CN207554207U - A kind of cylinder cover for diesel engine - Google Patents
A kind of cylinder cover for diesel engine Download PDFInfo
- Publication number
- CN207554207U CN207554207U CN201721342573.8U CN201721342573U CN207554207U CN 207554207 U CN207554207 U CN 207554207U CN 201721342573 U CN201721342573 U CN 201721342573U CN 207554207 U CN207554207 U CN 207554207U
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- exhaust
- cylinder cap
- water cavity
- cap ontology
- cavity
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Abstract
The utility model discloses a kind of cylinder cover for diesel engine, including cylinder cap ontology, upper and lower spaced upper water cavity and lower water cavity are equipped in cylinder cap ontology, cylinder cap ontology is equipped with the water inlet of the lower water cavity of connection and the water outlet for connecting upper water cavity, upper water cavity and lower water cavity are connected with fuel injector installation cavity, the annular cooling water chamber around exhaust valve seat insert setting is additionally provided in cylinder cap ontology, annular cooling water chamber is connected with lower water cavity by intake tunnel, connected by drainage channel with upper water cavity.The cylinder cover for diesel engine is simple in structure, and Design of cooling Water jacket is reasonable, and fully each position of cylinder cap ontology can be cooled down.
Description
Technical field
The utility model is related to a kind of cylinder cover for diesel engine.
Background technology
Cylinder cover for diesel engine needs to bear larger thermic load and mechanical load, effective in order to be carried out to cylinder cover for diesel engine
Cool down, usually required in cylinder cover for diesel engine equipped with cooling water cavity, but since cylinder cover for diesel engine self structure is more complicated,
Therefore cooling water cavity is caused generally to set relatively difficult, the usually setting of the cooling water cavity in cylinder cover for diesel engine is then caused not conform to
Reason, so as to cause cylinder cover for diesel engine cooling efficiency low, affects the working efficiency of engine.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of simple in structure, Design of cooling Water jacket is reasonable, can be fully
The cylinder cover for diesel engine to cool.
In order to solve the above technical problems, the utility model includes cylinder cap ontology, there are two the bottom of the cylinder cap ontology is set
Inlet valve port and two exhaust doorways being arranged side by side with two inlet valve ports, between two inlet valve ports, two exhaust doorways
Between and inlet valve port and adjacent exhaust doorway between form four ridge areas, the side of the cylinder cap ontology is equipped with air inlet
Mouth and exhaust outlet, the middle part of the cylinder cap ontology are equipped with the inlet channel of connection air inlet and two inlet valve ports, connection exhaust
Mouthful and two exhaust doorways exhaust passages, the valve peace of installation inlet valve and exhaust valve is additionally provided at the top of the cylinder cap ontology
Hole is filled, the inlet valve seat ring being used cooperatively with inlet valve is installed on the inlet valve port, the exhaust doorway is equipped with and row
The exhaust valve seat insert that valve is used cooperatively is additionally provided with the fuel injector installation cavity of up/down perforation, knot in the middle part of the cylinder cap ontology
Structure feature is：Upper and lower spaced upper water cavity and lower water cavity are equipped in the cylinder cap ontology, the cylinder cap ontology, which is equipped with, to be connected
The water inlet of logical lower water cavity is connected with the water outlet for connecting upper water cavity, the upper water cavity and lower water cavity with fuel injector installation cavity,
The annular cooling water chamber around exhaust valve seat insert setting is additionally provided in the cylinder cap ontology, the annular cooling water chamber passes through water inlet
Channel is connected with lower water cavity, is connected by drainage channel with upper water cavity.
With the above structure, due to being provided with upper and lower spaced upper water cavity and lower water cavity in cylinder cap ontology, and it is cold
Water is to be introduced into lower water cavity, is recycled into upper water cavity later, therefore, can carry out fast prompt drop by highest cylinder cap body bottom portion to heat
Temperature, secondly, then the cylinder cap bodies top low to heat cools down, and therefore, can realize preferable cooling-down effect；Secondly, upper water
The water body of chamber is to enter upper water cavity across fuel injector installation cavity, therefore, can be to the cylinder cap body part of fuel injector and fuel injector lower end
Position carries out effective temperature-reducing；In addition, since exhaust valve seat insert has higher temperature, and the cylinder of the utility model during the work time
The annular cooling water chamber around exhaust valve seat insert setting is equipped in lid ontology, therefore, the part water body in lower water cavity is across ring
Shape cooling water cavity enters back into upper water cavity, so as to carry out effective temperature-reducing to exhaust valve seat insert, then ensure that the whole of cylinder cap ontology
Body cooling-down effect, improves job stability and working efficiency.
In order to which the ridge area to high temperature cools down, the lower water cavity is by passing through the connection water channel of four ridge areas with spraying
Oily device installation cavity connection.
In order to fully cool down to the cylinder cap body part of inlet valve port and exhaust doorway position, the lower water cavity is
Around two inlet valve ports and two exhaust doorway settings.
In order to fully cool down to cylinder cap body bottom portion, the height and position of the downside cavity wall of the lower water cavity is close to two
The height and position setting of the lower face of a inlet valve seat ring.
In order to which the cold water into lower water cavity is made first to cool down to the high temperature position of the cylinder cap ontology near exhaust doorway, institute
State the cylinder cap body bottom portion that water inlet is arranged in two exhaust doorway sides.
In order to be cooled down by upper water cavity to the cylinder cap body part near inlet channel and exhaust passage, the upper water
Chamber is set around inlet channel and exhaust passage.
In order to fully cool down to the cylinder cap body part near exhaust outlet, the water outlet is arranged on exhaust outlet side
Cylinder cap this body sidewall on, the water outlet is set close to exhaust outlet.
In conclusion the utility model is simple in structure, Design of cooling Water jacket is reasonable, can be fully to each portion of cylinder cap ontology
Position cools down.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of F-F and omission exhaust valve seat insert along Fig. 1；
Fig. 3 is the overlooking the structure diagram of the utility model；
Fig. 4 is the present invention looks up structural representation of Fig. 3；
Fig. 5 is the schematic cross-sectional view along the A-A in Fig. 3；
Fig. 6 is the schematic cross-sectional view along the D-D in Fig. 3；
Fig. 7 is the schematic cross-sectional view along the B-B in Fig. 5；
Fig. 8 is the schematic cross-sectional view along the C-C in Fig. 5；
Fig. 9 is the schematic cross-sectional view along the E-E in Fig. 3.
Specific embodiment
With reference to attached drawing, which includes cylinder cap ontology 1, and the bottom of cylinder cap ontology 1 sets that there are two inlet valve ports 2
With two exhaust doorways 3 being arranged side by side with two inlet valve ports, two inlet valve ports 2 and two exhaust doorways 3 are in matrix pattern
Distribution setting, therefore, between two inlet valve ports 2, between two exhaust doorways 3 and inlet valve port 2 and adjacent exhaust
Four ridge areas 4 are formed between doorway 3；Secondly, the side of cylinder cap ontology 1 is additionally provided with air inlet 5 and exhaust outlet 6, and cylinder cap sheet
Inlet channel of the middle part of body 1 equipped with connection air inlet 5 and two inlet valve ports 2 connects exhaust outlet 6 and two exhaust doorways 3
Exhaust passage, in addition, the top of cylinder cap ontology 1 be additionally provided with installation inlet valve and exhaust valve valve mounting hole, such as Fig. 5 institutes
Show, valve guide bushing 18 be installed in the valve mounting hole, secondly, be equipped on inlet valve port 2 with inlet valve be used cooperatively into
Valve retainer 7, exhaust doorway 3 are equipped with the exhaust valve seat insert 8 that is used cooperatively with exhaust valve, the inlet valve seat ring 7 and inlet valve,
Exhaust valve seat insert 8 and exhaust valve sufficiently sealed inlet valve port 2 and can be vented doorway 3, the inlet valve and exhaust valve in figure not
It shows；Secondly, the middle part of cylinder cap ontology 1 is additionally provided with the fuel injector installation cavity 9 of up/down perforation, can be installed in fuel injector installation cavity 9
Fuel injector, the fuel injector do not show that in figure, after fuel injector is mounted in fuel injector installation cavity 9, can install fuel injector
The both ends of chamber 9 are blocked.
With continued reference to attached drawing, in order to which each position to cylinder cap ontology 1 is fully cooled down, and also set in cylinder cap ontology 1
Have spaced upper water cavity 10 and lower water cavity 11 up and down, secondly, the upper water cavity 10 and lower water cavity 11 with fuel injector installation cavity 9
Connection, as shown in fig. 6, the middle part of upper water cavity 10 is directly connected with upper water cavity 10, and lower water cavity 11 is by passing through four bridge of the noses
The connection water channel 17 in area 4 is connected with fuel injector installation cavity 9, as shown in figure 8, the setting of four connection water channels 17 can be to the nose of high temperature
Beam area 4 carries out effective temperature-reducing；In addition, in order to by upper water cavity 10 to the cylinder cap ontology 1 near inlet channel and exhaust passage
Position cools down, and upper water cavity 10 is set around inlet channel and exhaust passage, i.e., upper water cavity 10 is provided in inlet channel and row
In 1 position of cylinder cap ontology of gas channel circumference；And in order to fully to the cylinder cap ontology 1 of inlet valve port 2 and exhaust 3 position of doorway
Position cools down, and lower water cavity 11 is set to surround two inlet valve ports 2 and two exhaust doorways 3, secondly, in order to abundant
Cool down to 1 bottom of cylinder cap ontology, the height and position of the downside cavity wall of lower water cavity 11 is close to the lower end of two inlet valve seat rings 7
The height and position setting in face.
As depicted in figs. 1 and 2, the side of cylinder cap ontology 1 is equipped with the water outlet 13 of connection upper water cavity 10, cylinder cap ontology 1
Bottom is equipped with the water inlet 12 of the lower water cavity 11 of connection, in order to fully cool down to 1 position of cylinder cap ontology near exhaust outlet 6,
Water outlet is preferably provided on 1 side wall of cylinder cap ontology of 6 side of exhaust outlet, meanwhile, water outlet is set close to exhaust outlet 6；And it is
The cold water into lower water cavity 11 is made first to cool down to the high temperature position of the cylinder cap ontology 1 near exhaust doorway 3, water inlet 12
It is set close to two exhaust doorways 3.
In addition, as shown in figures 7 and 9, the annular cooling water set around exhaust valve seat insert 8 is additionally provided in cylinder cap ontology 1
Chamber 14, and annular cooling water chamber 14 is connected respectively by intake tunnel 15 with lower water cavity 11, by drainage channel 16 and upper water cavity
10 connections, meanwhile, as shown in figure 9, every group of intake tunnel 15 and drainage channel 16 are located at the radial direction of annular cooling water chamber 14 respectively
Both sides.
Therefore, because upper and lower spaced upper water cavity 10 and lower water cavity 11 are provided in cylinder cap ontology 1, and cold water is first
Into lower water cavity 11, it is recycled into upper water cavity 10 later, therefore, fast prompt drop can be carried out in highest 1 bottom of cylinder cap ontology to heat
Temperature, secondly, then cylinder cap ontology 1 top low to heat cools down, and therefore, can realize preferable cooling-down effect；Secondly, upper water
The water body of chamber 10 is to enter upper water cavity 10 across fuel injector installation cavity 9, therefore, can be to the cylinder cap sheet of fuel injector and fuel injector lower end
1 position of body carries out effective temperature-reducing；In addition, since exhaust valve seat insert 8 has higher temperature during the work time, and this practicality is new
The two annular cooling water chambers 14 set around exhaust valve seat insert 8 are equipped in the cylinder cap ontology 1 of type, therefore, in lower water cavity 11
Part water body is to enter back into upper water cavity 10 across annular cooling water chamber 14, so as to carry out effective temperature-reducing to exhaust valve seat insert 8, after
And ensure that the whole cooling-down effect of cylinder cap ontology 1, improve job stability and working efficiency.
In conclusion the utility model is not limited to above-mentioned specific embodiment.Those skilled in the art are not departing from this reality
Under the premise of with novel spirit and scope, several change and modification can be done, it is new that all these variations should all fall into this practicality
The protection domain of type.
Claims (7)
1. a kind of cylinder cover for diesel engine, including cylinder cap ontology（1）, the cylinder cap ontology（1）Bottom set there are two inlet valve port
（2）With two exhaust doorways being arranged side by side with two inlet valve ports（3）, two inlet valve ports（2）Between, two exhaust doorways
（3）Between and inlet valve port（2）With adjacent exhaust doorway（3）Between formed four ridge areas（4）, the cylinder cap ontology
（1）Side be equipped with air inlet（5）And exhaust outlet（6）, the cylinder cap ontology（1）Middle part be equipped with connection air inlet（5）With two
A inlet valve port（2）Inlet channel, connection exhaust outlet（6）With two exhaust doorways（3）Exhaust passage, the cylinder cap ontology
（1）Top be additionally provided with installation inlet valve and exhaust valve valve mounting hole, the inlet valve port（2）On be equipped with and inlet valve
The inlet valve seat ring being used cooperatively（7）, the exhaust doorway（3）It is equipped with the exhaust valve seat insert being used cooperatively with exhaust valve（8）,
The cylinder cap ontology（1）Middle part be additionally provided with the fuel injector installation cavity of up/down perforation（9）, it is characterised in that：The cylinder cap ontology
（1）In be equipped with upper and lower spaced upper water cavity（10）With lower water cavity（11）, the cylinder cap ontology（1）It is equipped with the lower water cavity of connection
（11）Water inlet（12）With connect upper water cavity（10）Water outlet（13）, the upper water cavity（10）With lower water cavity（11）With spray
Oily device installation cavity（9）Connection, the cylinder cap ontology（1）In be additionally provided with around exhaust valve seat insert（8）The annular cooling water chamber of setting
（14）, the annular cooling water chamber（14）Pass through intake tunnel（15）With lower water cavity（11）It connects, pass through drainage channel（16）With
Upper water cavity（10）Connection.
2. cylinder cover for diesel engine as described in claim 1, it is characterised in that:The lower water cavity（11）By passing through four bridge of the noses
Area（4）Connection water channel（17）With fuel injector installation cavity（9）Connection.
3. cylinder cover for diesel engine as described in claim 1, it is characterised in that:The lower water cavity（11）To surround two inlet valves
Mouthful（2）With two exhaust doorways（3）Setting.
4. cylinder cover for diesel engine as claimed in claim 3, it is characterised in that:The lower water cavity（11）Downside cavity wall height
It is located proximate to two inlet valve seat rings（7）Lower face height and position setting.
5. cylinder cover for diesel engine as described in claim 1, it is characterised in that:The water inlet（12）It is arranged in two rows
Valve port（3）The cylinder cap ontology of side（1）Bottom.
6. cylinder cover for diesel engine as described in claim 1, it is characterised in that:The upper water cavity（10）Around inlet channel and row
Gas channel is set.
7. cylinder cover for diesel engine as described in claim 1, it is characterised in that:The water outlet is arranged on exhaust outlet（6）Side
Cylinder cap ontology（1）On side wall, the water outlet is close to exhaust outlet（6）Setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721342573.8U CN207554207U (en) | 2017-10-18 | 2017-10-18 | A kind of cylinder cover for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721342573.8U CN207554207U (en) | 2017-10-18 | 2017-10-18 | A kind of cylinder cover for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554207U true CN207554207U (en) | 2018-06-29 |
Family
ID=62674444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721342573.8U Active CN207554207U (en) | 2017-10-18 | 2017-10-18 | A kind of cylinder cover for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854403A (en) * | 2018-12-21 | 2019-06-07 | 潍柴动力股份有限公司 | Cylinder head and engine with it |
-
2017
- 2017-10-18 CN CN201721342573.8U patent/CN207554207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854403A (en) * | 2018-12-21 | 2019-06-07 | 潍柴动力股份有限公司 | Cylinder head and engine with it |
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