CN110094626A - A kind of single support impeller pump with idle gear - Google Patents
A kind of single support impeller pump with idle gear Download PDFInfo
- Publication number
- CN110094626A CN110094626A CN201910274272.3A CN201910274272A CN110094626A CN 110094626 A CN110094626 A CN 110094626A CN 201910274272 A CN201910274272 A CN 201910274272A CN 110094626 A CN110094626 A CN 110094626A
- Authority
- CN
- China
- Prior art keywords
- pump housing
- oil
- idle gear
- axis hole
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention provides a kind of, and the list with idle gear supports impeller pump, including the pump housing, pump cover, internal rotor, outer rotor, transmission shaft, transmission gear, idle gear, idler shaft；The pump cover is equipped with oil inlet and oil outlet, and the pump housing is equipped with axis hole and rotor chamber, is pressed with bushing in the axis hole of the pump housing；The internal rotor is located in the rotor chamber of the pump housing and is fixedly connected with one end of the transmission shaft, is installed in rotation in the axis hole of the pump housing in the middle part of the transmission shaft, institute's transmission gear is mounted on the outboard end of the transmission shaft；The idler shaft is fixedly mounted on the pump housing, and bushing is pressed in the axis hole of the idle gear, and the idle gear is installed in rotation on idler shaft by the bushing and is meshed with the transmission gear；The medial surface of the pump housing is equipped with axis hole boss, and the position that the internal rotor corresponds to pump housing axis hole boss is equipped with groove.Above structure enhances the support to transmission shaft by the axis hole length of the extension pump housing.
Description
Technical field
The present invention relates to a kind of engine lubrication system component, in particular to a kind of rotor-type oil pump with idle gear.
Background technique
Existing huge discharge lubricating oil pump is typically mounted in the machine oil shell below engine crankcase, passes through engine song
Gear on axis drives transmission gear of engine oil pump, since engine crankcase is very big, the center of machine oil pump drive shaft and crankshaft away from
It is bigger, under the premise of transmission ratio determines, if simple is straight by increase transmission gear of engine oil pump and the gear on crankshaft
Diameter matches center away from the gear being bound to cause on crankshaft is excessive with transmission gear of engine oil pump, will increase cost in this way, in addition
The engine also gear very big without enough space layout diameters.So between transmission gear of engine oil pump and crankshaft toothed wheel
Must increase by an idle gear could be transmitted to the gear driving force on crankshaft on transmission gear of engine oil pump, can both drop in this way
Low cost also can make engine structure more compact.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of, and the list with idle gear supports impeller pump, and this impeller pump exists
The support to transmission shaft can be enhanced under the premise of not increasing pump cover thickness.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of single support rotor with idle gear
Pump, including the pump housing, pump cover, internal rotor, outer rotor, transmission shaft, transmission gear, idle gear, idler shaft；The pump cover is equipped with
Oil inlet and oil outlet, the pump housing are equipped with axis hole and rotor chamber, are pressed with bushing in the axis hole of the pump housing；In described
Rotor is located in the rotor chamber of the pump housing and is fixedly connected with one end of the transmission shaft, and the middle part of the transmission shaft is rotationally
It is mounted in the axis hole of the pump housing, institute's transmission gear is mounted on the outboard end of the transmission shaft；The idler shaft is fixedly mounted on pump
On body, bushing is pressed in the axis hole of the idle gear, the idle gear is installed in rotation on idler shaft by the bushing
Above and with the transmission gear it is meshed；The medial surface of the pump housing is equipped with axis hole boss, and the internal rotor corresponds to pump housing axis
The position of hole boss is equipped with groove.
In the above-mentioned technical solutions, since the medial surface of the pump housing is equipped with axis hole boss, the axis hole of the pump housing is thus extended
Length enhances the support to transmission shaft；Since the position that internal rotor corresponds to pump housing axis hole boss is equipped with groove, thus not
It will affect integral thickness and the rotation of internal rotor, also, use such structure, there is no need to open up axis hole on pump cover.
The further technical solution of the present invention is: the rotor chamber bottom of the pump housing is equipped with low-pressure tank and high pressure sump,
One end of the high pressure sump is equipped with the optimization slot of two extensions, wherein outer one optimizes slot for pressure oscillation, it is inner
One is cavitation erosion optimization slot, and cavitation erosion optimization slot is communicated with rotor oil suction maximum volume chamber, the pressure oscillation optimize slot and
Rotor oil suction maximum volume chamber is not communicated with.
Further, one end of the oil outlet also is provided with the optimization slot of two extensions in the medial surface of the pump cover,
In outer one optimize slot for pressure oscillation, inner one is cavitation erosion optimization slot.
Since cavitation erosion optimization slot is communicated to rotor oil suction maximum volume chamber (when oil suction, this chamber parital vacuum), work as suction
When oil is insufficient, the oil inside high pressure sump can be optimized slot by the cavitation erosion and supplement oil liquid to maximum volume chamber the inside, be reduced
Gas is brought into high pressure chest, optimization cavitation erosion, while can also play the effect of optimization pressure fluctuation.
Further, the high pressure sump bottom of the pump housing has inclined-plane.
Further, the pump housing and the idler shaft are equipped with the oil leab interconnected, which is used for
Lubricating oil is provided to the gap between idler shaft and idle gear bushing.
Preferably, the pump housing is equipped with the first oil leab, and the idler shaft is equipped with and first oil leab
Second oil leab of connection, second oil leab are inclined oil hole of air.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the pump housing in the embodiment of the present invention；
Fig. 3 is the pump cover medial surface structural schematic diagram in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram equipped with inner and outer Rotator in the pump housing in the embodiment of the present invention；
Appended drawing reference are as follows:
1 --- the pump housing 2 --- pump cover 3 --- internal rotor
4 --- outer rotor 5 --- transmission shaft 6 --- transmission gears
7 --- idle gear 8 --- idler shaft 9 --- low-pressure tanks
10 --- high pressure sump 101 --- pressure oscillations optimize slot
102 --- cavitation erosion optimization slot 11 --- first oil leabs
12 --- the second oil leab 13 --- oil inlets
14 --- oil outlet 15 --- axis hole boss.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made below with reference to embodiment and attached drawing further
Illustrate, the content that embodiment refers to not is limitation of the invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.In description of the invention
In, the meaning of " plurality " is two or more, unless otherwise specifically defined.In the description of the present invention, it needs
Illustrate, unless otherwise specified and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, can be with
It is that mechanical connection or electrical connection, the connection being also possible to inside two elements can be directly connected, centre can also be passed through
Medium is indirectly connected, and for the ordinary skill in the art, can understand the specific of the term as the case may be
Meaning.
As shown in Figure 1, the preferred embodiment of the present invention is: a kind of single support impeller pump with idle gear, including the pump housing 1,
Pump cover 2, internal rotor 3, outer rotor 4, transmission shaft 5, transmission gear 6, idle gear 7, idler shaft 8；The pump cover 2 is equipped with oil inlet
Mouth 13 and oil outlet 14, the pump housing 1 are equipped with axis hole and rotor chamber, are pressed with bushing in the axis hole of the pump housing 1；It is described
Internal rotor 3 is located in the rotor chamber of the pump housing 1 and is fixedly connected with one end of the transmission shaft 5, and the middle part of the transmission shaft 5 can
It is rotatably mounted in the axis hole of the pump housing 1, institute's transmission gear 6 is mounted on the outboard end of the transmission shaft 5；The idler shaft 8 is solid
Dingan County is pressed with bushing on the pump housing 1 in the axis hole of the idle gear 7, the idle gear 7 can be rotated by the bushing
Ground is mounted on idler shaft 8 and is meshed with the transmission gear 6；The medial surface of the pump housing 1 is equipped with axis hole boss 15, institute
The position for stating the corresponding pump housing axis hole boss 15 of internal rotor 3 is equipped with groove.
In the above-mentioned technical solutions, since the medial surface of the pump housing 1 is equipped with axis hole boss 15, the pump housing 1 is thus extended
Axis hole length enhances the support to transmission shaft 5；Since the position of the corresponding pump housing axis hole boss 15 of internal rotor 3 is equipped with groove,
It thus will not influence integral thickness and the rotation of internal rotor 3, also, use such structure, there is no need on pump cover 2
Open up axis hole.
As shown in Figure 2,3, 4, the rotor chamber bottom of the pump housing 1 is equipped with low-pressure tank 9 and high pressure sump 10, the pump
10 bottom of high pressure sump of body 1 has inclined-plane, and one end of the high pressure sump 10 is equipped with the optimization slot of two extensions, wherein leaning on
Outer one optimizes slot 101 for pressure oscillation, and inner one is cavitation erosion optimization slot 102, and the cavitation erosion optimizes slot 102 and turns
Sub- oil suction maximum volume chamber communicates, and the pressure oscillation optimization slot 101 is not communicated with rotor oil suction maximum volume chamber.Correspondingly,
One end of the oil outlet also is provided with the optimization slot of two extensions in the medial surface of the pump cover, wherein outer one is pressure
Fluctuation optimizes slot 101, and inner one is cavitation erosion optimization slot 102.It is inhaled since cavitation erosion optimization slot 102 is communicated to rotor
Oily maximum volume chamber (when oil suction, this chamber parital vacuum), when oil suction is insufficient, the oil of 10 the inside of high pressure sump can pass through
The cavitation erosion optimizes slot 102 to supplement oil liquid inside maximum volume chamber, reduces gas and is brought into high pressure chest, optimizes cavitation erosion, while
The effect of optimization pressure fluctuation can be played.
As shown in Figure 1, the pump housing 1 and idler shaft 8 are equipped with the oil leab interconnected, which is used for lazy
Gap between 7 bushing of wheel shaft 8 and idle gear provides lubricating oil, and middle pump body 1 is equipped with the first oil leab 11, described lazy
Wheel shaft 1 is equipped with the second oil leab 12 being connected to first oil leab, and second oil leab 12 is tiltedly oily
Hole.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
In order to allow those of ordinary skill in the art more easily to understand the improvements of the present invention compared with the existing technology,
Some attached drawings and description of the invention have been simplified, and for the sake of clarity, present specification is omitted some other
Element, the element that those of ordinary skill in the art should be aware that these are omitted also may make up the contents of the present invention.
Claims (6)
1. a kind of single support impeller pump with idle gear, including the pump housing (1), pump cover (2), internal rotor (3), outer rotor (4), transmission
Axis (5), transmission gear (6), idle gear (7), idler shaft (8)；It is characterized by: the pump cover (2) is equipped with oil inlet (13)
With oil outlet (14), the pump housing (1) is equipped with axis hole and rotor chamber, is pressed with bushing in the axis hole of the pump housing (1)；It is described
Internal rotor (3) is located in the rotor chamber of the pump housing (1) and is fixedly connected with one end of the transmission shaft (5), the transmission shaft (5)
Middle part is installed in rotation in the axis hole of the pump housing (1), and institute's transmission gear (6) is mounted on the outboard end of the transmission shaft (5)；Institute
It states idler shaft (8) to be fixedly mounted on the pump housing (1), bushing, the idle gear (7) is pressed in the axis hole of the idle gear (7)
It is installed in rotation on idler shaft (8) by the bushing and is meshed with the transmission gear；The inside of the pump housing (1)
Face is equipped with axis hole boss (13), and the position of the internal rotor (3) corresponding pump housing axis hole boss (15) is equipped with groove.
2. single support impeller pump according to claim 1 with idle gear, it is characterized in that: the rotor chamber of the pump housing (1)
Bottom is equipped with low-pressure tank (9) and high pressure sump (10), and one end of the high pressure sump (10) is equipped with the optimization slot of two extensions,
Wherein outer one optimizes slot (101) for pressure oscillation, and inner one is cavitation erosion optimization slot (102), the cavitation erosion optimization
Slot (102) is communicated with rotor oil suction maximum volume chamber, and pressure oscillation optimization slot (101) and rotor oil suction maximum volume chamber are not
It communicates.
3. single support impeller pump according to claim 2 with idle gear, it is characterized in that: one end of the oil outlet is in institute
The medial surface for stating pump cover also is provided with the optimization slot of two extensions, wherein outer one optimizes slot (101) for pressure oscillation, it is inner
One for cavitation erosion optimization slot (102).
4. single support impeller pump according to claim 2 with idle gear, it is characterized in that: the high pressure oil of the pump housing (1)
Slot (10) bottom has inclined-plane.
5. single support impeller pump according to claim 1 or 2 with idle gear, it is characterized in that: the pump housing (1) and described
Idler shaft (8) is equipped with the oil leab that interconnects, the oil leab be used for idler shaft (8) and idle gear (7) bushing it
Between gap provide lubricating oil.
6. single support impeller pump according to claim 4 with idle gear, it is characterized in that: the pump housing (1) is equipped with the
One oil leab (11), the idler shaft (1) are equipped with the second oil leab (12) being connected to first oil leab, institute
Stating the second oil leab (12) is inclined oil hole of air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274272.3A CN110094626A (en) | 2019-04-08 | 2019-04-08 | A kind of single support impeller pump with idle gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274272.3A CN110094626A (en) | 2019-04-08 | 2019-04-08 | A kind of single support impeller pump with idle gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110094626A true CN110094626A (en) | 2019-08-06 |
Family
ID=67444432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910274272.3A Pending CN110094626A (en) | 2019-04-08 | 2019-04-08 | A kind of single support impeller pump with idle gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110094626A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837614A (en) * | 2005-03-23 | 2006-09-27 | 株式会社山田制作所 | Oil pump |
| CN2937557Y (en) * | 2006-08-16 | 2007-08-22 | 湖南机油泵股份有限公司 | Oil pump of boss upporting machine |
| CN201209551Y (en) * | 2008-05-30 | 2009-03-18 | 湖南机油泵股份有限公司 | Perforated rotor type lubricating oil pump |
| CN201723266U (en) * | 2010-06-18 | 2011-01-26 | 上海幸福摩托车有限公司 | Oil pump for automobile engine |
| CN202252755U (en) * | 2011-06-24 | 2012-05-30 | 湖南机油泵股份有限公司 | Rotor type engine oil pump |
| CN203231064U (en) * | 2013-04-17 | 2013-10-09 | 浙江三工汽车零部件有限公司 | Oil pump with dust shield |
| US20170184099A1 (en) * | 2015-12-25 | 2017-06-29 | Yamada Manufacturing Co., Ltd. | Oil pump |
| CN209839650U (en) * | 2019-04-08 | 2019-12-24 | 湖南机油泵股份有限公司 | Single-support rotor pump with idle gear |
-
2019
- 2019-04-08 CN CN201910274272.3A patent/CN110094626A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837614A (en) * | 2005-03-23 | 2006-09-27 | 株式会社山田制作所 | Oil pump |
| CN2937557Y (en) * | 2006-08-16 | 2007-08-22 | 湖南机油泵股份有限公司 | Oil pump of boss upporting machine |
| CN201209551Y (en) * | 2008-05-30 | 2009-03-18 | 湖南机油泵股份有限公司 | Perforated rotor type lubricating oil pump |
| CN201723266U (en) * | 2010-06-18 | 2011-01-26 | 上海幸福摩托车有限公司 | Oil pump for automobile engine |
| CN202252755U (en) * | 2011-06-24 | 2012-05-30 | 湖南机油泵股份有限公司 | Rotor type engine oil pump |
| CN203231064U (en) * | 2013-04-17 | 2013-10-09 | 浙江三工汽车零部件有限公司 | Oil pump with dust shield |
| US20170184099A1 (en) * | 2015-12-25 | 2017-06-29 | Yamada Manufacturing Co., Ltd. | Oil pump |
| CN209839650U (en) * | 2019-04-08 | 2019-12-24 | 湖南机油泵股份有限公司 | Single-support rotor pump with idle gear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202209282U (en) | High-cavitation-resistance quick self sucking pump | |
| CN109869621A (en) | A kind of dual-gripper impeller pump with idle gear | |
| KR100772219B1 (en) | Oil feeding structure for scroll compressor | |
| US7290991B2 (en) | Dual oil supply pump | |
| CN201237072Y (en) | Oil pump | |
| JPH109160A (en) | Scroll compressor | |
| JP5880513B2 (en) | Compressor | |
| CN107514538A (en) | A kind of rotor-type oil pump for reducing noise | |
| CN1865706B (en) | Open drive scroll machine | |
| JP2021014801A (en) | Scroll compressor | |
| US7892054B2 (en) | Outboard motor | |
| CN209839650U (en) | Single-support rotor pump with idle gear | |
| CN110094626A (en) | A kind of single support impeller pump with idle gear | |
| CN207230133U (en) | A kind of rotor-type oil pump for reducing noise | |
| JP4646629B2 (en) | Vane rotary air pump | |
| CN209782192U (en) | Double-support rotor pump with idler gear | |
| WO2022048364A1 (en) | Pump device and vehicle | |
| CN212456228U (en) | Large-flow double-section pump | |
| CN211777635U (en) | Structure capable of realizing axial oil outlet of tail part of lubricating oil pump | |
| CN208996956U (en) | Shaft, pump body assembly and compressor | |
| CN103306972B (en) | Combined cam pump rotor, cam pump and emptying sweeping device | |
| JP2000265972A (en) | Fuel pump | |
| CN207230126U (en) | A kind of transmission oil pump and speed changer oil supply system | |
| CN109296920A (en) | It is a kind of to can solve high speed flow rotor-type oil pump more than needed | |
| JP2006177239A (en) | Hermetic compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |