CN103574253A - Side ablation groove oil pump - Google Patents

Side ablation groove oil pump Download PDF

Info

Publication number
CN103574253A
CN103574253A CN201310486835.8A CN201310486835A CN103574253A CN 103574253 A CN103574253 A CN 103574253A CN 201310486835 A CN201310486835 A CN 201310486835A CN 103574253 A CN103574253 A CN 103574253A
Authority
CN
China
Prior art keywords
pump
cover
gear
pump housing
oil pump
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.)
Pending
Application number
CN201310486835.8A
Other languages
Chinese (zh)
Inventor
许仲秋
刘铁飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Oil Pump Co Ltd
Original Assignee
Hunan Oil Pump Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Oil Pump Co Ltd filed Critical Hunan Oil Pump Co Ltd
Priority to CN201310486835.8A priority Critical patent/CN103574253A/en
Publication of CN103574253A publication Critical patent/CN103574253A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

The invention discloses a side ablation groove oil pump which consists of a high pressure limiting valve (1), a pump body (2), a plug (3), a driven rotor (4), a pump cover (5), a braking gear (6), a gear cover (7), a gear cover fixing screw (8), a pump cover fixing screw (9), a driving rotor (10), an oil pump fixing screw (11) and a low pressure limiting valve (12). According to the oil pump, ablation grooves are added on the bottom surface of the pump body and the pump cover, so that a local high pressure caused by the trapping phenomenon generated in the meshing process of the gear can be released by the ablation grooves and the problem of erosion of the local high pressure on the bottom surfaces of the pump body and the pump cover of the oil pump is solved; meanwhile, the problem of pressure fluctuation caused by the local high pressure in the meshing process of the gear is also solved, turbulence in an oil duct is reduced and the working stability, reliability and safety and the service life of the oil pump are improved.

Description

A kind of side ablation scouring machine oil pump
technical field:
The present invention relates to a kind of side ablation scouring machine oil pump.
background technique:
Existing gear-type oil pump, oil pump gear is in engagement process, and partial high pressure can be caused in oil sealing region, impacts the pump housing, pump cover cavity bottom surface, causes cavitation erosion, and the damage pump housing, pump cover cause oil pump failure.
summary of the invention:
Goal of the invention of the present invention is to provide a kind of side ablation scouring machine oil pump.
The present invention adopts following technological scheme to realize its goal of the invention: a kind of side ablation scouring machine oil pump, and it is comprised of high-pressure limiting valve 1, the pump housing 2, plug 3, driven rotor 4, pump cover 5, spragging gear 6, gear cover 7, gear cover standing screw 8, pump cover standing screw 9, power rotor 10, oil pump standing screw 11, low voltage limit pressure valve 12; High-pressure limiting valve 1, plug 3, oil pump standing screw 11, low voltage limit pressure valve 12 are arranged on the pump housing 2; Driven rotor 4, power rotor 10 engagements are arranged in the pump housing 2; Pump cover 5 is installed by pump cover standing screw 9 and the pump housing 2; Spragging gear 6 is arranged on pump cover 5; Gear cover 7 is arranged on pump cover 5 by gear cover standing screw 8.
The present invention, in order to realize the object of ablation pump inner high voltage, is provided with right ablation groove 2-9, left ablation groove 2-11 on the pump housing 2, and right ablation groove 2-9, left ablation groove 2-11 are all located in the pump housing 2.
Owing to having adopted above technology the present invention to realize preferably its goal of the invention, this oil pump has increased ablation groove on the pump housing, pump cover bottom surface, the partial high pressure that the entrap phenomenon that Meshing Process of Spur Gear can be produced produces discharges by ablation groove, has solved the erosion problem of partial high pressure to the bottom surface of pump body, pump cover; Meanwhile, the pressure surge that the partial high pressure in the Meshing Process of Spur Gear also solving is brought, has alleviated the turbulent flow in oil duct, has improved stability, reliability, Security and the working life of operation of oil pump.
accompanying drawing explanation:
Accompanying drawing 1 is overall structure schematic diagram of the present invention.
Accompanying drawing 2 is structural representations of mark 2 of the present invention.
Accompanying drawing 3 is cross-sectional view of mark 2 of the present invention.
Description of reference numerals is shown in specification last page form.
embodiment:
Below in conjunction with accompanying drawing, summary of the invention is described further:
embodiment 1:
From accompanying drawing, an ablation scouring machine oil pump, it is comprised of high-pressure limiting valve 1, the pump housing 2, plug 3, driven rotor 4, pump cover 5, spragging gear 6, gear cover 7, gear cover standing screw 8, pump cover standing screw 9, power rotor 10, oil pump standing screw 11, low voltage limit pressure valve 12; High-pressure limiting valve 1, plug 3, oil pump standing screw 11, low voltage limit pressure valve 12 are arranged on the pump housing 2; Driven rotor 4, power rotor 10 engagements are arranged in the pump housing 2; Pump cover 5 is installed by pump cover standing screw 9 and the pump housing 2; Spragging gear 6 is arranged on pump cover 5; Gear cover 7 is arranged on pump cover 5 by gear cover standing screw 8.
The present invention, in order to realize the object of ablation pump inner high voltage, is provided with right ablation groove 2-9, left ablation groove 2-11 on the pump housing 2, and right ablation groove 2-9, left ablation groove 2-11 are all located in the pump housing 2.
High-pressure limiting valve 1 of the present invention refers to: pressure-limit valve; Be arranged on the pump housing 2; It is the pressure-limit valve of restriction zone of high pressure pressure; Its design attitude is as shown in mark 1 in accompanying drawing 1.
The pump housing 2 of the present invention refers to: the pump housing; Which is provided with pump housing mounting hole 2-1, pump housing positioning hole 2-2, ablation groove pressure-limit valve mounting groove 2-3, plug hole 2-4, pressure-limit valve mounting hole 2-5, filler opening 2-6, driven rotor mounting hole 2-7, oil outlet 2-8, right ablation groove 2-9, brake rotors mounting hole 2-10, left ablation groove 2-11; By pump cover standing screw 9 and pump cover 5, install; It is the pump housing of oil pump; As shown in Figure 2, as shown in Figure 3, its design attitude is as shown in mark 2 in accompanying drawing 1 for its cross-section structure for its structure.
Pump housing mounting hole 2-1 of the present invention refers to: the hole of design on the pump housing 2; It is the mounting hole of the pump housing 2; Its design attitude is as shown in mark 2-1 in accompanying drawing 2,3.
Pump housing positioning hole 2-2 of the present invention refers to: the hole of design on the pump housing 2; It is the hole of location; Its design attitude is as shown in mark 2-2 in accompanying drawing 2,3.
Ablation groove pressure-limit valve mounting groove 2-3 of the present invention refers to: the groove of design on the pump housing 2; It is the mounting groove of low voltage limit pressure valve 12; Its design attitude is as shown in mark 2-3 in accompanying drawing 2.
Plug of the present invention hole 2-4 refers to: the hole of design on the pump housing 2; It is the mounting hole of plug 3; Its design attitude is as shown in mark 2-4 in accompanying drawing 2.
Pressure-limit valve mounting hole 2-5 of the present invention refers to: the hole of design on the pump housing 2; It is the mounting hole of high-pressure limiting valve 1; Its design attitude is as shown in mark 2-5 in accompanying drawing 2.
Filler opening 2-6 of the present invention refers to: the mouth of design in the pump housing 2; It is the mouth of oil-feed; Its design attitude is as shown in mark 2-6 in accompanying drawing 3.
Driven rotor mounting hole 2-7 of the present invention refers to: the hole of design in the pump housing 2; It is the mounting hole of driven rotor 4; Its design attitude is as shown in mark 2-7 in accompanying drawing 3.
Oil outlet 2-8 of the present invention refers to: the mouth of design in the pump housing 2; It is fuel-displaced mouth; Its design attitude is as shown in mark 2-8 in accompanying drawing 3.
Right ablation groove 2-9 of the present invention refers to: the groove of design in the pump housing 2; Its effect is that the partial high pressure that the entrap phenomenon of Meshing Process of Spur Gear generation is produced discharges by ablation groove; Its design attitude is as shown in mark 2-9 in accompanying drawing 3.
Brake rotors mounting hole 2-10 of the present invention refers to: the hole of design in the pump housing 2; It is the mounting hole of power rotor 10; Its design attitude is as shown in mark 2-10 in accompanying drawing 3.
Left ablation groove 2-11 of the present invention refers to: the groove of design in the pump housing 2; Its effect is that the partial high pressure that the entrap phenomenon of Meshing Process of Spur Gear generation is produced discharges by ablation groove; Its design attitude is as shown in mark 2-11 in accompanying drawing 3.
Plug 3 of the present invention refers to: plug; Be arranged on the pump housing 2; Its design attitude is as shown in mark 3 in accompanying drawing 1.
Driven rotor 4 of the present invention refers to: driven rotor; Be arranged in driven rotor mounting hole 2-7; Its effect is to coordinate power rotor 10 pump oil; Its design attitude is as shown in mark 4 in accompanying drawing 1.
Pump cover 5 of the present invention refers to: pump cover; By pump cover standing screw 9 and the pump housing 2, install; It is the pump cover of oil pump; Its design attitude is as shown in mark 5 in accompanying drawing 1.
Spragging gear 6 of the present invention refers to: gear; Be arranged on pump cover 5; Its design attitude is as shown in mark 6 in accompanying drawing 1.
Gear cover 7 of the present invention refers to: gear cover; By gear cover standing screw 8, be arranged on pump cover 5; It is the gear cover of spragging gear 6; Its design attitude is as shown in mark 7 in accompanying drawing 1.
Gear cover standing screw 8 of the present invention refers to: screw rod; Its effect is that gear cover 7 is arranged on pump cover 5; Its design attitude is as shown in mark 8 in accompanying drawing 1.
Pump cover standing screw 9 of the present invention refers to: screw rod; It is the screw rod that pump cover 5 and the pump housing 2 are installed; Its design attitude is as shown in mark 9 in accompanying drawing 1.
Power rotor 10 of the present invention refers to: power rotor; Be arranged in brake rotors mounting hole 2-10; Its effect is to coordinate driven rotor 4 pump oil; Its design attitude is as shown in mark 10 in accompanying drawing 1.
Oil pump standing screw 11 of the present invention refers to: screw rod; It is the standing screw of oil pump; Its design attitude is as shown in mark 11 in accompanying drawing 1.
Low voltage limit pressure valve 12 of the present invention refers to: pressure-limit valve; It is the pressure-limit valve of restriction low pressure area pressure; Its design attitude is as shown in mark 12 in accompanying drawing 1.
 
Reference numerals Mark title Reference numerals Mark title
1 High-pressure limiting valve 1 2-11 Left ablation groove 2-11
2 The pump housing 2 3 Plug 3
2-1 Pump housing mounting hole 2-1 4 Driven rotor 4
2-2 Pump housing positioning hole 2-2 5 Pump cover 5
2-3 Ablation groove pressure-limit valve mounting groove 2-3 6 Spragging gear 6
2-4 Plug hole 2-4 7 Gear cover 7
2-5 Pressure-limit valve mounting hole 2-5 8 Gear cover standing screw 8
2-6 Filler opening 2-6 9 Pump cover standing screw 9
2-7 Driven rotor mounting hole 2-7 10 Power rotor 10
2-8 Oil outlet 2-8 11 Oil pump standing screw 11
2-9 Right ablation groove 2-9 12 Low voltage limit pressure valve 12
2-10 Brake rotors mounting hole 2-10 ? ?

Claims (2)

1. a side ablation scouring machine oil pump, is characterized in that it is comprised of high-pressure limiting valve (1), the pump housing (2), plug (3), driven rotor (4), pump cover (5), spragging gear (6), gear cover (7), gear cover standing screw (8), pump cover standing screw (9), power rotor (10), oil pump standing screw (11), low voltage limit pressure valve (12); High-pressure limiting valve (1), plug (3), oil pump standing screw (11), low voltage limit pressure valve (12) are arranged on the pump housing (2); Driven rotor (4), power rotor (10) engagement are arranged in the pump housing (2); Pump cover (5) is installed by pump cover standing screw (9) and the pump housing (2); Spragging gear (6) is arranged on pump cover (5); Gear cover (7) is arranged on pump cover (5) by gear cover standing screw (8).
2. a kind of side ablation scouring machine oil pump according to claim 1, is characterized in that being provided with right ablation groove (2-9), left ablation groove (2-11) on the pump housing (2), and right ablation groove (2-9), left ablation groove (2-11) are all located in the pump housing (2).
CN201310486835.8A 2013-10-17 2013-10-17 Side ablation groove oil pump Pending CN103574253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310486835.8A CN103574253A (en) 2013-10-17 2013-10-17 Side ablation groove oil pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310486835.8A CN103574253A (en) 2013-10-17 2013-10-17 Side ablation groove oil pump

Publications (1)

Publication Number Publication Date
CN103574253A true CN103574253A (en) 2014-02-12

Family

ID=50046659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310486835.8A Pending CN103574253A (en) 2013-10-17 2013-10-17 Side ablation groove oil pump

Country Status (1)

Country Link
CN (1) CN103574253A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113606482A (en) * 2021-08-06 2021-11-05 湖南机油泵股份有限公司 Gear type oil pump capable of optimizing cavitation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113606482A (en) * 2021-08-06 2021-11-05 湖南机油泵股份有限公司 Gear type oil pump capable of optimizing cavitation

Similar Documents

Publication Publication Date Title
CN103574253A (en) Side ablation groove oil pump
CN104848022A (en) Oil supply device provided with oil pressing device
CN202392417U (en) Gear type oil pump provided with end surface ablation grooves at oil discharge end
CN203308526U (en) Improved subcritical 300MW steam turbine nozzle block
CN202284648U (en) Seal structure of lubricating cavity of engine
CN203009283U (en) Reciprocation pump fluid end
CN202106037U (en) Protecting cover structure for high-speed electric spindle
CN203463918U (en) Oil pump for motorcycle engine
CN201896742U (en) Oil pump of safety regulating valve
CN203584495U (en) Engine oil pump cover of engine
CN203308530U (en) 300MW-level turbine low-pressure blade tip steam sealing structure
CN204025060U (en) A kind of air compressor improving oil cooling system
CN202946654U (en) Oil return structure of mechanical box body parts
CN204113372U (en) Railway Diesel machine lubricating oil system integrated part
CN104196710B (en) Plunger displacement pump packing_seal pressure compensator and application process
CN203978862U (en) Integrated oil pump motor group
CN203321807U (en) Exhaust device for water pump
CN202833083U (en) Water spray ring of plunger pump
CN203185265U (en) Auxiliary tool for taking out crank pin of beam-pumping unit
CN202707572U (en) Improvement of thordon bearing lubricating structure for vertical axial-flow pump
CN202431570U (en) Space guide blade type long shaft pump depressurizing structure
CN204200558U (en) A kind of wear-resisting high temperature resistance oil distribution casing
CN204942126U (en) A kind of double hydraulic system elevation scheme brake hydraulic station special plug-in type pressure screw rod
CN103742443B (en) A kind of impeller module of fuel pump
CN103486263A (en) Oil-leakage-proof structure of hydraulic oil cooler

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140212