CN207245837U - The planetary gear mechanism of changeable flow water pump - Google Patents
The planetary gear mechanism of changeable flow water pump Download PDFInfo
- Publication number
- CN207245837U CN207245837U CN201721197958.XU CN201721197958U CN207245837U CN 207245837 U CN207245837 U CN 207245837U CN 201721197958 U CN201721197958 U CN 201721197958U CN 207245837 U CN207245837 U CN 207245837U
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- China
- Prior art keywords
- water pump
- planetary gear
- planet carrier
- engine
- motor
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Abstract
A kind of planetary gear mechanism of changeable flow water pump, the utility model includes planetary gear, motor, pump shaft, the side of the planet carrier is installed in the planetary gear, the planet carrier is fixedly connected with the motor shaft, is fixedly connected in sun gear described in the planetary opposite side with the pump shaft；The planetary gear ring drives rotation by belt by the bent axle of engine；The planetary sun gear is fixedly connected with pump shaft；The planetary planet carrier is fixedly connected with motor shaft；The flow of water pump is adjusted according to engine operating condition, water pump there are three kinds of working statuses.Its advantage is that design is reasonable, the flow of water pump can be adjusted according to engine operating condition；After engine stop operation, by motor water pump can be driven to implement postcooling, pump working stability is good.
Description
Technical field
A kind of changeable flow water pump is the utility model is related to, is passed more particularly, to a kind of planetary gear of changeable flow water pump
Motivation structure, belongs to automobile engine manufacturing technology field.
Background technology
The widely used mechanical water pump of water circulation system of automobile engine, also some is using electronic water pump.
Traditional mechanical water pump is directly connected to by belt and engine crankshaft, and pump capacity is determined by the rotating speed of engine
It is fixed, and to be maximum heat dissipation capacity according to needed for engine design the flow of mechanical water pump, when engine work, rotating speed
Height, thus the flow of water pump is excessive, engine is easily cooled excessively, and mechanical water pump cannot be according to engine operating condition to water pump
Flow be adjusted.Since the power of mechanical water pump comes from engine, if engine stall, water pump also with
Stop operating, and engine will persistently give coolant to transmit heat at this time, and coolant may seethe with excitement, and can not realize to cooling
The postcooling of system.
Electronic water pump can be adjusted pump capacity by control system, since the power of electronic water pump comes from electricity
Machine, can control electronic water pump still to work, realize postcooling after engine stall.But the deficiency of electronic water pump
Place is that stability is poor.
Utility model content
In order to overcome existing machinery water pump to be adjusted, can not realized pair to the flow of water pump according to engine operating condition
The postcooling of cooling system, and the deficiency of the stability difference of electronic water pump, the utility model provide a kind of changeable flow water pump
Planetary gear mechanism.
Technical solution is used by the utility model solves its technical problem：A kind of planetary gear of changeable flow water pump
Transmission mechanism includes planetary gear, motor, pump shaft, and the side of the planet carrier, the row are provided with the planetary gear
Carrier is fixedly connected with the motor shaft；Fix and connect in sun gear described in the planetary opposite side and the pump shaft
Connect；The planetary gear ring drives rotation by belt by the bent axle of engine；The planetary sun gear and water
Pump shaft is fixedly connected；The planetary planet carrier is fixedly connected with motor shaft.
The flow of water pump is adjusted according to engine operating condition, water pump has following three kinds of working statuses,
When the engine driving pump operation, water pump disclosure satisfy that cooling cycle requirement, and the motor is in power generation shape
State；
Alternatively, working as the engine driving pump operation, water pump cannot meet cooling cycle requirement, the engine and institute
State motor and drive pump operation jointly；
Alternatively, when the engine stop is run, it is also necessary to which the water pump provides cooling cycle, and the motor drives water pump
Operating.
When the engine driving pump operation, water pump disclosure satisfy that cooling cycle requirement, and the motor is in power generation shape
During state, the engine drives the ring gear against rotation by bent axle, belt, and the gear ring passes sequentially through the planetary gear, too again
Pump shaft described in positive wheel drive rotates；At the same time, the planetary gear passes sequentially through the planet carrier, motor shaft by unnecessary machine
Tool can be converted into electric energy.
When the engine driving pump operation, water pump cannot meet cooling cycle requirement, the engine and the electricity
When machine drives pump operation jointly, the engine drives the ring gear against rotation by bent axle, belt, and the gear ring leads to successively again
Cross the planetary gear, pump shaft rotation described in sun wheel drive；The motor shaft of the motor drives the planet carrier to rotate, described
Planet carrier passes sequentially through the planetary gear, pump shaft rotation described in sun wheel drive again.
When the engine stop is run, it is also necessary to which the water pump provides cooling cycle, and the motor drives pump operation
When, the motor shaft of the motor drives the planet carrier to rotate, and the planet carrier passes sequentially through the planetary gear again, sun gear drives
The dynamic pump shaft rotation.
The sun gear is connected with the pump shaft using flat key or spline.
The motor shaft is connected with the planet carrier using flat key, or the motor shaft uses spline with the planet carrier
Connection.
The motor shaft can also be connected with the spindle nose of the planet carrier by combined cover.In the motor shaft and the row
The end that carrier spindle nose connects, motor shaft, the cylindrical external splines for having size identical of planet carrier spindle nose, the endoporus of the combined cover
Have and the motor shaft, the matched internal spline of planet carrier spindle nose.
The beneficial effects of the utility model are that design is reasonable, the flow of water pump can be adjusted according to engine operating condition
Section；After engine stop operation, by motor water pump can be driven to implement postcooling, pump working stability is good.
Brief description of the drawings
Fig. 1 is the structure diagram I of the planetary gear mechanism of the utility model changeable flow water pump.
Fig. 2 is the structure diagram II of the planetary gear mechanism of the utility model changeable flow water pump.
In figure：1. gear ring, 2. planetary gears, 3. planet carriers, 4. planetary gears, 5. combined covers, 6. motor shafts, 7. belts, 8.
Sun gear, 9. pump shafts.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.But those skilled in the art should
Know, the utility model is not limited to listed embodiment, as long as meeting the spirit of the present invention, should all include
In in the scope of protection of the utility model.
Referring to attached drawing 1,2.The planetary gear 4 of the planetary gear mechanism of the utility model changeable flow water pump includes tooth
The planetary gear 2 installed on circle 1, sun gear 8 and planet carrier 3, the quantity of planetary gear 2 is 3 in the embodiment of the utility model
It is a, but it is not limited to 3.The power of the planetary gear mechanism of the utility model changeable flow water pump from engine and/or
Motor.
The gear ring 1 of the planetary gear 4 drives rotation by belt 7 by the bent axle of engine；The planetary gear 4 is too
Sun wheel 8 is fixedly connected with pump shaft 9；The planet carrier 3 of the planetary gear 4 is fixedly connected with motor shaft 6.In institute in the present embodiment
The side that planetary gear 4 is provided with the planet carrier 3 is stated, planet carrier 3 is fixedly connected with the motor shaft 6；In the planet tooth
Sun gear 8 described in the opposite side of wheel 4 is fixedly connected with the pump shaft 9.
Further, the sun gear 8 is connected with the pump shaft 9 using flat key or spline, and the sun gear 8 drives water pump
Axis 9 rotates.
Further, the motor shaft 6 is fixedly connected with the planet carrier 3 using flat key or spline, and motor drives the row
Carrier 3 rotates.
Further, the motor shaft 6 can also be fixedly connected with the spindle nose of the planet carrier 3 by combined cover 5, and motor drives
The planet carrier 3 is moved to rotate.In the end that the motor shaft 6 connects with 3 spindle nose of planet carrier, motor shaft 6,3 axis of planet carrier
The cylindrical external splines for having size identical of head, the endoporus of the combined cover 5 has to be engaged with the motor shaft 6,3 spindle nose of planet carrier
Internal spline.
The planetary gear mechanism of the utility model changeable flow water pump is controlled by Engine ECU, can be according to hair
The flow of water pump is adjusted in motivation operating mode, and water pump has following three kinds of working statuses,
When the engine work, water pump disclosure satisfy that cooling cycle requirement, and the motor is in the shape that is stopped
State；
Alternatively, work as the engine work, water pump cannot still meet cooling cycle requirement, the engine and described
Motor works at the same time；
Alternatively, when the engine stop works, the water pump it is also required to provide cooling cycle, and the motor drives water pump
Operation.
Work as normal vehicle operation, and engine work disclosure satisfy that cooling requirement, the motor is in charged state
When, the engine drives the gear ring 1 to rotate by bent axle, belt 7, the gear ring 1 pass sequentially through again the planetary gear 2,
Sun gear 8 drives the pump shaft 9 to rotate；At the same time, the planetary gear 2 passes sequentially through the planet carrier 3, motor shaft 6 is incited somebody to action
Unnecessary mechanical energy is converted into electric energy.
Work as high vehicle speeds, when the load of engine is big, required heat dissipation capacity also can be larger, only the engine
Work when can not meet cooling requirement, start motor work, drive the pump shaft to revolve jointly by the engine and motor
Turn, i.e.,：The engine drives the gear ring 1 to rotate by bent axle, belt 7, and the gear ring 1 passes sequentially through the planetary gear again
2nd, sun gear 8 drives the pump shaft 9 to rotate；At the same time, the motor shaft 6 of the motor drives the planet carrier 3 to rotate, institute
State that planet carrier 3 passes sequentially through the planetary gear 2 again, sun gear 8 drives the pump shaft 9 to rotate, the rotating speed of water pump is into one at this time
Step rises, and the flow inside cooling system rises, and heat dissipation capacity increases.
Stop after automobile is in high-speed cruising, the engine stop work, at this time, due to engine cylinder body cylinder cap
Temperature is higher, and engine persistently will transmit heat to coolant, and coolant may seethe with excitement, therefore system still needs cooling,
Pump working is driven by the motor, implements postcooling, i.e., the motor shaft 6 of described motor drives the planet carrier 3 to rotate, institute
State that planet carrier 3 passes sequentially through the planetary gear 2 again, sun gear 8 drives the pump shaft 9 to rotate, pump operation takes away engine
On heat prevent " boiling ".
Above-mentioned engine, the state of motor are implemented to control by Engine ECU according to engine operating condition, by described in control
The rotating speed of pump shaft, adjusts pump capacity, achievees the purpose that indirect control engine cool flow quantity.
It should be noted that above-described embodiment is exemplary rather than limitation the utility model, those skilled in the art can set
Count right of many alternate embodiments without departing from this patent.
Claims (10)
1. a kind of planetary gear mechanism of changeable flow water pump, including planetary gear, motor, pump shaft, it is characterized in that：
The side of the planet carrier is installed in the planetary gear, the planet carrier is fixedly connected with the motor shaft；Institute
Planetary opposite side sun gear is stated to be fixedly connected with the pump shaft；
The planetary gear ring drives rotation by belt by the bent axle of engine；The planetary sun gear and water
Pump shaft is fixedly connected；The planetary planet carrier is fixedly connected with motor shaft.
2. the planetary gear mechanism of changeable flow water pump according to claim 1, it is characterized in that：According to engine operating condition
The flow of water pump is adjusted, water pump has following three kinds of working statuses,
When the engine driving pump operation, water pump disclosure satisfy that cooling cycle requirement, and the motor is in generating state；
Alternatively, working as the engine driving pump operation, water pump cannot meet cooling cycle requirement, the engine and the electricity
Machine drives pump operation jointly；
Alternatively, when the engine stop is run, it is also necessary to which the water pump provides cooling cycle, the motor driving water pump fortune
Turn.
3. the planetary gear mechanism of changeable flow water pump according to claim 2, it is characterized in that：When the engine drives
Dynamic pump operation, water pump disclosure satisfy that cooling cycle requirement, and when the motor is in generating state, the engine passes through song
Axis, belt drive the ring gear against rotation, and the gear ring passes sequentially through the planetary gear again, pump shaft rotation described in sun wheel drive
Turn；At the same time, the planetary gear passes sequentially through the planet carrier, unnecessary mechanical energy is converted into electric energy by motor shaft.
4. the planetary gear mechanism of changeable flow water pump according to claim 2, it is characterized in that：When the engine drives
Dynamic pump operation, water pump cannot meet cooling cycle requirement, when the engine and the motor drive pump operation jointly, institute
State engine and the ring gear against rotation is driven by bent axle, belt, the gear ring passes sequentially through the planetary gear again, sun gear drives
The dynamic pump shaft rotation；The motor shaft of the motor drives the planet carrier to rotate, and the planet carrier passes sequentially through described again
Pump shaft described in planetary gear, sun wheel drive rotates.
5. the planetary gear mechanism of changeable flow water pump according to claim 2, it is characterized in that：When the engine stops
Only running, it is also necessary to the water pump provides cooling cycle, when the motor drives pump operation, the motor shaft driving of the motor
The planet carrier rotates, and the planet carrier passes sequentially through the planetary gear again, pump shaft rotation described in sun wheel drive.
6. according to the planetary gear mechanism of any changeable flow water pumps of claim 3-5, it is characterized in that：The sun
Wheel is connected with the pump shaft using flat key or spline.
7. the planetary gear mechanism of changeable flow water pump according to claim 6, it is characterized in that：The motor shaft and institute
Planet carrier is stated to connect using flat key.
8. the planetary gear mechanism of changeable flow water pump according to claim 6, it is characterized in that：The motor shaft and institute
Planet carrier is stated to connect using spline.
9. the planetary gear mechanism of changeable flow water pump according to claim 6, it is characterized in that：The motor shaft and institute
The spindle nose for stating planet carrier is connected by combined cover.
10. the planetary gear mechanism of changeable flow water pump according to claim 9, it is characterized in that：In the motor shaft
The end to connect with the planet carrier spindle nose, motor shaft, the cylindrical external splines for having size identical of planet carrier spindle nose, the combination
The endoporus of set has and the motor shaft, the matched internal spline of planet carrier spindle nose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197958.XU CN207245837U (en) | 2017-09-19 | 2017-09-19 | The planetary gear mechanism of changeable flow water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197958.XU CN207245837U (en) | 2017-09-19 | 2017-09-19 | The planetary gear mechanism of changeable flow water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245837U true CN207245837U (en) | 2018-04-17 |
Family
ID=61889253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721197958.XU Expired - Fee Related CN207245837U (en) | 2017-09-19 | 2017-09-19 | The planetary gear mechanism of changeable flow water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246409A (en) * | 2019-05-13 | 2019-09-17 | 中广核核电运营有限公司 | A kind of main pump maintenance simulation training device |
-
2017
- 2017-09-19 CN CN201721197958.XU patent/CN207245837U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246409A (en) * | 2019-05-13 | 2019-09-17 | 中广核核电运营有限公司 | A kind of main pump maintenance simulation training device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20200919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |