CN202483666U - Engine oil pump assembly for gasoline engine - Google Patents
Engine oil pump assembly for gasoline engine Download PDFInfo
- Publication number
- CN202483666U CN202483666U CN2012200500263U CN201220050026U CN202483666U CN 202483666 U CN202483666 U CN 202483666U CN 2012200500263 U CN2012200500263 U CN 2012200500263U CN 201220050026 U CN201220050026 U CN 201220050026U CN 202483666 U CN202483666 U CN 202483666U
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- CN
- China
- Prior art keywords
- limiting valve
- pressure
- pressure limiting
- driving shaft
- locating stud
- 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 - Fee Related
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Abstract
The utility model discloses an engine oil pump assembly for a gasoline engine. The engine oil pump assembly comprises a choke plug, a driving shaft positioning hole, a pressure limiting valve cavity, a combined cushion, a pressure limiting valve spring, a pressure limiting valve screw, a pressure limiting valve core, a gear chamber, a driving shaft, a driven shaft and the like; the choke plug covers the driving shaft positioning hole; the pressure limiting valve spring is sleeved on the pressure limiting valve core; the pressure limiting valve spring, the pressure limiting valve core and the combine cushion are assembled in the pressure limiting valve cavity; the pressure limiting screw is screwed on the pressure limiting valve cavity so as to fix the pressure limiting valve spring and the pressure limiting valve core; the gear chamber is fixedly arranged on a pump body; the driving shaft is fixedly arranged in the driving shaft positioning hole; the driven shaft is connected with the driving shaft; a first positioning pin and a fourth positioning pin are mounted at the side edge of the gear chamber; a second positioning pin and a third positioning pin are mounted below the pump body; an involute gear is mounted on the driven shaft; and a pump cover is fixed with the pump body and the gear chamber through a pump cover screw. All the elements in the engine oil pump assembly provided by the utility model can be effectively matched, so that the flow and the pressure of the pump assembly can be kept stable.
Description
Technical field
The utility model relates to a kind of petrol engine, particularly a kind of petrolic engine oil pump assembly.
Background technique
It is under the 700-7200rpm condition that petrolic engine oil pump assembly needs in engine speed; The realization lubrication flow is 17.3-19.5L/min; The pressure release cracking pressure is 4.5-5.5bar; Designs such as the involute gear of existing engine oil pump assembly and pressure-limit valve, spring force, oil outlet, oil duct flow resistance can not effectively be mated, and cause defectives such as engine oil pump assembly flow and pressure instability.
The model utility content
The utility model technical problem to be solved provides a kind of petrolic engine oil pump assembly, and wherein each element effectively matees, and makes pump assembly flow and pressure keep stable.
For solveing the technical problem; The utility model provides a kind of petrolic engine oil pump assembly; It is characterized in that it comprises silently, driving shaft positioning hole, pressure limiting valve pocket, combination mat, limiting valve spring, pressure-limit valve screw, valve core of pressure-limiting valve, gear chamber, driving shaft, driven shaft, first locating stud, second locating stud, the 3rd locating stud, the 4th locating stud, the pump housing, involute gear, pump cover, screw, silently covers the driving shaft positioning hole; Limiting valve spring is enclosed within on the valve core of pressure-limiting valve; Limiting valve spring, valve core of pressure-limiting valve, combination mat are packed in the pressure limiting valve pocket, and with fixedly limiting valve spring and valve core of pressure-limiting valve, gear chamber is fixed on the pump housing pressure-limit valve screw threads on the pressure limiting valve pocket; Driving shaft is fixed in the driving shaft positioning hole; Driven shaft is connected with driving shaft, and first locating stud and the 4th locating stud are contained in the side of gear chamber, and second locating stud, the 3rd locating stud are contained in the below of the pump housing; Involute gear is contained on the driven shaft, and pump cover is fixed through pump cover screw and the pump housing, gear chamber.
The positive progressive effect of the utility model is: the petrolic engine oil pump assembly of the utility model in light weight, and pressure surge is little, working stability, reliable performance, the life-span is long.
Description of drawings
Fig. 1 is the overall structure schematic representation of the petrolic engine oil pump assembly of the utility model.
Fig. 2 is the working principle schematic representation of the petrolic engine oil pump assembly of the utility model.
Embodiment
Lift a preferred embodiment below, and combine accompanying drawing to come the clearer the utility model of intactly explaining.
As shown in Figure 1; The petrolic engine oil pump assembly of the utility model comprises silently 1, driving shaft positioning hole 2, pressure limiting valve pocket 3, combination mat 4, limiting valve spring 5, pressure-limit valve screw 6, valve core of pressure-limiting valve 7, gear chamber 8, driving shaft 9, driven shaft 10, first locating stud 11, second locating stud 12, the 3rd locating stud 13, the 4th locating stud 14, the pump housing 15, involute gear 16, pump cover 17, screw 18; Silently 1 cover driving shaft positioning hole 2; Limiting valve spring 5 is enclosed within on the valve core of pressure-limiting valve 7; Limiting valve spring 5, valve core of pressure-limiting valve 7, combination mat 4 are packed in the pressure limiting valve pocket 3, and pressure-limit valve screw 6 is spun on the pressure limiting valve pocket 3 with fixedly limiting valve spring 5 and valve core of pressure-limiting valve 7, and gear chamber 8 is fixed on the pump housing 15; Driving shaft 9 is fixed in the driving shaft positioning hole 2; Driven shaft 10 is connected with driving shaft 9, and first locating stud 11 and the 4th locating stud 14 are contained in the side of gear chamber 8, and second locating stud 12, the 3rd locating stud 13 are contained in the below of the pump housing 15; Involute gear 16 is contained on the driven shaft 10, and pump cover 17 is fixed through pump cover screw 18 and the pump housing 15, gear chamber 8.
The installation process of the petrolic engine oil pump assembly of the utility model is following: after at first being contained on driving shaft 9 and the driven shaft 10 by involute gear 16, integral installation is on gear chamber 8.Driving shaft 9 is fixed in the driving shaft positioning hole 2, silently 1 covers driving shaft positioning hole 2.Pump cover 17 is contained on the plane of the pump housing 15 and gear chamber 8, and fixing with screw 18.Limiting valve spring 5 is enclosed within on the valve core of pressure-limiting valve 7, packs in the pressure limiting valve pocket 3 together with combination mat 4, and pressure-limit valve screw 6 is spun on the pressure limiting valve pocket 3 with fixedly limiting valve spring 5 and valve core of pressure-limiting valve 7.Pack at last first locating stud 11, second locating stud 12, the 3rd locating stud 13, the 4th locating stud 14.
As shown in Figure 2; The working principle of the petrolic engine oil pump assembly of the utility model is following: bent axle drives sprocket rotation driving shaft and involute gear 16 on the motor; Moment produces vacuum makes fuel sucking pipe 21 oil suctions get into involute gear low pressure chamber 22; Get into involute gear hyperbaric chamber 23 through the gear engagement low pressure oil, moment produces high pressure and gets into high-pressure oil duct 24 in the cavity of sealing.High-pressure oil duct when high pressure oil surpasses qualification pressure, backs down limiting valve spring 5 and valve core of pressure-limiting valve 25; Make super high pressure oil through pressure limiting valve pocket 26 and relief hole 27 oil returns to low pressure chamber; Keep setting the high pressure oil pressure stability, export 28 supply engine lubrication systems, go round and begin again from high pressure oil.
The petrolic engine oil pump assembly of the utility model in light weight, pressure surge is little, working stability, reliable performance, the life-span is long.In the utility model silently, driving shaft positioning hole, pressure limiting valve pocket, combination mat, limiting valve spring, pressure-limit valve screw, valve core of pressure-limiting valve, gear chamber, driving shaft, driven shaft, first locating stud, second locating stud, the 3rd locating stud, the 4th locating stud, the pump housing, involute gear, pump cover, screw effectively mate, and makes pump assembly flow and pressure keep stable.
Though more than described the embodiment of the utility model; But those skilled in the art is to be understood that; These only illustrate, and under the prerequisite of principle that does not deviate from the utility model and essence, can make numerous variations or modification to these mode of executions.Therefore, the protection domain of the utility model is limited appended claims.
Claims (1)
1. petrolic engine oil pump assembly; It is characterized in that it comprises silently, driving shaft positioning hole, pressure limiting valve pocket, combination mat, limiting valve spring, pressure-limit valve screw, valve core of pressure-limiting valve, gear chamber, driving shaft, driven shaft, first locating stud, second locating stud, the 3rd locating stud, the 4th locating stud, the pump housing, involute gear, pump cover, screw, silently covers the driving shaft positioning hole; Limiting valve spring is enclosed within on the valve core of pressure-limiting valve; Limiting valve spring, valve core of pressure-limiting valve, combination mat are packed in the pressure limiting valve pocket, and with fixedly limiting valve spring and valve core of pressure-limiting valve, gear chamber is fixed on the pump housing pressure-limit valve screw threads on the pressure limiting valve pocket; Driving shaft is fixed in the driving shaft positioning hole; Driven shaft is connected with driving shaft, and first locating stud and the 4th locating stud are contained in the side of gear chamber, and second locating stud, the 3rd locating stud are contained in the below of the pump housing; Involute gear is contained on the driven shaft, and pump cover is fixed through pump cover screw and the pump housing, gear chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200500263U CN202483666U (en) | 2012-02-16 | 2012-02-16 | Engine oil pump assembly for gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200500263U CN202483666U (en) | 2012-02-16 | 2012-02-16 | Engine oil pump assembly for gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483666U true CN202483666U (en) | 2012-10-10 |
Family
ID=46958093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200500263U Expired - Fee Related CN202483666U (en) | 2012-02-16 | 2012-02-16 | Engine oil pump assembly for gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202483666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256092A (en) * | 2012-02-16 | 2013-08-21 | 上海乾通汽车附件有限公司 | Oil pump assembly of gasoline engine |
-
2012
- 2012-02-16 CN CN2012200500263U patent/CN202483666U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256092A (en) * | 2012-02-16 | 2013-08-21 | 上海乾通汽车附件有限公司 | Oil pump assembly of gasoline engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI XINGFU MOTORCYCLE CO., LTD. Free format text: FORMER OWNER: SHANGHAI QIANTONG AUTOMOBILE ACCESSORY CO., LTD. Effective date: 20150123 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201814 JIADING, SHANGHAI TO: 201999 BAOSHAN, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150123 Address after: 201999 No. 998 Tongji Road, Shanghai, Baoshan District Patentee after: Shanghai Xingfu Motorcycle Co., Ltd. Address before: 201814 Shanghai city Jiading District Bai'an Road No. 168 Patentee before: Shanghai Qiantong Automobile Accessory Co., Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20190402 Address after: Building No. 18, 998 Tongji Road, Baoshan District, Shanghai, 20199 Patentee after: Huayu Pilberg Pump Technology Co., Ltd. Address before: 1999 No. 998 Tongji Road, Baoshan District, Shanghai Patentee before: Shanghai Xingfu Motorcycle Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20200216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |