CN101963109A - Machine body water channel structure of line water cooled engine - Google Patents
Machine body water channel structure of line water cooled engine Download PDFInfo
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- CN101963109A CN101963109A CN 201010526482 CN201010526482A CN101963109A CN 101963109 A CN101963109 A CN 101963109A CN 201010526482 CN201010526482 CN 201010526482 CN 201010526482 A CN201010526482 A CN 201010526482A CN 101963109 A CN101963109 A CN 101963109A
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Abstract
The invention relates to a machine body water channel structure of a line water cooled engine. The machine body water channel structure of the line water cooled engine comprises a machine body and is characterized in that: a total cooling water inlet is arranged on the lower part of a first cylinder hole of the machine body; a partition board water through hole is arranged on a connecting partition board; an air outlet side cooling water channel on the upper part of a first cylinder, an air outlet side cooling water channel on the upper part of a second cylinder and air inlet side cooling water channels on the upper parts of the cylinders are formed on the air inlet side and the air outlet side of the machine body; and an air outlet side water channel hole on the top of a first machine body, an air outlet side water channel hole on the top of a second machine body and air inlet side water channel holes on the top of the machine body are formed on the air inlet side and the air outlet side of the machine body. In the machine body water channel structure, the cooling water enters a cooling water cavity on the lower part of the first cylinder hole from the total water inlet and is forcibly cooled from back to front and from bottom to top, so that a cylinder sleeve of each cylinder can be cooled uniformly; the total cooling water inlet is low in position and has a big opening, so the vibration of the lower part of each cylinder sleeve is small, water flow is mild and cavitation of each cylinder sleeve can be avoided; and the machine body does not need to be provided with water channels, so the structure of the machine body is simplified and the machine body is cast simply.
Description
Technical field
The present invention relates to a kind of body channel structure of water cooled engine in upright arrangement, be used for the cooling of each cylinder cylinder sleeve, belong to field of power equipment technology.
Background technique
The layout of general water-cooled engine body water channel in upright arrangement is that the cloth water channel is arranged in body upper, each cylinder is provided with tapping hole, cooling water enters tapping hole by the cloth water channel, cool off each cylinder respectively by tapping hole again, make the cooling in advance of the hottest part in cylinder liner top, and the bottom utilizes the temperature difference to produce convection current or turbulent flow cools off, but the bottom also has the slough, inhomogeneous cooling is even around making cylinder sleeve, and cylinder liner produces high temperature when work.Simultaneously this layout is little because of the tapping hole passage, tapping hole place current rapidly, current are directly aimed at cylinder liner, make cylinder liner be subject to cavitation pitting, influences engine performance and reliability, and need to arrange the cloth water channel in body upper, make body casting complexity.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, thereby a kind of body channel structure of water cooled engine in upright arrangement is provided.This body water channel cooling water back to front, force cooling from bottom to top, make each cylinder cylinder sleeve cooling evenly, this layout is low because of cooling water total water inlet position simultaneously, and import is big, the vibration that the cylinder liner bottom is subjected to is little, the water flows gently, helps preventing the cylinder liner cavitation pitting, and need not to arrange the cloth water channel because of body, housing construction is simplified, and casting is simple.
According to technological scheme provided by the invention, a kind of body channel structure of water cooled engine in upright arrangement comprises first housing top exhaust side water channel hole, second housing top exhaust side water channel hole, body jacking gas side water channel hole, connect dividing plate, the first cylinder top exhaust side cooling water channel, the second cylinder top exhaust side cooling water channel, the top cooling water chamber, the bottom cooling water chamber, body, cylinder top air inlet side cooling water channel and crankcase, second cylinder-bore on the described body, first cylinder-bore is in upright arrangement and arranges, underpart is provided with crankcase, second cylinder-bore at body, be provided with the connection dividing plate between first cylinder-bore, the lower circumference of described first cylinder-bore is furnished with the bottom cooling water chamber, the top circumference of described first cylinder-bore has the top cooling water chamber, between the bottom of first cylinder-bore cooling water chamber and top cooling water chamber, be furnished with small channel, feature is: the lower disposed of first cylinder-bore of described body has the cooling water total water inlet, be furnished with the dividing plate water port on the described connection dividing plate, the described first cylinder top exhaust side cooling water channel, the second cylinder top exhaust side cooling water channel and cylinder top air inlet side cooling water channel are arranged in body and advance, the exhaust both sides, first housing top exhaust side water channel hole, second housing top exhaust side water channel hole and body jacking gas side water channel hole are arranged in body and advance, the exhaust both sides.
The cooling water total water inlet of the described first cylinder-bore bottom is square, and is arranged in the body exhaust side.
Dividing plate water port on the described connection dividing plate is up-small and down-big, all around the trapezoidal hole of rounding.
Described body top leads to first housing top exhaust side water channel hole, second housing top exhaust side water channel hole, body jacking gas side water channel hole and the first cylinder-bore top of the cylinder cap first cylinder top exhaust side cooling water channel, the second cylinder top exhaust side cooling water channel towards cylinder cap, and cylinder top air inlet side cooling water channel communicates one by one.
Compared with the prior art the present invention has the following advantages:
The present invention is simple, compact and reasonable for structure; Owing to the cooling water total water inlet is arranged in the exhaust side of first cylinder-bore, and on each cylinder connection dividing plate, all be furnished with the dividing plate water port, and the cooling water channel that each cylinder-bore top leads to cylinder cap is arranged in body and advances, the exhaust both sides, the water channel hole that body top leads to cylinder cap is arranged in body and advances, the exhaust both sides, cooling water back to front like this, force cooling from bottom to top, make each cylinder cylinder sleeve cooling evenly, this layout is low because of cooling water total water inlet position simultaneously, and import is big, the vibration that the cylinder liner bottom is subjected to is little, the water flows gently, helps preventing the cylinder liner cavitation pitting, and need not to arrange the cloth water channel because of body, housing construction is simplified, and casting is simple.
Description of drawings
Fig. 1 is body top view of the present invention part.
Fig. 2 is that the M of Fig. 1 is to rotation body exhaust side figure part.
Fig. 3 is the local figure of A1～A1 body vertical profile of Fig. 1.
Fig. 4 is the local figure of A2～A2 body vertical profile of Fig. 1.
Fig. 5 is the second cylinder top exhaust side cooling water channel of A3～A3 body first cylinder-bore of Fig. 1
With second housing top exhaust side water channel hole sectional view.
Fig. 6 is the first cylinder top exhaust side cooling water channel and the first housing top exhaust side water channel hole sectional view of A4～A4 body first cylinder-bore of Fig. 1.
Fig. 7 is the cylinder top air inlet side cooling water channel and the body jacking gas side water channel hole sectional view of A5～A5 body first cylinder-bore of Fig. 1.
Fig. 8 is the body first cylinder-bore sectional view of the present invention.
Embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
As Fig. 1～shown in Figure 2, comprise second cylinder-bore 1, first cylinder-bore 2, first housing top exhaust side water channel hole 3, second housing top exhaust side water channel hole 4, body jacking gas side water channel hole 5, cooling water total water inlet 6, connect dividing plate 7, small channel 8, the first cylinder top exhaust side cooling water channel 9, the second cylinder top exhaust side cooling water channel 10, cylinder-bore top cooling water chamber 11, cylinder-bore bottom cooling water chamber 12, body 13, cylinder top air inlet side cooling water channel 14, dividing plate water port 15, crankcase 16 etc.
Second cylinder-bore 1 on the present invention's water-cooled engine body 13 in upright arrangement, first cylinder-bore 2 is in upright arrangement and arranges, body 13 bottoms are crankcase 16, between second cylinder-bore 1 of body 13 and first cylinder-bore 2, be provided with and be connected dividing plate 7, the lower circumference of first cylinder-bore 2 is furnished with bottom cooling water chamber 12, top circumference in first cylinder-bore 2 has top cooling water chamber 11, bottom cooling water chamber 12 and 11 of top cooling water chambeies in first cylinder-bore 2 are furnished with small channel 8, lower disposed in first cylinder-bore 2 of body 13 has cooling water total water inlet 6, being connected between second cylinder-bore 1 and first cylinder-bore 2 is furnished with dividing plate water port 15 on the dividing plate 7, first cylinder-bore, 2 tops lead to the first cylinder top exhaust side cooling water channel 9 of cylinder cap, the second cylinder top exhaust side cooling water channel 10, cylinder top air inlet side cooling water channel 14 is arranged in body 13 and advances, the exhaust both sides, body 13 tops lead to the first housing top exhaust side water channel hole 3 of cylinder cap, second housing top exhaust side water channel hole 4, body jacking gas side water channel hole 5 is arranged in body 13 and advances, the exhaust both sides.
The cooling water total water inlet 6 of described first cylinder-bore 2 bottoms is square, and is arranged in body 13 exhaust sides.
Dividing plate water port 15 on the described connection dividing plate 7 is up-small and down-big, all around the trapezoidal hole of rounding.
Described body 13 tops lead to first housing top exhaust side water channel hole 3, second housing top exhaust side water channel hole 4, body jacking gas side water channel hole 5 and first cylinder-bore, 2 tops of the cylinder cap first cylinder top exhaust side cooling water channel 9, the second cylinder top exhaust side cooling water channel 10 towards cylinder cap, and cylinder top air inlet side cooling water channel 14 communicates one by one.
Cooling water enters the bottom cooling water chamber 12 of first cylinder-bore 2 from the first cylinder-bore cooling water total water inlet 6 during work, cool off the moisture two-way afterwards, one road cooling water is by the bottom cooling water chamber 12 of first cylinder-bore 2 small channel 8 by 11 of cylinder-bore bottom cooling water chamber 12 and top cooling water chambeies, enter the top cooling water chamber 11 of first cylinder-bore 2, enter the first cylinder top exhaust side cooling water channel 9 from cylinder-bore top cooling water chamber 11 again towards cylinder cap, the second cylinder top exhaust side cooling water channel 10, cylinder top air inlet side cooling water channel 14, again by the first cylinder top exhaust side cooling water channel 9, the second cylinder top exhaust side cooling water channel 10, cylinder top air inlet side cooling water channel 14 arrives body 13 first housing top exhaust side water channel holes 3, second housing top exhaust side water channel hole 4, body jacking gas side water channel hole 5 leads to the cylinder head cooling water road at last.The bottom cooling water chamber 12 of another route first cylinder-bore 2 is by the dividing plate water port 15 on the dividing plate 7 of being connected between first cylinder-bore 2 and second cylinder-bore 1, enter the bottom cooling water chamber 12 of second cylinder-bore 1, just be divided into two-way more afterwards as the cooling water of first cylinder-bore 2, so repeatedly, all arrive the cooling water hole that leads to cylinder cap of each cylinder body jacking, exhaust side until each cylinder cooling water, lead to the cylinder head cooling water road at last, finally bring out water from the cylinder cap exhaust side.
In a word, the body water channel of water cooled engine in upright arrangement of the present invention, simple in structure, compact, rationally, by cooling water total water inlet 6 being arranged in the exhaust side of first cylinder-bore, 2 bottoms, and being connected between second cylinder-bore 1 of body 13 and first cylinder-bore 2 is furnished with dividing plate water port 15 on the dividing plate 7, advance on first cylinder-bore, 2 tops, the exhaust both sides are furnished with the first cylinder top exhaust side cooling water channel 9 towards cylinder cap, the second cylinder top exhaust side cooling water channel 10, cylinder top air inlet side cooling water channel 14, in body 13 jackings, exhaust side is furnished with the first housing top exhaust side water channel hole 3 towards cylinder cap, second housing top exhaust side water channel hole 4, body jacking gas side water channel hole 5, make cooling water back to front, force cooling from bottom to top, make each cylinder cylinder sleeve cooling evenly, this layout is low because of cooling water total water inlet 6 positions simultaneously, import is big, the vibration that the cylinder liner bottom is subjected to is little, the water flows gently, help preventing the cylinder liner cavitation pitting, and because of body 13 need not to arrange the cloth water channel, make body 13 designs simplifications, casting is simple.
Claims (4)
1. the body channel structure of a water cooled engine in upright arrangement, comprise first housing top exhaust side water channel hole (3), second housing top exhaust side water channel hole (4), body jacking gas side water channel hole (5), connect dividing plate (7), the first cylinder top exhaust side cooling water channel (9), the second cylinder top exhaust side cooling water channel (10), top cooling water chamber (11), bottom cooling water chamber (12), body (13), cylinder top air inlet side cooling water channel (14) and crankcase (16), second cylinder-bore (1) on the described body (13), first cylinder-bore (2) is in upright arrangement and arranges, body (13) bottom is provided with crankcase (16), second cylinder-bore (1) at body (13), be provided with between first cylinder-bore (2) and connect dividing plate (7), the lower circumference of described first cylinder-bore (2) is furnished with bottom cooling water chamber (12), the top circumference of described first cylinder-bore (2) has top cooling water chamber (11), between the bottom cooling water chamber (12) of first cylinder-bore (2) and top cooling water chamber (11), be furnished with small channel (8), it is characterized in that: first cylinder-bore (2) lower disposed of described body (13) has cooling water total water inlet (6), be furnished with dividing plate water port (15) on the described connection dividing plate (7), the described first cylinder top exhaust side cooling water channel (9), the second cylinder top exhaust side cooling water channel (10) and cylinder top air inlet side cooling water channel (14) are arranged in body (13) and advance, the exhaust both sides, first housing top exhaust side water channel hole (3), second housing top exhaust side water channel hole (4) and body jacking gas side water channel hole (5) are arranged in body (13) and advance, the exhaust both sides.
2. according to the body channel structure of claims 1 described a kind of water cooled engine in upright arrangement, the cooling water total water inlet (6) that it is characterized in that described first cylinder-bore (2) bottom is square, and is arranged in body (13) exhaust side.
3. according to the body channel structure of claims 1 described a kind of water cooled engine in upright arrangement, it is characterized in that the dividing plate water port (15) on the described connection dividing plate (7) is up-small and down-big, all around the trapezoidal hole of rounding.
4. according to the body channel structure of claims 1 described a kind of water cooled engine in upright arrangement, it is characterized in that described body (13) top leads to the first cylinder top exhaust side cooling water channel 9, the second cylinder top exhaust side cooling water channel 10 that lead to cylinder cap on first housing top exhaust side water channel hole 3, second housing top exhaust side water channel hole 4, body jacking gas side water channel hole 5 and first cylinder-bore (2) top of cylinder cap, cylinder top air inlet side cooling water channel 14 communicates one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010526482 CN101963109A (en) | 2010-10-31 | 2010-10-31 | Machine body water channel structure of line water cooled engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010526482 CN101963109A (en) | 2010-10-31 | 2010-10-31 | Machine body water channel structure of line water cooled engine |
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| Publication Number | Publication Date |
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| CN101963109A true CN101963109A (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010526482 Pending CN101963109A (en) | 2010-10-31 | 2010-10-31 | Machine body water channel structure of line water cooled engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653570A (en) * | 2021-08-04 | 2021-11-16 | 淄柴机器有限公司 | Marine diesel engine ductile iron body for preventing cavitation erosion and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002195033A (en) * | 2000-12-25 | 2002-07-10 | Yanmar Diesel Engine Co Ltd | Cylinder block cooling structure for water-cooled type internal combustion engine |
| CN201258794Y (en) * | 2008-09-03 | 2009-06-17 | 无锡开普机械有限公司 | Water-cooled engine |
| JP2009257107A (en) * | 2008-04-11 | 2009-11-05 | Toyota Motor Corp | Cylinder block cooling structure |
| CN101776023A (en) * | 2009-01-12 | 2010-07-14 | 广西玉柴机器股份有限公司 | Cylinder cooling water channel structure and engine |
| CN201858035U (en) * | 2010-10-31 | 2011-06-08 | 无锡开普动力有限公司 | Water channel structure for engine bodies of in-line water cooled engine |
-
2010
- 2010-10-31 CN CN 201010526482 patent/CN101963109A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002195033A (en) * | 2000-12-25 | 2002-07-10 | Yanmar Diesel Engine Co Ltd | Cylinder block cooling structure for water-cooled type internal combustion engine |
| JP2009257107A (en) * | 2008-04-11 | 2009-11-05 | Toyota Motor Corp | Cylinder block cooling structure |
| CN201258794Y (en) * | 2008-09-03 | 2009-06-17 | 无锡开普机械有限公司 | Water-cooled engine |
| CN101776023A (en) * | 2009-01-12 | 2010-07-14 | 广西玉柴机器股份有限公司 | Cylinder cooling water channel structure and engine |
| CN201858035U (en) * | 2010-10-31 | 2011-06-08 | 无锡开普动力有限公司 | Water channel structure for engine bodies of in-line water cooled engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653570A (en) * | 2021-08-04 | 2021-11-16 | 淄柴机器有限公司 | Marine diesel engine ductile iron body for preventing cavitation erosion and manufacturing method thereof |
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Application publication date: 20110202 |