CN108119391A - Water pump and vehicle - Google Patents
Water pump and vehicle Download PDFInfo
- Publication number
- CN108119391A CN108119391A CN201611077859.8A CN201611077859A CN108119391A CN 108119391 A CN108119391 A CN 108119391A CN 201611077859 A CN201611077859 A CN 201611077859A CN 108119391 A CN108119391 A CN 108119391A
- Authority
- CN
- China
- Prior art keywords
- inner shaft
- water pump
- shaft
- impeller
- centre operation
- 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.)
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Classifications
-
- 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
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of water pump and vehicle, water pump includes：Spindle assemblies；Countershaft component, the countershaft component include：Secondary inner shaft and secondary outer shaft, the pair inner shaft are arranged on inside the secondary outer shaft and are connected with the spindle assemblies, and the relatively described spindle assemblies of pair inner shaft and the secondary outer shaft are circumferentially fixed and axially movable；Impeller, the impeller are connected in the secondary inner shaft；Off-centre operation, the outer edge of the off-centre operation are only against in the secondary inner shaft when rotating the secondary inner shaft and the impeller to be driven to move axially.When off-centre operation rotates, the position for only supporting secondary inner shaft constantly changes, and the secondary relatively main inner shaft of inner shaft and secondary outer shaft can move axially, secondary inner shaft can be moved axially with impeller, so as to change the contact area of impeller and water, and then the water pumping amount of water pump can be adjusted, the water pumping amount of water pump can be caused to meet the demand of the different operating modes of engine.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of water pump and the vehicle with the water pump.
Background technology
As present oil consumption and emission regulation are more and more stringenter, it is very urgent to promote the thermal management capabilities of engine, especially
It is under the cold conditions operating mode of engine --- and related document shows that the discharge capacity in engine warm-up 30s accounts for entire NEDC
More than the 90% of (the new European standard driving patterns of New European Driving Cycle-) cycle bleeder amount, brings simultaneously
High oil consumption.So there is an urgent need for improve for engine cold-start operating mode or the burning of cold conditions operating mode.
In addition, the water supply capacity of water pump with meet engine it is most harsh when load condition requirement and be designed, this
Mean that the water pumping ability of water pump and the cooling capacity and mismatch needed for engine in other most of condition ranges, this
The extra water supply of sample one side adds engine energy consumption, and the optimization of another aspect engine cool is not also accomplished to become more meticulous,
The operating mode variation of engine is not adapted to (water pump water supply is only related with engine speed).
The content of the invention
In view of this, the present invention is directed to propose a kind of water pump, the work of engine is not adapted to the water pumping amount for solving water pump
The problem of condition changes.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of water pump, including：Spindle assemblies；Countershaft component, the countershaft component include：Secondary inner shaft and secondary outer shaft, it is described
Secondary inner shaft is arranged on inside the secondary outer shaft and is connected with the spindle assemblies, the relatively described spindle assemblies of the pair inner shaft and institute
It is circumferentially fixed and axially movable to state secondary outer shaft；Impeller, the impeller are connected in the secondary inner shaft；Off-centre operation, the bias
Round outer edge is only against in the secondary inner shaft when rotating the secondary inner shaft and the impeller to be driven to move axially.
Further, be formed on the outer edge of the off-centre operation near point nearest apart from the center of the off-centre operation and away from
The farthest far point in center from the off-centre operation, when the near point only supports the secondary inner shaft, the impeller water pumping amount is minimum, described
When far point only supports the secondary outer shaft, the impeller water pumping amount is maximum.
Further, when the near point only supports the secondary inner shaft, the impeller water pumping amount is 0.
Further, the center of the off-centre operation is positioned at the outside of the secondary outer shaft and central axis upright is in the pair
The axis of axis.
Further, the secondary inner shaft is provided with towards the open groove of the spindle assemblies, and the one of the spindle assemblies
Part is stretched into the groove.
Further, it is provided with elastic component between one side and the secondary outer shaft of the secondary inner shaft away from the off-centre operation.
Further, the elastic component is spring and is multiple, and multiple springs are in the secondary inner shaft away from described inclined
The one side of heart circle is circumferentially uniformly distributed.
Further, the spindle assemblies include：Main inner shaft and main outer shaft, the main inner shaft are fixed in the main outer shaft
Portion, the main inner shaft are connected with the secondary inner shaft, and the outer diameter of the main outer shaft is identical with the outer diameter of the secondary outer shaft.
Further, the water pump further includes：For driving the solenoid valve or vacuum plant that the off-centre operation rotates.
Compared with the prior art, water pump of the present invention has the advantage that：
Water pump according to the present invention, when off-centre operation rotates, the position for only supporting secondary inner shaft constantly changes, and in pair
The relatively main inner shaft of axis and secondary outer shaft can move axially, and secondary inner shaft can be moved axially with impeller, so as to change impeller
With the contact area of water, and then the water pumping amount of water pump can be adjusted, the water pumping amount of water pump can be caused to meet the difference of engine
The demand of operating mode.
Another object of the present invention is to propose a kind of vehicle.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of vehicle, including above-mentioned water pump.
The vehicle is identical compared with advantage possessed by the prior art with above-mentioned water pump, and details are not described herein.
Description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram of the water pump described in the embodiment of the present invention；
Fig. 2 is the schematic diagram of the off-centre operation of the water pump described in the embodiment of the present invention.
Reference sign：
Water pump 100；
Spindle assemblies 10；Main inner shaft 11；Main outer shaft 12；
Countershaft component 20；Secondary inner shaft 21；Groove 211；Secondary outer shaft 22；
Impeller 30；Off-centre operation 40；Near point a；Far point b；Elastic component 50.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The water pump 100 for embodiment that the present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments, which should
With on vehicle.
As shown in Figure 1, water pump 100 according to embodiments of the present invention can include：Spindle assemblies 10, countershaft component 20, leaf
Wheel 30 and off-centre operation 40.Spindle assemblies 10 can include：Main inner shaft 11 and main outer shaft 12, main inner shaft 11 are fixed in main outer shaft 12
Portion, for example, main inner shaft 11 is fixedly connected with main outer shaft 12 by spline, the main inner shaft 11 and main outer shaft 12 being fixedly connected can be same
Step is moved axially and circumferentially rotated.
Countershaft component 20 includes：Secondary inner shaft 21 and secondary outer shaft 22, secondary inner shaft 21 are arranged on inside secondary outer shaft 22, and in pair
Axis 21 is connected with spindle assemblies 10, and specifically, main inner shaft 11 is connected with secondary inner shaft 21.Wherein, main inner shaft 11 and secondary inner shaft 21 can
To be connected by spline, secondary inner shaft 21 can be connected with secondary outer shaft 22 by spline, specifically, as shown in Figure 1, secondary inner shaft 21 is set
It is equipped with towards 10 open groove 211 of spindle assemblies, a part for spindle assemblies 10 is stretched into groove 211.That is, in main
The a part of of axis 11 can be stretched into groove 211, and spline can be provided on the inner wall of groove 211.
Wherein, secondary inner shaft 21 is circumferentially fixed with respect to spindle assemblies 10 and secondary outer shaft 22, and secondary inner shaft 21 is with respect to main shaft group
Part 10 and secondary outer shaft 22 can axially move.Main inner shaft 11 can be connected with belt pulley, in circumferentially fixed secondary inner shaft 21 and master
Axis 11 and circumferentially fixed secondary inner shaft 21 and secondary outer shaft 22 can realize the transmission of power.
Optionally, the outer diameter of main outer shaft 12 can be identical with the outer diameter of secondary outer shaft 22.So main outer shaft 12 and secondary outer shaft 22
Main inner shaft 11 and secondary inner shaft 21 can be preferably protected, and can ensure the structural integrity of water pump 100, master can also be convenient for
The processing and manufacturing of outer shaft 12 and secondary outer shaft 22.
Impeller 30 is connected in secondary inner shaft 21, and the outer edge of off-centre operation 40 is only against in secondary inner shaft 21 to drive when rotating
Secondary inner shaft 21 and impeller 30 move axially.It is understood that due to 40 eccentric setting of off-centre operation, so rotated in off-centre operation 40
When, the position for only supporting secondary inner shaft 21 constantly changes, and the secondary relatively main inner shaft 11 of inner shaft 21 and secondary outer shaft 22 can be axial
Mobile, secondary inner shaft 21 can be moved axially with impeller 30, so as to change the contact area of impeller 30 and water, and then can be with
The water pumping amount of water pump 100 is adjusted, the water pumping amount of water pump 100 can be caused to meet the demand of the different operating modes of engine.
It should be noted that when off-centre operation 40 stops operating, secondary inner shaft 21 can be kept under the action of off-centre operation 40
In the position, the contact area of such impeller 30 and water is fixed, so that the water pumping amount of water pump 100 is in stable shape
State.
As shown in Fig. 2, the near point a nearest apart from the center of off-centre operation 40 and distance are formed on the outer edge of off-centre operation 40
When the farthest far point b in the center of off-centre operation 40, near point a only support secondary inner shaft 21,30 water pumping amount of impeller is minimum, is just met for engine
Cold start-up or warming-up operating mode, when far point b only supports secondary outer shaft 22,30 water pumping amount of impeller is maximum, is just met for high engine load work
Condition.As a result, by only supporting the position of secondary inner shaft 21 on Rational choice off-centre operation 40, it can be met with the water pumping amount of water pump 100 and started
The demand of machine can realize the optimal management and control of engine water temperature, can reduce the mechanical loss of engine.
Preferably, when near point a only supports secondary inner shaft 21,30 water pumping amount of impeller is 0.In other words, at this point, impeller 30 does not connect with water
It touches, the contact area of impeller 30 and water is 0, and the water pump 100 of such state can be adapted for starting for cold start-up or warm-up mode
Machine.
According to a preferred embodiment of the present invention, as shown in Figure 1, the center of off-centre operation 40 is located at the outer of secondary outer shaft 22
Side, and the central axis upright of off-centre operation 40 is in the axis of secondary inner shaft 21.Position and axis by Rational choice off-centre operation 40
Line direction can so that water pump 100 is simple in structure, realize that function is reliable.
Optionally, as shown in Figure 1, being provided with elastic component between one side and secondary outer shaft 22 of the secondary inner shaft 21 away from off-centre operation 40
50.Elastic component 50 can play booster action, have hydraulic pressure at the impeller 30 of water pump 100, when 40 small position of off-centre operation rotates, leaf
Wheel 30 can be with automatic moving by hydraulic pressure effect, but during the movement of impeller 30, hydraulic pressure will also reduce therewith, at this time elastic component 50
Elastic force embodied, can cause secondary 21 Rapid reset of inner shaft.
Specifically, elastic component 50 can be spring, and spring can be multiple, and multiple springs are in secondary inner shaft 21 away from partially
The one side of heart circle 40 is circumferentially uniformly distributed.By the multiple springs of reasonable Arrangement, it can so that secondary 21 reseting procedure of inner shaft is steady, it can
To improve the functional reliability of water pump 100.
A specific embodiment according to the present invention, water pump 100 can also include：For driving the electricity that off-centre operation 40 rotates
Magnet valve or vacuum plant.Solenoid valve or vacuum plant can control secondary inner shaft by controlling the rotational angle of off-centre operation 40
21 axial displacement, so as to control the water pumping amount of water pump 100.
Vehicle according to embodiments of the present invention, the water pump 100 including above-described embodiment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of water pump (100), which is characterized in that including：
Spindle assemblies (10)；
Countershaft component (20), the countershaft component (20) include：Secondary inner shaft (21) and secondary outer shaft (22), the pair inner shaft (21) set
It puts internal in the secondary outer shaft (22) and is connected with the spindle assemblies (10), described pair inner shaft (21) relatively described spindle assemblies
(10) and the secondary outer shaft (22) is circumferentially fixed and axially movable；
Impeller (30), the impeller (30) are connected on the secondary inner shaft (21)；
Off-centre operation (40), the outer edge of the off-centre operation (40) are only against on the secondary inner shaft (21) with described in the driving when rotating
Secondary inner shaft (21) and the impeller (30) axial movement.
2. water pump (100) according to claim 1, which is characterized in that be formed on the outer edge of the off-centre operation (40)
The near point (a) nearest apart from the center of the off-centre operation (40) and the far point (b) farthest apart from the center of the off-centre operation (40),
When the near point (a) only supports secondary inner shaft (21), impeller (30) the water pumping amount is minimum, and the far point (b) only supports the pair
During outer shaft (22), impeller (30) the water pumping amount is maximum.
3. water pump (100) according to claim 2, which is characterized in that the near point (a) only supports the secondary inner shaft (21)
When, impeller (30) the water pumping amount is 0.
4. water pump (100) according to claim 1, which is characterized in that the center of the off-centre operation (40) is located at the pair
The outside of outer shaft (22) and central axis upright is in the axis of the secondary inner shaft (21).
5. water pump (100) according to claim 1, which is characterized in that the pair inner shaft (21) is provided with towards the master
Shaft assembly (10) open groove (211), a part for the spindle assemblies (10) are stretched into the groove (211).
6. water pump (100) according to claim 1, which is characterized in that the pair inner shaft (21) is away from the off-centre operation
(40) elastic component (50) is provided between one side and the secondary outer shaft (22).
7. water pump (100) according to claim 6, which is characterized in that the elastic component (50) be spring and be it is multiple, it is more
A spring is circumferentially uniformly distributed in the secondary one side of the inner shaft (21) away from the off-centre operation (40).
8. water pump (100) according to claim 1, which is characterized in that the spindle assemblies (10) include：Main inner shaft (11)
With main outer shaft (12), the main inner shaft (11) is fixed on inside the main outer shaft (12), in the main inner shaft (11) and the pair
Axis (21) is connected, and the outer diameter of the main outer shaft (12) is identical with the outer diameter of the secondary outer shaft (22).
9. water pump (100) according to claim 1, which is characterized in that further include：For the off-centre operation (40) to be driven to turn
Dynamic solenoid valve or vacuum plant.
10. a kind of vehicle, which is characterized in that including the water pump (100) according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077859.8A CN108119391B (en) | 2016-11-30 | 2016-11-30 | Water pump and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077859.8A CN108119391B (en) | 2016-11-30 | 2016-11-30 | Water pump and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108119391A true CN108119391A (en) | 2018-06-05 |
| CN108119391B CN108119391B (en) | 2020-01-07 |
Family
ID=62226871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611077859.8A Active CN108119391B (en) | 2016-11-30 | 2016-11-30 | Water pump and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108119391B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354043A (en) * | 2007-07-25 | 2009-01-28 | 潘国陶 | Variable flow centrifugal pump |
| CN101413513A (en) * | 2008-11-16 | 2009-04-22 | 林英燮 | Variable flow impeller and speed variator using the same |
| EP2299120A1 (en) * | 2009-09-14 | 2011-03-23 | Pierburg Pump Technology GmbH | Mechanical coolant pump for cooling an internal combustion engine |
| CN102261345A (en) * | 2011-08-04 | 2011-11-30 | 张春贵 | Centrifugal energy-saving water pump |
| CN103032341A (en) * | 2011-09-30 | 2013-04-10 | 谢夫勒科技股份两合公司 | Adjustable coolant pump with integrated pressure chamber |
| CN103470359A (en) * | 2013-09-29 | 2013-12-25 | 长城汽车股份有限公司 | Water pump used for engine and engine with water pump |
| CN103836004A (en) * | 2014-02-27 | 2014-06-04 | 长城汽车股份有限公司 | Water pump |
-
2016
- 2016-11-30 CN CN201611077859.8A patent/CN108119391B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354043A (en) * | 2007-07-25 | 2009-01-28 | 潘国陶 | Variable flow centrifugal pump |
| CN101413513A (en) * | 2008-11-16 | 2009-04-22 | 林英燮 | Variable flow impeller and speed variator using the same |
| EP2299120A1 (en) * | 2009-09-14 | 2011-03-23 | Pierburg Pump Technology GmbH | Mechanical coolant pump for cooling an internal combustion engine |
| CN102261345A (en) * | 2011-08-04 | 2011-11-30 | 张春贵 | Centrifugal energy-saving water pump |
| CN103032341A (en) * | 2011-09-30 | 2013-04-10 | 谢夫勒科技股份两合公司 | Adjustable coolant pump with integrated pressure chamber |
| CN103470359A (en) * | 2013-09-29 | 2013-12-25 | 长城汽车股份有限公司 | Water pump used for engine and engine with water pump |
| CN103836004A (en) * | 2014-02-27 | 2014-06-04 | 长城汽车股份有限公司 | Water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108119391B (en) | 2020-01-07 |
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