CN110030208A - A kind of cooling water pump for automobile engine - Google Patents
A kind of cooling water pump for automobile engine Download PDFInfo
- Publication number
- CN110030208A CN110030208A CN201910235707.3A CN201910235707A CN110030208A CN 110030208 A CN110030208 A CN 110030208A CN 201910235707 A CN201910235707 A CN 201910235707A CN 110030208 A CN110030208 A CN 110030208A
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- shaft
- annular
- water pump
- steel ball
- 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
- 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
-
- 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
-
- 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
- F04D29/0467—Spherical 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
- F04D29/06—Lubrication
-
- 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
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings 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 discloses a kind of cooling water pump for automobile engine, it is related to water pump technology, including pump case, shaft is rotatably equipped in the pump case, one end of the shaft is provided with impeller, axle sleeve is arranged with outside the shaft, the surface of the shaft offers annular ball groove, annular slot rolling is offered on the axle sleeve, the annular slot rolling is in the same plane with annular ball groove, annular steel ball rack is installed in the cavity, the side of the steel ball rack is uniformly provided with several circular holes, steel ball is placed in the circular hole, the side of the steel ball is located in annular slot rolling, the other side is located in annular ball groove, several grooves are offered in the axle sleeve, solid lubricant is filled in the groove.Present invention reduces the frictional force between shaft and axle sleeve, avoid the occurrence of the phenomenon that stinging axis, do not need frequently to add lubricating oil, reduce noise when work, reduce the abrasion loss of shaft and axle sleeve, substantially prolong service life.
Description
Technical field
The present invention relates to water pump technologies, more particularly to a kind of cooling water pump for automobile engine.
Background technique
In the cylinder body of automobile engine, there is the water channel of a plurality of Cooling Water circulation, leads to the water tank for being placed in automobile front
It crosses water pipe to be connected, constitutes a big water circulation system, cooling water pump is located at the upper water-out mouth of engine, is passed through by engine
Belt pulley drives, and the hot water in engine cylinder body water channel is pumped out, cold water is pumped into.There is a thermostat beside water pump,
It when automobile just starts when (cold vehicle), does not open, makes cooling water without water tank, only recycled in engine, the temperature to engine
Degree turns on when reaching 95 degree or more, and in-engine hot water is pumped to water tank, and cold wind when automobile front driving blows over water tank, band
Walk heat.Final purpose makes the temperature of engine be in perfect condition always, avoids damaging because of overheat.
Engine drives water pump bearing and wheel rotation by belt pulley, and the coolant liquid in water pump is revolved together by impeller drive
Turn, the edge of water pump cover is thrown toward under the influence of centrifugal force, while generating certain pressure, then from water outlet or water pipe
Outflow.At the center of impeller due to coolant liquid is thrown out of and pressure reduction, the coolant liquid in water tank is in unit fixed on water pump suction and impeller
It is inhaled into impeller under the differential pressure action of the heart through water pipe, realizes the reciprocation cycle of coolant liquid.
In existing cooling water pump, the frictional force between axis and bearing is still larger, and axis needs frequently to add during operation
Lubricating oil reduces frictional force, but the abrasion loss between axis and bearing is still larger, and not only noise is big in the course of work, but also
The service life of water pump can be seriously affected.
Summary of the invention
The technical problem to be solved by the present invention is to, the shortcomings that overcoming the prior art, a kind of automobile engine is provided with cold
But water pump.
In order to solve the above technical problems, technical scheme is as follows:
A kind of cooling water pump for automobile engine, including pump case are rotatably equipped with shaft, one end of the shaft in the pump case
It is provided with impeller, the outer coaxial sleeve of the shaft is equipped with axle sleeve, and Formation cross-section is the cavity of annular, institute between the axle sleeve and shaft
It states the surface that shaft is located in axle sleeve and offers the annular ball groove concentric with shaft, offered on the axle sleeve coaxial with axle sleeve
The annular slot rolling of the heart, the annular slot rolling are in the same plane with annular ball groove, and annular steel ball rack is equipped in the cavity,
The steel ball rack and axle sleeve are coaxially disposed, and the side of the steel ball rack is uniformly provided with several circular holes placed for steel ball, institute
It states and is placed with steel ball in circular hole, the side of the steel ball is located in annular slot rolling, and the other side is located in annular ball groove, the axle sleeve
The upper inside for being located at annular slot rolling offers several grooves, and the groove is connected to annular slot rolling, is filled in the groove
Solid lubricant.
Further, shaft surface is uniformly provided with several annular ball grooves along shaft length direction, and correspondence is opened on axle sleeve
Equipped with the consistent annular slot rolling of annular ball groove quantity.
The contact area of a kind of preceding cooling water pump for automobile engine, solid lubricant and steel ball accounts in axle sleeve
The 25-45% of lateralarea.
A kind of preceding cooling water pump for automobile engine, groove extend to the table of axle sleeve far from one end of annular slot rolling
The outer, coaxial in face, axle sleeve is arranged with oversheath.
A kind of preceding cooling water pump for automobile engine is located on axle sleeve and offers several between annular slot rolling and pass through
Wear the through-hole of axle sleeve.
A kind of preceding cooling water pump for automobile engine, the both ends of axle sleeve offer seal groove, set in seal groove
It is equipped with sealing ring.
A kind of preceding cooling water pump for automobile engine, solid lubricant are molybdenum disulfide or fluorographite.
A kind of preceding cooling water pump for automobile engine, axle sleeve are made of copper.
The beneficial effects of the present invention are:
(1) present invention installs several steel balls between shaft and axle sleeve, makes to be become between shaft and axle sleeve from sliding friction
Rolling friction greatly reduces the frictional force between shaft and axle sleeve；Meanwhile solid lubricant is filled in axle sleeve,
In shaft operation process, friction is generated between steel ball and solid lubricant, makes a part transfer of solid lubricant molecule
To steel ball surface, small not plane is filled and led up, shaft surface is then transferred to by steel ball surface a part, thus in steel ball and shaft
Surface is respectively formed one layer of more stable solid lubricant film, further reduced the frictional force between shaft and axle sleeve, avoids the occurrence of
The phenomenon that stinging axis does not need frequently to add lubricating oil, reduces noise when work, reduce the abrasion loss of shaft and axle sleeve,
Substantially prolong service life；
(2) thin-wall construction can be used in middle (center) bearing of the present invention, light-weight, can reduce mechanical volume, saves space, and greatly reduce
Requirement to shaft hardness, to reduce the difficulty of processing of correlated parts；
(3) contact area of solid lubricant and bearing accounts for the 35-45% of axle sleeve medial surface area in the present invention, ensure that steel
Ball and axle sleeve and shaft lubrication are abundant, to ensure that the stability of operating；
(4) groove in the present invention for filled solid lubriation material extends to the outer surface of axle sleeve, and in the outer surface of axle sleeve
Be arranged with oversheath, oversheath can be dismantled if necessary, add solid lubricant into groove, when guaranteeing long-time after
Lubricant effect；
(5) present invention is also provided with several through-holes on axle sleeve, lubricating fluid can be added into axle sleeve by the through-hole when necessary,
Further increase the lubricant effect of shaft and axle sleeve；
(6) present invention is provided with sealing ring at the both ends of axle sleeve, not only lubriation material can be sealed in axle sleeve by sealing ring
In cavity between shaft, it also can avoid leading to axle sleeve in the cavity that external moisture enters between axle sleeve and shaft or turning
Axis gets rusty.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the connection schematic diagram of shaft and axle sleeve in embodiment 1；
Fig. 3 is the connection schematic diagram of shaft and axle sleeve in embodiment 3；
Fig. 4 is the diagrammatic cross-section of Fig. 3 bottom bracket axle；
Fig. 5 is the connection schematic diagram of shaft and axle sleeve in embodiment 4；
Wherein: 1, pump case；2, axle sleeve；3, shaft；4, impeller；5, cavity；6, annular ball groove；7, annular slot rolling；8, steel ball rack；9,
Steel ball；10, groove；11, solid lubricant；12, oversheath；13, through-hole；14, seal groove；15, sealing ring.
Specific embodiment
It is right below according to specific embodiment and in conjunction with attached drawing to make the contents of the present invention be easier to be clearly understood
The present invention makes further details of explanation.
Embodiment 1: present embodiments providing a kind of cooling water pump for automobile engine, including pump case 1, solid in pump case 1
Dingan County is equipped with copper axle sleeve 2, shaft 3 is coaxially installed in axle sleeve 2, which may be rotatably mounted in axle sleeve 2, shaft 3
Right end is equipped with impeller 4, and the left end of shaft 3 is equipped with gear, and gear is connect by transmission belt with driving motor, and shaft is driven to turn
It is dynamic.
Referring to Fig. 1, the internal diameter of axle sleeve 2 is greater than the outer diameter of shaft 3, to form a section between axle sleeve 2 and shaft 3
For the cavity 5 of annular.It opens up on the surface that shaft 3 is located at 2 inner part of axle sleeve there are two annular ball groove 6, the two annular ball grooves 6
Left end and right end coaxial with shaft 3 and respectively close to axle sleeve 2；Annular slot rolling there are two being opened up on the medial surface of axle sleeve 2
7, the two annular slot rollings 7 it is coaxial with axle sleeve 2 and with 6 He of annular ball groove corresponding with two annular ball grooves 6 respectively, positioned at left side
Annular slot rolling 7 is in the same plane, and is in the same plane positioned at the annular ball groove 6 on right side and annular slot rolling 7.
The steel ball rack 8 of annular is installed, which coaxially sets with shaft 3 in the cavity 5 between axle sleeve 2 and shaft 3
It sets, the mounting means of steel ball rack can refer to the structure of ball bearing, not elaborate herein.It is uniform on the surface of steel ball rack 8
Several circular holes are equipped with, steel ball 9 is placed in these circular holes, the side of steel ball 9 is located in annular ball groove 6, the other side
In annular slot rolling 7, when rotating shaft 3 relative to axle sleeve 2, steel ball is rolled along annular ball groove 6 and annular slot rolling 7, thus
Sliding friction between original shaft 3 and axle sleeve 2 is changed into present rolling friction.
Several grooves 10 are offered in axle sleeve 2, one end of the close shaft 3 of these grooves 10 and annular slot rolling 7 connect
Logical, the other end extends to the lateral surface of axle sleeve 2.Solid lubricant 11, fixation lubrication are filled in these grooves 10
Material is molybdenum disulfide or fluorographite.Wherein, the sum of the area that solid lubricant 11 is contacted with steel ball 9 accounts for 2 inside of axle sleeve
The 25-45% of face area.
Specific works are described as follows: shaft 3 is rotated in axle sleeve 2 by outer power drive, and impeller 4 rotates, in water pump
Coolant liquid is rotated together by impeller drive, is thrown toward the edge of water pump cover under the influence of centrifugal force, while generating centainly
Then pressure is flowed out from water outlet or water pipe；Shaft 3 generates between steel ball 9 and solid lubricant 11 during rotation
Friction, makes a part of 11 molecule of solid lubricant be transferred to 9 surface of steel ball, fills and leads up small not plane, then by 9 table of steel ball
Face a part is transferred to 3 surface of shaft, to be respectively formed one layer of more stable solid lubricant film, pole in steel ball 9 and 3 surface of shaft
The earth reduces frictional force, reduces noise when work, reduces the abrasion loss of shaft 3 Yu axle sleeve 2.
Embodiment 2: present embodiments providing a kind of cooling water pump for automobile engine, exists with the difference of embodiment 1
In, the other end of 2 inner groovy 10 of axle sleeve extends to the lateral surface of axle sleeve 2, it is also arranged with an oversheath 12 in the outside of axle sleeve 2,
The oversheath 12 is detachably socketed in outside axle sleeve 2, can be by oversheath 12 from axle sleeve 2 when needing to add solid lubricant 11
On unload, then solid lubricant 11 is added in groove 10.
Embodiment 3: present embodiments providing a kind of cooling water pump for automobile engine, exists with the difference of embodiment 2
In, it is located among the annular slot rolling 7 of adjacent two on axle sleeve 2 and offers several through-holes 13 for running through axle sleeve 2, if necessary,
Oversheath 12 can be unloaded, lubricating grease or lubricating fluid etc. are added in the cavity 5 between axle sleeve 2 and shaft 3 by through-hole 13, into
One step reduces the frictional force between axle sleeve 2 and shaft 3.It is also provided with seal groove 14 in the left and right ends of 2 medial surface of axle sleeve, close
It is mounted on sealing ring in sealing groove 14, which can seal the left end of cavity 5 between axle sleeve 2 and shaft 3 and right end, not only
Lubriation material can be sealed in the cavity 5 between axle sleeve 2 and shaft 3, also can avoid external moisture and enter axle sleeve 2 and shaft
Axle sleeve 2 or shaft 3 is caused to get rusty in cavity 5 between 3.
Embodiment 4: present embodiments providing a kind of cooling water pump for automobile engine, exists with the difference of embodiment 1
In opening up on the surface that shaft 3 is located at 2 inner part of axle sleeve there are five annular ball groove 6, this five annular ball grooves 6 are uniformly arranged on
The surface of shaft 3 is accordingly opened up on the medial surface of axle sleeve 2 there are five annular slot rolling 7, and which not only adds steel balls 9
Quantity, and the area that solid lubricant 11 is contacted with steel ball 9 is increased, it ensure that the stability of operating.
In addition to the implementation, the present invention can also have other embodiments；It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (8)
1. a kind of cooling water pump for automobile engine, including pump case (1), the pump case (1) is interior to be rotatably equipped with shaft (3), institute
The one end for stating shaft (3) is provided with impeller (4), and the outer coaxial sleeve of the shaft (3) (2) is equipped with axle sleeve (2), it is characterised in that: institute
The cavity (5) that Formation cross-section between axle sleeve (2) and shaft (3) is annular is stated, the shaft (3) is located at the surface in axle sleeve (2)
Offer with shaft (3) concentric annular ball groove (6), the annular concentric with axle sleeve (2) is offered on the axle sleeve (2) and is rolled
Slot (7), the annular slot rolling (7) are in the same plane with annular ball groove (6),
Annular steel ball (9) frame (8) is installed, steel ball (9) frame (8) and axle sleeve (2) are coaxially disposed, institute in the cavity (5)
The side for stating steel ball (9) frame (8) is uniformly provided with several circular holes placed for steel ball (9), is placed with steel ball in the circular hole
(9), the side of the steel ball (9) is located in annular slot rolling (7), and the other side is located in annular ball groove (6),
The inside for being located at annular slot rolling (7) on the axle sleeve (2) offers several grooves (10), the groove (10) and annular
Slot rolling (7) connection, the groove (10) is interior to be filled with solid lubricant (11).
2. a kind of cooling water pump for automobile engine according to claim 1, it is characterised in that: shaft (3) surface
Several annular ball grooves (6) are uniformly provided with along shaft (3) length direction, corresponds to and offers and annular ball on the axle sleeve (2)
The consistent annular slot rolling (7) of slot (6) quantity.
3. a kind of cooling water pump for automobile engine according to claim 2, it is characterised in that: the solid lubricant
(11) 25-45% of axle sleeve (2) medial surface area is accounted for the contact area of steel ball (9).
4. a kind of cooling water pump for automobile engine according to claim 1, it is characterised in that: the groove (10) is separate
One end of annular slot rolling (7) extends to the surface of axle sleeve (2), and the outer, coaxial set (2) of the axle sleeve (2) is equipped with oversheath
(12)。
5. a kind of cooling water pump for automobile engine according to claim 4, it is characterised in that: the axle sleeve (2) is upper
Several through-holes (13) for running through axle sleeve (2) are offered between annular slot rolling (7).
6. a kind of cooling water pump for automobile engine according to claim 1, it is characterised in that: the two of the axle sleeve (2)
End offers seal groove (14), is provided with sealing ring in the seal groove (14).
7. a kind of cooling water pump for automobile engine according to claim 1, it is characterised in that: the solid lubricant
It (11) is molybdenum disulfide or fluorographite.
8. a kind of cooling water pump for automobile engine according to claim 1, it is characterised in that: the axle sleeve (2) is by copper
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235707.3A CN110030208A (en) | 2019-03-27 | 2019-03-27 | A kind of cooling water pump for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235707.3A CN110030208A (en) | 2019-03-27 | 2019-03-27 | A kind of cooling water pump for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110030208A true CN110030208A (en) | 2019-07-19 |
Family
ID=67236670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910235707.3A Pending CN110030208A (en) | 2019-03-27 | 2019-03-27 | A kind of cooling water pump for automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110030208A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020036868A (en) * | 2000-11-11 | 2002-05-17 | 이계안 | Impeller of water pump |
| JP2003269455A (en) * | 2002-03-18 | 2003-09-25 | Nsk Ltd | Slide bearing |
| JP2005133849A (en) * | 2003-10-30 | 2005-05-26 | Nsk Ltd | Bearing device assembly and water pump device |
| JP2006112457A (en) * | 2004-10-12 | 2006-04-27 | Nsk Ltd | Water pump bearing |
| CN201013757Y (en) * | 2007-03-26 | 2008-01-30 | 浙江双飞无油轴承有限公司 | Mosaic type bearing painted with lubricating layer |
| JP2010261548A (en) * | 2009-05-11 | 2010-11-18 | Ntn Corp | Rolling bearing |
| CN202182060U (en) * | 2011-06-24 | 2012-04-04 | 瑞安市万路达汽车部件有限公司 | Cooling water pump of automobile engine |
| CN202402497U (en) * | 2012-01-31 | 2012-08-29 | 沈健龙 | Double-channel rolling bearing |
| CN202597178U (en) * | 2012-06-13 | 2012-12-12 | 浙江三工汽车零部件有限公司 | Automotive engine cooling water pump |
| CN202628799U (en) * | 2012-04-19 | 2012-12-26 | 成都智利达科技有限公司 | Sealed bearing of rolling mill |
| CN203570659U (en) * | 2013-09-23 | 2014-04-30 | 常州市泽盛机械有限公司 | Internal combustion engine cooling water pump for tractor |
| CN203641278U (en) * | 2013-12-30 | 2014-06-11 | 浙江双飞无油轴承股份有限公司 | Solid lubricating bearing with copper-alloy graphite groove |
| CN203926376U (en) * | 2014-05-15 | 2014-11-05 | 杭州杰瑞尔机械制造有限公司 | Deep groove ball bearing |
| CN204164164U (en) * | 2014-10-12 | 2015-02-18 | 绍兴轴研轴承科技有限公司 | A kind of reinforcement lubricating type deep groove ball bearing |
| CN106438443A (en) * | 2016-10-13 | 2017-02-22 | 江西云嘉泵业制造有限公司 | Self-locking type shaft-connection bearing for automobile engine cooling water pump |
| CN209925279U (en) * | 2019-03-27 | 2020-01-10 | 盐城海纳汽车零部件有限公司 | Cooling water pump for automobile engine |
-
2019
- 2019-03-27 CN CN201910235707.3A patent/CN110030208A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020036868A (en) * | 2000-11-11 | 2002-05-17 | 이계안 | Impeller of water pump |
| JP2003269455A (en) * | 2002-03-18 | 2003-09-25 | Nsk Ltd | Slide bearing |
| JP2005133849A (en) * | 2003-10-30 | 2005-05-26 | Nsk Ltd | Bearing device assembly and water pump device |
| JP2006112457A (en) * | 2004-10-12 | 2006-04-27 | Nsk Ltd | Water pump bearing |
| CN201013757Y (en) * | 2007-03-26 | 2008-01-30 | 浙江双飞无油轴承有限公司 | Mosaic type bearing painted with lubricating layer |
| JP2010261548A (en) * | 2009-05-11 | 2010-11-18 | Ntn Corp | Rolling bearing |
| CN202182060U (en) * | 2011-06-24 | 2012-04-04 | 瑞安市万路达汽车部件有限公司 | Cooling water pump of automobile engine |
| CN202402497U (en) * | 2012-01-31 | 2012-08-29 | 沈健龙 | Double-channel rolling bearing |
| CN202628799U (en) * | 2012-04-19 | 2012-12-26 | 成都智利达科技有限公司 | Sealed bearing of rolling mill |
| CN202597178U (en) * | 2012-06-13 | 2012-12-12 | 浙江三工汽车零部件有限公司 | Automotive engine cooling water pump |
| CN203570659U (en) * | 2013-09-23 | 2014-04-30 | 常州市泽盛机械有限公司 | Internal combustion engine cooling water pump for tractor |
| CN203641278U (en) * | 2013-12-30 | 2014-06-11 | 浙江双飞无油轴承股份有限公司 | Solid lubricating bearing with copper-alloy graphite groove |
| CN203926376U (en) * | 2014-05-15 | 2014-11-05 | 杭州杰瑞尔机械制造有限公司 | Deep groove ball bearing |
| CN204164164U (en) * | 2014-10-12 | 2015-02-18 | 绍兴轴研轴承科技有限公司 | A kind of reinforcement lubricating type deep groove ball bearing |
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