CN212406901U - Split type cylinder cover and high-power diesel engine using same - Google Patents
Split type cylinder cover and high-power diesel engine using same Download PDFInfo
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- CN212406901U CN212406901U CN202020530772.7U CN202020530772U CN212406901U CN 212406901 U CN212406901 U CN 212406901U CN 202020530772 U CN202020530772 U CN 202020530772U CN 212406901 U CN212406901 U CN 212406901U
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Abstract
The utility model relates to a split type cylinder head and use high-power diesel engine of this cylinder head, the both sides of the spiral air inlet duct one (1.1) of cylinder head one (1) are provided with left cooling air inlet duct one (1.5) and right cooling air inlet duct one (1.6) respectively, the both sides of the spiral air inlet duct two (2.1) of cylinder head two (2) are provided with left cooling air inlet duct two (2.5) and right cooling air inlet duct two (2.6) respectively, above-mentioned left cooling air inlet duct one (1.5) and left cooling air inlet duct two (2.5) constitute left cooling air inlet duct after closing; and the right cooling air inlet duct I (1.6) and the right cooling air inlet duct II (2.6) are combined to form the right cooling air inlet duct. The utility model relates to a split type cylinder head and use high-power diesel engine of this cylinder head, it has high-efficient heat dispersion so that be applied to under the high-power state.
Description
Technical Field
The utility model relates to an adopt cylinder head of components of a whole that can function independently structural style and based on the high-power diesel engine that this cylinder head made belongs to diesel engine technical field.
Background
At present, most of conventional cylinder covers are of an integrated structure, in actual use, the fact that the inner wall of a cylinder cover air passage of the integrated structure formed by casting is not smooth enough is found, so that the smoothness of air inlet and outlet is influenced, the oil consumption and the emission of the integrated structure are further influenced, and an inner cavity filling piece in the casting process needs to be decomposed after casting, so that the whole process is time-consuming and labor-consuming, the production efficiency is reduced, and the inner cavity filling piece is a consumable mold, so that the production cost is increased; therefore, the company has applied for a split cylinder head 201820035325.7 in 2018, but in application, the application finds that the heat dissipation performance of the split cylinder head is not improved significantly, so that the power cannot be increased under the original specification.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned not enough, provide a split type cylinder head and use the high-power diesel engine of this cylinder head, it has high-efficient heat dispersion so that be applied to under the high-power state.
The purpose of the utility model is realized like this:
a split type cylinder cover comprises a cylinder cover I and a cylinder cover II, wherein a first positioning hole is formed in an assembly surface of the cylinder cover I, which is located in the middle of the cylinder cover I, a second positioning hole is formed in an assembly surface of the cylinder cover II, which is located in the middle of the cylinder cover II, a hollow positioning pin is arranged after the first positioning hole and a plurality of positioning holes are aligned, a first spiral air inlet groove and a first air outlet groove are formed in the cylinder cover I, a second spiral air inlet groove and a second air outlet groove are formed in the cylinder cover II, the first spiral air inlet groove and the second spiral air inlet groove are aligned to form an air inlet channel of a spiral structure, the first air outlet groove and the second air outlet groove are aligned to form an;
a left cooling air inlet duct I and a right cooling air inlet duct I are respectively arranged on two sides of the spiral air inlet groove I of the cylinder cover I, a left cooling air inlet duct II and a right cooling air inlet duct II are respectively arranged on two sides of the spiral air inlet groove II of the cylinder cover II, and the left cooling air inlet duct I and the left cooling air inlet duct II are combined to form a left cooling air inlet duct; the first right cooling air inlet duct and the second right cooling air inlet duct are combined to form a right cooling air inlet duct;
the both sides of the air outlet groove I of cylinder cap I are provided with cooling air exhaust vent I and cooling air outlet I respectively, the both sides of the air outlet groove II of cylinder cap II are provided with cooling air exhaust vent II and cooling air outlet II respectively, above-mentioned cooling air exhaust vent I and cooling air exhaust vent II constitute the cooling air exhaust vent after closing to, this cooling air exhaust vent is linked together with left cooling air inlet duct, and the wind channel laminating of cooling air exhaust vent and left cooling air inlet duct intercommunication sets up by air outlet channel, above-mentioned cooling air outlet I and cooling air outlet two-pair close constitution cooling air-out passageway, this cooling air-out passageway is linked together with right cooling air inlet duct.
The utility model relates to a split type cylinder head, cooling air-out passageway are provided with radiating fin one and radiating fin two on being close to air outlet channel's the inner wall.
The utility model relates to a split type cylinder head, cooling air exhaust vent and cooling air-out passageway are all just to the muffler that is linked together with air outlet channel.
The utility model relates to a split type cylinder head, cooling air exhaust vent is provided with pressure release groove one on one side, all is provided with pressure release hole one on two cell walls around this pressure release groove one, two other pressure release groove two that are provided with of cooling air exhaust vent all are provided with pressure release hole two on two cell walls around this pressure release groove two, and above-mentioned pressure release groove one forms the pressure release chamber with pressure release groove two after to, and above-mentioned pressure release hole one and pressure release hole two constitute two pressure release holes around to the back, and the central axis of two pressure release holes does not coincide around and.
A high-power diesel engine comprises a silencer on a box body, wherein the silencer is communicated with an air outlet channel, and a cooling air outlet hole and the cooling air outlet channel are opposite to the outer wall of the silencer.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model effectively improves the cooling effect of the cylinder cover by improving the heat dispersion performance, thereby obviously improving the power of the diesel engine and realizing a high-power application environment; meanwhile, through optimization of the pressure relief holes, balance performance of the diesel engine is improved, surge flow when wind pressure is too high is effectively prevented from influencing flow direction of cooling wind, stress is enabled to be more stable, and improvement of overall stability performance of the diesel engine is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of the high-power diesel engine of the present invention.
Fig. 2-3 are the utility model relates to an assembly effect schematic diagram of split type cylinder head.
Fig. 4-5 are schematic structural diagrams of the assembled split cylinder head of the present invention.
Wherein:
the cooling air cylinder comprises a cylinder cover I1, a spiral air inlet groove I1.1, an air outlet groove I1.2, a positioning screw hole I1.3, a reinforcing screw hole I1.4, a left cooling air inlet channel I1.5, a right cooling air inlet channel I1.6, a cooling air outlet hole I1.7, a cooling air outlet port I1.8, a heat dissipation fin I1.9, a pressure relief groove I1.10 and a pressure relief hole I1.11;
the cylinder cover II 2, the spiral air inlet groove II 2.1, the air outlet groove II 2.2, the positioning screw hole II 2.3, the reinforcing screw hole II 2.4, the left cooling air inlet duct II 2.5, the right cooling air inlet duct II 2.6, the cooling air outlet hole II 2.7, the cooling air outlet hole II 2.8, the radiating fin II 2.9, the pressure relief groove II 2.10 and the pressure relief hole II 2.11.
Detailed Description
Referring to fig. 1 to 5, the utility model relates to a split type cylinder head, the cylinder head includes a cylinder head 1 and a cylinder head two 2, the assembly surface that the cylinder head 1 is located at its middle part is provided with a locating hole 1.3, the assembly surface that the cylinder head two 2 is located at its middle part is provided with a locating hole two 2.3, the locating hole 1.3 and a plurality of locating holes two 2.3 are packed into the hollow locating pin after corresponding, the cylinder head 1 is provided with a spiral air inlet groove 1.1 and an air outlet groove 1.2, the cylinder head two 2 is provided with a spiral air inlet groove two 2.1 and an air outlet groove two 2.2, the spiral air inlet groove 1.1 and the spiral air inlet groove two 2.1 are involutory to form an air inlet channel of a spiral structure, the air outlet groove 1.2 and the air outlet groove two 2.2 are involutory to form an air outlet channel, and a cooling air channel is provided between the; the method is characterized in that:
a left cooling air inlet duct I1.5 and a right cooling air inlet duct I1.6 are respectively arranged on two sides of a spiral air inlet groove I1.1 of the cylinder cover I1, a left cooling air inlet duct II 2.5 and a right cooling air inlet duct II 2.6 are respectively arranged on two sides of a spiral air inlet groove II 2.1 of the cylinder cover II 2, and the left cooling air inlet duct I1.5 and the left cooling air inlet duct II 2.5 are combined to form a left cooling air inlet duct; the right cooling air inlet duct I1.6 and the right cooling air inlet duct II 2.6 are combined to form a right cooling air inlet duct;
the cooling air outlet hole I1.7 and the cooling air outlet hole I1.8 are respectively arranged on two sides of the air outlet groove I1.2 of the cylinder cover I1, the cooling air outlet hole II 2.7 and the cooling air outlet hole II 2.8 are respectively arranged on two sides of the air outlet groove II 2.2 of the cylinder cover II 2, the cooling air outlet hole I1.7 and the cooling air outlet hole II 2.7 are combined to form the cooling air outlet hole, the cooling air outlet hole is communicated with the left cooling air inlet channel, and an air channel communicated with the left cooling air inlet channel is attached to the side of the air outlet channel, so that the heat dissipation of the air outlet channel is realized; the first cooling air outlet 1.8 and the second cooling air outlet 2.8 are oppositely combined to form a cooling air outlet channel, the cooling air outlet channel is communicated with the right cooling air inlet channel, and a first radiating fin 1.9 and a second radiating fin 2.9 are arranged on the inner wall of the cooling air outlet channel, which is close to the air outlet channel; thereby realizing the heat dissipation of the air outlet channel; the cooling air outlet hole and the cooling air outlet channel are both over against the silencer communicated with the air outlet channel, so that the silencer is cooled, and the cooling effect is greatly improved;
further, a pressure relief groove 1.10 is arranged beside a cooling air outlet hole 1.7, pressure relief holes 1.11 are formed in the front and rear two groove walls of the pressure relief groove 1.10, a pressure relief groove 2.10 is arranged beside a cooling air outlet hole 2.7, pressure relief holes 2.11 are formed in the front and rear two groove walls of the pressure relief groove 2.10, a pressure relief cavity is formed after the pressure relief groove 1.10 and the pressure relief groove 2.10 are closed, the pressure relief hole 1.11 and the pressure relief hole 2.11 are closed to form a front pressure relief hole and a rear pressure relief hole, the central axes of the front and rear pressure relief holes are arranged in a staggered mode, the cooling air is prevented from forming a short-circuit air duct, and the pressure relief holes play a role of pressure relief balance when the air speed is too high.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (5)
1. A split type cylinder cover comprises a cylinder cover I (1) and a cylinder cover II (2), wherein a spiral air inlet groove I (1.1) and an air outlet groove I (1.2) are arranged on the cylinder cover I (1), a spiral air inlet groove II (2.1) and an air outlet groove II (2.2) are arranged on the cylinder cover II (2), the spiral air inlet groove I (1.1) and the spiral air inlet groove II (2.1) are combined to form an air inlet channel with a spiral structure, the air outlet groove I (1.2) and the air outlet groove II (2.2) are combined to form an air outlet channel, and a cooling air channel is arranged between the air inlet channel and the air outlet channel; the method is characterized in that:
a left cooling air inlet duct I (1.5) and a right cooling air inlet duct I (1.6) are respectively arranged on two sides of a spiral air inlet duct I (1.1) of a cylinder cover I (1), a left cooling air inlet duct II (2.5) and a right cooling air inlet duct II (2.6) are respectively arranged on two sides of a spiral air inlet duct II (2.1) of a cylinder cover II (2), and the left cooling air inlet duct I (1.5) and the left cooling air inlet duct II (2.5) are combined to form a left cooling air inlet duct; the right cooling air inlet duct I (1.6) and the right cooling air inlet duct II (2.6) are combined to form a right cooling air inlet duct;
the cooling air outlet structure is characterized in that a cooling air outlet hole I (1.7) and a cooling air outlet hole I (1.8) are respectively arranged on two sides of an air outlet groove I (1.2) of the cylinder cover I (1), a cooling air outlet hole II (2.7) and a cooling air outlet hole II (2.8) are respectively arranged on two sides of an air outlet groove II (2.2) of the cylinder cover II (2), the cooling air outlet hole I (1.7) and the cooling air outlet hole II (2.7) are combined to form the cooling air outlet hole, the cooling air outlet hole is communicated with a left cooling air inlet channel, an air channel communicated with the left cooling air inlet channel is attached to the air outlet channel, the cooling air outlet hole I (1.8) and the cooling air outlet hole II (2.8) are combined to form a cooling air outlet channel, and the cooling air outlet channel is communicated with a right cooling air inlet channel.
2. The split cylinder head according to claim 1, wherein: and a first radiating fin (1.9) and a second radiating fin (2.9) are arranged on the inner wall of the cooling air outlet channel, which is close to the air outlet channel.
3. The split cylinder head according to claim 1, wherein: the cooling air outlet hole and the cooling air outlet channel are opposite to the silencer communicated with the air outlet channel.
4. The split cylinder head according to claim 1, wherein: the other pressure relief groove (1.10) that is provided with of cooling air exhaust vent (1.7), all be provided with pressure relief hole (1.11) on two cell walls around this pressure relief groove (1.10), the other pressure relief groove (2.10) that is provided with of cooling air exhaust vent two (2.7), all be provided with pressure relief hole two (2.11) on two cell walls around this pressure relief groove two (2.10), above-mentioned pressure relief groove (1.10) and pressure relief groove two (2.10) form the pressure relief chamber after closing, two pressure relief holes around above-mentioned pressure relief hole one (1.11) and pressure relief hole two (2.11) constitute after closing, and the central axis of two pressure relief holes around and do not coincide.
5. A high-power diesel engine is characterized in that: the diesel engine comprises the split cylinder cover as claimed in claim 1, and the high-power diesel engine comprises a silencer on the box body, the silencer is communicated with the air outlet channel, and the cooling air outlet hole and the cooling air outlet channel are opposite to the outer wall of the silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530772.7U CN212406901U (en) | 2020-04-13 | 2020-04-13 | Split type cylinder cover and high-power diesel engine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530772.7U CN212406901U (en) | 2020-04-13 | 2020-04-13 | Split type cylinder cover and high-power diesel engine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406901U true CN212406901U (en) | 2021-01-26 |
Family
ID=74369779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020530772.7U Active CN212406901U (en) | 2020-04-13 | 2020-04-13 | Split type cylinder cover and high-power diesel engine using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212406901U (en) |
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2020
- 2020-04-13 CN CN202020530772.7U patent/CN212406901U/en active Active
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