CN203035325U - Internal combustion engine cooling device - Google Patents
Internal combustion engine cooling device Download PDFInfo
- Publication number
- CN203035325U CN203035325U CN 201220726321 CN201220726321U CN203035325U CN 203035325 U CN203035325 U CN 203035325U CN 201220726321 CN201220726321 CN 201220726321 CN 201220726321 U CN201220726321 U CN 201220726321U CN 203035325 U CN203035325 U CN 203035325U
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- cooling water
- cylinder head
- cylinder block
- 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.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 25
- 239000000498 cooling water Substances 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000004941 influx Effects 0.000 abstract 5
- 238000007789 sealing Methods 0.000 abstract 1
- 238000010304 firing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
Images
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides an internal combustion engine cooling device which is characterized in that a first influx inlet (11) used for cooling a cylinder body (10) and a second influx inlet (12) used for cooling a cylinder cover (20) are arranged beside the cylinder body (10). Cooling water discharged from a water pump (30) beside the cylinder body (10) flows into the first influx inlet (11) and the second influx inlet (12). The second influx inlet (12) is directly communicated with a second water outlet (32) of the water pump (30), and is provided with a communicating path (14) of a water jackets (22) formed by forcing the cooling water to flow into the cylinder cover from the side of the cylinder body (10). Outlet ports (24 and 25) used for discharging the cooling water from the water jackets (16 and 22) to outside are formed on the cylinder cover (20). By the aid of the structure adopted on the internal combustion engine cooling device, sealing performance of the cooling device of the internal combustion engine can be improved.
Description
Technical field
The utility model relates to a kind of cooling unit of internal-combustion engine, and particularly a kind of have a cooling unit of internal-combustion engine of supplying with the pump of cooling water to cylinder head and cylinder block.
Background technique
In the past, to the cooling unit of the internal-combustion engine that cool off, that be equipped with water pump of the internal-combustion engine with cylinder head, cylinder block and crankcase known (for example with reference to patent documentation 1).
In the cooling unit of patent documentation 1 disclosed internal-combustion engine, side at crankcase, dispose to the water pump of cylinder head and cylinder block supply cooling water, and, in the side of cylinder block, be provided with the upside cooling water inlet that is communicated with the water jacket of cylinder head, and the downside cooling water inlet that is communicated with the water jacket of cylinder block.
In addition, between the upside cooling water inlet and downside cooling water inlet of the drain opening of water pump and cylinder block, connect by external pipe.The cooling water of therefore, discharging from water pump is fed into upside cooling water inlet and the downside cooling water inlet of cylinder block via pipeline.Then, the cooling water that is fed into the upside cooling water inlet is admitted in the water jacket of cylinder head; The cooling water that is fed into the downside cooling water inlet is admitted in the water jacket of cylinder block.
Yet, because in the cooling unit of the internal-combustion engine of in patent documentation 1, putting down in writing, be connected by external pipe between the drain opening of water pump and the cooling water inlet of cylinder block, so, must under the situation of taking into account the thermal expansion separately of water pump and cylinder block, the junction surface between them be sealed.
Equally, owing to be direct-connected by external pipe between the water jacket of the drain opening of water pump and cylinder head, so, must be under the situation of taking into account the thermal expansion separately of water pump, cylinder head and cylinder block, their junction surface is sealed.
Thereby, exist to be difficult to improve this technical problem of sealability.
[patent documentation 1]: TOHKEMY 2007-262928 communique
The model utility content
At above-mentioned technical problem, the purpose of this utility model is, a kind of cooling unit that can improve the internal-combustion engine of sealability is provided.
As the technological scheme that solves the problems of the technologies described above, the cooling unit of internal-combustion engine of the present utility model adopts following structure.
The cooling unit of the internal-combustion engine that the utility model is related, be that the internal-combustion engine with cylinder head and the cylinder block that is configured in this cylinder head below is cooled off, and dispose the cooling unit of the internal-combustion engine of pump in the side of described cylinder block, it is characterized in that: in the side of described cylinder block, be provided with the 1st inflow entrance for the cooling of described cylinder block, the 2nd inflow entrance with the cooling that is used for described cylinder head, the cooling water of discharging from described pump flows into described the 1st inflow entrance and described the 2nd inflow entrance respectively, described the 2nd inflow entrance directly is communicated with the drain opening of described pump, and described the 2nd inflow entrance possesses the access that makes cooling water flow directly into the water jacket that forms the described cylinder head from the side of described cylinder block, on described cylinder head, be formed with the outflow opening that described cooling water is discharged into the outside from described water jacket.
The strong point of cooling unit with internal-combustion engine of the present utility model of said structure is, from the cooling water of the pump of the side of cylinder block configuration, discharging the 2nd inflow entrance via the cylinder block that directly is communicated with the drain opening of pump, and flow directly in the water jacket of cylinder head.Therefore, the situation that flows directly into cylinder head with the drain opening that makes cooling water from pump via external pipe is compared, the cooling unit of internal-combustion engine of the present utility model does not need pipeline, its result, the cooling water flow path till from the drain opening of pump to the water jacket of cylinder head, the connection part that need carry out encapsulation process under the prerequisite of considering thermal expansion reduces, thereby can improve the sealability of cooling unit.
In addition, in said structure of the present utility model, can more specifically adopt described the 1st inflow entrance directly to be communicated with the drain opening of described pump, the described cooling water that flows into from described the 1st inflow entrance is via described cylinder block and described cylinder head, and the structure of discharging from the described outflow opening that is formed on the described cylinder head.
Description of drawings
Fig. 1 is the figure that the summary of cooling unit of the internal-combustion engine of expression present embodiment constitutes.
Fig. 2 is the stereogram of seeing from the below under the situation of cylinder head of present embodiment.
Fig. 3 is the stereogram of seeing from the top under the situation of cylinder block of present embodiment.
Embodiment
Below, with reference to accompanying drawing mode of execution of the present utility model is described.
The motor of present embodiment (internal-combustion engine) 100 possesses as shown in Figure 1: the cylinder head 20 of cylinder block 10, configuration above cylinder block 10, the other assembly (water pump 30) of motor, temp controller combination 40 and radiator 50.
As Fig. 1 and shown in Figure 3, in the side of cylinder block 10, dispose the water pump 30 that directly contacts with this cylinder block 10.Be formed with the 1st drain opening 31 and the 2nd drain opening 32 of discharging cooling water respectively on this water pump 30.
In addition, water pump 30 is the mechanical type water pumps (not detailed icon) by the crank-driven of motor 100.Between the crank pulley that arranges on the bent axle of the water pump pulley that arranges on the live axle of water pump 30 and motor 100, connect by belt.Thus, when bent axle drove, water pump 30 was driven by belt.
In the side of cylinder block 10, be formed with the 2nd inflow entrance 12 that makes cooling water flow into the 1st inflow entrance 11 of cylinder block 10 and make cooling water inflow cylinder head 20.The 1st inflow entrance 11 directly is communicated with the 1st drain opening 31 of water pump 30.The 2nd inflow entrance 12 directly is communicated with the 2nd drain opening 32 of water pump 30.
On the face of the top of cylinder block 10, as shown in Figure 3, be formed with the 2nd connection outflow opening 13 that cooling water is circulated to cylinder head 20.The 2nd connection is passed through the access 14(of formation in cylinder block 10 with reference to Fig. 1 with outflow opening 13) and be connected with the 2nd inflow entrance 12.
In the inside of cylinder block 10, as shown in Figure 3, dispose 4 linings 15 that are arranged in a row, to form the cylinder interior space.In addition, in the inside of cylinder block 10, be formed with the water jacket 16 of inducing cooling-water flow on every side along 4 linings 15.This water jacket 16 is so that the form that cooling water can circulate is connecting the 1st inflow entrance 11.
On the face below the cylinder head 20, as shown in Figure 2, be formed with the 2nd connection inflow entrance 21 that cooling water is flowed into.The 2nd is communicated with inflow entrance 21 so that the form that cooling water can circulate is communicated with outflow opening 13(with reference to Fig. 3 with the 2nd of cylinder block 10) be connected.In addition, in cylinder head 20, be formed with water jacket 22(for cooling air cylinder cap 20 with reference to Fig. 1).This water jacket 22 and the 2nd is communicated with and is connected with inflow entrance 21.
On the face below the cylinder head 20, be formed with 4 firing chamber 20a.Face above each firing chamber 20a is provided with, 2 air release valve hole 20b that are communicated with each exhaust port (not shown) and 2 inlet valve hole 20c that are communicated with each air inlet port (not shown).In addition, the face below cylinder head 20 is formed with, and is used for inserting inserting hole the 20d logical and cylinder head bolt (not shown) that cylinder block 10 is fixed.This inserting hole 20d is set to, be located at cylinder block 10 on interior threaded hole 10a(with reference to Fig. 3) corresponding.
Be formed with on the face of the below of cylinder head 20, be communicated with the 1st connection inflow entrance 23 that is connected with outflow opening 17 with the 1st of cylinder block 10 as shown in Figure 1.The 1st is communicated with inflow entrance 23 and is formed the path different with the interior water jacket of cylinder head 20 22.That is, the cooling water that in the water jacket 16 of cylinder block 10, flows and the water jacket 22 of cylinder head 20 in mobile cooling water have mutually different independently circulation path.
Be formed with in cylinder head 20, the 2nd outflow opening 25(that the 1st outflow opening 24 that the cooling water that will be circulated throughout in the water jacket 16 of cylinder block 10 is discharged and the cooling water that will be circulated throughout in the water jacket 22 of cylinder head 20 are discharged is with reference to Fig. 1).In addition, the cooling water from the 1st outflow opening 24 and 25 discharges of the 2nd outflow opening is fed into temp controller combination 40.
Below, the circulation path of cooling water is described.
As shown in Figure 1, the cooling water of discharging from the 1st drain opening 31 of water pump 30 flows in the cylinder block 10 via the 1st inflow entrance 11.Then, the cooling water that flow in the cylinder block 10 circulates in water jacket 16.At this moment, cooling water along 4 lining 15(with reference to Fig. 3) entire circumference flow equably.Its result, lining 15 and cylinder block 10 integral body are cooled off equably.
The cooling water that is circulated throughout in water jacket 16 is communicated with outflow opening 17 and the 1st connection via the 1st to be used in inflow entrance 23 and the inflow cylinder head 20.Then, the cooling water that flow in the cylinder head 20 is discharged from the 1st outflow opening 24 of cylinder head 20.Thereafter, from the 1st outflow opening 24(cylinder head 20) cooling water of discharging is fed into temp controller combination 40.
On the other hand, the cooling water of discharging from the 2nd drain opening 32 of water pump 30 flows in the cylinder block 10 via the 2nd inflow entrance 12.Then, flowing into cylinder block 10 interior cooling waters is communicated with in inflow entrance 21 and the inflow cylinder head 20 with outflow opening 13 and the 2nd via access 14, the 2nd connection.Thereafter, the cooling water that flow in the cylinder head 20 circulates in water jacket 22.
The cooling water that is circulated throughout in water jacket 22 is discharged from the 2nd outflow opening 25 of cylinder head 20.Thereafter, from the 2nd outflow opening 25(cylinder head 20) cooling water of discharging is fed into temp controller combination 40.
Temp controller makes up 40 water temperatures according to cooling water, decides the circulation path of cooling water.For example, if the water temperature of cooling water then supplies to cooling water water pump 30 below setting value.If the water temperature of cooling water then makes cooling water pass through after the radiator 50, be fed into water pump 30 again via temp controller combination 40 more than setting value.
Such as mentioned above, the cooling unit of employing present embodiment can obtain following beneficial effect.Namely, in the cooling unit of the internal-combustion engine of present embodiment, because the cooling water of discharging from the water pump 30 of the side of cylinder block 10 configuration is via the 2nd inflow entrance 12 of the cylinder block 10 that directly is communicated with the 2nd drain opening 32 of water pump 30, and flow in the water jacket 22 of cylinder head 20, so, the situation that flows directly into cylinder head 20 with the 2nd drain opening 32 that makes cooling water from water pump 30 via external pipe is compared, and does not need to arrange pipeline.Its result, the cooling water flow path till from the 2nd drain opening 32 of water pump 30 to the water jacket 22 of cylinder head 20, the connection part that need seal under the prerequisite of considering thermal expansion reduces, thereby can improve the sealability of cooling unit.
Claims (2)
1. the cooling unit of an internal-combustion engine is that the internal-combustion engine with cylinder head and the cylinder block that is configured in this cylinder head below is cooled off, and disposes the cooling unit of the internal-combustion engine of pump in the side of described cylinder block, it is characterized in that:
In the side of described cylinder block, be provided with for the 1st inflow entrance of the cooling of described cylinder block and be used for the 2nd inflow entrance of the cooling of described cylinder head,
The cooling water of discharging from described pump divides described the 1st inflow entrance of inflow and described the 2nd inflow entrance,
Described the 2nd inflow entrance directly is communicated with the drain opening of described pump, and described the 2nd inflow entrance possesses the access that makes cooling water flow directly into the water jacket that forms the described cylinder head from the side of described cylinder block,
On described cylinder head, be formed with the outflow opening that described cooling water is discharged into the outside from described water jacket.
2. the cooling unit of internal-combustion engine as claimed in claim 1 is characterized in that:
Described the 1st inflow entrance directly is communicated with the drain opening of described pump,
The described cooling water that flows into from described the 1st inflow entrance is via described cylinder block and described cylinder head, and discharges from the described outflow opening that is formed on the described cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726321 CN203035325U (en) | 2012-12-25 | 2012-12-25 | Internal combustion engine cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726321 CN203035325U (en) | 2012-12-25 | 2012-12-25 | Internal combustion engine cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035325U true CN203035325U (en) | 2013-07-03 |
Family
ID=48687458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220726321 Expired - Lifetime CN203035325U (en) | 2012-12-25 | 2012-12-25 | Internal combustion engine cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975932A (en) * | 2015-06-29 | 2015-10-14 | 重庆建设摩托车股份有限公司 | Whole-sealing internal circulation water cooling structure of motorcycle water-cooled engine |
| CN106065806A (en) * | 2015-04-24 | 2016-11-02 | 现代自动车株式会社 | Water pump |
-
2012
- 2012-12-25 CN CN 201220726321 patent/CN203035325U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065806A (en) * | 2015-04-24 | 2016-11-02 | 现代自动车株式会社 | Water pump |
| CN106065806B (en) * | 2015-04-24 | 2019-11-19 | 现代自动车株式会社 | Water pump |
| CN104975932A (en) * | 2015-06-29 | 2015-10-14 | 重庆建设摩托车股份有限公司 | Whole-sealing internal circulation water cooling structure of motorcycle water-cooled engine |
| CN104975932B (en) * | 2015-06-29 | 2018-04-20 | 重庆建设机电有限责任公司 | The totally-enclosed interior recirculated water cooling structure of cooling engine for motor cycle water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |