CN104832311A - Engine cooling water jacket - Google Patents
Engine cooling water jacket Download PDFInfo
- Publication number
- CN104832311A CN104832311A CN201510116442.7A CN201510116442A CN104832311A CN 104832311 A CN104832311 A CN 104832311A CN 201510116442 A CN201510116442 A CN 201510116442A CN 104832311 A CN104832311 A CN 104832311A
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- Prior art keywords
- jacket
- cooling liquid
- cylinder head
- cooling
- cylinder
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/004—Cylinder liners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an engine cooling water jacket comprising a cylinder body water jacket and a cylinder cover water jacket. The cylinder cover water jacket includes a first auxiliary water outlet, a second auxiliary water outlet and three sets of cooling liquid inlets at the air exhaust side of a cylinder cover, and three sets of cooling liquid outlets at the air inlet side of the cylinder cover. Each set of cooling liquid inlets and the corresponding set of cooling liquid outlets correspond to one cylinder. Each cylinder corresponds to one cylinder cover air exhaust duct area and one cylinder cover inlet duct area. The nose bridge area in the middle of each cylinder cover air exhaust duct area is provided with a cooling water channel. Two partitions are arranged in the cylinder body water jacket to divide the cylinder body water jacket into an air exhaust side cylinder body water jacket and an air inlet side cylinder body water jacket. The front of the air exhaust side cylinder body water jacket is provided with a main water inlet, the bottom of the front end of the air inlet side cylinder body water jacket is provided with an auxiliary water inlet, and the rear end of the air inlet side cylinder body water jacket is provided with a main water outlet. The engine cooling water jacket of the invention enables all parts of an engine to cool uniformly.
Description
Technical field
The invention belongs to car engine cooling system, be specifically related to a kind of engine cooling water jacket.
Background technique
Engine cooling water jacket is made up of block jacket and cylinder head jacket, and cooling jacket common is at present furnished with following two kinds:
One, cooling liquid enters block jacket after water pump pressurization, flow through cylinder pad water passage hole and enter cylinder head jacket, then engine body is flowed out by cylinder head jacket, this jacket structure for water is simple and be easy to control, but in order to ensure each cylinder temperature close of motor, cause the water passage hole on cylinder pad increase along with the distance with pump house and change, the flow velocity lack of homogeneity in water jacket, cooling effectiveness is on the low side; And because arranging that reason makes the high temperature place coolings such as cylinder head exhaust valve ridge area insufficient, and then the lifting of limiting engine bulk temperature.
Two, cooling liquid flows into one end of block jacket and cylinder head jacket respectively after water pump pressurization, then engine body is flowed out from the other end of block jacket and cylinder head jacket, and controlled by independent thermoregulator respectively, this kind of layout obviously can improve the uneven problem of cooling liquid speed in water jacket, improves cooling effectiveness.But Problems existing is: in the process of cooling liquid lateral flow, temperature gradually rising can cause the cooling effect away from water intake region poor, and high-temperature area also exists the insufficient problem of cooling, the cooling jacket of this kind of structure governs the further lifting of engine temperature; And structure is more complicated, manufacture cost is higher.
Therefore, be necessary to develop a kind of new engine cooling water jacket.
Summary of the invention
The object of this invention is to provide a kind of engine cooling water jacket, it has, and structure is simple, flow velocity is even, flow resistance is little, makes motor each position cooling evenly.
Engine cooling water jacket of the present invention, comprise block jacket and cylinder head jacket, cylinder head jacket comprises the first auxiliary waterexit mouth, the second auxiliary waterexit mouth and the three groups of cooling liquid entrances that are separately positioned on cylinder head exhaust side, and be arranged on three groups of cooling liquid outlets of cylinder head air inlet side, three groups of cooling liquid entrances and three groups of cooling liquid outlet one_to_one corresponding; Often organize cooling liquid entrance and corresponding one group of corresponding cylinder of cooling liquid outlet; The corresponding cylinder head air outlet flue region of each cylinder and a cylinder head intake duct region, nasal bridge region in the middle part of each cylinder head air outlet flue region is provided with cooling water channel, one end of each cooling water channel communicates with same group of cooling liquid entrance, the other end of each cooling water channel is communicated with by an exhaust passage, this exhaust passage communicates with the peak of cylinder head jacket, one end of exhaust passage is communicated with the first auxiliary waterexit mouth, and the other end of exhaust passage is communicated with the second auxiliary waterexit mouth;
Two dividing plates are provided with in block jacket, by two dividing plates, block jacket is divided into exhaust side block jacket and air inlet side block jacket two-part, water main inlet port is provided with in the front end of exhaust side block jacket, be provided with secondary water intake in the bottom of air inlet side block jacket front end, be provided with main water outlet in the rear end of air inlet side block jacket;
When coolant temperature is lower, engine-cooling system carries out short circle, cooling liquid enters exhaust side block jacket from the water main inlet port of block jacket, cooling liquid entrance from cylinder head jacket after cooling liquid fully mixes enters cylinder head jacket, the heat of oil inflame release is taken away in the flowing of cylinder head air outlet flue region, then through cooling water channel, cooling liquid is introduced nasal bridge region, exhaust passage is entered, finally by the first auxiliary waterexit mouth and the second auxiliary waterexit mouth outflow motor of cylinder head jacket after nasal bridge region is cooled;
When coolant temperature is higher, engine-cooling system carries out major cycle, and cooling liquid is divided into two-way flowing:
First via cooling liquid enters exhaust side block jacket by the water main inlet port of block jacket, cooling liquid entrance from cylinder head jacket after cooling liquid fully mixes enters cylinder head jacket, at the heat of cylinder head air outlet flue region flowing with oil inflame release, then cooling liquid is introduced spark plug mounting hole region and introduce nasal bridge region through cooling water channel, cool spark plug mounting hole region and nasal bridge region, the cooling liquid outlet finally flowing through cylinder head jacket flows into air inlet side block jacket and mixes with the second tunnel cooling liquid;
Second tunnel cooling liquid enters the bottom of air inlet side block jacket through the secondary water intake of block jacket, through main water outlet flows out motor after fully mixing with first via cooling liquid.
The bottom of described block jacket is along water (flow) direction undulate shape, and the trough of wave-like is positioned at the neutral position of single cylinder block, the neutral position of crest between adjacent two cylinder block, the flow trace of cooling liquid can be improved, make cooling liquid cooling heat transferring more abundant, ensure that the cooling effect at each position of motor is identical.
Longitudinal passage section of described block jacket any place is equal, and cooling liquid can be impelled even at engine interior flow velocity.
Described three groups of cooling liquid entrances, three groups of cooling liquid outlets and three cooling water channels are for be arranged side by side from left to right, and often organize the figure of eight that cooling liquid entrance one group of cooling liquid outlet is corresponding thereto upper and lower opening, ensure that the cooling effect of each cylinder is identical.
The present invention has the following advantages:
(1), when coolant temperature is lower, only the exhaust side of engine is cooled, under the prerequisite guaranteeing engine reliability, improve the heat engine speed of motor;
(2) exhaust side that preferential cooled engine temperature is the highest, effectively shortens complete machine and heats up, thus reduce engine consumption;
(3) the secondary water intake of block jacket can improve the coolant flow bottom block jacket air inlet side, can avoid occurring flow dead;
(4) because the connecting passage sectional area between block jacket and cylinder head jacket is comparatively large, reduce the flow resistance of engine water jacket, thus reduce the performance requirement to water pump;
(5) owing to arranging one group of cooling liquid entrance and one group of cooling liquid outlet on the cylinder head that each cylinder is corresponding respectively, ensure that the cooling effect of each cylinder is identical;
(6) owing to being provided with special cooling water channel in nasal bridge region, orientation cooling can be carried out to nasal bridge region, prevent nasal bridge region temperature too high and occur crackle;
(7) bottom of block jacket is wavy, and this wavelike structure can improve the flow trace of cooling liquid, makes cooling liquid cooling heat transferring more abundant, ensure that the cooling effect at each position of motor is identical;
(8) longitudinal passage section of block jacket any place is equal, and cooling liquid can be impelled even at engine interior flow velocity;
In sum, the present invention has that structure is simple, flow velocity is even, flow resistance is little, can make motor each position cooling evenly, and can carry out orientation to the nasal bridge region between cylinder head air outlet flue and cool.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the schematic side view of block jacket of the present invention;
Fig. 4 is the schematic top plan view of block jacket of the present invention;
Fig. 5 is the schematic side view of cylinder head jacket of the present invention;
Fig. 6 is the schematic top plan view of cylinder head jacket of the present invention;
Wherein, 1, block jacket, 11, water main inlet port, 12, secondary water intake, 13, main water outlet, 14, dividing plate, 15, exhaust side block jacket, 16, air inlet side block jacket, 2, cylinder head jacket, the 21, first auxiliary waterexit mouth, 22, the second auxiliary waterexit mouth, 23, cylinder head intake duct region, 24, cylinder head air outlet flue region, 25, cooling liquid entrance, 26, cooling liquid outlet, 27, nasal bridge region, 28, spark plug mounting hole region, 29, cooling water channel, 30, exhaust passage.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Engine cooling water jacket as shown in Figures 1 to 6, comprises block jacket 1 and cylinder head jacket 2.Two dividing plates 14 are provided with in block jacket 1, by two dividing plates 14, block jacket 1 is divided into exhaust side block jacket 15 and air inlet side block jacket 16 two-part, water main inlet port 11 is provided with in the front end of exhaust side block jacket 15, be provided with secondary water intake 12 in the bottom of air inlet side block jacket 16 front end, be provided with main water outlet 13 in the rear end of air inlet side block jacket 16.Cylinder head jacket 2 comprises the first auxiliary waterexit mouth 21, second auxiliary waterexit mouth 22 and the three groups of cooling liquid entrances 25 being separately positioned on cylinder head exhaust side, and be arranged on three groups of cooling liquid outlets, 26, three groups of cooling liquid entrances 25 and three groups of cooling liquid outlet 26 one_to_one corresponding of cylinder head air inlet side; Often organize cooling liquid entrance 25 and corresponding one group of corresponding cylinder of cooling liquid outlet 26; The corresponding cylinder head air outlet flue region 24 of each cylinder and a cylinder head intake duct region 23, nasal bridge region 27 in the middle part of each cylinder head air outlet flue region 24 is provided with cooling water channel 29, one end of each cooling water channel 29 communicates with same group of cooling liquid entrance 25, the other end of each cooling water channel 29 is communicated with by an exhaust passage 30, this exhaust passage 30 communicates with the peak of cylinder head jacket 2, one end of exhaust passage 30 is communicated with the first auxiliary waterexit mouth 21, and the other end of exhaust passage 30 is communicated with the second auxiliary waterexit mouth 22.
As shown in Figure 3, in order to impel cooling liquid even at engine interior flow velocity, longitudinal passage section of block jacket 1 any place is equal.The bottom of block jacket 1 is along water (flow) direction undulate shape, and the trough of wave-like is positioned at the neutral position of single cylinder block, the neutral position of crest between adjacent two cylinder block, this wavy shaped configuration can improve the flow trace of cooling liquid, make cooling liquid cooling heat transferring more abundant, ensure that the cooling effect at each position of motor is identical.
As shown in Figure 6, three groups of cooling liquid entrances, 25, three groups of cooling liquid outlets 26 and three cooling water channels 29 are for be arranged side by side from left to right, and often organize cooling liquid entrance 25 figure of eight of one group of cooling liquid outlet 26 in upper and lower opening corresponding thereto, ensure that the cooling effect of each cylinder is identical.
The type of flow of cooling liquid in engine cooling water jacket of the present invention is as follows:
When coolant temperature is lower, engine-cooling system carries out short circle, cooling liquid enters exhaust side block jacket 15 from the water main inlet port 11 of block jacket 1, cooling liquid is PARALLEL FLOW in block jacket 1, wavy shaped configuration bottom block jacket 1 can impel cooling liquid fully to mix, abundant mixed cooling liquid enters cylinder head jacket 2 from the cooling liquid entrance 25 of cylinder head jacket 2, the heat of oil inflame release is taken away in the flowing of cylinder head air outlet flue region 24, then through cooling water channel 29, cooling liquid is introduced nasal bridge region 27, exhaust passage 30 is entered after nasal bridge region 27 is cooled, motor is flowed out finally by the first auxiliary waterexit mouth 21 of cylinder head jacket 2 and the second auxiliary waterexit mouth 22.This kind of type of flow ensure that motor only cools the exhaust side of engine when coolant temperature is lower, is guaranteeing the heat engine speed that improve motor under engine reliable prerequisite.
When coolant temperature is higher, engine-cooling system carries out major cycle, and cooling liquid is divided into two-way flowing:
First via cooling liquid enters exhaust side block jacket 15 by the water main inlet port 11 of block jacket 1, cooling liquid is PARALLEL FLOW in block jacket 1, wavy shaped configuration bottom block jacket 1 can impel cooling liquid fully to mix, cooling liquid enters cylinder head jacket 2 from the cooling liquid entrance 25 of cylinder head jacket 2, flow with the heat of oil inflame release in cylinder head air outlet flue region 24, then cooling liquid introduced spark plug mounting hole region 28 and introduce nasal bridge region 27 through cooling water channel 29, spark plug mounting hole region 28 and nasal bridge region 27 are cooled, the cooling liquid outlet 26 finally flowing through cylinder head jacket 2 flows into air inlet side block jacket 16 and mixes with the second tunnel cooling liquid.
Second tunnel cooling liquid enters the bottom of air inlet side block jacket 16 through the secondary water intake 12 of block jacket 1, is pooled to main water outlet 13 and flows out motor together with after the wavy shaped configuration bottom block jacket 1 can impel the second tunnel cooling liquid fully to mix with first via cooling liquid.
Claims (4)
1. an engine cooling water jacket, comprise block jacket (1) and cylinder head jacket (2), cylinder head jacket (2) comprise be separately positioned on cylinder head exhaust side the first auxiliary waterexit mouth (21), the second auxiliary waterexit mouth (22) and three groups of cooling liquid entrances (25), and be arranged on three groups of cooling liquid outlets (26) of cylinder head air inlet side, three groups of cooling liquid entrances (25) and three groups of cooling liquid outlet (26) one_to_one corresponding, often organize cooling liquid entrance (25) and corresponding one group of corresponding cylinder of cooling liquid outlet (26), the corresponding cylinder head air outlet flue region (24) of each cylinder and a cylinder head intake duct region (23), the nasal bridge region (27) at each cylinder head air outlet flue region (24) middle part is provided with cooling water channel (29), one end of each cooling water channel (29) communicates with same group of cooling liquid entrance (25), the other end of each cooling water channel (29) is communicated with by an exhaust passage (30), this exhaust passage (30) communicates with the peak of cylinder head jacket (2), one end of exhaust passage (30) is communicated with the first auxiliary waterexit mouth (21), the other end of exhaust passage (30) is communicated with the second auxiliary waterexit mouth (22), it is characterized in that:
Two dividing plates (14) are provided with in block jacket (1), by two dividing plates (14), block jacket (1) is divided into exhaust side block jacket (15) and air inlet side block jacket (16) two-part, water main inlet port (11) is provided with in the front end of exhaust side block jacket (15), be provided with secondary water intake (12) in the bottom of air inlet side block jacket (16) front end, be provided with main water outlet (13) in the rear end of air inlet side block jacket (16);
When coolant temperature is lower, engine-cooling system carries out short circle, cooling liquid enters exhaust side block jacket (15) from the water main inlet port (11) of block jacket (1), cooling liquid entrance (25) from cylinder head jacket (2) after cooling liquid fully mixes enters cylinder head jacket (2), the heat of oil inflame release is taken away in cylinder head air outlet flue region (24) flowing, then through cooling water channel (29), cooling liquid is introduced nasal bridge region (27), exhaust passage (30) is entered after nasal bridge region (27) is cooled, finally by the first auxiliary waterexit mouth (21) and the second auxiliary waterexit mouth (22) outflow motor of cylinder head jacket (2),
When coolant temperature is higher, engine-cooling system carries out major cycle, and cooling liquid is divided into two-way flowing:
First via cooling liquid enters exhaust side block jacket (15) by the water main inlet port (11) of block jacket (1), cooling liquid entrance (25) from cylinder head jacket (2) after cooling liquid fully mixes enters cylinder head jacket (2), at the heat of cylinder head air outlet flue region (24) flowing with oil inflame release, then cooling liquid is introduced spark plug mounting hole region (28) and introduce nasal bridge region (27) through cooling water channel (29), spark plug mounting hole region (28) and nasal bridge region (27) are cooled, the cooling liquid outlet (26) finally flowing through cylinder head jacket (2) flows into air inlet side block jacket (16) and mixes with the second tunnel cooling liquid,
Second tunnel cooling liquid enters the bottom of air inlet side block jacket (16) through the secondary water intake (12) of block jacket (1), through main water outlet (13) flows out motor after fully mixing with first via cooling liquid.
2. engine cooling water jacket according to claim 1, it is characterized in that: the bottom of described block jacket (1) is along water (flow) direction undulate shape, and the trough of wave-like is positioned at the neutral position of single cylinder block, the neutral position of crest between adjacent two cylinder block.
3. engine cooling water jacket according to claim 1 and 2, is characterized in that: longitudinal passage section of described block jacket (1) any place is equal.
4. engine cooling water jacket according to claim 1 and 2, it is characterized in that: described three groups of cooling liquid entrances (25), three groups of cooling liquid outlets (26) and three cooling water channels (29) for be arranged side by side from left to right, and often organize cooling liquid entrance (25) figure of eight of one group of cooling liquid outlet (26) in upper and lower opening corresponding thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116442.7A CN104832311B (en) | 2015-03-17 | 2015-03-17 | engine cooling water jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116442.7A CN104832311B (en) | 2015-03-17 | 2015-03-17 | engine cooling water jacket |
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| Publication Number | Publication Date |
|---|---|
| CN104832311A true CN104832311A (en) | 2015-08-12 |
| CN104832311B CN104832311B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510116442.7A Active CN104832311B (en) | 2015-03-17 | 2015-03-17 | engine cooling water jacket |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439664A (en) * | 2019-07-10 | 2019-11-12 | 重庆小康工业集团股份有限公司 | A kind of cooling system of automobile engine |
| CN111852682A (en) * | 2020-06-04 | 2020-10-30 | 浙江义利汽车零部件有限公司 | Engine cooling water jacket system, engine cooling method and vehicle |
| CN113236434A (en) * | 2021-04-27 | 2021-08-10 | 重庆隆鑫机车有限公司 | Cooling water jacket and engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463752A (en) * | 2008-12-11 | 2009-06-24 | 奇瑞汽车股份有限公司 | Cooling system of engine |
| CN102042116A (en) * | 2010-12-24 | 2011-05-04 | 奇瑞汽车股份有限公司 | Engine cooling water jacket |
| CN103835830A (en) * | 2012-11-21 | 2014-06-04 | 重庆长安汽车股份有限公司 | Cross type cooling water jacket of cylinder head of three-cylinder supercharged engine |
| CN203702312U (en) * | 2013-12-31 | 2014-07-09 | 玉柴联合动力股份有限公司 | Bypass type engine cooling system |
-
2015
- 2015-03-17 CN CN201510116442.7A patent/CN104832311B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463752A (en) * | 2008-12-11 | 2009-06-24 | 奇瑞汽车股份有限公司 | Cooling system of engine |
| CN102042116A (en) * | 2010-12-24 | 2011-05-04 | 奇瑞汽车股份有限公司 | Engine cooling water jacket |
| CN103835830A (en) * | 2012-11-21 | 2014-06-04 | 重庆长安汽车股份有限公司 | Cross type cooling water jacket of cylinder head of three-cylinder supercharged engine |
| CN203702312U (en) * | 2013-12-31 | 2014-07-09 | 玉柴联合动力股份有限公司 | Bypass type engine cooling system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439664A (en) * | 2019-07-10 | 2019-11-12 | 重庆小康工业集团股份有限公司 | A kind of cooling system of automobile engine |
| CN111852682A (en) * | 2020-06-04 | 2020-10-30 | 浙江义利汽车零部件有限公司 | Engine cooling water jacket system, engine cooling method and vehicle |
| CN111852682B (en) * | 2020-06-04 | 2022-04-05 | 浙江义利汽车零部件有限公司 | Engine cooling water jacket system, engine cooling method and vehicle |
| CN113236434A (en) * | 2021-04-27 | 2021-08-10 | 重庆隆鑫机车有限公司 | Cooling water jacket and engine |
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| Publication number | Publication date |
|---|---|
| CN104832311B (en) | 2018-09-11 |
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