CN103883421A - Air cylinder cover of V-type diesel engine - Google Patents
Air cylinder cover of V-type diesel engine Download PDFInfo
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- CN103883421A CN103883421A CN201410134452.9A CN201410134452A CN103883421A CN 103883421 A CN103883421 A CN 103883421A CN 201410134452 A CN201410134452 A CN 201410134452A CN 103883421 A CN103883421 A CN 103883421A
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- cylinder head
- water outlet
- air cylinder
- type diesel
- cylinder cover
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Abstract
The invention discloses an air cylinder cover of a V-type diesel engine. The V-type diesel engine is provided with two identical air cylinder covers. The air cylinder cover comprises an air cylinder cover body and a flow guide plate with a gap, a cooling water cavity is formed in the air cylinder cover body, a front-end water outlet and a rear-end water outlet are formed in the front end and the rear end of the air cylinder cover body respectively and are communicated with the cooling water cavity, the flow guide plate with the gap is arranged in the cooling water cavity in a nose bridge area of the air cylinder cover body, and the water cooling cavity in the nose bridge area of the air cylinder cover body is divided into an upper-layer water flow area and a lower-layer water flow area by the flow guide plate with the gap. Through the air cylinder body, water outlet manifold design can be eliminated, the overall layout is compact, the cooling effect is obvious, machining is easy, and cost is saved.
Description
Technical field
The present invention relates to diesel engine field, particularly a kind of cylinder head of V-type diesel.
Background technique
In existing V-type diesel, need left side, right cylinder heads are installed, the structure of left side, right cylinder heads is identical, but when mounted, forms the front end state corresponding with rear end after need to rotating 180 ° of angles.And existing cylinder head, after design completes, its type of cooling is determined often, the flow direction of cooling water is just changeless, and reason is very simple, exactly after integral arrangement completes, upper water hole, osculum position immobilize, in addition, must consider the cooling effect of cylinder cap ridge area in the time of design cylinder cover water jacket model, the water speed excessively of ridge area must meet designing requirement.So, in the process of design V-type diesel cylinder cap, often to face a difficult problem for cylinder head osculum design, in the past in order not affect the flow of cooling water effect of cylinder cap inside, can design supply mains's (collecting the water outlet of front end and back end), make troubles to like this integral layout of V-type diesel.
The information that is disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of cylinder head of V-type diesel, guaranteeing cylinder head cooling effect, particularly guarantee that the water velocity of ridge area meets in the situation of designing requirement, diesel engine integral layout is simply compact.
For achieving the above object, the invention provides a kind of cylinder head of V-type diesel, this V-type diesel is installed two identical cylinder head, this cylinder head comprises: cylinder head body, its inside has cooling water chamber, the front-end and back-end of cylinder head body are respectively equipped with front end water outlet and rear end water outlet, and front end water outlet and rear end water outlet and cooling water chamber connect; And notched guide plate, it is located in the cooling water chamber in cylinder head ridge area, and the cooling water chamber of cylinder head ridge area is divided into current region, upper strata and lower floor's current region by notched guide plate.
In technique scheme, front end water outlet has flanged surface, and flanged surface is vertical with the bottom surface of cylinder head.
In technique scheme, rear end water outlet is positioned at the end face of cylinder head.
In technique scheme, cylinder head body interior also has air outlet flue, and the relief opening of air outlet flue is O type.
Compared with prior art, the present invention has following beneficial effect: by be respectively equipped with front end water outlet and rear end water outlet in the front-end and back-end of cylinder head body, do not need to design supply mains, and integral layout compactness, processing is simple; Be positioned at the flow direction of the cooling water of cylinder head ridge area by being provided with notched guide plate forcibly changing in the cooling water chamber in cylinder head ridge area, strengthen the oppositely rear cooling effect improving ridge area of current; Two of the left and right cylinder cap of this V-type diesel can utilize same set of mould to produce, but the direction of cooling water flow in the cylinder cap of two of left and right is contrary, changed traditional type of cooling, and cooling effect is obvious.
Accompanying drawing explanation
Fig. 1 is according to the schematic top plan view of the cylinder head of V-type diesel of the present invention;
Fig. 2 looks schematic diagram according to a left side for the cylinder head of V-type diesel of the present invention;
Fig. 3 is the sectional view along A-A direction in Fig. 1;
Fig. 4 is according to the partial sectional view of the cylinder head of V-type diesel of the present invention, and the position relationship of cylinder cap ridge area, notched guide plate is shown;
Fig. 5 is according to the partial sectional view of the cylinder head of V-type diesel of the present invention, and the shape of relief opening is shown;
Fig. 6 is mounted in the cooling water flow of the cylinder head on the left of V-type diesel to schematic diagram;
Fig. 7 is mounted in the cooling water flow of cylinder head on V-type diesel right side to schematic diagram.
Main description of reference numerals:
1-cylinder head body, 11-rear end water outlet, 12-front end water outlet, upper water hole, 13-cylinder cap bottom, 2-guide plate, 21-breach, 3-cylinder cap ridge area, current region, 31-upper strata, 32-lower floor current region, 4-air outlet flue, 41-relief opening.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole specification and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or constituent element, and do not get rid of other element or other constituent element.
As shown in Figure 1 to Figure 3, according to the cylinder head of the V-type diesel of the specific embodiment of the invention, this V-type diesel is installed two identical cylinder head, cylinder head comprises that cylinder head body 1 and the guide plate 2(with breach 21 are referring to Fig. 4), cylinder head body 1 inside has cooling water chamber (referring to Fig. 6 or Fig. 7), the front end of cylinder head body 1 is provided with front end water outlet 12, front end water outlet 12 has flanged surface 121, flanged surface 121 vertical with the bottom surface of cylinder head (referring to Fig. 2), the rear end of cylinder head body 1 is provided with rear end water outlet 11, rear end water outlet 11 is positioned at the end face (referring to Fig. 1) of cylinder head, front end water outlet 12 and rear end water outlet 11 connect (referring to Fig. 6 and Fig. 7) with cooling water chamber, front end water outlet 12 and rear end water outlet 11 and the 1 integrally casting moulding of cylinder head body, strengthen cylinder head intensity, rigidity.This cylinder head is arranged on respectively after V-type diesel, the cooling water of two cylinder head flows out by front end water outlet 12 and rear end water outlet 11 respectively, form thus cylinder head in V-type diesel with cylinder cap different cooling water flows to, and then can cancel outfall sewer, can make V-type diesel integral layout simply compact, cost-saving.Guide plate 2 with breach 21 is located in cylinder head ridge area 3(referring to Fig. 4) cooling water chamber in, notched guide plate 2 is divided into current region, upper strata 31 and lower floor's current region 32(referring to Fig. 3 by the cooling water chamber of cylinder head ridge area), notched guide plate 2 can forcibly changing be positioned at the flow direction of the cooling water of cylinder head ridge area 3, strengthens current and improves the cooling effect to ridge area after oppositely.
As shown in Fig. 4 and 5, cylinder head body 1 inside also has air outlet flue 4, the relief opening 41 of air outlet flue 4 is O type (referring to Fig. 5), the design of air outlet flue 4 adopts forward Parametric designing, and forward Parametric designing can Direct Modeling, can be according to engineering relation and geometrical relationship to the requirement of modeling specified design, effectively control height and the discharge area of this region apart from cylinder cap bottom surface, can guarantee the cooling effect of ridge area, can avoid again this regional metal to pile up too high, affect cylinder cap performance.Relief opening adopts the design of O type mouth, can make cylinder head exhaust sealing be strengthened, and improves exhaust sealing, reduces exhaust energy loss.In addition, the cylinder head inside of this V-type diesel also can adopt stiffening ribs such as strengthening base plate, bolt lug, with the moulding of cylinder head body integrally casting, further improves the rigidity of the integrated degree of cylinder cap and cylinder head body.
As shown in FIG. 6 and 7, the cylinder head of the V-type diesel that the present embodiment provides has changed traditional type of cooling simultaneously, particularly, V-type diesel is in the time installing left hand cylinder lid, cooling water enters cooling water chamber in water hole 13 from cylinder cap bottom, now, seal rear end water outlet 11 with cover plate, cooling water brings out the mouth of a river 12 according to the direction of arrow in Fig. 6 in the past and flows out.In the time that right cylinder heads is installed, cooling water enters cooling water chamber in water hole 13 from cylinder cap bottom, now, seal front end water outlet 12 with cover plate, cooling water flows out from rear end water outlet 11 according to the direction of arrow in Fig. 7, this is contrary with regard to making the direction of cooling water flow in the cylinder cap of two of left and right, and in the outside water outlet of V-type diesel in the same side, do not need to design supply mains, integral layout compactness, but can not change the cooling effect to cylinder cap, the particularly cooling effect to ridge area.
In addition, two of the left and right of this V-type diesel cylinder cap can utilize same set of mould to produce, but the direction of cooling water flow in the cylinder cap of two of left and right is contrary, changed traditional type of cooling, and cooling effect is obvious.
The aforementioned description to concrete exemplary of the present invention is in order to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present invention and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present invention and various selection and change.Scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (5)
1. a cylinder head for V-type diesel, this V-type diesel is installed two identical cylinder head, it is characterized in that, and this cylinder head comprises:
Cylinder head body, its inside has cooling water chamber, and the front-end and back-end of described cylinder head body are respectively equipped with front end water outlet and rear end water outlet, and described front end water outlet and described rear end water outlet and described cooling water chamber connect; And
Notched guide plate, it is located in the cooling water chamber in cylinder head ridge area, and the cooling water chamber of described cylinder head ridge area is divided into current region, upper strata and lower floor's current region by described notched guide plate.
2. the cylinder head of V-type diesel according to claim 1, is characterized in that, described front end water outlet has flanged surface, and described flanged surface is vertical with the bottom surface of cylinder head.
3. the cylinder head of V-type diesel according to claim 2, is characterized in that, described rear end water outlet is positioned at the end face of cylinder head.
4. according to the cylinder head of the V-type diesel described in claims 1 to 3 any one, it is characterized in that, described cylinder head body interior also has air outlet flue, and the relief opening of described air outlet flue is O type.
5. according to described in claims 1 to 3 any one, it is characterized in that described front end water outlet and described rear end water outlet and the moulding of described cylinder head body integrally casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134452.9A CN103883421A (en) | 2014-04-02 | 2014-04-02 | Air cylinder cover of V-type diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134452.9A CN103883421A (en) | 2014-04-02 | 2014-04-02 | Air cylinder cover of V-type diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103883421A true CN103883421A (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410134452.9A Pending CN103883421A (en) | 2014-04-02 | 2014-04-02 | Air cylinder cover of V-type diesel engine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0674041A (en) * | 1992-08-24 | 1994-03-15 | Daihatsu Motor Co Ltd | Structure of cylinder head for four-valve type internal combustion engine |
| CN201092896Y (en) * | 2007-10-26 | 2008-07-30 | 上海柴油机股份有限公司 | Multi-cylinder diesel engine intensive cooling double-layer water channel integral cylinder cap |
| CN201326468Y (en) * | 2008-12-09 | 2009-10-14 | 奇瑞汽车股份有限公司 | Cylinder cover with cooling water jacket |
| CN102678374A (en) * | 2012-06-05 | 2012-09-19 | 中国兵器工业集团第七0研究所 | Novel diesel engine cylinder head |
| CN203022903U (en) * | 2012-12-17 | 2013-06-26 | 安徽华菱汽车有限公司 | Water cooling engine and cylinder covers of water cooling engine |
| CN203742819U (en) * | 2014-04-02 | 2014-07-30 | 广西玉柴机器股份有限公司 | Cylinder cover of V-type diesel engine |
-
2014
- 2014-04-02 CN CN201410134452.9A patent/CN103883421A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0674041A (en) * | 1992-08-24 | 1994-03-15 | Daihatsu Motor Co Ltd | Structure of cylinder head for four-valve type internal combustion engine |
| CN201092896Y (en) * | 2007-10-26 | 2008-07-30 | 上海柴油机股份有限公司 | Multi-cylinder diesel engine intensive cooling double-layer water channel integral cylinder cap |
| CN201326468Y (en) * | 2008-12-09 | 2009-10-14 | 奇瑞汽车股份有限公司 | Cylinder cover with cooling water jacket |
| CN102678374A (en) * | 2012-06-05 | 2012-09-19 | 中国兵器工业集团第七0研究所 | Novel diesel engine cylinder head |
| CN203022903U (en) * | 2012-12-17 | 2013-06-26 | 安徽华菱汽车有限公司 | Water cooling engine and cylinder covers of water cooling engine |
| CN203742819U (en) * | 2014-04-02 | 2014-07-30 | 广西玉柴机器股份有限公司 | Cylinder cover of V-type diesel engine |
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Application publication date: 20140625 |