CN205445816U - Layering refrigerated cylinder head - Google Patents

Layering refrigerated cylinder head Download PDF

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Publication number
CN205445816U
CN205445816U CN201620297784.3U CN201620297784U CN205445816U CN 205445816 U CN205445816 U CN 205445816U CN 201620297784 U CN201620297784 U CN 201620297784U CN 205445816 U CN205445816 U CN 205445816U
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China
Prior art keywords
cylinder head
jacket
water
cylinder
block
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CN201620297784.3U
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Chinese (zh)
Inventor
沈捷
覃文
向本杰
覃壮革
廖升友
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN201620297784.3U priority Critical patent/CN205445816U/en
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Abstract

The utility model discloses a layering refrigerated cylinder head. This cylinder head includes: gas cylinder cover water sleeve, water distribution way, its entrance point are used for introducing the coolant liquid, exit end that this water distribution was said pass through cylinder head your majesty water hole with gas cylinder cover water sleeve keeps the intercommunication, and the cylinder block water jacket, its entrance point pass through cylinder block water jacket inlet opening with the exit end that the water distribution was said keeps the intercommunication, the water jacketed exit end of this cylinder block pass through the cylinder head vice go up the water hole with gas cylinder cover water sleeve keeps the intercommunication. This cylinder head makes and gets into the water jacketed coolant temperature of cylinder block and keep being favorable to thruster operation's best temperature, and it is lower to guarantee to get into the water jacketed coolant temperature of cylinder jacket again simultaneously, can be fully carries out necessary cooling to positions such as bridge of the nose district, valve and valve seat insert, cylinder head bottom plates.

Description

The cylinder head of layering cooling
Technical field
This utility model relates to cylinder head cooling field, particularly to a kind of cylinder head being layered cooling.
Background technology
Cylinder head, as a key components and parts of conventional internal combustion, forms the basic framework of electromotor together with cylinder block, cylinder jacket.Cylinder head is installed on cylinder block, and cylinder jacket is installed in the middle of the cylinder-bore of cylinder block, and cylinder head and piston, the combustor of cylinder jacket composition electromotor, piston is reciprocating in cylinder jacket.Cylinder head valve actuating mechanism installed above and cover cap.
Traditional cylinder head is made up of the water jacket cavity of air flue, valve mounting struction, cylinder head bolt hole pillar, oilhole pillar, pore pillar and these structure peripheries in being usually a body structure, casing, and structure is complicated, casting difficulty.During electromotor work, water jacket cavity is full of coolant, and traditional cooling scheme usually coolant enters the waste heat produced when block jacket cools down and take away electromotor acting to cylinder jacket;Then coolant carries out the cooling of necessity in entered into cylinder head cooling chamber by head gasket water hole to positions such as ridge area, valve and valve retainer, cylinder head base plates.
Electromotor is a steady state value with operating mode lower water jacket heat dissipation capacity, therefore through the coolant temperature rise substantially constant of block jacket, and in engine operation process, the temperature of cylinder jacket needs to keep certain temperature to reduce the lubricating oil viscosity on its inwall, thus reduce piston ring, piston i.e. reduces frictional work, the economy of such guarantee electromotor with the frictional force of cylinder sleeve.The temperature potential entering cylinder head jacket the temperature of guarantee block jacket is a rational value when must be higher.The most traditional cooling structure is difficult to make cylinder head jacket temperature reduce again meeting block jacket temperature when.Can be limited to the cooling of valve and the position such as valve retainer, cylinder head base plate owing to now entering that the coolant temperature of cylinder head is higher, due to cylinder head key position at relatively high temperatures and dispel the heat bad in the case of the mechanical performance of cylinder head material declined, the fault such as cylinder head is susceptible to ftracture, leaks, gas leakage.
The most traditional cylinder head can take the way of some complex process to ensure for the temperature (such as ridge area etc.) more reducing key position, such as add nozzle in position, ridge area, deflector is added near bolt boss, processing compensating groove etc. between two cylinders, these measures can increase the technology difficulty of cylinder head, process costs and increase cylinder head weight.
The information being disclosed in this background section is merely intended to increase the understanding to general background of the present utility model, and is not construed as recognizing or imply in any form this information structure prior art well known to persons skilled in the art.
Utility model content
The purpose of this utility model is to provide the cylinder head of a kind of simple and reasonable layering cooling, the cylinder head of this layering cooling is by being divided into two-way by coolant before entering block jacket, one tunnel enters cylinder block and cylinder jacket cools down and takes away the waste heat that burning produces, one road enters into cylinder head to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity, the coolant temperature making entrance block jacket is maintained at the optimum temperature that beneficially electromotor runs, can guarantee that the most again the coolant temperature entering cylinder jacket water jacket is relatively low, can be fully to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity.
For achieving the above object, this utility model provides a kind of cylinder head being layered cooling, and the cylinder head of this layering cooling includes: cylinder head jacket;Water distribution channel, its entrance point is used for introducing coolant, the port of export of this water distribution channel keeps connecting with described cylinder head jacket by cylinder head Your Majesty water hole, and ridge area, valve and valve retainer, cylinder head base plate are cooled down by the coolant being entered into cylinder head jacket by cylinder head Your Majesty water hole by cylinder head;And block jacket, its entrance point keeps connecting with the port of export of described water distribution channel by block jacket inlet opening;The port of export of this block jacket keeps connecting with described cylinder head jacket by water hole in cylinder head pair;From cylinder head pair, the coolant of water hole entrance cylinder head jacket directly enters outlet pipe by cylinder head jacket.
Preferably, in technique scheme, water distribution channel is arranged in cylinder block or in cylinder head.
Preferably, in technique scheme, block jacket includes the first block jacket and the second block jacket.
Preferably, in technique scheme, on cylinder head Your Majesty water hole and cylinder head pair, water hole is casting or is machined into.
Compared with prior art, this utility model has the advantages that cylinder head that this layering cools down is by being divided into two-way by coolant before entering block jacket, one tunnel enters cylinder block and cylinder jacket cools down and takes away the waste heat that burning produces, one road enters into cylinder head to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity, the coolant temperature making entrance block jacket is maintained at the optimum temperature that beneficially electromotor runs, can guarantee that the most again the coolant temperature entering cylinder jacket water jacket is relatively low, can be fully to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cylinder head of layering cooling of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described in detail, it is to be understood that protection domain of the present utility model is not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or its conversion such as " comprising " or " including " etc. will be understood to comprise stated element or ingredient, and does not get rid of other element or other ingredient.
As it is shown in figure 1, include according to the concrete structure of the cylinder head of the layering cooling of this utility model detailed description of the invention: water hole 2, cylinder head Your Majesty water hole 4 and cylinder head jacket 3 in water distribution channel 7, block jacket inlet opening the 6, first block jacket the 1, second block jacket 5, cylinder head pair.Wherein, coolant in water distribution channel 7 is divided into two-way: a road enters 1,5 pairs of cylinder jacket of block jacket from water distribution channel 7 by block jacket inlet opening 6 and cools down and take away the unnecessary used heat produced working stroke, and coolant enters into cylinder head jacket 3 by water hole 2 in cylinder head pair again;Another road enters into cylinder head jacket 3 from water distribution channel 7 by cylinder head Your Majesty water hole 4 and the positions such as ridge area, valve and valve retainer, cylinder head base plate is carried out the cooling of necessity by cylinder head.From cylinder head pair, water hole 2 enters the coolant of cylinder head jacket 3 and directly enters outlet pipe by cylinder head jacket 3, and this part coolant is not involved in the cooling that the position such as cylinder head ridge area, valve and valve retainer, cylinder head base plate is carried out;The coolant temperature entering into cylinder head jacket 3 through cylinder head Your Majesty water hole 4 from water distribution channel 7 is relatively low, the cooling that the positions such as cylinder head ridge area, valve and valve retainer, cylinder head base plate will be carried out by this part coolant.Final two parts coolant here converges entrance outlet pipe at cylinder head outlet.
Specifically, the entrance point of water distribution channel 7 is used for introducing coolant, and its port of export connects with block jacket inlet opening 6 and cylinder head Your Majesty water hole 4 respectively.Coolant is divided into two-way after entering water distribution channel 7: a road enters block jacket from water distribution channel 7 by block jacket inlet opening 6 and cylinder jacket cools down and takes away the unnecessary used heat produced working stroke, and coolant enters into cylinder head jacket by water hole 2 in cylinder head pair again;Another road enters into cylinder head jacket 3 from water distribution channel 7 by cylinder head Your Majesty water hole 4 and the positions such as ridge area, valve and valve retainer, cylinder head base plate is carried out the cooling of necessity by cylinder head.Preferably, water distribution channel 7 can be arranged in cylinder block and can also be arranged in cylinder head.
Block jacket inlet opening 6 keeps connecting with the first block jacket 1 and the second block jacket 5 respectively.One tunnel of coolant respectively enters the first block jacket 1 and the second block jacket 5 from water distribution channel 7 by block jacket inlet opening 6 and cylinder jacket cools down and takes away the unnecessary used heat produced working stroke.First block jacket 1 keeps connecting with cylinder head jacket 3 by water hole 2 in cylinder head pair with the second block jacket 5.From cylinder head pair, water hole 2 enters the coolant of cylinder head jacket 3 and directly enters outlet pipe by cylinder head jacket 3, and this part coolant is not involved in the cooling that the position such as cylinder head ridge area, valve and valve retainer, cylinder head base plate is carried out.
Cylinder head Your Majesty water hole 4 keeps connecting with cylinder head jacket 3.Another road of coolant enters into cylinder head jacket 3 from water distribution channel 7 by cylinder head Your Majesty water hole 4 and the positions such as ridge area, valve and valve retainer, cylinder head base plate is carried out the cooling of necessity by cylinder head.The coolant temperature entering into cylinder head jacket 3 through cylinder head Your Majesty water hole 4 from water distribution channel 7 is relatively low, the cooling that the positions such as cylinder head ridge area, valve and valve retainer, cylinder head base plate will be carried out by this part coolant.Final two parts coolant here converges entrance outlet pipe at cylinder head outlet.
Preferably, in cylinder head Your Majesty water hole 4 and cylinder head pair, water hole 2 can be that casting can also get for machining mode.
The cylinder head of this layering cooling goes for there is cylinder head gasket structure engine and without cylinder head gasket structure engine.Dry liner structure engine and wet liner structure engine can well be applicable to.Can well be applicable to there is service branch structure cylinder head and without service branch structure cylinder head.Can well be applicable to there is median septum cylinder head and without median septum structure cylinder head.The air cylinder head structure of this layering cooling can make the coolant temperature in entrance cylinder head reduce, and can reduce the temperature of the key positions such as cylinder head ridge area, base plate largely;Improve the mechanical performance of material;Cylinder cap cracking that cylinder head reliability and in a large number reduce owing to ridge area temperature too high cause can be greatly improved, the faults such as head gasket are rushed in the too high deformation caused of cylinder head plate temperature.
To sum up, the cylinder head of this layering cooling is by being divided into two-way by coolant before entering block jacket, one tunnel enters cylinder block and cylinder jacket cools down and takes away the waste heat that burning produces, one road enters into cylinder head to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity, the coolant temperature making entrance block jacket is maintained at the optimum temperature that beneficially electromotor runs, can guarantee that the most again the coolant temperature entering cylinder jacket water jacket is relatively low, can be fully to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity.
The aforementioned description to specific illustrative embodiment of the present utility model illustrates that and the purpose of illustration.These descriptions are not wishing to be defined to this utility model disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can much change and change.The purpose selected exemplary embodiment and describe is to explain certain principles of the present utility model and actual application thereof, so that those skilled in the art is capable of and utilizes various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.

Claims (4)

1. the cylinder head being layered cooling, it is characterised in that including:
Cylinder head jacket;
Water distribution channel, its entrance point is used for introducing coolant, the port of export of this water distribution channel keeps connecting with described cylinder head jacket by cylinder head Your Majesty water hole, and ridge area, valve and valve retainer, cylinder head base plate are cooled down by the coolant being entered into cylinder head jacket by cylinder head Your Majesty water hole by cylinder head;And
Block jacket, its entrance point keeps connecting with the port of export of described water distribution channel by block jacket inlet opening;The port of export of this block jacket keeps connecting with described cylinder head jacket by water hole in cylinder head pair;From cylinder head pair, the coolant of water hole entrance cylinder head jacket directly enters outlet pipe by cylinder head jacket.
The cylinder head of layering cooling the most according to claim 1, it is characterised in that described water distribution channel is arranged in cylinder block or in cylinder head.
The cylinder head of layering cooling the most according to claim 1, it is characterised in that described block jacket includes the first block jacket and the second block jacket.
The cylinder head of layering cooling the most according to claim 1, it is characterised in that on described cylinder head Your Majesty water hole and cylinder head pair, water hole is casting or is machined into.
CN201620297784.3U 2016-04-11 2016-04-11 Layering refrigerated cylinder head Active CN205445816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620297784.3U CN205445816U (en) 2016-04-11 2016-04-11 Layering refrigerated cylinder head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620297784.3U CN205445816U (en) 2016-04-11 2016-04-11 Layering refrigerated cylinder head

Publications (1)

Publication Number Publication Date
CN205445816U true CN205445816U (en) 2016-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620297784.3U Active CN205445816U (en) 2016-04-11 2016-04-11 Layering refrigerated cylinder head

Country Status (1)

Country Link
CN (1) CN205445816U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105697180A (en) * 2016-04-11 2016-06-22 广西玉柴机器股份有限公司 Layered-cooled cylinder cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105697180A (en) * 2016-04-11 2016-06-22 广西玉柴机器股份有限公司 Layered-cooled cylinder cover

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