CN201531326U - Engine cylinder head gasket - Google Patents
Engine cylinder head gasket Download PDFInfo
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- CN201531326U CN201531326U CN2009201413881U CN200920141388U CN201531326U CN 201531326 U CN201531326 U CN 201531326U CN 2009201413881 U CN2009201413881 U CN 2009201413881U CN 200920141388 U CN200920141388 U CN 200920141388U CN 201531326 U CN201531326 U CN 201531326U
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- convex tendon
- cylinder
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- engine cylinder
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Abstract
The utility model relates to the technical field of engine sealing, particularly discloses an engine cylinder head gasket which is characterized by comprising a convex rib layer (1) and a baffle layer (2) which are connected with each other and provided with through holes; the through holes comprise a cylinder hole (10), water holes (11) and bolt holes (12); and the water holes are distributed around the cylinder hole (10). The engine cylinder head gasket has the benefits of low compressed thickness, reasonable sealing structure, small flow resistance of cooling liquid, good cooling effect of a cylinder body and a cylinder head, reduction of local overheating, good slight sealing effect, reliable performance, low cost, and long service life. Even if under the operating conditions of high temperature and high pressure of the engine, the gasket can also achieve good sealing effect, thus solving the problem of slight permeability, and meeting the requirements of the Euro III and Euro IV Displacement Standards, without slugging, air leakage, water leakage or oil leakage.
Description
Technical field
The utility model relates to the motor technical field of sealing technology, particularly a kind of engine cylinder cover pad.
Background technique
The major function of cylinder pad is to guarantee between cylinder body upper cylinder half hole, oil circuit, water route and the cylinder cap and the sealing in the external world that it still is the transferring elements of power between cylinder body and the cylinder cap simultaneously.Because motor lightweight day by day, it is harsh more that the air-proof condition of head gasket becomes, mainly show following some: because engine structure is compacter, sealing range dwindles; The employing of lightweight construction has limited the raising of bolt pretightening; Reduce cylinder deformation, require to have new combustion chamber sealing system under higher firing pressure and the temperature; In order to reduce head gasket tolerance and firing chamber clearance space, need to reduce the cylinder mat thickness.The metal composite that at present domestic asbestos that adopt or graphite cake are main material more is done because sealing is relatively poor, can not satisfy the seal request of new work engine.
Summary of the invention
In order to solve the problems of the prior art, the utility model proposes a kind of engine cylinder cover pad, solve engine gasket sheet sealing range and dwindle; The cooling liquid resistance is excessive, and cooling effect is not good, and there is the problem of hot spot in the cylinder block and head part, reaches to reduce head gasket tolerance and firing chamber clearance space, reduces the purpose of cylinder mat thickness.
The technological scheme that the prior art problem that solves the utility model is adopted is: design and make a kind of engine cylinder cover pad, comprise convex tendon layer and baffle layer; Described convex tendon layer is connected with baffle layer; Described convex tendon layer and baffle layer are provided with through hole; Described through hole comprises cylinder hole, water hole and bolt hole; Described water hole distributes on every side along described cylinder hole.
The utility model further improves: be provided with round muscle around the cylinder hole on the described convex tendon layer; Be provided with diagonal bar around the water hole on the described convex tendon layer; Be provided with diagonal bar around the described bolt hole.
The utility model further improves: coat processing around described baffle layer and the described cylinder hole.
The utility model further improves: the front end of described convex tendon layer is provided with a rectangular diagonal bar in order to isolate motor head lid and cylinder body and cylinder cap junction plane.
The utility model further improves: described convex tendon layer includes sulfuric horizon and semi-cure layer; The upper strata of described convex tendon layer upper surface is the semi-cure layer, and its lower floor is a sulfuric horizon; Described convex tendon layer lower surface is sulfuric horizon.
The utility model further improves: described baffle layer comprises sulfuric horizon and semi-cure layer; Described sulfuric horizon is positioned at the upper strata of described baffle layer lower surface; Described semi-cure layer is positioned at the bottom of described baffle layer lower surface.
The utility model further improves: the thickness of described convex tendon layer is 0.20-0.30mm; The thickness of described baffle layer is 0.10-0.20mm.
The utility model further improves: described convex tendon layer and baffle layer are riveted.
The effect that the utility model is useful is: compressed thickness is low, and sealing configuration is reasonable, and the coolant flow resistance is little, the cylinder block and head good cooling results, and local superheating reduces, little good sealing effect, reliable performance, cost is low, long service life.Can make motor under high temperature, high-pressure working condition, can both reach good sealing effect, solve little problem of oozing of motor, not towards cylinder, air tight, water-tight, oil-proof, can reach Europe III, Europe IV emission standard requirement.
Description of drawings
Fig. 1 is the utility model cylinder pad plan view.
Fig. 2 is the utility model cylinder pad A-A sectional view.
Fig. 3 is the utility model cylinder pad B-B sectional view.
Fig. 4 is the utility model cylinder pad C-C sectional view.
Fig. 5 is the utility model cylinder pad D-D sectional view.
Fig. 6 is the utility model cylinder pad E-E sectional view.
Fig. 7 is the utility model cylinder pad surface treatment coating structure schematic representation.
Fig. 8 is a cylinder pad design diagram of the present utility model.
Among the figure: 1, convex tendon layer; 2, baffle layer; 3, justify the muscle sealing; 4, diagonal bar sealing; 5, coat processing; 6, diagonal bar; 7, rectangular diagonal bar; 8, sulfuric horizon; 9, semi-cure layer; 10, cylinder hole; 11, water hole; 12, bolt hole; 13, head gasket installation direction; 14, water hole, bridge of the nose district.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of engine cylinder cover pad comprises convex tendon layer 1 and baffle layer 2; Described convex tendon layer 1 is connected with baffle layer 2; Described convex tendon layer 1 and baffle layer 2 are provided with through hole; Described through hole comprises cylinder hole 10, water hole 11 and bolt hole 12; Described water hole 11 is 10 distributions on every side along described cylinder hole.
Be provided with round muscle 3 around the cylinder hole on the described convex tendon layer 1; Be provided with diagonal bar 4 around the water hole 11 on the described convex tendon layer 1; Be provided with diagonal bar 6 around the described bolt hole 12.
Described baffle layer 2 coats processing with around the described cylinder hole 10.
The front end of described convex tendon layer 1 is provided with a rectangular diagonal bar 7 in order to isolate motor head lid and cylinder body and cylinder cap junction plane.
Described convex tendon layer 1 includes sulfuric horizon 8 and semi-cure layer 9; The upper strata of described convex tendon layer 1 upper surface is a semi-cure layer 9, and its lower floor is a sulfuric horizon 8; Described convex tendon layer 1 lower surface is sulfuric horizon (8).
Described baffle layer 2 comprises sulfuric horizon 8 and semi-cure layer 9; Described sulfuric horizon 8 is positioned at the upper strata of described baffle layer lower surface; Described semi-cure layer 9 is positioned at the bottom of described baffle layer lower surface.
The thickness of described convex tendon layer 1 is 0.20-0.30mm; The thickness of described baffle layer 2 is 0.10-0.20mm.
Described convex tendon layer 1 and baffle layer 2 are riveted.
This gasket construction, thickness is low, has reduced the firing chamber clearance space.
As shown in Figure 2, pad is divided into two-layer: the upper strata is a convex tendon layer 1, and lower floor is a baffle layer 2.As shown in Figure 3, adopt circle muscle sealing 3 around the convex tendon layer cylinder hole, adopt diagonal bar sealing 4 around water hole and the oilhole,, coat around the baffle layer cylinder hole and handle 5 in order to increase near the intensity cylinder hole.As shown in Figure 4, convex rib structure is a diagonal bar 6 near the cylinder bolt hole, and as shown in Figure 5, convex tendon layer front end has a rectangular diagonal bar 7, isolates motor head lid and cylinder body and cylinder cap mating face, avoids front cover machine oil to enter the firing chamber.As shown in Figure 6, two-layer pad adopts rivet to connect.This novel cylinder pad upper thickness 0.20-0.3mm, lower thickness 0.10-0.2mm, cylinder pad total thickness is less than 0.55-0.6mm, and thickness is very little, helps reducing the firing chamber clearance space.
This pad adopts new coating coated technique, solves gland shim coating thickness inequality, and seals problem of poor with cylinder surface and cylinder lid surface.
As shown in Figure 7, in order better to remedy the surface imperfection of cylinder pad fitting surface cylinder body and cylinder cap, realize little sealing, it is sulfuric horizon 8 that model utility cylinder pad adopts bottom, and top layer is the coating way of semi-cure layer 9, and the cladding material bed material is RFC101D.The total two-layer coating of the convex tendon layer upper surface (cylinder cap side) of this novel cylinder pad design, bottom is the sulfuration fluorine rubber, top layer is the semi-cure fluorine rubber; Convex tendon layer lower surface has one deck coating to be the sulfuration fluorine rubber; Baffle layer lower surface (cylinder body side) has two-layer coating, and bottom is the semi-cure fluorine rubber, and top layer is the sulfuration fluorine rubber.Repeatedly coating makes coating distribute more evenly reliably, and the holiday part can significantly reduce.
This pad adopts new water hole size design and arrangement, and it is excessive to have solved the cooling liquid resistance, and cooling effect is not good, and there is the problem of hot spot in the cylinder block and head part.
The water hole of this cylinder pad design arranges and size sees Fig. 8 for details, this novel head gasket arrange be according to each cylinder hole heat load of motor and cooling liquid in the cylinder cap between each cylinder hole flow and the different of flow velocity formulate, this kind layout can better be regulated and control the distribution of cooling liquid in the motor, thereby more helps the cooling and the thermal equilibrium of four cylinders.As shown in Figure 8, have cylinder-bore on the cylinder pad altogether four 10, water hole 11 mainly distributes on every side along each cylinder hole, water hole, three cylinder places is the most intensive and size is bigger, two or four cylinders take second place, and a cylinder is minimum, water hole, bridge of the nose district 14 diameter 3mm-8mm, 120 of bolts hole, head gasket install the rear to 13 by the rear end to front end.
In a kind of specific embodiment, as Fig. 1 to shown in Figure 8, a kind of displacement gasoline engine full-metallic head gasket, pad is divided into two-layer, Fig. 2 and for example, the upper strata is a convex tendon layer 1, material is SUS301H-TH; Lower floor is a baffle layer 2, and material is SUS304BA; As shown in Figure 3, adopt circle muscle sealing 3 around the baffle layer cylinder hole, adopt diagonal bar sealing 4 around the wide 2-3mm of muscle, water hole and oilhole, the wide 1-2mm of muscle coats around the baffle layer cylinder hole and handles 5.Convex rib structure is a diagonal bar 6 near Fig. 4 for another example, cylinder bolt hole; Among Fig. 5, convex tendon layer front end has a rectangular diagonal bar 7, isolates motor head lid and cylinder body and cylinder cap mating face, avoids front cover machine oil to enter the firing chamber.As shown in Figure 6, two-layer pad adopts rivet to connect.This novel cylinder pad upper thickness 0.20-0.3mm, lower thickness 0.10-0.2mm, cylinder pad total thickness is less than 0.55-0.6mm.This novel gasket construction thickness is low, has reduced the clearance space of firing chamber.
As Fig. 1 to this novel head gasket sealed muscle structure and Placement shown in Figure 6.Cylinder pad convex tendon layer is used heat treatment process and is made surface hardness reach 450HV-510HV before doing surface treatment.Novel head gasket convex tendon layer manufacturing process, the influence of residual stress that improved convex tendon layer convex tendon intensity and place to go.
As shown in Figure 7, this novel cylinder pad is in the head gasket surface treatment, and applied metal surface leaching coating process divides two-layer to gland shim convex tendon layer and baffle layer different surfaces, and every layer is carried out twice coating.Convex tendon layer upper surface carries out 4 coatings altogether like this, and thickness reaches 0.015-0.020mm; The convex tendon lower surface carries out twice coating altogether, and thickness reaches 0.01-0.015mm.The baffle layer upper surface does not apply, and lower surface is through four coatings, and thickness reaches 0.025-0.028mm.Repeatedly coating makes coating distribute more evenly reliably, and the holiday part can significantly reduce.The coating coated technique of this novel head gasket has solved gland shim coating thickness inequality, and seals problem of poor with cylinder surface and cylinder lid surface.
As shown in Figure 8, water hole layout and size according to engine water pump and water outlet position, are made in this novel cylinder pad layout reasonable in design water hole.Water hole 11 mainly distributes on every side along each cylinder hole, and water hole, three cylinder places is the most intensive and size is bigger, and two, four cylinders take second place, and a cylinder is minimum, water hole, bridge of the nose district 14 diameter 3mm-8mm.New water hole size design and arrangement, it is excessive to have solved the cooling liquid resistance, and cooling effect is not good, and there is the problem of hot spot in the cylinder block and head part.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. an engine cylinder cover pad is characterized in that: comprise convex tendon layer (1) and baffle layer (2); Described convex tendon layer (1) is connected with baffle layer (2); Described convex tendon layer (1) and baffle layer (2) are provided with through hole; Described through hole comprises cylinder hole (10), water hole (11) and bolt hole (12); Described water hole (11) distributes on every side along described cylinder hole (10).
2. according to the described engine cylinder cover pad of claim 1, it is characterized in that: be provided with round muscle (3) around the cylinder hole on the described convex tendon layer (1); Water hole (11) on the described convex tendon layer (1) is provided with diagonal bar (4) on every side; Described bolt hole (12) is provided with diagonal bar (6) on every side.
3. according to the described engine cylinder cover pad of claim 1, it is characterized in that: described baffle layer (2) coats processing on every side with described cylinder hole (10).
4. according to the described engine cylinder cover pad of claim 1, it is characterized in that: the front end of described convex tendon layer (1) is provided with a rectangular diagonal bar (7) in order to isolate motor head lid and cylinder body and cylinder cap junction plane.
5. according to the described engine cylinder cover pad of claim 1, it is characterized in that: described convex tendon layer (1) includes sulfuric horizon (8) and semi-cure layer (9); The upper strata of described convex tendon layer (1) upper surface is semi-cure layer (9), and its lower floor is sulfuric horizon (8); Described convex tendon layer (1) lower surface is sulfuric horizon (8).
6. according to the described engine cylinder cover pad of claim 1, it is characterized in that: described baffle layer (2) comprises sulfuric horizon (8) and semi-cure layer (9); Described sulfuric horizon (8) is positioned at the upper strata below the described baffle layer; Described semi-cure layer (9) is positioned at the bottom of described baffle layer lower surface.
7. according to the described engine cylinder cover pad of claim 1, it is characterized in that: the thickness of described convex tendon layer (1) is 0.20-0.30mm; The thickness of described baffle layer (2) is 0.10-0.20mm.
8. according to the described engine cylinder cover pad of claim 1, it is characterized in that: described convex tendon layer (1) and baffle layer (2) are riveted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201413881U CN201531326U (en) | 2009-09-29 | 2009-09-29 | Engine cylinder head gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201413881U CN201531326U (en) | 2009-09-29 | 2009-09-29 | Engine cylinder head gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201531326U true CN201531326U (en) | 2010-07-21 |
Family
ID=42526730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201413881U Expired - Lifetime CN201531326U (en) | 2009-09-29 | 2009-09-29 | Engine cylinder head gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201531326U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985901A (en) * | 2010-11-08 | 2011-03-16 | 东风朝阳柴油机有限责任公司 | Cylinder head gasket device with variable cross-section serial water ports |
| CN103459901A (en) * | 2011-03-30 | 2013-12-18 | 霓佳斯株式会社 | Cylinder head gasket |
| CN104389690A (en) * | 2014-11-25 | 2015-03-04 | 天津雷沃动力有限公司 | Cylinder cover connecting plate of diesel engine |
| CN106224111A (en) * | 2016-08-02 | 2016-12-14 | 安徽德锐仕机床制造有限公司 | A kind of engine cylinder hole and processing method thereof |
| CN109882307A (en) * | 2019-03-05 | 2019-06-14 | 广西玉柴机器股份有限公司 | A kind of engine cylinder cap water route throttle structure |
-
2009
- 2009-09-29 CN CN2009201413881U patent/CN201531326U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985901A (en) * | 2010-11-08 | 2011-03-16 | 东风朝阳柴油机有限责任公司 | Cylinder head gasket device with variable cross-section serial water ports |
| CN103459901A (en) * | 2011-03-30 | 2013-12-18 | 霓佳斯株式会社 | Cylinder head gasket |
| CN104389690A (en) * | 2014-11-25 | 2015-03-04 | 天津雷沃动力有限公司 | Cylinder cover connecting plate of diesel engine |
| CN104389690B (en) * | 2014-11-25 | 2017-09-29 | 天津雷沃发动机有限公司 | A kind of diesel engine cylinder cover connecting plate |
| CN106224111A (en) * | 2016-08-02 | 2016-12-14 | 安徽德锐仕机床制造有限公司 | A kind of engine cylinder hole and processing method thereof |
| CN109882307A (en) * | 2019-03-05 | 2019-06-14 | 广西玉柴机器股份有限公司 | A kind of engine cylinder cap water route throttle structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |
|
| CX01 | Expiry of patent term |