CN201041068Y - Cooling water passageway structure for water-cooled engine - Google Patents
Cooling water passageway structure for water-cooled engine Download PDFInfo
- Publication number
- CN201041068Y CN201041068Y CNU2007201393997U CN200720139399U CN201041068Y CN 201041068 Y CN201041068 Y CN 201041068Y CN U2007201393997 U CNU2007201393997 U CN U2007201393997U CN 200720139399 U CN200720139399 U CN 200720139399U CN 201041068 Y CN201041068 Y CN 201041068Y
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- Prior art keywords
- cooling water
- cylinder block
- cylinder
- chamber
- hole
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- Expired - Lifetime
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- 239000000498 cooling water Substances 0.000 title claims abstract description 190
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 239000011148 porous material Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The task of the utility model is to communicate a cooling water chamber which is in a cylinder body with a cooling water channel which is outside of the cylinder body without reducing the strength of the cylinder body. The utility model provides a cooling water channel structure of a water cooling type engine (1). Wherein, the cooling water is supplied to the cooling water chamber (40) by the cooling water channel (53) from a water pump (28). The cooling water channel (53) is arranged outside the cylinder body (2). The cooling water chamber (40) is formed in the cylinder body. A cooling water hole (2b) is arranged on the lateral wall of the cylinder body (2) where is avoided from a cylinder cap screw flange formed on the cylinder body (2), and a lubrication oil channel (44). Therefore, the cooling water chamber (40) and the cooling water channel (53) are communicated by the cooling water hole (2b).
Description
Technical field
The present invention relates to supply with the cooling water path structure of the water-cooled engine of cooling water by cooling water path to cooling water chamber from water pump, described cooling water path is configured in outside the cylinder block, and described cooling water chamber is formed in the cylinder block.
Background technique
In the past, known have a following water-cooled engine, promptly, above cylinder block, dispose cooling water tank, simultaneously, around the cylinder of cylinder block, form cooling water chamber, connect cooling water tank and cooling water chamber, by delivering to and come cooling cylinder (for example with reference to patent documentation 1) in the cooling water chamber being stored in cooling water in the cooling water tank by cooling water path by cooling water path.In such motor, on the cylinder block sidewall, be provided with the cooling water hole that leads to cooling water path, be communicated with cooling water chamber by this cooling water hole cooling water path.In addition, form oil passage near the cooling chamber of cylinder block, this oil passage is communicated with the valve arm chamber that is made of cylinder head and engine hood, can be lubricated.
[patent documentation 1] spy opens the 2006-29206 communique
Summary of the invention
The problem that invention will solve
In the cooling water path structure of existing water-cooled engine, with the mode of the axle center unanimity mutual with respect to cooling water path cooling water hole is set, promptly from the inlet of the cooling water chamber of cooling waterpump, so cooling water hole interferes with the cylinder head bolt flange that forms around cylinder, for fear of interference, the part of cylinder head bolt flange is cut down.Therefore, the problem of cylinder block reduction in strength has taken place.In addition, when disposing cooling water hole in the mode of avoiding interfering with the cylinder head bolt flange, interfere with lubricating oil path, it is difficult that its configuration becomes.
Be used to solve the scheme of problem
The present invention will solve above problem, the following describes the scheme that is used to solve this problem.
Promptly, a first aspect of the present invention relates to a kind of cooling water path structure of water-cooled engine, supply with cooling water by cooling water path to cooling water chamber from cooling waterpump, described cooling water path is configured in outside the cylinder block, described cooling water chamber is formed in the cylinder block, on the sidewall of described cylinder block, on the position of avoiding being formed at cylinder head bolt flange on this cylinder block and oil passage, cooling water hole is set, be communicated with described cooling water chamber and cooling water path by this cooling water hole.
In the second aspect of invention, dispose liner being arranged between described cooling water hole on the sidewall of described cylinder block and the described cooling water path, the intercommunicating pore that is communicated with cooling water path and cooling water hole is set on this liner.
In the third aspect of invention, the diameter of the intercommunicating pore of described liner is formed bigger than the diameter of described cooling water hole.
In the fourth aspect of invention, the center of intercommunicating pore that makes described liner is with respect to the center off-centre of described cooling water hole.
The effect of invention
As effect of the present invention, can bring into play effect as follows.
In the first aspect of invention, needn't cut down the cylinder head bolt flange of cylinder block for described cooling water hole is set.Therefore, can fully guarantee the cylinder head bolt flange, keep the intensity of cylinder block, can also easily dispose oil passage.
In the second aspect of invention, when described cooling water hole being arranged on the position of avoiding cylinder head bolt flange and oil passage, even the outlet of cooling water hole and cooling water path is inconsistent, also can be communicated with both, can improve the degrees of freedom of the position of outlet that cooling water path is set and cooling water hole by liner.In addition, when constituting cooling water path, can not reduce its installation strength ground Pipe Flange is installed on the cylinder block by Pipe Flange etc.
In the third aspect of invention, described cooling water hole is configured on the position of avoiding cylinder head bolt flange and oil passage, even when departing from a bit with respect to cooling water path, also can successfully supply with cooling water by cooling water hole to cooling water chamber from cooling water path by the intercommunicating pore of liner in its position.
In the fourth aspect of invention, when constituting described cooling water path, its assembly department is departed from downwards by Pipe Flange etc., can be securely fixed on the thicker cylinder block of wall.In addition, also can not consider the exit position of cooling water path, on the cylinder block cooling water hole is being configured in not on the position of interfering with cylinder head bolt flange and oil passage.
Description of drawings
Fig. 1 is the integrally-built left side view of the motor of expression one embodiment of the present of invention.
Fig. 2 is the front view of expression said structure.
Fig. 3 is the local right flank sectional drawing of expression said structure.
Fig. 4 is that X-X among Fig. 1 is to pseudosection.
Fig. 5 is the partial enlarged drawing among Fig. 4.
Embodiment
The following describes the working of an invention mode.
Fig. 1 is the integrally-built left side view of the motor of expression one embodiment of the present of invention, Fig. 2 is the front view of expression said structure, Fig. 3 is the local right flank sectional drawing of expression said structure, Fig. 4 be X-X among Fig. 1 to pseudosection, Fig. 5 is the partial enlarged drawing among Fig. 4.
As shown in Figure 1 and Figure 2, when water-cooled engine 1 of the present invention is horizontal h type engine h, in this motor 1, be provided with the cooling water tank 3 of storing cooling water and the fuel tank 4 of storing fuel, be provided with the food tray 5 of storing lubricant oil at downside at the upside of cylinder block 2.And be provided with cylinder head 6 in the front side of cylinder block 2, above this cylinder head 6, be provided with air filter 7 and exhaust silencer 8 in the place ahead of cooling water tank 3.
On described cylinder head 6, form intakeport that is communicated with air filter 7 and the relief opening that is communicated with exhaust silencer 8, simultaneously, as shown in Figure 3, be provided with Aspirating valves and outlet valve 12, fuel injection valve 13 etc.And engine hood 15 is installed in the front portion of the side opposite of cylinder head 6 with cylinder block 2, and portion forms valve arm chamber 16 within it, is provided with valve actuating gear in this valve arm chamber 16, and it is equipped with the valve arm 18 that is used for switch Aspirating valves and outlet valve 12 respectively etc.
In addition, gear-box 21 is installed in a side of described cylinder block 2, in this gear-box 21, take in an end that is fixedly installed on bent axle 22 crankshaft gear 23, be used for the various gears of the transmission of power of this bent axle 22 to each several parts such as cam and pumps.On the other hand, in a side opposite with the gear-box 21 of cylinder block 2, dispose the flywheel 25 that is fixedly installed on bent axle 22 the other ends, simultaneously, be provided with from the cooling water chamber 40 of cooling water tank 3 in cylinder block 2 carry the cooling waterpump 28 of cooling waters and from food tray 5 to gear-box 21 in and the lubricating pump of valve arm chamber 16 conveying lubricant oil etc.
In described cylinder block 2, as shown in Figure 3, portion is formed with cylinder 30 along horizontal (front and back) direction within it, has taken in piston 31 in this cylinder 30.And be supported with described bent axle 22 at the square upward axis vertical with the axle direction of cylinder 10, and the piston 31 in this bent axle 22 and the cylinder 30 links by connecting rod 33, and this piston 31 is along with rotation to-and-fro motion in cylinder 10 of bent axle 22.
As shown in Figure 4, around described cylinder (cylinder sleeve) 30, be provided with the space of hollow shape in the mode of surrounding cylinder 30 as cooling water chamber 40, simultaneously, cylinder head bolt flange 2a, 2a, 2a, 2a form and the axis direction almost parallel in the mode that separates proper spacing around cylinder 30.Cooling water chamber 40 is the spaces that are used for cooling cylinder 30 or cylinder block 3 etc., can make flow of cooling water, flow through by the cooling water that makes the cooling water tank of carrying by this cooling waterpump 28 3, cooling cylinder 30 and on every side, and can make this cooled cooling water be back to cooling water tank 3.
Described cylinder head bolt flange 2a, 2a, 2a, 2a screw in each cylinder head bolt 42 to be configured with cooling water chamber 40 contacted modes from the place ahead, cylinder head 6 can be fixed on the cylinder block 2.In addition, around described cylinder 30, form the hole with axle direction almost parallel ground towards the mode that cylinder head 6 extends, can carry lubricant oil to valve arm chamber 16 from lubricating pump by this oil passage 44 with cylinder 30 as oil passage 44.
As shown in Figure 1 and Figure 2, described cooling waterpump 28 is fixed on the sidewall by cylinder block 2 outsides of the cooling water chamber 40 of cylinder head 6 (preceding), can be driven by the power transmitting deice of bent axle 22 by belt wheel and belt etc., Pipe Flange 51 that extends downwards by the exhaust port from this cooling waterpump 28 and the liner 60 that is located at its front end are communicated with the inlet of cooling water chamber 40.The inlet of this cooling water chamber 40 is configured in the bottom near the sidepiece of the cylinder block 2 of the highest cylinder head 6 of temperature.And the cooling water rising that becomes high temperature of having cooled off behind the cylinder 30 is got back in the cooling water tank 3.
Like this, as shown in Figure 4, can supply to the interior cooling water chamber 40 of cylinder block 2 to the cooling water in the cooling water tank 3 with cooling waterpump 28 by being formed on cooling water path 53 in the Pipe Flange 51.At this, on the assembly department of the Pipe Flange 51 of cylinder block 2,, be provided with the cooling water hole 2b of the cooling water path 53 of leading to this Pipe Flange 51 as the inlet that leads to cooling water chamber 40, can be communicated with cooling water path 53 and cooling water chamber 40 by this cooling water hole 2b.
As mentioned above, because lead to the position that the inlet of cooling water chamber 40 is located at the preceding bottom that is limited to cylinder block 2, so described cooling water hole 2b on the sidewall of cooling waterpump 28 sides of cylinder block 2, leave cylinder head bolt flange 2a, 2a, 2a, 2a and the oil passage 44 of the peripheral part that is configured in cooling water chamber 40, avoid this cylinder head bolt flange 2a, 2a, 2a, 2a and oil passage 44, be configured in they hands-off positions on.
Promptly, as Fig. 4, shown in Figure 5, about cooling water chamber 40 following a side, at cylinder head spiral shell inspection flange 2a and oil passage 44 when being configured on the fore-and-aft direction, cooling water hole 2b is configured on the sidewall of cylinder block 2 and opening, and described cylinder block 2 leaves predetermined distance from cylinder head bolt flange 2a and oil passage 44 to the side.And cooling water chamber 40 peripheral part above cylinder head bolt flange 2a forms detour road 40a, is communicated with cooling water hole 2b on this detour road 40a.Like this, even do not change the shape of cylinder head bolt flange 2a, also can make the cooling water flow of carrying from cooling water path 53 to cooling water chamber 40.But described detour road 40a also can be formed on the below peripheral part of cylinder head bolt flange 2a, at this moment, is communicated with lower dent 2c shown in Figure 5.
As described above, supplying with the cooling water path structure of water-cooled engine 1 of cooling waters by being configured in cooling water path 53 outside the cylinder block 2 cooling water chamber 40 in being formed on cylinder block 2 from cooling waterpump 28, on the sidewall of described cylinder block 2, on the position of cylinder head bolt flange 2a that avoids being formed at this cylinder block 2 and oil passage 44, cooling water hole 2b is set, be communicated with described cooling water chamber 40 and cooling water path 53 by this cooling water hole 2b, so just needn't cut down the cylinder head bolt flange 2a of cylinder block 2 for this cooling water hole 2b is set.Therefore, can fully guarantee cylinder head bolt flange 2a, keep the intensity of cylinder block 2, can also easily dispose oil passage 44.
And then, in the present embodiment, liner 60 is installed between described Pipe Flange 51 and cylinder block 2, by be contained in intercommunicating pore 60a on this liner 60 can connecting tube the cooling water path 53 of flange 51 and the cooling water hole 2b of cylinder block 2.This liner 60 overlaps configuration to its intercommunicating pore 60a with cooling water hole 2b, by fastening pieces such as bolt 62 cylinder block 2 and Pipe Flange 51 is tightened together.And cooling water path 53 also can be provided with pipe arrangement different with Pipe Flange 51 etc., is configured in outside the cylinder block 2.
In described liner 60, form intercommunicating pore 60a in mode with the axle direction almost parallel of cooling water path 53 and cooling water hole 2b, be communicated with in of the outlet of one side with cooling water path 53, be communicated with cooling water hole 2b (inlet of cooling water chamber 40) at opposite side.Like this, cooling water path 53 and cooling water chamber 40 are communicated with by intercommunicating pore 60a and cooling water hole 2b, formation is led to the path of the cooling water of cooling water chamber 40 from cooling waterpump 28, and the cooling water by these cooling waterpump 28 cooling water tanks 3 can be by the cooling water path 53 of Pipe Flange 51, supply to cooling water chamber 40 through the intercommunicating pore 60a of liner 60 and the cooling water hole 2b of cylinder block 2 sidewalls in turn.
As described above, in the cooling water path structure of described water-cooled engine 1, configuration liner 60 between described cooling water hole 2b on the sidewall that is arranged at described cylinder block 2 and described cooling water path 53, the intercommunicating pore 60a that is communicated with cooling water path 53 and cooling water hole 2b is set on this liner 60, when cooling water hole 2b being arranged on the position of avoiding cylinder head bolt flange 2a and oil passage 44, even cooling water hole 2b is inconsistent with the outlet of cooling water path 53, also can be communicated with both, can improve the degrees of freedom of the position of outlet that cooling water path 53 is set and cooling water hole 2b by liner 60.In addition, the installation strength ground that can not reduce the Pipe Flange 51 that constitutes cooling water path 53 is installed in this Pipe Flange 51 on the cylinder block 2.
In addition, in described liner 60, the diameter D1 of intercommunicating pore 60a forms bigger than the diameter D2 of cooling water hole 2b, can overlap with cooling water hole 2b by a part that makes this intercommunicating pore 60a to be communicated with cooling water path 53 and cooling water hole 2b.Like this, in the cooling water path structure of described water-cooled engine 1, form bigger by diameter D1 than the footpath D2 of cooling water hole 2b with the intercommunicating pore 60a of described liner 60, this cooling water hole 2b can be configured on the position of avoiding cylinder head bolt flange 2a and oil passage 44, even when some departs from, also can successfully supply to cooling water chamber 40 to cooling water from cooling water path 53 by cooling water hole 2b with respect to cooling water path 53 by the intercommunicating pore 60a of liner 60 in this position.
In addition, for described liner 60, make center O 2 off-centre of the center O 1 of intercommunicating pore 60a, in can making this intercommunicating pore 60a and scope that cooling water hole 2b overlaps, be configured on the arbitrary position of cylinder block 2, can be communicated with cooling water path 53 and cooling water hole 2b with respect to cooling water hole 2b.Like this, in the cooling water path structure of described water-cooled engine 1, the center O 2 of intercommunicating pore 60a by making described liner 60 is with respect to center O 2 off-centre of cooling water hole 2b, the assembly department of the Pipe Flange 51 that constitutes cooling water path 53 is departed from downwards, can be securely fixed on the thicker cylinder block of wall 2.In addition, also can not consider the exit position of cooling water path 53, on the cylinder block cooling water hole 2b is being configured in not on the position of interfering with cylinder head bolt flange 2a and oil passage 44.
Claims (4)
1. the cooling water path structure of a water-cooled engine, supply with cooling water by cooling water path to cooling water chamber from cooling waterpump, described cooling water path is configured in outside the cylinder block, described cooling water chamber is formed in the cylinder block, it is characterized in that, on the sidewall of described cylinder block, on the position of avoiding being formed at cylinder head bolt flange on this cylinder block and oil passage, cooling water hole is set, be communicated with described cooling water chamber and cooling water path by this cooling water hole.
2. the cooling water path structure of water-cooled engine as claimed in claim 1, it is characterized in that, dispose liner being arranged between described cooling water hole on the sidewall of described cylinder block and the described cooling water path, the intercommunicating pore that is communicated with cooling water path and cooling water hole is set on this liner.
3. the cooling water path structure of water-cooled engine as claimed in claim 2 is characterized in that, the diameter of the intercommunicating pore of described liner is formed bigger than the diameter of described cooling water hole.
4. the cooling water path structure of water-cooled engine as claimed in claim 3 is characterized in that, the center of intercommunicating pore that makes described liner is with respect to the center off-centre of described cooling water hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006171263 | 2006-06-21 | ||
| JP2006171263A JP4605607B2 (en) | 2006-06-21 | 2006-06-21 | Cooling water passage structure for water-cooled engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041068Y true CN201041068Y (en) | 2008-03-26 |
Family
ID=39006916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201393997U Expired - Lifetime CN201041068Y (en) | 2006-06-21 | 2007-03-29 | Cooling water passageway structure for water-cooled engine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4605607B2 (en) |
| CN (1) | CN201041068Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452690A (en) * | 2012-06-01 | 2013-12-18 | 蒋一民 | Water-cooled internal combustion engine cylinder head and water-cooled internal combustion engine with same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005344559A (en) * | 2004-06-01 | 2005-12-15 | Suzuki Motor Corp | Cooling structure for engine |
-
2006
- 2006-06-21 JP JP2006171263A patent/JP4605607B2/en not_active Expired - Fee Related
-
2007
- 2007-03-29 CN CNU2007201393997U patent/CN201041068Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452690A (en) * | 2012-06-01 | 2013-12-18 | 蒋一民 | Water-cooled internal combustion engine cylinder head and water-cooled internal combustion engine with same |
| CN103452690B (en) * | 2012-06-01 | 2017-02-08 | 上海交通大学 | Water-cooled internal combustion engine cylinder head and water-cooled internal combustion engine with same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4605607B2 (en) | 2011-01-05 |
| JP2008002317A (en) | 2008-01-10 |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080326 |