CN206513451U - A kind of four-valve engine cylinder head efficiently cooled down - Google Patents
A kind of four-valve engine cylinder head efficiently cooled down Download PDFInfo
- Publication number
- CN206513451U CN206513451U CN201621408372.9U CN201621408372U CN206513451U CN 206513451 U CN206513451 U CN 206513451U CN 201621408372 U CN201621408372 U CN 201621408372U CN 206513451 U CN206513451 U CN 206513451U
- Authority
- CN
- China
- Prior art keywords
- water jacket
- water
- lower water
- cylinder head
- cooled down
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of four-valve engine cylinder head efficiently cooled down, including body, center of the inside of body provided with upper water sleeve and lower water jacket body offers mounting hole of oil sprayer position, mounting hole of oil sprayer disposes fuel injector sleeve pipe in position, fuel injector sleeve pipe is vertically through the center of upper water sleeve and lower water jacket, around mounting hole of oil sprayer position provided with four air flues in body, in the state completely cut off completely between upper water sleeve and lower water jacket and four air flues, lower water jacket is connected by the inlet opening on the outside of four air flues and cooling water inlet pipe, upper water sleeve is connected by apopore and cooling water outlet tube, upper water sleeve is connected with lower water jacket by the water stream channel positioned at body central；In lower water jacket, middle part water fender is provided between the outer wall of a certain air flue of fuel injector sleeve pipe and close inlet opening.The utility model cylinder head is connected each hot key area of lower water jacket, has the advantages that current utilization rate height, good cooling results, using effect are good.
Description
Technical field
The utility model is related to a kind of four-valve engine cylinder head efficiently cooled down, belongs to engine component technology neck
Domain.
Background technology
Medium or severe type Diesel engine is faced with serious cylinder head thermal fatigue failure problem.How cylinder head anti-is improved
Thermal fatigue property has become the main points of current Medium or severe type Diesel engine machine Cylinder head design.
Chinese invention patent（Authorization Notice No.：The B of CN 101413459, authorized announcement date：On September 1st, 2010, title：
High strength cylinder cap with double-layer water stream channel）A kind of engine cylinder cap is disclosed, the cylinder head is in upper plate and bottom
Provided with mounting hole of oil sprayer position between plate, some air flues are offered around mounting hole of oil sprayer position in cylinder head, in lower shoe
On offer inlet opening, apopore is offered on upper plate, cooling water cavity, upper plate are offered around air flue in cylinder head
Cooling cavities between lower shoe is divided into independent upper water cavity and lower water cavity, the edge of median septum and cooling by median septum
The side wall integrally connected of water cavity, upper water cavity and lower water cavity are connected in mounting hole of oil sprayer position with being provided with the median septum between air flue
Intercommunicating pore.
The cylinder head, can be to a certain extent by the hierarchical design to cooling chamber and the reasonable Arrangement of upper and lower cavity lead to the hole site
Lift cooling effect, reduce the thermal stress of cylinder cap lower shoe and air flue.But the cylinder head of the structure can not have to cooling water
The guiding of effect, the water stream channel of each hot key area is parallel port, and the cooling water of all entrance cylinder head is each flowing through it
After phase near-thermal key area, central region is just directly pooled to, intercommunicating pore enters upper water cavity from middle part, the design has current profit
With the defect that rate is low, overall cooling effect is poor, using effect is not good enough.
The content of the invention
The purpose of this utility model be for available engine cylinder head drawbacks described above there is provided it is a kind of efficiently cool down four
Air valve engine cylinder head, the cylinder head has the advantages that current utilization rate height, good cooling results, using effect are good.
To achieve the above object, technical solution of the present utility model is：
A kind of four-valve engine cylinder head efficiently cooled down, including body, the inside of body are provided with upper water sleeve and lower water
Set, the center of body offers mounting hole of oil sprayer position, and mounting hole of oil sprayer disposes fuel injector sleeve pipe, fuel injector sleeve pipe in position
Around mounting hole of oil sprayer position provided with four air flues in the vertical center for running through upper water sleeve and lower water jacket, body, upper water sleeve is with
In the state completely cut off completely between water jacket and four air flues, lower water jacket passes through the inlet opening on the outside of four air flues and cooling
Water inlet pipe is connected, and upper water sleeve is connected by apopore and cooling water outlet tube, and upper water sleeve passes through positioned at body central with lower water jacket
Water stream channel is connected；In lower water jacket, middle part is provided between the outer wall of a certain air flue of fuel injector sleeve pipe and close inlet opening
Water fender.
It is preferred that, two edges of middle part water fender in the horizontal direction respectively adjacent with above-mentioned specified air flue other two
The outer wall of individual air flue is connected, above-mentioned specified air flue refer to set between its outer wall and fuel injector sleeve pipe in the middle part of water fender that
Individual air flue.
It is preferred that, middle part water fender runs through whole lower water jacket in the height direction.
It is preferred that, it is connected with middle part water fender and in the outer wall lower water jacket adjacent thereto of air flue closer to inlet opening
Provided with peripheral water fender between wall.
It is preferred that, peripheral water fender originates from the bottom surface of lower water jacket, highly 1/2~1 for lower water jacket height.
It is preferred that, water retaining ribs are provided between the outer wall lower water jacket inwall adjacent thereto of above-mentioned specified air flue.
It is preferred that, water retaining ribs originate from the bottom surface of lower water jacket, in height equal to or less than the 1/2 of lower water jacket height.
It is preferred that, upper water sleeve and lower water jacket are connected by the water stream channel between fuel injector sleeve pipe and middle part water fender
It is logical.
It is preferred that, in four air flues, two air flues close to inlet opening are air intake duct, and two air flues away from inlet opening are outlet
Road.
Compared with prior art, the beneficial effects of the utility model are：
1. the utility model is provided with middle part water fender at the middle part of lower water jacket, middle part water fender will first can intake from periphery
The cooling water that hole enters cylinder head is oriented at other outer peripheral areas of lower water jacket and the two of which air flue bridge of the nose, then again through in addition
Two air flue ridge areas focus on central region, enter upper water sleeve finally by the water stream channel for being arranged at middle part；It is so designed that,
The series connection cooling of the hot key area of cylinder head lower water jacket is realized, the cooling capacity and entirety of hot key area greatly improved
Current utilization rate, reduces current tissue and the sensitiveness of deviation is cast to cylinder head, and then effectively reduce the work of cylinder head
Temperature, improves the thermal fatigue resistance of cylinder head.
2. the utility model is also provided with peripheral water fender and water retaining ribs in lower water jacket periphery, by with middle part water fender
Coordinate the arrangement with height, the design can effectively control cooling water in the allocation proportion of each regional flow passage to force more
Many cooling waters can effectively extend the overall flow distance of cooling water sequentially through the hot key area in lower water jacket；Should
Design further increases the flow of each hot key area cooling water of lower water jacket, so that overall current utilization rate is further improved,
Lifting Water, reduces the operating temperature of cylinder head, improves the thermal fatigue resistance of cylinder head.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A-A profiles in Fig. 1；
Fig. 3 is B-B profiles in Fig. 1；
In figure：Upper water sleeve 1, lower water jacket 2, mounting hole of oil sprayer position 3, fuel injector sleeve pipe 4, exhaust duct 5, exhaust duct 6, air inlet
Road 7, air intake duct 8, cylinder bolt hole 9, inlet opening 10, middle part water fender 11, water stream channel 12, water retaining ribs 13, peripheral water fender
14。
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and specific embodiment.
Referring to Fig. 1 to Fig. 3, a kind of four-valve engine cylinder head efficiently cooled down, including body, the inside of body is provided with
Upper water sleeve 1 and lower water jacket 2, the center of body, which is offered in mounting hole of oil sprayer position 3, mounting hole of oil sprayer position 3, disposes oil spout
Device sleeve pipe 4, fuel injector sleeve pipe 4 is vertically set in the center of upper water sleeve 1 and lower water jacket 2, body around mounting hole of oil sprayer position 3
There are four air flues, in the state completely cut off completely between upper water sleeve 1 and lower water jacket 2 and four air flues, lower water jacket 2 is by positioned at four
Inlet opening 10 on the outside of individual air flue is connected with cooling water inlet pipe, and upper water sleeve 1 is connected by apopore and cooling water outlet tube, upper water sleeve
1 is connected with lower water jacket 2 by the water stream channel positioned at body central；In lower water jacket 2, fuel injector sleeve pipe 4 and close inlet opening
Middle part water fender 11 is provided between the outer wall of 10 a certain air flue.
As preferred technical scheme, two edges of middle part water fender 11 in the horizontal direction respectively with above-mentioned specified gas
The outer wall of two other adjacent air flue of road is connected, and above-mentioned specified air flue refers to set between its outer wall and fuel injector sleeve pipe 4
That air flue of middle part water fender 11.
As preferred technical scheme, middle part water fender 11 runs through whole lower water jacket 2 in the height direction.
As preferred technical scheme, be connected with middle part water fender 11 and closer to inlet opening 10 air flue outer wall with
Provided with peripheral water fender 14 between its adjacent inwall of lower water jacket 2.
As preferred technical scheme, peripheral water fender 14 originates from the bottom surface of lower water jacket 2, is highly the height of lower water jacket 2
1/2~1.
As preferred technical scheme, dash is provided between the outer wall inwall of lower water jacket 2 adjacent thereto of above-mentioned specified air flue
Muscle 13.
As preferred technical scheme, water retaining ribs 13 originate from the bottom surface of lower water jacket 2, in height equal to or less than lower water
Cover the 1/2 of 2 height.
As preferred technical scheme, upper water sleeve 1 passes through positioned at fuel injector sleeve pipe 4 and middle part water fender 11 with lower water jacket 2
Between water stream channel 12 connect.
As preferred technical scheme, in four air flues, two air flues close to inlet opening 10 are air intake duct, away from inlet opening
10 two air flues are gas off-take.
Embodiment 1：
Referring to Fig. 1 and Fig. 3, the four-valve engine cylinder head efficiently cooled down, including cylinder head body, body interior is opened up
There are a upper water sleeve 1 and lower water jacket 2, being provided centrally with of cylinder head is mounted with mounting hole of oil sprayer position 3, mounting hole of oil sprayer position 3
Fuel injector sleeve pipe 4, fuel injector sleeve pipe 4 vertically through the center of upper water sleeve 1 and lower water jacket 2, is arranged around mounting hole of oil sprayer position 3
There are exhaust duct 5, exhaust duct 6 and air intake duct 7, air intake duct 8, the peripheral sidewall of cylinder head arranges several bolts hole 9.Lower water jacket
2 bottoms are disposed with inlet opening 10 in air inlet side.Upper water sleeve 1 passes through the phase of water stream channel 12 around fuel injector sleeve pipe 4 with lower water jacket 2
Connection.
The near zone of fuel injector sleeve pipe 4 is disposed with middle part water fender 11 in lower water jacket 2, and middle part water fender 11 is located at oil spout
Between the outer wall of the outer wall of device sleeve pipe 4 and air intake duct 7, the both sides of middle part water fender 11 in the horizontal direction respectively with exhaust duct 5
Outer wall is connected with the outer wall of air intake duct 8, and middle part water fender 11 runs through whole lower water jacket 2 in the height direction.
The design of middle part water fender 11 is by the water between the water stream channel of lower water jacket outer peripheral areas, air intake duct 7 and air intake duct 8
The water stream channel of 3 near zones of circulation road and mounting hole of oil sprayer position is together in series, so as to be forced into the cooling water of lower water jacket 2
Sequentially flow through the outer peripheral areas of air inlet side, two air intake duct ridge areas, the outer peripheral areas at the water fender of middle part, the external zones of outlet side
Domain, the interior of middle part water fender enclose region, enter cylinder head upper water sleeve 1 finally by the water stream channel 12 around fuel injector sleeve pipe 4.
The series connection cooling of the hot key area of cylinder head lower water jacket is realized, the cooling capacity and entirety of hot key area greatly improved
Current utilization rate.
The outer peripheral areas of lower water jacket 2 is disposed with water retaining ribs 13, and water retaining ribs 13 are located at the outer wall and neighbouring bolt hole of air intake duct 7
Between 9 outer wall.Water retaining ribs 13 originate from cylinder head bottom plate, in the height direction no more than the half of the height of lower water jacket 2.Lower water
The outer peripheral areas of set 2 is disposed with peripheral water fender 14, and peripheral water fender 14 is located at the outer wall and neighbouring bolt hole 9 of air intake duct 8
Between outer wall, peripheral water fender 14 runs through whole lower water jacket 2 in the height direction.
The design of water retaining ribs 13 and peripheral water fender 14 can be further improved by air intake duct 7 with entering by diversion mode
Between air flue 8 between the cooling water flow of ridge area and air intake duct 7 and exhaust duct 5 ridge area cooling water flow, so as to enter one
Step improves overall current utilization rate, reduces the operating temperature of cylinder head, improves the thermal fatigue resistance of cylinder head.
Above content is to combine the further description that embodiment is done to the utility model, it is impossible to think this
The specific implementation of utility model is confined to these explanations, comes for the utility model person of an ordinary skill in the technical field
Say, without departing from the concept of the premise utility, the simple replacement made should be all considered as belonging to of the present utility model
Protection domain.
Claims (9)
1. a kind of four-valve engine cylinder head efficiently cooled down, including body, the inside of the body are provided with upper water sleeve（1）With
Lower water jacket（2）, the center of the body offers mounting hole of oil sprayer position（3）, described mounting hole of oil sprayer position（3）Interior placement
Fuel injector sleeve pipe（4）, the fuel injector sleeve pipe（4）Vertically run through upper water sleeve（1）And lower water jacket（2）Center, the body
It is interior to surround mounting hole of oil sprayer position（3）Provided with four air flues, described upper water sleeve（1）And lower water jacket（2）Between four air flues
In the state completely cut off completely, the lower water jacket（2）Pass through the inlet opening on the outside of air flue（10）Connected with cooling water inlet pipe,
The upper water sleeve（1）Connected with cooling water outlet tube, described upper water sleeve（1）With lower water jacket（2）Pass through the water positioned at body central
Circulation road is connected；It is characterized in that：In lower water jacket（2）It is interior, the fuel injector sleeve pipe（4）With close inlet opening（10）A certain gas
Middle part water fender is provided between the outer wall in road（11）.
2. a kind of four-valve engine cylinder head efficiently cooled down according to claim 1, it is characterised in that：The middle part
Water fender（11）The outer wall phase of two other air flue adjacent with above-mentioned specified air flue respectively of two edges in the horizontal direction
Even, above-mentioned specified air flue refers in its outer wall and fuel injector sleeve pipe（4）Between set middle part water fender（11）That air flue.
3. a kind of four-valve engine cylinder head efficiently cooled down according to claim 1 or 2, it is characterised in that：It is described
Middle part water fender（11）Run through whole lower water jacket in the height direction（2）.
4. a kind of four-valve engine cylinder head efficiently cooled down according to claim 2, it is characterised in that：Kept off with middle part
Water plate（11）It is connected and closer to inlet opening（10）Air flue outer wall lower water jacket adjacent thereto（2）Provided with outer between inwall
Enclose water fender（14）.
5. a kind of four-valve engine cylinder head efficiently cooled down according to claim 4, it is characterised in that：The periphery
Water fender（14）Originating from lower water jacket（2）Bottom surface, be highly lower water jacket（2）The 1/2~1 of height.
6. a kind of four-valve engine cylinder head efficiently cooled down according to claim 2, it is characterised in that：It is above-mentioned to specify
The outer wall lower water jacket adjacent thereto of air flue（2）Water retaining ribs are provided between inwall（13）.
7. a kind of four-valve engine cylinder head efficiently cooled down according to claim 6, it is characterised in that：Described gear
Water muscle（13）Originating from lower water jacket（2）Bottom surface, in height equal to or less than lower water jacket（2）The 1/2 of height.
8. a kind of four-valve engine cylinder head efficiently cooled down according to claim 1, it is characterised in that：Described is upper
Water jacket（1）With lower water jacket（2）By positioned at fuel injector sleeve pipe（4）With middle part water fender（11）Between water stream channel（12）Even
It is logical.
9. a kind of four-valve engine cylinder head efficiently cooled down according to claim 1, it is characterised in that：Described four
In individual air flue, close to inlet opening（10）Two air flues be air intake duct, away from inlet opening（10）Two air flues be gas off-take.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621408372.9U CN206513451U (en) | 2016-12-21 | 2016-12-21 | A kind of four-valve engine cylinder head efficiently cooled down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621408372.9U CN206513451U (en) | 2016-12-21 | 2016-12-21 | A kind of four-valve engine cylinder head efficiently cooled down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513451U true CN206513451U (en) | 2017-09-22 |
Family
ID=59862244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621408372.9U Active CN206513451U (en) | 2016-12-21 | 2016-12-21 | A kind of four-valve engine cylinder head efficiently cooled down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513451U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762192A (en) * | 2016-12-21 | 2017-05-31 | 东风商用车有限公司 | A kind of four-valve engine cylinder head of reverse-flow efficient cooling |
| CN106762193A (en) * | 2016-12-21 | 2017-05-31 | 东风商用车有限公司 | A kind of four-valve engine cylinder head of efficient cooling |
| CN111852682A (en) * | 2020-06-04 | 2020-10-30 | 浙江义利汽车零部件有限公司 | Engine cooling water jacket system, engine cooling method and vehicle |
-
2016
- 2016-12-21 CN CN201621408372.9U patent/CN206513451U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762192A (en) * | 2016-12-21 | 2017-05-31 | 东风商用车有限公司 | A kind of four-valve engine cylinder head of reverse-flow efficient cooling |
| CN106762193A (en) * | 2016-12-21 | 2017-05-31 | 东风商用车有限公司 | A kind of four-valve engine cylinder head of efficient cooling |
| CN106762192B (en) * | 2016-12-21 | 2019-01-04 | 东风商用车有限公司 | A kind of reverse-flow efficiently cooling four-valve engine cylinder head |
| CN106762193B (en) * | 2016-12-21 | 2019-01-04 | 东风商用车有限公司 | A kind of efficiently cooling four-valve engine cylinder head |
| CN111852682A (en) * | 2020-06-04 | 2020-10-30 | 浙江义利汽车零部件有限公司 | Engine cooling water jacket system, engine cooling method and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103867332B (en) | A kind of water-cooled engine and cylinder head thereof | |
| CN206513451U (en) | A kind of four-valve engine cylinder head efficiently cooled down | |
| CN106089470B (en) | A kind of engine cool nested structure of integrated exhaust manifold | |
| CN203022903U (en) | Water cooling engine and cylinder covers of water cooling engine | |
| CN107956590B (en) | Engine cooling system and cooling method thereof | |
| CN103291487B (en) | Cooling water system for cylinder heads of engine | |
| CN206309486U (en) | The diesel engine cylinder cover of double-layer water jacket | |
| CN108035818A (en) | The cylinder head of pre-chamber spark plug | |
| CN109184935A (en) | The high-order cooling water jacket structure of Combined cylinder lid | |
| CN102937054B (en) | Water jacket of engine cylinder head | |
| CN103388536A (en) | Water jacket structure for motor cylinder cover | |
| CN202746025U (en) | Engine cooling water sleeve and engine cooling system | |
| CN207634197U (en) | A kind of engine-cooling system | |
| CN103266961A (en) | Engine cylinder cover | |
| CN106762192B (en) | A kind of reverse-flow efficiently cooling four-valve engine cylinder head | |
| CN106762193B (en) | A kind of efficiently cooling four-valve engine cylinder head | |
| CN103982317B (en) | A kind of high intensity cylinder cover for diesel engine | |
| CN206439118U (en) | A kind of reverse-flow four-valve engine cylinder head efficiently cooled down | |
| CN101956627B (en) | Gasoline engine cylinder cover with enhanced cooling bridge area high temperature part | |
| CN104295394B (en) | Diesel engine air cylinder cover | |
| CN206175077U (en) | Combination of motorcycle water -cooling engine cylinder block | |
| CN201723320U (en) | Gasoline engine cylinder cap with function of intensively cooling high-temperature position of nose-bridge zone | |
| CN104832311B (en) | engine cooling water jacket | |
| CN205260151U (en) | Cooling structure of engine cylinder lid | |
| CN109915275A (en) | A kind of three way type cylinder cap cooling structure of exhaust duct part necking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |