CN113685256A - Novel silicon oil water pump - Google Patents
Novel silicon oil water pump Download PDFInfo
- Publication number
- CN113685256A CN113685256A CN202110802200.9A CN202110802200A CN113685256A CN 113685256 A CN113685256 A CN 113685256A CN 202110802200 A CN202110802200 A CN 202110802200A CN 113685256 A CN113685256 A CN 113685256A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- bearing
- driven plate
- conductive ring
- silicone oil
- 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
- 239000003921 oil Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 9
- 239000010703 silicon Substances 0.000 title claims abstract description 9
- 238000004663 powder metallurgy Methods 0.000 claims abstract description 5
- 229920002545 silicone oil Polymers 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000004512 die casting Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a novel silicon oil water pump, and relates to the field of automobile engine cooling system components. This novel silicon oil water pump, including the protecgulum, one side of protecgulum is provided with the driven plate, the middle part fixedly connected with step shaft of driven plate, one side of driven plate is provided with A face labyrinth groove, the opposite side of driven plate is provided with B face labyrinth groove, the one end fixedly connected with impeller of step shaft, two fixedly connected with bearings in the outside of step shaft, the lid behind the outside fixedly connected with of bearing. Through adopting whole height to reduce behind the two-sided labyrinth groove structure, the axle also correspondingly subtracts the weak point to simplified the assembly, increased the load life-span of axle, interior magnetic conductive ring adopts powder metallurgy one shot forming with outer magnetic conductive ring, need not the welding, and the size is accurate, and the cycle is short, and the magnetic line of force does not have the dispersion, and magnetic force is reliable and stable, and split type DC bearing seal reliability is higher, and the cost is lower than the axle and holds.
Description
Technical Field
The invention relates to the field of automobile engine cooling system components, in particular to a novel silicon oil pump.
Background
The automobile engine widely adopts a centrifugal water pump, the basic structure of which comprises parts such as a water pump shell, a connecting disc or a belt pulley, a water pump shaft and a bearing or a shaft connecting bearing, a water pump impeller, a water seal device and the like, and the centrifugal water pump is a main component of the automobile.
Patent document CN202010145387.5 discloses an electric control silicone oil clutch for a mechanical water pump of an internal combustion engine, which comprises a driving part, a driven part and other structures, and better meets the requirement of the internal combustion engine on the control response time of the electric control silicone oil clutch; patent document CN200710157039.4 discloses an electronic silicon oil clutch water pump, which comprises a water pump body, a front cover, an oil storage cover, a shaft coupling bearing and an impeller.
The prior art has the following problems:
1. the product has large overall dimension: a) the requirement of the same torque is met, the product structure of the single-side labyrinth groove is larger in overall dimension than the structure of the double-side labyrinth groove, the product rotation stability is poor, and boundary interference can occur in severe cases; b) the service life is influenced due to the overlong shaft; c) the manufacturing cost is high.
2. The current general structure is an all-steel structure, and the magnetism isolating part adopts stainless steel splicing and is welded into a whole, and the defects are as follows: a) the all-steel body structure: the product is too heavy, and the rotation stability of the product is seriously influenced; b) the all-steel body structure: magnetic force lines are dispersed, and the magnetic force is weakened, so that a valve port switch is unstable, and a product is unqualified; c) poor weldability and high rejection rate: the welding stress can cause cracks and oil leakage, and the product is unqualified; d) poor manufacturability, long manufacturing cycle: the steel part blank is finished, the processing amount is large, and the consumed time is long.
3. The general structure that adopts in the existing market is "axle connection bearing", has several following shortcomings:
a) insufficient radial load: the shaft diameter of the shaft connecting bearing cannot be made larger under the condition of a certain installation size, so that the load of the shaft is hidden; b) unreliable sealing: the sealing ring of the shaft coupling bearing has no reliable installation method and detection method; c) the assembly is difficult: because the shaft diameter of the shaft connecting bearing is smaller, the requirement of load is considered, the shaft can not realize a positioning step, and the requirement on the depth positioning of press-fitting equipment is high during assembly; d) short service life: because the shaft diameter is slightly small, the high-load operation is carried out for a long time, and the failure is accelerated; e) the price is high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a novel silicon oil water pump, which solves the problems of large overall dimension, unstable all-steel structure and insufficient radial load.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a novel silicon oil water pump, includes the protecgulum, one side of protecgulum is provided with the driven plate, the middle part fixedly connected with step shaft of driven plate, one side of driven plate is provided with A face labyrinth groove, the opposite side of driven plate is provided with B face labyrinth groove, one side in B face labyrinth groove is connected with the separation disc, the one end fixedly connected with impeller of step shaft, the outside fixedly connected with bearing two of step shaft, the outside fixedly connected with spiral case of bearing two, the adjacent bearing two fixedly connected with bearing one in the outside of step shaft, the lid behind the outside fixedly connected with of bearing one, the outer magnetic ring of middle part one side fixedly connected with of back lid, magnetic ring in the middle part opposite side fixedly connected with of back lid, be provided with the yoke between outer magnetic ring and the interior magnetic ring.
Preferably, a pulley is connected to the outer side of the front cover through a bolt.
Preferably, the rear cover is formed by insert aluminum die-casting.
Preferably, the outer magnetic conductive ring and the inner magnetic conductive ring are formed in one step by powder metallurgy.
Preferably, the first bearing and the second bearing are both split DC bearings.
Preferably, a communication hole is formed in the middle of the rear cover.
Preferably, the adjacent sides of the front cover and the partition plate are provided with labyrinth grooves.
Preferably, the magnetic poles of the magnetic yoke are distributed along the axial direction of the stepped shaft.
The working principle is as follows: the belt pulley passes through the polywedge bet with the engine train and is connected, and rotational speed and engine train keep synchronous, passes through the temperature signal that temperature sensor gathered the engine by ECU, gives corresponding instruction: starting cooling: the magnetic yoke obtains PWM voltage to generate magnetic force, the oil outlet valve port is opened, the oil return valve port is closed, oil in the oil storage cavity rapidly enters the working cavity, the product is in a bonding state, and the impeller starts to normally rotate to apply work; and (3) closing cooling: the magnetic yoke cuts off PWM voltage, loses magnetic force, and the valve port that produces oil closes, and the valve port that returns oil opens, and the oil of working chamber gets into the oil storage chamber fast, and the product is in the separation state, and the impeller begins to get into low-speed energy-conserving state.
(III) advantageous effects
The invention provides a novel silicone oil water pump. The method has the following beneficial effects:
1. according to the invention, the A-surface labyrinth groove is formed in one side of the driven plate, the B-surface labyrinth groove is formed in the other side of the driven plate, the overall dimension of the product can be smaller under the condition that the double-surface labyrinth groove structure meets the same torque, the manufacturing cost is saved, the overall height is reduced after the double-surface labyrinth groove structure is adopted, and the shaft is correspondingly shortened, so that the assembly is simplified, and the load life of the shaft is prolonged.
2. The rear cover is fixedly connected to the outer side of the bearing I, the outer magnetic conduction ring is fixedly connected to one side of the middle of the rear cover, the inner magnetic conduction ring is fixedly connected to the other side of the middle of the rear cover, the rear cover is formed by insert aluminum die-casting, the product is light in weight, good in processing performance, short in period and stable in forming, the inner magnetic conduction ring and the outer magnetic conduction ring are formed in one step by powder metallurgy, welding is not needed, the size is accurate, the period is short, magnetic force lines are not dispersed, and the magnetic force is stable and reliable.
3. According to the invention, the stepped shaft is fixedly connected to the middle part of the driven plate, the impeller is fixedly connected to one end of the stepped shaft, the bearing II is fixedly connected to the outer side of the stepped shaft, the bearing I is fixedly connected to the adjacent bearing II on the outer side of the stepped shaft, the stepped shaft is adopted, the load reliability is effectively improved, the sealing reliability of the split type DC bearing is higher, and the cost is lower than that of a shaft-connected bearing.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a stepped shaft structure according to the present invention;
FIG. 4 is a schematic view of the rear cover structure of the present invention;
FIG. 5 is a schematic view of the construction of a driven plate according to the present invention;
FIG. 6 is a schematic view of the magnetic circuit of the present invention;
fig. 7 is an enlarged view of a portion a of fig. 6.
Wherein, 1, impeller; 2. a volute; 3. a belt pulley; 4. a rear cover; 5. a separation disc; 6. a front cover; 7. a stepped shaft; 8. a first bearing; 9. a driven plate; 10. a second bearing; 11. a magnetic yoke; 12. an outer magnetically conductive ring; 13. an inner magnetic conductive ring; 14. a labyrinth groove on the surface B; 15. a surface A labyrinth groove; 16. a communicating hole; 17. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-7, an embodiment of the present invention provides a novel silicone oil water pump, including a front cover 6, a driven plate 9 is disposed on one side of the front cover 6, a stepped shaft 7 is fixedly connected to the middle portion of the driven plate 9, an a-side labyrinth groove 15 is disposed on one side of the driven plate 9, and a B-side labyrinth groove 14 is disposed on the other side of the driven plate 9, where the double-side labyrinth groove structure satisfies the same torque, the overall size of the product can be smaller, the manufacturing cost is saved, the overall height is reduced by adopting the double-side labyrinth groove structure, the shaft is correspondingly shortened, thereby simplifying assembly, increasing the load life of the shaft, a partition plate 5 is connected to one side of the B-side labyrinth groove 14, an impeller 1 is fixedly connected to one end of the stepped shaft 7, a second bearing 10 is fixedly connected to the outer side of the stepped shaft 7, a volute 2 is fixedly connected to the outer side of the second bearing 10, a first bearing 8 is fixedly connected to the outer side of the stepped shaft 7, the outer side of the bearing I8 is fixedly connected with a rear cover 4, one side of the middle of the rear cover 4 is fixedly connected with an outer magnetic conductive ring 12, the other side of the middle of the rear cover 4 is fixedly connected with an inner magnetic conductive ring 13, a magnet yoke 11 is arranged between the outer magnetic conductive ring 12 and the inner magnetic conductive ring 13, magnetic force lines are not dispersed, and magnetic force is stable and reliable.
The outside of protecgulum 6 is connected with belt pulley 3 through bolt 17, and belt pulley 3 passes through the V-ribbed belt with the engine train and is connected, and rotational speed and engine train keep synchronous, passes through the temperature signal of temperature sensor collection engine by ECU, gives corresponding instruction: starting cooling: the magnetic yoke 11 obtains PWM voltage to generate magnetic force, the oil outlet valve port is opened, the oil return valve port is closed, oil in the oil storage cavity rapidly enters the working cavity, a product is in a bonding state, and the impeller 1 starts to normally rotate to apply work; and (3) closing cooling: the magnetic yoke 11 cuts off the PWM voltage, loses magnetic force, the oil outlet valve port is closed, the oil return valve port is opened, oil in the working cavity rapidly enters the oil storage cavity, the product is in a separation state, and the impeller 1 begins to enter a low-speed energy-saving state.
The rear cover 4 is formed by insert aluminum die-casting, and the product has the advantages of light weight, good processing performance, short period and stable formation.
The outer magnetic conductive ring 12 and the inner magnetic conductive ring 13 are formed in one step by powder metallurgy, welding is not needed, the size is accurate, and the period is short.
The first bearing 8 and the second bearing 10 are split DC bearings, the stepped shaft 7 is adopted, load reliability is effectively improved, the split DC bearings (DC silicone oil special bearings) are higher in sealing reliability, and the cost is lower than that of shaft connection bearings.
The middle part of the rear cover 4 is provided with a communication hole 16, which is convenient for the installation of the rear cover 4.
The adjacent sides of the front cover 6 and the partition plate 5 are provided with labyrinth grooves, so that the front cover 6 and the partition plate 5 are connected through a driven plate 9.
The magnetic poles of the yoke 11 are distributed along the axial direction of the stepped shaft 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel silicon oil water pump, includes protecgulum (6), its characterized in that: a driven plate (9) is arranged on one side of the front cover (6), a stepped shaft (7) is fixedly connected to the middle of the driven plate (9), an A-surface labyrinth groove (15) is arranged on one side of the driven plate (9), a B-surface labyrinth groove (14) is arranged on the other side of the driven plate (9), a partition plate (5) is connected to one side of the B-surface labyrinth groove (14), an impeller (1) is fixedly connected to one end of the stepped shaft (7), a bearing II (10) is fixedly connected to the outer side of the stepped shaft (7), a volute (2) is fixedly connected to the outer side of the bearing II (10), a bearing I (8) is fixedly connected to the adjacent bearing II (10) on the outer side of the stepped shaft (7), a rear cover (4) is fixedly connected to the outer side of the bearing I (8), and an outer magnetic conduction ring (12) is fixedly connected to one side of the middle of the rear cover (4), the other side of the middle part of the rear cover (4) is fixedly connected with an inner magnetic conductive ring (13), and a magnet yoke (11) is arranged between the outer magnetic conductive ring (12) and the inner magnetic conductive ring (13).
2. The novel silicone oil pump of claim 1, wherein: the outer side of the front cover (6) is connected with a belt pulley (3) through a bolt (17).
3. The novel silicone oil pump of claim 1, wherein: the rear cover (4) is formed by insert aluminum die-casting.
4. The novel silicone oil pump of claim 1, wherein: the outer magnetic conductive ring (12) and the inner magnetic conductive ring (13) are formed in one step by powder metallurgy.
5. The novel silicone oil pump of claim 1, wherein: the first bearing (8) and the second bearing (10) are both split type DC bearings.
6. The novel silicone oil pump of claim 1, wherein: the middle part of the rear cover (4) is provided with a communication hole (16).
7. The novel silicone oil pump of claim 1, wherein: the adjacent sides of the front cover (6) and the partition plate (5) are provided with labyrinth grooves.
8. The novel silicone oil pump of claim 1, wherein: the magnetic poles of the magnetic yoke (11) are distributed along the axial direction of the stepped shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802200.9A CN113685256A (en) | 2021-07-15 | 2021-07-15 | Novel silicon oil water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110802200.9A CN113685256A (en) | 2021-07-15 | 2021-07-15 | Novel silicon oil water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113685256A true CN113685256A (en) | 2021-11-23 |
Family
ID=78577231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110802200.9A Pending CN113685256A (en) | 2021-07-15 | 2021-07-15 | Novel silicon oil water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113685256A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336003A (en) * | 2023-05-16 | 2023-06-27 | 苏州奥沃汽车配件有限公司 | Magnetism isolating shell component in electric control silicone oil water pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059153A (en) * | 2006-04-17 | 2007-10-24 | 五龙控股有限公司 | Silicon oil fan clutch |
| CN202756076U (en) * | 2012-09-20 | 2013-02-27 | 雪龙集团股份有限公司 | Electronically controlled silicon oil fan clutch |
| CN204371987U (en) * | 2014-12-19 | 2015-06-03 | 雪龙集团股份有限公司 | A kind ofly be separated the controlled silicon oil filled fan clutch of rotating speed |
| CN212563433U (en) * | 2020-07-16 | 2021-02-19 | 江苏睿昕联合汽车科技集团有限公司 | Electrically-controlled silicon oil-water pump clutch |
| CN112943439A (en) * | 2021-04-23 | 2021-06-11 | 苏州睿昕汽车配件有限公司 | Split type automatically controlled silicon oil clutch water pump |
-
2021
- 2021-07-15 CN CN202110802200.9A patent/CN113685256A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059153A (en) * | 2006-04-17 | 2007-10-24 | 五龙控股有限公司 | Silicon oil fan clutch |
| CN202756076U (en) * | 2012-09-20 | 2013-02-27 | 雪龙集团股份有限公司 | Electronically controlled silicon oil fan clutch |
| CN204371987U (en) * | 2014-12-19 | 2015-06-03 | 雪龙集团股份有限公司 | A kind ofly be separated the controlled silicon oil filled fan clutch of rotating speed |
| CN212563433U (en) * | 2020-07-16 | 2021-02-19 | 江苏睿昕联合汽车科技集团有限公司 | Electrically-controlled silicon oil-water pump clutch |
| CN112943439A (en) * | 2021-04-23 | 2021-06-11 | 苏州睿昕汽车配件有限公司 | Split type automatically controlled silicon oil clutch water pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336003A (en) * | 2023-05-16 | 2023-06-27 | 苏州奥沃汽车配件有限公司 | Magnetism isolating shell component in electric control silicone oil water pump |
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Application publication date: 20211123 |