 | A kind of oil depot light hydrocarbon fuel oil installs additional and volatilization gas recyclable device |
| CN109654014A (en) * | 2018-12-27 | 2019-04-19 | 浙江广播电视大学 | A kind of easy gasifying medium rotor mix transportation supercharging device of vehicle-carried mobile |
| CN110594149A (en) * | 2019-10-09 | 2019-12-20 | 珠海格力电器股份有限公司 | Gear pump and differential pressure regulating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100106 Effective date of abandoning: 20090320 |