CN104895799B - A kind of changeable flow electromagnetic clutch cooling water pump - Google Patents
A kind of changeable flow electromagnetic clutch cooling water pump Download PDFInfo
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- CN104895799B CN104895799B CN201510341682.7A CN201510341682A CN104895799B CN 104895799 B CN104895799 B CN 104895799B CN 201510341682 A CN201510341682 A CN 201510341682A CN 104895799 B CN104895799 B CN 104895799B
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- pump housing
- transmission shaft
- sucker
- cooling water
- fixedly connected
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Abstract
The invention discloses a kind of changeable flow electromagnetic clutch cooling water pumps, it is characterised in that：Further include frictional disk, sucker, retainer ring, core assembly and impeller, the top of its middle friction tray and the bottom resilient of dragging plate connect, dragging plate is internally embedded a magnetic guiding loop, sucker is fixedly connected over pulleys carried, and it is rotatablely connected by a second bearing and transmission shaft, retainer ring is fixedly connected on sucker outer rim, in retainer ring permanent magnetism piece group is equipped with the magnetic guiding loop corresponding position, core assembly is fixedly connected on the pump housing and below sucker, the pump housing has an inner cavity, and impeller is located in the inner cavity of the pump housing and is fixedly connected with transmission shaft.This programme is combined by the electromagnetic force of the permanent magnetic between magnetic guiding loop and retainer ring and core assembly, realizes conversion of the water pump between small-large flow, so as to fulfill energy-saving and emission-reduction, reduces environmental pollution, increasing service life of engine；It solves the problems, such as that magnet assembly is vulnerable in the prior art simultaneously, extends the service life of magnet.
Description
Technical field
The invention belongs to cooling water pump technical fields, and in particular to a kind of changeable flow electromagnetic clutch cooling water pump.
Background technology
With highest attention of the rapid development and people of auto industry to environment, energy-saving and emission-reduction have become Global Auto
One of industry several big themes of greatest concern.At present both at home and abroad, most of water pump is all to use mechanical water pump in automobile engine,
And the temperature for having a big chunk time engine during the entire process of engine work is less than engine work
Optimum temperature still, is all transported no matter engine temperature is how many, common mechanical water pumps with the input speed of engine spindle
Row, is uncontrollable, and not needing to water pump when strength cools down in engine still runs at high speed, and waste of energy increases environmental pollution.
In addition, just as overheat can influence the service life of engine, supercooling can similarly influence the service life of engine.
At present, some motors driving water pump can realize wheel speed control, and application reference number is CN102086799A's
Chinese invention patent discloses a kind of electronic cooling water pump of variable-flow engine, including the pump housing, the axis on the pump housing
Connecting shaft is held, and is respectively arranged on the flange and impeller at shaft connecting bearing both ends, is sequentially connected between flange and belt pulley by clutch,
The clutch includes installing the clutch bearing of belt pulley, be attracted follower plate and belt pulley and making follower plate and skin
Magnet A that belt wheel rotates synchronously and generating after being powered repels each other the coil in magnetic field with magnet A, magnet A and coil set on
On frame, the power on signal input terminal of aforementioned coil and one can acquire engine coolant temperature electronic control unit output
End connection.
The magnet A and coil of above-mentioned cooling water pump are fixed on stent, and coil cap and support assorted are simultaneously pushed down permanent
Magnet, three rivet interlacements of coil cap and stent form coil assembly, that is to say, that magnet A and coil are provided at coil group
In component, such structure arrangement, other than magnet A will reach very high heatproof requirement, the magnetism of magnet A is led in coil
It constantly degenerates in electricity, power-off, finally loses function, the service life of magnet A is low, and magnet A loses magnetism function, does not also just have
Magnetic hysteresis or eddy current effect, it is impossible to realize drag function, also just not realize the function of variable-flow.In order to ensure that water pump is normally transported
Row when magnet A loses magnetism, needs replacing new magnet, increases manufacture cost, while remove and install also sufficiently complex.Together
When the magnet A and equal polarized of coil, this structure arrangement is complicated, to coil connection request height.
Invention content
The present invention seeks to：A kind of simple in structure, energy-saving and emission-reduction, and the changeable flow electromagnetism of magnet service life length are provided
Clutch cooling water pump.
The technical scheme is that：A kind of changeable flow electromagnetic clutch cooling water pump, the transmission shaft erect including one,
And it is sequentially arranged in dragging plate, belt pulley and the pump housing on the transmission shaft from top to bottom, the dragging plate is fixedly connected on biography
On moving axis, the belt pulley is connect with engine, and the pump housing is rotatablely connected with transmission shaft by a clutch shaft bearing, is further included and is rubbed
Disk, sucker, retainer ring, core assembly and impeller are wiped, the top of middle friction tray and the bottom resilient of dragging plate connect, described to drag
Moving plate is internally embedded a magnetic guiding loop, and the sucker is fixedly connected over pulleys carried, and is rotated by a second bearing and transmission shaft
Connection, the retainer ring are fixedly connected on sucker outer rim, and permanent magnetism is equipped with the magnetic guiding loop corresponding position in the retainer ring
Piece group, the core assembly are fixedly connected on the pump housing and below suckers, and the pump housing has an inner cavity, the impeller position
It is fixedly connected in the inner cavity of the pump housing and with transmission shaft.
Preferably, the permanent magnetism piece group includes several permanent magnet pieces, these permanent magnet pieces are circumferentially equally spaced
In retainer ring.
Preferably, the core assembly includes iron core and the coil set on the core interior, and the coil passes through a dragging line
It is connect with an external control device.
Preferably, it can shorten frictional disk by a plane spring elastic connection between the frictional disk and dragging plate and drag
Spacing between Moving plate, and device overall stability can be improved.
Preferably, the pump housing includes first pump housing and second pump housing, and first pump housing is located at the top of second pump housing,
Sealing structure for water is equipped between first pump housing and transmission shaft, water pump can be effectively prevent to leak.
Preferably, the impeller is fixedly connected with transmission shaft interference fit, simple in structure.
Preferably, a leakage field slot is offered towards the position of core assembly on the sucker, the suction of core assembly can be increased
Attached ability.
Preferably, the combination bearing that the clutch shaft bearing is formed for cylinder roller bearing and deep groove ball bearing, described second
Bearing is rolling bearing.
The concrete operations principle of the present invention is as follows：
（1）Impeller low-speed running：When engine water temperature is less than design temperature, core assembly is not powered on, belt pulley, suction
Disk, retainer ring rotate at full speed with engine, and the magnetic line of force of permanent magnetism piece group generates electricity in the magnetic guiding loop cutting retainer ring in dragging plate
Vortex, current vortex generate new magnetic field, and dragging plate drives transmission shaft lag low-speed running under the magnetic field force in new magnetic field, connects at this time
The impeller on transmission shaft is connected on also with low-speed running, 30~50% rotating speeds of full speed is finally reached, realizes that the water of small flow follows
Ring.
（2）Impeller runs at high speed：When engine temperature reaches set temperature, core assembly be powered, belt pulley, sucker,
Retainer ring rotates at full speed with engine, coil generating electromagnetic power, and the elastic force that frictional disk overcomes plane spring is made to be attracted onto sucker,
Frictional disk is connect by plane spring with dragging plate, so as to make sucker that dragging plate and transmission shaft directly be driven to rotate at full speed, connection
Impeller on transmission shaft also rotates at full speed, realizes big flow cycle, and engine accelerates cooling；When engine temperature is less than setting
During temperature, core assembly dead electricity, frictional disk is detached with sucker, and impeller is restored to low-speed running state, realizes small flow cycle.
It is an advantage of the invention that：
1. the changeable flow electromagnetic clutch cooling water pump of the present invention, passes through the permanent magnetic between magnetic guiding loop and permanent magnetism piece group
And the electromagnetic force of core assembly is implemented in combination with conversion of the water pump between small-large flow, so as to fulfill energy-saving and emission-reduction, reduces environment
Pollution, increasing service life of engine；
2. the present invention solves the problems, such as that magnet assembly is vulnerable in the prior art, the service life of magnet can be extended.
3. the permanent magnetism piece group of the present invention is installed on by retainer ring in sucker outer rim, simple in structure, remove and install conveniently.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments：
Fig. 1 is a kind of structure sectional view of changeable flow electromagnetic clutch cooling water pump embodiment of the present invention.
Fig. 2 is the retainer ring structure chart in Fig. 1.
Wherein：1st, transmission shaft；2nd, dragging plate；3rd, magnetic guiding loop；4th, plane spring；5th, frictional disk；6th, permanent magnetism piece group；7th, it is fixed
Ring；8th, sucker；9th, second bearing；10th, coil；11st, iron core；12nd, dragging line；13rd, belt pulley；14th, clutch shaft bearing；15th, the first pump
Body；16th, sealing structure for water；17th, impeller；18th, second pump housing；19th, the pump housing.
Specific embodiment
Embodiment：With reference to shown in Fig. 1, a kind of changeable flow electromagnetic clutch cooling water pump, the transmission shaft erect including one
1 and the dragging plate 2, belt pulley 13 and the pump housing 19 that are sequentially arranged in from top to bottom on the transmission shaft 1, the dragging plate 2 fix
It is connected on transmission shaft 1, the belt pulley 13 is connect with engine, and the pump housing 19 passes through a clutch shaft bearing 14 with transmission shaft 1
Rotation connection, further includes frictional disk 5, sucker 8, retainer ring 7, core assembly and impeller 17, the top of middle friction tray 5 and dragging
The bottom resilient connection of disk 2, the dragging plate 2 are internally embedded a magnetic guiding loop 3, and the sucker 8 is fixedly connected on belt pulley 13,
And be rotatablely connected by a second bearing 9 with transmission shaft 1, the retainer ring 7 is fixedly connected on 8 outer rim of sucker, in the fixation
Permanent magnetism piece group 6 is equipped with 3 corresponding position of magnetic guiding loop on ring 7, the core assembly is fixedly connected on the pump housing 19 and is located at
8 lower section of sucker, the pump housing 19 have an inner cavity, and the impeller 17 is located in the inner cavity of the pump housing 19 and is fixed with transmission shaft 1 and connected
It connects.
Permanent magnetism piece group 6 includes several permanent magnet pieces, these permanent magnet pieces are circumferentially equally spaced in retainer ring 7,
As shown in Figure 2.
Core assembly includes iron core 11 and the coil 10 set on the iron core 11 inside, the coil 10 by a dragging line 12 and
One external control device（It is not drawn on figure）Connection.
Pass through 4 elastic connection of a plane spring between frictional disk 5 and dragging plate 2.
The pump housing 19 includes first pump housing 15 and second pump housing 18, and first pump housing 15 is located at the top of second pump housing 18,
Iron core 11 is fixedly connected on first pump housing 15, and sealing structure for water 16 is equipped between first pump housing 15 and transmission shaft 1, effectively prevent water
Bump leakage；Impeller 17 is located at the inside of first pump housing 15 and second pump housing 18.
Impeller 17 is fixedly connected with the interference fit of transmission shaft 1.
A leakage field slot is offered towards the position of core assembly on sucker 8, increases the adsorption capacity of core assembly.
The combination bearing that clutch shaft bearing 14 is formed for cylinder roller bearing and deep groove ball bearing, first pump housing 15 and transmission shaft
1 is connected by combination bearing 14, and the second bearing 9 is rolling bearing.
The concrete operations principle of the present invention is as follows：
（1）17 low-speed running of impeller：When engine water temperature is less than design temperature, core assembly is not powered on, belt pulley 13,
Sucker 8 and retainer ring 7 rotate at full speed with engine, and the magnetic guiding loop 3 in dragging plate 2 cuts the magnetic of the permanent magnetism piece group 6 in retainer ring 7
The line of force generates current vortex, and current vortex generates new magnetic field, and dragging plate 2 drives transmission shaft 1 to lag low under the magnetic field force in new magnetic field
Impeller 17 on transmission shaft 1 also low-speed running is fixed in speed operating at this time, is finally reached 30~50% rotating speeds of full speed, is realized small
The water cycle of flow.
（2）Impeller 17 runs at high speed：When engine temperature reaches set temperature, core assembly is powered, and belt pulley 13 is inhaled
Disk 8 and retainer ring 7 rotate at full speed with engine, and coil 10 generates electromagnetic force, inhales the elastic force that frictional disk 5 overcomes plane spring 4
It closes on sucker 8, frictional disk 5 is connect by plane spring 4 with dragging plate 2, so as to which sucker 8 be made directly to drive dragging plate 2 and passed
Moving axis 1 rotates at full speed, and the impeller 17 being fixed on transmission shaft 1 also rotates at full speed, realizes big flow cycle, and engine accelerates cold
But；When engine temperature is less than set temperature, core assembly dead electricity, frictional disk 5 is detached with sucker 8, and impeller 17 is restored to low
Fast operating condition realizes small flow cycle.
It in above-mentioned 17 low-speed running of impeller and runs at high speed under state, core assembly and the pump housing 19 do not rotate.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique
People can understand present disclosure and implement according to this, it is not intended to limit the scope of the present invention.It is all according to this hair
The modification that the Spirit Essence of bright main technical schemes is done, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of changeable flow electromagnetic clutch cooling water pump, the transmission shaft (1) erect including one and set successively from top to bottom
In dragging plate (2), belt pulley (13) and the pump housing (19) on the transmission shaft (1), the dragging plate (2) is fixedly connected on transmission
On axis (1), the belt pulley (13) connect with engine, and the pump housing (19) passes through a clutch shaft bearing (14) with transmission shaft (1)
Rotation connection, it is characterised in that：Frictional disk (5), sucker (8), retainer ring (7), core assembly and impeller (17) are further included, wherein
The top of frictional disk (5) is connect with the bottom resilient of dragging plate (2), and the dragging plate (2) is internally embedded a magnetic guiding loop (3), institute
It states sucker (8) to be fixedly connected on belt pulley (13), and is rotatablely connected by a second bearing (9) and transmission shaft (1), it is described solid
Determine ring (7) and be fixedly connected on sucker (8) outer rim and positioned at magnetic guiding loop (3) periphery, and be equipped in the retainer ring (7) with leading
The permanent magnetism piece group (6) of magnet ring (3) diametrically, the permanent magnetism piece group (6) include several permanent magnet pieces, these permanent magnet pieces edges
It is circumferentially equally spaced in retainer ring (7), the core assembly is fixedly connected on the pump housing (19) and under sucker (8)
Side, the pump housing (19) have an inner cavity, and the impeller (17) fixes company in the inner cavity of the pump housing (19) and with transmission shaft (1)
It connects.
2. a kind of changeable flow electromagnetic clutch cooling water pump according to claim 1, it is characterised in that：The iron core group
Part includes iron core (11) and set on the internal coil (10) of the iron core (11), the coil (10) by a dragging line (12) and one outside
Put control device connection.
3. a kind of changeable flow electromagnetic clutch cooling water pump according to claim 1, it is characterised in that：The frictional disk
(5) pass through a plane spring (4) elastic connection between dragging plate (2).
4. a kind of changeable flow electromagnetic clutch cooling water pump according to claim 1, it is characterised in that：The pump housing
(19) including first pump housing (15) and second pump housing (18), first pump housing (15) is positioned at the top of second pump housing (18), and
Sealing structure for water (16) is equipped between one pump housing (15) and transmission shaft (1).
5. a kind of changeable flow electromagnetic clutch cooling water pump according to claim 1, it is characterised in that：The impeller
(17) it is fixedly connected with transmission shaft (1) interference fit.
6. a kind of changeable flow electromagnetic clutch cooling water pump according to claim 1, it is characterised in that：The sucker
(8) on a leakage field slot is offered towards the position of core assembly.
7. a kind of changeable flow electromagnetic clutch cooling water pump according to claim 1, it is characterised in that：The first axle
The combination bearing that (14) are formed for cylinder roller bearing and deep groove ball bearing is held, the second bearing (9) is rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510341682.7A CN104895799B (en) | 2015-06-18 | 2015-06-18 | A kind of changeable flow electromagnetic clutch cooling water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510341682.7A CN104895799B (en) | 2015-06-18 | 2015-06-18 | A kind of changeable flow electromagnetic clutch cooling water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104895799A CN104895799A (en) | 2015-09-09 |
| CN104895799B true CN104895799B (en) | 2018-06-22 |
Family
ID=54028682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510341682.7A Active CN104895799B (en) | 2015-06-18 | 2015-06-18 | A kind of changeable flow electromagnetic clutch cooling water pump |
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| Country | Link |
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| CN (1) | CN104895799B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930581A (en) * | 2018-06-25 | 2018-12-04 | 嘉兴兴涛汽车零部件有限公司 | A kind of commercial vehicle water pump differential control system |
| CN108916263B (en) * | 2018-09-21 | 2023-07-04 | 富奥汽车零部件股份有限公司 | Electromagnetic clutch variable water pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201513228U (en) * | 2009-09-04 | 2010-06-23 | 昆山隆中麦士格瑞汽车部件有限公司 | Two-speed electromagnetic water pump fan clutch |
| CN101782012A (en) * | 2009-01-18 | 2010-07-21 | 龙口市汽车风扇离合器厂 | Permanent-magnet electromagnetic clutch |
| CN102072170A (en) * | 2009-11-23 | 2011-05-25 | 昆山隆中麦士格瑞汽车部件有限公司 | Electromagnetic clutch water pump |
| CN204082295U (en) * | 2014-07-09 | 2015-01-07 | 昆山隆中麦士格瑞汽车部件有限公司 | A kind of changeable flow magnetic clutch cooling waterpump |
| CN204827945U (en) * | 2015-06-18 | 2015-12-02 | 昆山隆中麦士格瑞汽车部件有限公司 | Variable flow electromagnetic clutch cooling water pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010265837A (en) * | 2009-05-15 | 2010-11-25 | Toyota Motor Corp | Water pump |
-
2015
- 2015-06-18 CN CN201510341682.7A patent/CN104895799B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782012A (en) * | 2009-01-18 | 2010-07-21 | 龙口市汽车风扇离合器厂 | Permanent-magnet electromagnetic clutch |
| CN201513228U (en) * | 2009-09-04 | 2010-06-23 | 昆山隆中麦士格瑞汽车部件有限公司 | Two-speed electromagnetic water pump fan clutch |
| CN102072170A (en) * | 2009-11-23 | 2011-05-25 | 昆山隆中麦士格瑞汽车部件有限公司 | Electromagnetic clutch water pump |
| CN204082295U (en) * | 2014-07-09 | 2015-01-07 | 昆山隆中麦士格瑞汽车部件有限公司 | A kind of changeable flow magnetic clutch cooling waterpump |
| CN204827945U (en) * | 2015-06-18 | 2015-12-02 | 昆山隆中麦士格瑞汽车部件有限公司 | Variable flow electromagnetic clutch cooling water pump |
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| CN104895799A (en) | 2015-09-09 |
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