CN202252755U - Rotor type engine oil pump - Google Patents

Rotor type engine oil pump Download PDF

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Publication number
CN202252755U
CN202252755U CN2011202183691U CN201120218369U CN202252755U CN 202252755 U CN202252755 U CN 202252755U CN 2011202183691 U CN2011202183691 U CN 2011202183691U CN 201120218369 U CN201120218369 U CN 201120218369U CN 202252755 U CN202252755 U CN 202252755U
Authority
CN
China
Prior art keywords
rotor
pump
oil
shaft
driving shaft
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.)
Expired - Lifetime
Application number
CN2011202183691U
Other languages
Chinese (zh)
Inventor
许仲秋
刘光明
向志奇
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 CN2011202183691U priority Critical patent/CN202252755U/en
Application granted granted Critical
Publication of CN202252755U publication Critical patent/CN202252755U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

The utility model discloses a rotor type engine oil pump which comprises a pump body, a pump cover, an outer rotor, an inner rotor, a driving shaft, a transmission gear, an inert gear and an idle gear shaft, wherein the driving shaft is arranged in a shaft hole of the pump body; the outer end of the driving shaft is closely provided with the transmission gear, and the inner end of the driving shaft is provided with the inner rotor which rotates along with the driving shaft; one side of the inner end of the pump body is provided with an outer rotor mounting hole; the outer rotor is arranged in the outer rotor mounting hole; the inner rotor is positioned in an inner rotor hole of the outer rotor; an oil outlet channel and an oil inlet channel are respectively arranged on the pump body and between the inner rotor and the outer rotor; the pump cover is arranged on the outer rotor; the pump cover is provided with an oil outlet communicated with the oil outlet channel and an oil inlet communicated with the oil inlet channel; the idle gear shaft is arranged at the upper end of the pump body; an inert gear shaft is arranged on the idle gear shaft and positioned at the outer end of the pump body; and the transmission gear is meshed with the inert gear. The rotor type engine oil pump has a compact structure, the stability and the reliability of the operation of the engine oil pump is improved, and the service life of the engine oil pump is prolonged.

Description

A kind of rotor-type oil pump
Technical field
The utility model relates to the parts of automotive engine lubrication system, particularly a kind of A4V33 type rotor-type oil pump.
Background technique
Rotor-type oil pump present and matching with automobile engine exists loosely organized, and all there is deficiency in its reliability and working life in the shortcoming of stable difference.
The model utility content
The rotor-type oil pump that the utility model technical problem to be solved is to the existing existing deficiency of rotor-type oil pump a kind of compact structure to be provided, stablize, fuel feeding is safe and reliable, the working life that this rotor-type oil pump has higher reliability and grows.
The utility model technical problem to be solved can realize through following technological scheme:
Rotor-type oil pump; Comprise the pump housing, pump cover, external rotor, internal rotor, driving shaft, driving gear, sloth wheel gear and idler shaft; It is characterized in that; Said driving shaft is installed in the axis hole of the said pump housing, and driving gear is tightly adorned in the outer end of said driving shaft, and the inner of said driving shaft is equipped with the internal rotor that rotates with said driving shaft; One side is provided with the external rotor mounting hole in the inner of the said pump housing; Said external rotor is installed in the said external rotor mounting hole; Said internal rotor is positioned at the internal rotor hole of said external rotor; Be provided with oil discharge passage and oil inlet passage on the said pump housing and between the inside and outside rotor, said pump cover is installed on the said external rotor, and said pump cover is provided with oil outlet that connects with said oil discharge passage and the filler opening that connects with said oil inlet passage; Said idler shaft is installed in the upper end of the said pump housing, and said sloth wheel gear axle is located on the said idler shaft and is positioned at the outer end of the said pump housing; Said driving gear is meshed with said sloth wheel gear.
In said idler shaft, be provided with sloth wheel gear Lubricant feeding road; The oil inlet end in said sloth wheel gear Lubricant feeding road and the oil discharge passage on the said pump housing connect, and the oil outlet end in sloth wheel gear Lubricant feeding road connects with the joint of said sloth wheel gear and idler shaft.
Owing to adopted technological scheme as above, the utlity model has compact structure, this part adopts the Placement of inlaying with body, has improved stability, reliability and the working life of oil pump running.It is 4800r/min that the utility model oil pump is worked as rotating speed, and when pressure was 4kpa, the oil pump output flow was not less than 55L/min.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the right elevation of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the detailed structure of the utility model is done further to describe.
As depicted in figs. 1 and 2, A4V33 type rotor engine oil pump comprises the pump housing 100, pump cover 200, external rotor 300, internal rotor 400, driving shaft 500, driving gear 600, sloth wheel gear 700 and idler shaft 800.
Driving shaft 500 is installed in the axis hole 110 of the pump housing 100, and driving gear 600 is tightly adorned in the outer end of driving shaft 500, and the inner is equipped with the internal rotor 400 that rotates with driving shaft 500; One side is provided with external rotor mounting hole 120 in the inner of the pump housing 100; External rotor 300 is embedded in the external rotor mounting hole 120; Internal rotor 400 is positioned at the internal rotor hole 310 of external rotor 300; On the pump housing 100 and inside and outside rotor 400, be provided with oil discharge passage 130 and oil inlet passage 140 between 500, pump cover 200 is installed on the external rotor 300, oil outlet 210 that pump cover 200 is provided with and oil discharge passage 130 connects and the filler opening 220 that connects with oil inlet passage 140; Idler shaft 800 is installed in the upper end of the pump housing 100, in idler shaft 800, is provided with sloth wheel gear Lubricant feeding road 810, and 700 of sloth wheel gears are located on the idler shaft 800 and are positioned at the outer end of the pump housing 100; Driving gear 600 is meshed with sloth wheel gear 700.The oil inlet end in sloth wheel gear Lubricant feeding road 810 and the oil discharge passage on the pump housing 100 connect 130, and oil outlet end connects with the joint of sloth wheel gear 700 with idler shaft 800.
More than show and described basic principle of the utility model and the advantage of major character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.

Claims (2)

1. rotor-type oil pump; Comprise the pump housing, pump cover, external rotor, internal rotor, driving shaft, driving gear, sloth wheel gear and idler shaft; It is characterized in that; Said driving shaft is installed in the axis hole of the said pump housing, and driving gear is tightly adorned in the outer end of said driving shaft, and the inner of said driving shaft is equipped with the internal rotor that rotates with said driving shaft; One side is provided with the external rotor mounting hole in the inner of the said pump housing; Said external rotor is installed in the said external rotor mounting hole; Said internal rotor is positioned at the internal rotor hole of said external rotor; Be provided with oil discharge passage and oil inlet passage on the said pump housing and between the inside and outside rotor, said pump cover is installed on the said external rotor, and said pump cover is provided with oil outlet that connects with said oil discharge passage and the filler opening that connects with said oil inlet passage; Said idler shaft is installed in the upper end of the said pump housing, and said sloth wheel gear axle is located on the said idler shaft and is positioned at the outer end of the said pump housing; Said driving gear is meshed with said sloth wheel gear.
2. rotor-type oil pump as claimed in claim 1; It is characterized in that; In said idler shaft, be provided with sloth wheel gear Lubricant feeding road; The oil inlet end in said sloth wheel gear Lubricant feeding road and the oil discharge passage on the said pump housing connect, and the oil outlet end in sloth wheel gear Lubricant feeding road connects with the joint of said sloth wheel gear and idler shaft.
CN2011202183691U 2011-06-24 2011-06-24 Rotor type engine oil pump Expired - Lifetime CN202252755U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202183691U CN202252755U (en) 2011-06-24 2011-06-24 Rotor type engine oil pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202183691U CN202252755U (en) 2011-06-24 2011-06-24 Rotor type engine oil pump

Publications (1)

Publication Number Publication Date
CN202252755U true CN202252755U (en) 2012-05-30

Family

ID=46113996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202183691U Expired - Lifetime CN202252755U (en) 2011-06-24 2011-06-24 Rotor type engine oil pump

Country Status (1)

Country Link
CN (1) CN202252755U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104976498A (en) * 2015-07-13 2015-10-14 常州市宏硕电子有限公司 Combined fuel pump
CN106051443A (en) * 2016-08-17 2016-10-26 湖南机油泵股份有限公司 Machine oil pump with idle gear
CN108662422A (en) * 2018-08-16 2018-10-16 湖南机油泵股份有限公司 A kind of lubricating oil pump that lubrication can be provided idle gear bushing
CN110094626A (en) * 2019-04-08 2019-08-06 湖南机油泵股份有限公司 A kind of single support impeller pump with idle gear

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104976498A (en) * 2015-07-13 2015-10-14 常州市宏硕电子有限公司 Combined fuel pump
CN106051443A (en) * 2016-08-17 2016-10-26 湖南机油泵股份有限公司 Machine oil pump with idle gear
CN108662422A (en) * 2018-08-16 2018-10-16 湖南机油泵股份有限公司 A kind of lubricating oil pump that lubrication can be provided idle gear bushing
CN110094626A (en) * 2019-04-08 2019-08-06 湖南机油泵股份有限公司 A kind of single support impeller pump with idle gear

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120530

DD01 Delivery of document by public notice
DD01 Delivery of document by public notice

Addressee: Xiang Shuilian

Document name: Notice of expiration and termination of patent right