CN105756802A - Sealing pad - Google Patents
Sealing pad Download PDFInfo
- Publication number
- CN105756802A CN105756802A CN201610004843.8A CN201610004843A CN105756802A CN 105756802 A CN105756802 A CN 105756802A CN 201610004843 A CN201610004843 A CN 201610004843A CN 105756802 A CN105756802 A CN 105756802A
- Authority
- CN
- China
- Prior art keywords
- sealing
- sealing gasket
- cylinder
- pars intermedia
- frangible portion
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
- F02F11/002—Arrangements of sealings in combustion engines involving cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasket Seals (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a sealing pad, which can be used to improve the operability and reduce the maintenance costs. The sealing pad(11) is disposed between an installation surface of an installation object formed by a cylinder cover and a crankshaft case and an installed surface of every installed object formed by a plurality of cylinder bodies parallely fixedly disposed on the installation surface. The sealing pad (11) comprises a plurality of sealing parts (11e), which are respectively corresponding to the installed surfaces of the installed objects (the cylinder bodies), and are disposed between the installation surfaces and the installed surfaces; vulnerable parts(11g), which are disposed on the middle parts, and has the intensity less than that of the sealing part, and is separated from the plurality of sealing parts connected by the middle parts under the action of the external force.
Description
Technical field
The present invention relates to a kind of sealing gasket being arranged at cylinder body.
Background technology
Such as, as described in Patent Document 1, within the engine, between cylinder body and cylinder head and between cylinder body and crankcase, accompany sealing gasket, improved the sealing of linking portion by sealing gasket, it is prevented that from the gas leakage of cylinder interior.
But, in the electromotor possessing multiple cylinder, each cylinder is respectively formed with cylinder body.Now, multiple cylinder bodies are only arranged 1 cylinder head and crankcase.That is, 1 cylinder head and 1 crankcase are linked with multiple cylinder body.
Prior art literature
Patent documentation
Patent documentation 1:(Japan) Unexamined Patent 11-148555 publication
Such as, as it has been described above, being linked with in the electromotor of multiple cylinder body for 1 cylinder head and 1 crankcase, in order to realize the efficient activity of assembling operation, sometimes adopt the sealing gasket abutted with all cylinder bodies.In this case, even if needing repairing on arbitrary cylinder body, in order to unload sealing gasket, it is also necessary to unloading all of cylinder body, therefore workability is poor.
It addition, when changing the outfit one whole sealing gasket, the part abutted with the cylinder body beyond the cylinder body needed repairing also goes out of use, and sealing gasket to prepare again, and therefore maintenance cost uprises.
On the other hand, when arranging independent sealing gasket at each cylinder body, it is necessary to the installation exercise of multiple sealing gaskets, compared with the installation exercise of one whole sealing gasket, work operations quantitative change is many.
Summary of the invention
Therefore, it is an object of the invention to, it is provided that a kind of sealing gasket, it is possible to take into account the raising of workability and the reduction of maintenance cost.
In order to solve above-mentioned problem, the present invention provides a kind of sealing gasket, it is clamped between the installed surface of the mounting object being made up of cylinder head float chamber and the respective mounted face of mounted object being made up of the multiple cylinder bodies being fixed in installed surface side by side, it is characterized in that, sealing gasket possesses: sealing, its mounted face with multiple mounted objects is respectively correspondingly provided with multiple, and between mounted face and installed surface；Pars intermedia (in portion), they are between multiple sealings, and connect multiple sealing；Frangible portion, it is formed at pars intermedia, and intensity is at least low than sealing, described frangible portion by the effect of external force make via pars intermedia connect multiple hermetic units from.
In order to solve above-mentioned problem, the present invention also provides for another kind of sealing gasket, it is clamped between the installed surface of the mounting object being made up of cylinder body and the respective mounted face of mounted object being made up of the multiple cylinder head being fixed in installed surface side by side, it is characterized in that, sealing gasket possesses: sealing, its mounted face with multiple mounted objects is respectively correspondingly provided with multiple, and between mounted face and installed surface；Pars intermedia, they are between multiple sealings, and connect multiple sealing；And frangible portion, it is formed at pars intermedia, and intensity is at least low than sealing, this frangible portion by the effect of external force make via pars intermedia connect multiple hermetic units from.
Frangible portion can also be formed by multiple holes of through pars intermedia.
Frangible portion can also be formed by groove.
The main body of sealing gasket can also be by the sheet component formed containing heat resistance fiber and elastomeric material.
Invention effect
According to the present invention it is possible to take into account the raising of workability and the reduction of maintenance cost.
Accompanying drawing explanation
Fig. 1 is an illustration for the summary section of electromotor；
Fig. 2 is an illustration for the explanation figure of sealing gasket；
Fig. 3 is an illustration for the explanation figure of the sealing gasket of variation.
Symbol description
1 electromotor
2 cylinder bodies (mounted object, mounting object)
2a upper surface (mounted face, installed surface)
2b lower surface (mounted face)
5 cylinder head (mounting object, mounted object)
5a sealing surface (installed surface, mounted face)
9 crankcases (mounting object, mounted object)
9a sealing surface (installed surface)
11,21 sealing gasket
11a main body
11e sealing
11f pars intermedia
11g, 21g frangible portion
12 holes
22 grooves
Detailed description of the invention
With reference to the accompanying drawings the preferred embodiment of the present invention is described in detail.Size shown in related embodiment, material, other concrete numerical value etc. are intended merely to the example of invention easy to understand, except the situation of special instruction, do not limit the present invention.It should be noted that in this specification and accompanying drawing, to the identical symbol of key element mark being of virtually identical function, structure, thus omit repeat specification, it addition, the omitting elements diagram being not directly dependent upon with the present invention.
Fig. 1 is an illustration for the summary section of electromotor 1.As it is shown in figure 1, electromotor 1 is the bi-block engine of the two-stroke possessing two cylinder bodies 2, it is internally formed, at each cylinder body 2, the cylinder 4 making piston 3 move.
In two cylinder bodies 2, in FIG, the upper surface 2a of upside (mounted face) side be configured with cylinder head 5.In cylinder head 5, as the sealing surface 5a (installed surface) of end face of the side being provided with cylinder body 2 throughout the upper surface 2a of two cylinder bodies 2, (radial direction of cylinder 4) extends in FIG in left-right direction.Two cylinder bodies 2 are fixed in sealing surface 5a side by side, are covered the 2a side, upper surface of two cylinders 4 by cylinder head 5.It addition, by cylinder head 5, cylinder body 2, piston 3 around space become combustor 6.
Piston 3 links via connecting rod 7 and bent axle 8.Bent axle 8 is pivotally supported by the multiple bearings 10 being configured in crankcase 9.Crankcase 9 is configured at lower surface 2b (mounted face) side of downside in the Fig. 1 in two cylinder bodies 2.
In crankcase 9, the sealing surface 9a (installed surface) as the end face of the side being provided with cylinder body 2 extends throughout the lower surface 2b of two cylinder bodies 2 according to left and right directions (radial direction of cylinder 4) in FIG.Two cylinder bodies 2 are fixed in sealing surface 9a side by side, and are covered the 2b side, lower surface of two cylinders 4 by crankcase 9.
In electromotor 1, when fuel burns in combustor 6, when piston 3 is subject to its bulbs of pressure and reciprocates in cylinder 4, the power of piston 3 is transferred to bent axle 8 via connecting rod 7 and makes bent axle 8 rotate.Now, in cylinder 4, it is full of air inlet and aerofluxus, therefore it is required that sealing.
In order to improve the sealing in cylinder 4, between the lower surface 2b and the sealing surface 9a of crankcase 9 of cylinder body 2, and between the upper surface 2a and the sealing surface 5a of cylinder head 5 of cylinder body 2, it is clamped with the sealing gasket 11 represented by the dotted line in Fig. 1.The structure of two sealing gaskets 11 is practically identical, therefore below the sealing gasket 11 being configured between two cylinder bodies 2 and crankcase 9 is described in detail.
Fig. 2 is an illustration for the middle sealing gasket 11 represented in Fig. 1 of explanation figure, Fig. 2 (a) of sealing gasket 11 and the II direction view of crankcase 9, in Fig. 2 (b), is extracted by the sealing gasket 11 in Fig. 2 (a) and represents.In Fig. 2 (a), utilize thick line to represent sealing gasket 11, utilize fine rule double dot dash line to represent crankcase 9.It addition, in Fig. 2 (a), in order to easy to understand, also comprise and illustrate the position that is hidden in sealing gasket 11.
The main body 11a of sealing gasket 11 is by heat resistance fiber and reinforcement material and has the sheet component that the synthetic rubber of oil lubricity is constituted.At this, it is by heat resistance fiber and reinforcement material to main body 11a and there is the situation of the sheet component that the synthetic rubber of oil lubricity is constituted illustrates, but the material of main body 11a is not particularly limited.
As shown in Fig. 2 (a), crankcase 9 have the not shown butterfly valve being assembled with opening and closing charge air flow path assembly hole 9b and with cylinder 4 to, the peristome 9c that inserts connecting rod 7.Corresponding respectively with two cylinder bodies 2, each two is provided with assembly hole 9b and peristome 9c.
On sealing gasket 11, it is each formed with two to hole 11b, 11c.To hole 11b between the respective charge air flow path in crankcase 9 side and cylinder body 2 side, to hole 11c between the peristome 9c of crankcase 9 and the cylinder 4 of cylinder body 2.It addition, on the surface of sealing gasket 11, to intersect shown in hachure in Fig. 2, by around the configuration to hole 11b, 11c both sides being coated with sealant, improving the sealing of sealing gasket 11.
It addition, the inserting hole 11d that the bolt being formed with multiple link crankcase 9 and cylinder body 2 on sealing gasket 11 is inserted.
And, as shown in Fig. 2 (b), sealing gasket 11 possesses sealing 11e.Sealing 11e respectively correspondingly arranges two with the lower surface 2b of two cylinder bodies 2 (mounted face) and is in the position between the lower surface 2b of cylinder body 2 and the sealing surface 9a of crankcase 9 in the main body 11a of sealing gasket 11.
Pars intermedia 11f be sealing gasket 11 main body 11a between two sealing 11e, and connect the position of multiple sealing 11e.Such as, when being configured with two cylinder body 2 in close contact, pars intermedia 11f becomes the boundary line sections of two sealing 11e in the main body 11a of sealing gasket 11.
Frangible portion 11g is formed at pars intermedia 11f and at least low than the sealing 11e position of intensity.At this, frangible portion 11g is formed by multiple holes 12 that thickness direction from nearby side towards side, depths and along main body 11a is through in fig. 2 by pars intermedia 11f.
Pars intermedia 11f is formed with frangible portion 11g (hole 12), and strength ratio sealing 11e is low, therefore, when elongated body 11a portion etc. is to pars intermedia 11f external force action, separates via pars intermedia 11f two the sealing 11e connected.
By using this sealing gasket 11, have the effect that.That is, during assembling electromotor 1, sealing gasket 11 is one whole abutted with two cylinder bodies 2, and therefore, compared with installing independent sealing gasket with to each cylinder body 2, workability improves.
It addition, during maintenance electromotor 1, when 1 cylinder body 2 needs repairing, after unloading the cylinder body 2 of lower crankcase 9 and maintenance objects, stretch sealing gasket 11, thus, pars intermedia 11f ruptures from frangible portion 11g, and two sealing 11e separate.So, only unload the sealing 11e of cylinder body 2 side of maintenance objects, and the new sealing gasket being only made up of 1 sealing 11e is installed on cylinder body 2 side of maintenance objects.
In the past, when updating one whole sealing gasket, the part abutted with the cylinder body beyond the cylinder body needed repairing of sealing gasket also went out of use, and again to prepare, and therefore maintenance cost uprises.In the sealing gasket 11 of present embodiment, as it has been described above, part necessary in sealing gasket 11 can only be changed, it is possible to reduce maintenance cost.
Fig. 3 is an illustration for the explanation figure of the sealing gasket 21 of variation.In the above-described embodiment, describe frangible portion 11g situation about being made up of multiple holes 12, but in variation, frangible portion 21g is formed by groove 22.By frangible portion 21g being set to groove 22, frangible portion 21g can be readily formed, it is possible to decrease form the cost required for frangible portion 21g.
But, such as above-mentioned embodiment, by utilizing hole 12 to constitute frangible portion 11g, it is possible to reducing the intensity of frangible portion 11g further, the cut-out of sealing 11e becomes easy, workability improves.
It addition, frangible portion is not limited to hole 12 and groove 22, as long as strength ratio sealing 11e is weak, then be such as made up of the raw material that strength ratio sealing 11e is low etc. other what kind of constitute can.
It addition, in above-mentioned embodiment and variation, the sealing gasket 11 being clamped between cylinder body 2 and crankcase 9 has been carried out detailed narration, but sealing gasket 11 can also be clamped between cylinder body 2 and cylinder head 5.
It addition, in above-mentioned embodiment and variation, describe and the main body 11a of sealing gasket 11 is set to by least containing heat resistance fiber and the situation of sheet component that elastomeric material is formed, but for example, it is also possible to be the sheet component of raw material metal.But, by the main body 11a of sealing gasket 11 being set to by the sheet component at least containing heat resistance fiber and elastomeric material is formed, while being maintained as the function of sealing gasket 11, make the cut-out of multiple sealing 11e become easy, workability can be improved.
Additionally, in above-mentioned embodiment and variation, describe following situation, namely, cylinder head 5 and crankcase 9 are the mounting objects with sealing surface 5a, 9a, multiple cylinder bodies 2 are the mounted objects with mounted face, arrange cylinder body 2 to multiple cylinders 4 are each and therefore arrange multiple cylinder body 2, and cylinder head 5 and multiple cylinders 4 are integrally formed accordingly.
But, cylinder body can also be the mounting object with installed surface, and cylinder head can also be have the mounted object in mounted face, and cylinder body and multiple cylinder 4 are integrally formed accordingly, and arranges cylinder head to multiple cylinders 4 are each and are therefore provided with multiple cylinder head.In this case, in cylinder body, the upper surface as the face of cylinder head side becomes installed surface, and in cylinder head, the sealing surface as the face of cylinder body side becomes mounted face.
Above by reference to accompanying drawing, the preferred embodiment of the present invention is illustrated, but the present invention is not limited to above-mentioned embodiment certainly, for the various modifications in the category described in claims or fixed case, certainly fall within the technical scope of the present invention.
Industrial applicibility
The present invention can be used for the sealing gasket arranged on multiple cylinder bodies.
Claims (7)
1. a sealing gasket, it is clamped between the installed surface of the mounting object being made up of cylinder head float chamber and the respective mounted face of mounted object being made up of the multiple cylinder bodies being fixed in this installed surface side by side, it is characterised in that described sealing gasket possesses:
Sealing, its mounted face with multiple described mounted objects is respectively correspondingly provided with multiple, and between this mounted face and described installed surface；
Pars intermedia, they are between multiple described sealings, and connect this sealing multiple；And
Frangible portion, it is formed at described pars intermedia, and intensity is at least low than described sealing, described frangible portion by the effect of external force make these hermetic units multiple of connecting via this pars intermedia from.
2. a sealing gasket, it is clamped between the installed surface of the mounting object being made up of cylinder body and the respective mounted face of mounted object being made up of the multiple cylinder head being fixed in this installed surface side by side, it is characterised in that described sealing gasket possesses:
Sealing, its mounted face with multiple described mounted objects is respectively correspondingly provided with multiple, and between this mounted face and described installed surface；
Pars intermedia, they are between multiple described sealings, and connect this sealing multiple；And
Frangible portion, it is formed at described pars intermedia, and intensity is at least low than described sealing, described frangible portion by the effect of external force make these hermetic units multiple of connecting via this pars intermedia from.
3. sealing gasket according to claim 1 and 2, it is characterised in that
Described frangible portion is formed by multiple holes of through described pars intermedia.
4. sealing gasket according to claim 1 and 2, it is characterised in that
Described frangible portion is formed by groove.
5. sealing gasket according to claim 1 and 2, it is characterised in that
The main body of described sealing gasket is by the sheet component formed containing heat resistance fiber and elastomeric material.
6. sealing gasket according to claim 3, it is characterised in that
The main body of described sealing gasket is by the sheet component formed containing heat resistance fiber and elastomeric material.
7. sealing gasket according to claim 4, it is characterised in that
The main body of described sealing gasket is by the sheet component formed containing heat resistance fiber and elastomeric material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015001260A JP6200438B2 (en) | 2015-01-07 | 2015-01-07 | gasket |
| JP2015-001260 | 2015-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105756802A true CN105756802A (en) | 2016-07-13 |
Family
ID=56342333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610004843.8A Pending CN105756802A (en) | 2015-01-07 | 2016-01-05 | Sealing pad |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6200438B2 (en) |
| CN (1) | CN105756802A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0310528A1 (en) * | 1987-10-02 | 1989-04-05 | Curty Payen S.A. | Cylinder head gasket for an internal-combustion engine |
| US20060097460A1 (en) * | 2004-11-10 | 2006-05-11 | Ishikawa Gasket Co., Ltd | Metal gasket |
| CN103502702A (en) * | 2011-03-03 | 2014-01-08 | 费德罗-莫格尔公司 | Cylinder head gasket |
| CN203560435U (en) * | 2013-10-28 | 2014-04-23 | 芜湖荣基密封系统有限公司 | Multiple-cylinder single-layer metal cylinder gasket adopting multiple-sealing structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61171786A (en) * | 1985-01-24 | 1986-08-02 | Nippon Raintsu Kk | Composition for gasket |
| JPH11148555A (en) * | 1997-11-14 | 1999-06-02 | Suzuki Motor Corp | Metal gasket |
| JP2004360801A (en) * | 2003-06-05 | 2004-12-24 | Yanmar Co Ltd | Manifold gasket |
| JP2009074478A (en) * | 2007-09-21 | 2009-04-09 | Nissan Diesel Motor Co Ltd | Head gasket for engines |
-
2015
- 2015-01-07 JP JP2015001260A patent/JP6200438B2/en not_active Expired - Fee Related
-
2016
- 2016-01-05 CN CN201610004843.8A patent/CN105756802A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0310528A1 (en) * | 1987-10-02 | 1989-04-05 | Curty Payen S.A. | Cylinder head gasket for an internal-combustion engine |
| US20060097460A1 (en) * | 2004-11-10 | 2006-05-11 | Ishikawa Gasket Co., Ltd | Metal gasket |
| CN103502702A (en) * | 2011-03-03 | 2014-01-08 | 费德罗-莫格尔公司 | Cylinder head gasket |
| CN203560435U (en) * | 2013-10-28 | 2014-04-23 | 芜湖荣基密封系统有限公司 | Multiple-cylinder single-layer metal cylinder gasket adopting multiple-sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016125614A (en) | 2016-07-11 |
| JP6200438B2 (en) | 2017-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: Tokyo, Japan, Japan Applicant after: Subaru Co. Address before: Tokyo, Japan, Japan Applicant before: Fuji Heavy Industries, Ltd. |
|
| CB02 | Change of applicant information | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160713 |
|
| WD01 | Invention patent application deemed withdrawn after publication |