CN201972777U - Automobile engine cooling system - Google Patents
Automobile engine cooling system Download PDFInfo
- Publication number
- CN201972777U CN201972777U CN2010206966268U CN201020696626U CN201972777U CN 201972777 U CN201972777 U CN 201972777U CN 2010206966268 U CN2010206966268 U CN 2010206966268U CN 201020696626 U CN201020696626 U CN 201020696626U CN 201972777 U CN201972777 U CN 201972777U
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- water
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- cooling system
- water pump
- engine cooling
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Abstract
The utility model relates to an automobile engine cooling system which comprises a water pump, a water jacket of a cylinder body, a water jacket of a cylinder cover, a water outlet support seat, a heat radiator and an expansion box assembly, wherein the water outlet support seat is arranged at the back end of the cylinder cover and used for collecting cooling liquid flowing out from the water jacket of the cylinder cover; a water outlet of the water pump is connected with a water inlet of the water outlet support seat via the water jacket of the cylinder body and the water jacket of the cylinder cover; a water outlet of the water outlet support seat is connected with a water inlet of the water pump via the heat radiator, thereby forming a closed cycle; a water inlet of the expansion box assembly is connected with the heat radiator, and a water outlet of the expansion box assembly is connected with the water inlet of the water pump; the water inlet of the expansion box assembly is further connected with the water outlet of the water outlet support seat; and furthermore, the automobile engine cooling system comprises an air heater. The automobile engine cooling system disclosed by the utility model has the advantages that while the cooling system structure of the whole automobile is reasonably arranged, gas can be conveniently exhausted, and an engine can be rapidly warmed during cold start through two small circulation loops.
Description
[technical field]
The utility model relates to engine art, particularly a kind of car engine cooling system.
[background technique]
At present, adopt the forced cyclic type constituent on the motor car engine mostly." automobile construction " (the 2nd edition, the Guan Wenda of Jilin University chief editor, China Machine Press) discloses a kind of water-cooled and has been.Cooling liquid is under the water pump effect, and flow through cylinder body water jacket and cylinder cap water jacket absorb heat, then along the water pipe inflow radiator.High temperature coolant temperature behind radiator heat-dissipation descends, and is pressed into once more in the engine water jacket by water pump, and the heat when so circulation is with engine operation is taken away.Usually at the water intake of water pump or the water outlet of cylinder head one thermostat is installed.When engine coolant temperature was elevated to certain value, the thermostat main valve was opened, and auxiliary-valve is closed, and the cooling liquid radiator of flowing through carries out major cycle; When engine coolant temperature was low, the thermostat main valve was closed, auxiliary-valve is opened, and short circle is opened, and cooling liquid is without radiator, but through water pump, cylinder body water jacket is turned back in the engine water jacket by water pump behind the thermostat of flowing through behind the cylinder cap water jacket again.
Lack the short circle bypass circulation of residual gas in the automatic evacuate motor at present in the circulation of minicar cooling system, generally discharge motor residual gas, exhaust easily in time by the bleeder screw of turning on peak place, whole loop.Thereby may cause engine operation car load water temperature height, when serious even cause motor to be scrapped.In addition, when motor during in cold start, the preheating of motor mainly is to realize by the short circle of the car load circulatory system, and because the cooling line of minicar is longer relatively, will make the preheat time of motor more longer relatively.
In addition, in engine design, usually with the arrangement of parts of cooling system in the relatively low air inlet side of temperature, be not subjected to the influence of engine exhaust high temperature with the part that guarantees cooling system.So, it is crowded relatively to make that motor forms the air inlet side on arranging, and exhaust side has only discharge manifold, and engine structure is compact inadequately comparatively speaking.And the part of cooling system is away from the centre of motion of motor, and the vibrations of aggravation engine body cause that the vibrations noise of motor is excessive.
[model utility content]
In order to solve existing technical problem, the utility model provides a kind of car engine cooling system, in the reasonable Arrangement cooling system structure, can easy to exhaust, and make motor rapid warming-up when cold start-up.
The technological scheme that the utility model is taked is as follows:
A kind of car engine cooling system comprises water pump, cylinder body water jacket, cylinder cap water jacket, water outlet bearing, radiator and expansion tank assembly; Described water outlet bearing is arranged at the cylinder cap rear end, is used to collect the cooling liquid that flows out from the cylinder cap water jacket; The water outlet of described water pump links to each other with the water intake of water outlet bearing through cylinder body water jacket, cylinder cap water jacket, and the water outlet of described water outlet bearing links to each other with the water intake of described water pump through radiator, forms closed loop; The water intake of described expansion tank assembly is connected with described radiator, and the water intake of water outlet and described water pump is connected, and the water intake of described expansion tank assembly also is connected with the water outlet of described water outlet bearing.
Further improve, described car engine cooling system also comprises heater, and the water intake of described heater links to each other with the water outlet of water outlet bearing, and the water outlet of described heater is connected with the water intake of described water pump.
Further improve, described heater comprises warm-air drier.
Further improve, described heater also comprises the warm-air drier valve, and described warm-air drier valve is arranged at the inlet end of described warm-air drier.
Further improve, described car engine cooling system also comprises unidirectional temperature regulator, and described unidirectional temperature regulator is arranged between the water outlet and described water inlet of radiator of described water outlet bearing.
Further improve, described unidirectional temperature regulator comprises thermostat and thermostat housing, and described thermostat is installed in the described thermostat housing, and described thermostat housing is fixed on the described water outlet bearing.
Further improve, described water pump is the independent integrated type water pump complement that comprises the vortex chamber, and described water pump complement is installed in the engine body exhaust side.
Further improve, the water inlet position of described water pump complement is lower than the water outlet position of described water outlet bearing.
Owing to adopted such scheme, the beneficial effects of the utility model are:
(1) described water outlet bearing is installed in the cylinder cap rear end, is used to collect the cooling liquid of cylinder body water jacket of engine and cylinder cap water jacket; Design an engine exhaust pipeline of forming by water outlet bearing → expansion tank assembly → water pump complement, made that the air in the motor can be discharged in the atmosphere by the expansion tank assembly, reached self-bleeding function; Simultaneously when engine cold-start, high temperature coolant can be got back to water pump complement fast through loop thus, has shortened the preheat time of motor, reduces engine consumption.
(2) designed a warm air system pipeline by water outlet bearing → warm-air drier valve → warm-air drier → water pump complement; When engine cold-start, this pipeline can play a role equally and shorten the engine warming up time.In addition, the warm-air drier valve is set in pipeline, when vehicle interior temperature higher, do not need warm braw and when using air-conditioning system, can close the warm-air drier valve, effectively avoid influencing the phenomenon of air-conditioning cool air, improve the refrigeration of air-conditioning system because of the bad hot air that causes of warm-air drier sealing.
(3) the described water pump complement in the utility model is an independent integrated type water pump that comprises the vortex chamber.Need the water pump vortex chamber is cast on cylinder body and the front cover in the contrast available engine, the described water pump complement in the utility model need not be cast corresponding vortex chamber on body, and technology is simpler.Described water pump complement is installed in the exhaust side of engine body, make the layout of whole engine wheel system more reasonable, after motor on the car load was tilting, water pump water inlet position was lower than the water outlet position of water outlet bearing, be beneficial to discharge residual gas in the motor, pump maintenance is more convenient.
(4) parts such as the water pump complement of cooling system, water outlet bearing, thermostat housing directly are fixed on engine body or the cylinder cap, have improved the coupling stiffness of each component, make that simultaneously the layout of complete machine is compact more.
[description of drawings]
Fig. 1 is the circulation schematic representation of the utility model car engine cooling system;
Fig. 2 is the major cycle loop schematic representation in the utility model car engine cooling system;
Fig. 3 is the schematic representation in exhaust loop in the utility model car engine cooling system;
Fig. 4 is the schematic representation in warm braw loop in the utility model car engine cooling system;
Fig. 5 is the utility model embodiment's an engine charge side view;
Fig. 6 is the utility model embodiment's an engine exhaust side view;
Fig. 7 is the utility model embodiment's a motor rear end view.
[embodiment]
Below in conjunction with accompanying drawing the utility model is further specified.
Know as persons skilled in the art, mainly connect by sebific duct between each parts that directly is not communicated with among Fig. 1 to Fig. 4, the arrow among the figure has been pointed out the flow direction of cooling liquid between each parts.
Major cycle loop in the explanation the utility model car engine cooling system sees figures.1.and.2.Described car engine cooling system comprises water pump complement 1, cylinder body water jacket 2, cylinder cap water jacket 3, water outlet bearing 4, radiator 8 and expansion tank assembly 15; Described water outlet bearing 4 is arranged at cylinder cap 16 rear ends, is used for collecting the high temperature coolant that flows out from engine cylinder cover water jacket 3; The water outlet of described water pump complement 1 links to each other with the water intake of water outlet bearing 4 through cylinder body water jacket 2, cylinder cap water jacket 3, and the water outlet of described water outlet bearing 4 links to each other through the water intake of radiator 8 with described water pump complement 1, forms the major cycle closed-loop path of cooling system.Further, in the water outlet of described water outlet bearing 4 and the pipeline between described radiator 8 water intakes, also be provided with unidirectional temperature regulator, comprise thermostat 5 and thermostat housing 6.Described thermostat 5 is installed in the described thermostat housing 6, and described thermostat housing 6 is fixed on the described water outlet bearing 4.Described thermostat 5 has unidirectional temperature adjustment function, when engine coolant temperature is elevated to one regularly, and thermostat 5 valve opens, open in the major cycle loop; When engine coolant temperature is low, thermostat 5 valve closings, the major cycle loop is also closed thereupon.As can be seen, complete major cycle loop is in the present embodiment: water pump complement 1 → cylinder body water jacket 2 → cylinder cap water jacket 3 → water outlet bearing 4 → thermostat 5 → thermostat housing 6 → sebific duct 7 → radiator 8 → sebific duct 9 → water pump complement 1.In addition, the water intake of described expansion tank assembly 15 is connected with described radiator 8 by sebific duct 14, water outlet is connected with the water intake of described water pump complement 1, the water inlet that is transported to described water pump complement 1 in order to the cooling liquid and the cooling liquid that temperature is lower of heat too much in the receiving loop.
With reference to Fig. 1 and Fig. 3 exhaust loop in the utility model car engine cooling system is described: water outlet bearing 4 → sebific duct 10 → sebific duct 13 → expansion tank assembly 15 → sebific duct 9 → water pump complement 1 → cylinder body water jacket 2 → cylinder cap water jacket 3 → water outlet bearing 4.The water intake of described expansion tank assembly 15 links to each other with the water outlet of described water outlet bearing 4; Be understandable that described expansion tank assembly 15 comprises at least one water intake, described water outlet bearing 4 comprises at least one water outlet.Described water pump complement 1 is for comprising the independent integrated type water pump of vortex chamber, and the water inlet position of water pump complement 1 is lower than the water outlet position of water outlet bearing 4, make the bubble in the water pump complement 1 arrive expansion tank assembly 15 along water outlet bearing 4, from motor, discharge smoothly, thereby reach the purpose of timely easy to exhaust.
With reference to Fig. 1 and Fig. 4 warm braw loop in the utility model car engine cooling system is described: water outlet bearing 4 → sebific duct 10 → warm-air drier valve 11 → warm-air drier 12 → sebific duct 9 → water pump complement 1 → cylinder body water jacket 2 → cylinder cap water jacket 3 → water outlet bearing 4.The water intake of heater links to each other with the water outlet of described water outlet bearing 4, and water outlet is connected with the water intake of described water pump complement 1.Described heater comprises warm-air drier 12 and is arranged at the warm-air drier valve 11 of the inlet end of described warm-air drier 12.By warm-air drier valve 11 is set, higher when vehicle interior temperature, do not need warm braw and when using air-conditioning system, can close warm-air drier valve 11, effectively avoided influencing the phenomenon of air-conditioning cool air, improved the refrigeration of air-conditioning system because of the bad hot air that causes of warm-air drier 12 sealings.
Reducing the preheat time of motor also realizes by described warm braw loop and these two short circle loops, described exhaust loop.When motor after cold start, the burned chamber of the cooling liquid high temperature rapid heating in cylinder body water jacket 2 and the cylinder cap water jacket 3, and the cooling liquid at other positions still is in room temperature state in the cooling system.The cooling liquid of high temperature is under the pressure effect of water pump complement 1, and flow through cylinder body water jacket 2 and cylinder cap water jacket 3 enter described water outlet bearing 4 places.This moment, high temperature coolant will be got back to described water pump complement 1 fast by described warm braw loop and described exhaust loop.
In addition, as can be seen from Figure 6, described water pump complement 1 is installed in the exhaust side of engine body, can directly be fixed on the body by fastening piece; Described as can be seen from Figure 7 water outlet bearing 4 is directly to be fixed on the cylinder cap 16 by fastening piece.From Fig. 5 and Fig. 7 as can be seen, described thermostat housing 6 can directly be fixed on the described water outlet bearing 4 by fastening piece.Improve by such coupling stiffness that is arranged so that the cooling system part, the complete machine layout is compact more.
The utility model car engine cooling system is applied to certain motor, makes the vibration noise of motor reach the requirement of national legislation.Motor is fully cooled off in running, and the comprehensive oil consumption of car load simultaneously is lower in equal vehicle.
Above content is to have described concrete preferred implementation of the present utility model in conjunction with the accompanying drawings, but can not assert that concrete enforcement of the present utility model only is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. a car engine cooling system comprises water pump, cylinder body water jacket, cylinder cap water jacket, water outlet bearing, radiator and expansion tank assembly; Described water outlet bearing is arranged at the cylinder cap rear end, is used to collect the cooling liquid that flows out from the cylinder cap water jacket; The water outlet of described water pump links to each other with the water intake of water outlet bearing through cylinder body water jacket, cylinder cap water jacket, and the water outlet of described water outlet bearing links to each other with the water intake of described water pump through radiator, forms closed loop; The water intake of described expansion tank assembly is connected with described radiator, and the water intake of water outlet and described water pump is connected, and it is characterized in that: the water intake of described expansion tank assembly also links to each other with the water outlet of described water outlet bearing.
2. car engine cooling system as claimed in claim 1 is characterized in that: also comprise heater, the water intake of described heater links to each other with the water outlet of water outlet bearing, and the water outlet of described heater is connected with the water intake of described water pump.
3. car engine cooling system as claimed in claim 2 is characterized in that: described heater comprises warm-air drier.
4. car engine cooling system as claimed in claim 3 is characterized in that: described heater also comprises the warm-air drier valve, and described warm-air drier valve is arranged at the inlet end of described warm-air drier.
5. as each described car engine cooling system of claim 1 to 4, it is characterized in that: also comprise unidirectional temperature regulator, described unidirectional temperature regulator is arranged between the water outlet and described water inlet of radiator of described water outlet bearing.
6. car engine cooling system as claimed in claim 5 is characterized in that: described unidirectional temperature regulator comprises thermostat and thermostat housing, and described thermostat is installed in the described thermostat housing, and described thermostat housing is fixed on the described water outlet bearing.
7. car engine cooling system as claimed in claim 1 is characterized in that: described water pump is the independent integrated type water pump complement that comprises the vortex chamber, and described water pump complement is installed in the engine body exhaust side.
8. car engine cooling system as claimed in claim 7 is characterized in that: the water inlet position of described water pump complement is lower than the water outlet position of described water outlet bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206966268U CN201972777U (en) | 2010-12-31 | 2010-12-31 | Automobile engine cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206966268U CN201972777U (en) | 2010-12-31 | 2010-12-31 | Automobile engine cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201972777U true CN201972777U (en) | 2011-09-14 |
Family
ID=44577884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206966268U Expired - Lifetime CN201972777U (en) | 2010-12-31 | 2010-12-31 | Automobile engine cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201972777U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434262A (en) * | 2011-12-07 | 2012-05-02 | 冯俊 | Automatic exhaust cooling system |
| CN102431414A (en) * | 2011-11-17 | 2012-05-02 | 奇瑞汽车股份有限公司 | Heating system adopting waste heat of automobile exhaust |
| CN102486114A (en) * | 2010-12-31 | 2012-06-06 | 上汽通用五菱汽车股份有限公司 | Cooling system for automobile engine |
| CN102913313A (en) * | 2011-10-14 | 2013-02-06 | 上汽通用五菱汽车股份有限公司 | Engine cooling system |
| CN105134444A (en) * | 2015-09-01 | 2015-12-09 | 东风朝阳朝柴动力有限公司 | Diesel engine automatic preheating device |
| CN108266259A (en) * | 2016-12-30 | 2018-07-10 | 长城汽车股份有限公司 | The control method and vehicle of cooling system |
| CN114704415A (en) * | 2022-04-18 | 2022-07-05 | 陕西柴油机重工有限公司 | Energy-saving warming device for high-power diesel engine unit |
-
2010
- 2010-12-31 CN CN2010206966268U patent/CN201972777U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486114A (en) * | 2010-12-31 | 2012-06-06 | 上汽通用五菱汽车股份有限公司 | Cooling system for automobile engine |
| CN102486114B (en) * | 2010-12-31 | 2013-09-25 | 上汽通用五菱汽车股份有限公司 | Cooling system for automobile engine |
| CN102913313A (en) * | 2011-10-14 | 2013-02-06 | 上汽通用五菱汽车股份有限公司 | Engine cooling system |
| CN102431414A (en) * | 2011-11-17 | 2012-05-02 | 奇瑞汽车股份有限公司 | Heating system adopting waste heat of automobile exhaust |
| CN102434262A (en) * | 2011-12-07 | 2012-05-02 | 冯俊 | Automatic exhaust cooling system |
| CN105134444A (en) * | 2015-09-01 | 2015-12-09 | 东风朝阳朝柴动力有限公司 | Diesel engine automatic preheating device |
| CN108266259A (en) * | 2016-12-30 | 2018-07-10 | 长城汽车股份有限公司 | The control method and vehicle of cooling system |
| CN108266259B (en) * | 2016-12-30 | 2020-10-02 | 长城汽车股份有限公司 | Control method of cooling system and vehicle |
| CN114704415A (en) * | 2022-04-18 | 2022-07-05 | 陕西柴油机重工有限公司 | Energy-saving warming device for high-power diesel engine unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110914 Effective date of abandoning: 20130925 |
|
| RGAV | Abandon patent right to avoid regrant |