CN214007355U - Cylinder head gasket - Google Patents
Cylinder head gasket Download PDFInfo
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- CN214007355U CN214007355U CN202022364440.9U CN202022364440U CN214007355U CN 214007355 U CN214007355 U CN 214007355U CN 202022364440 U CN202022364440 U CN 202022364440U CN 214007355 U CN214007355 U CN 214007355U
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- functional layer
- cylinder head
- gasket
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Abstract
The utility model particularly relates to a cylinder head gasket. The cylinder head gasket includes the gasket body, is equipped with the cylinder hole on the gasket body, and the gasket body includes: a first functional layer; a second functional layer, the first functional layer being compatible with the second functional layer; the protective layer wraps one end of the first functional layer and one end of the second functional layer to form a wrapping structure, and a first water inlet hole penetrating through the first functional layer, the second functional layer and the protective layer is formed in the gasket body; the reinforcing plate is arranged between the first functional layer and the second functional layer, and the unfilled corner structure is formed on the reinforcing plate, so that the first functional layer has a gap between the position corresponding to the unfilled corner structure and the second functional layer, and the gap is located at the edge of the first water inlet hole, which is far away from one side of the cylinder hole. The utility model discloses a unfilled corner structure of cylinder head gasket for the heat altered shape of cylinder head can release, reduces between cylinder head and the gasket, produces between each layer of gasket and rubs with the hands, improves the leakproofness of cylinder head gasket.
Description
Technical Field
The utility model belongs to the technical field of the engine spare part, concretely relates to cylinder head gasket.
Background
In the working process of an engine, the temperature of an exhaust passage in the cylinder cover is higher, the cylinder cover and the cylinder cover gasket have larger contact stress due to expansion with heat and contraction with cold of materials, and the cylinder cover has larger transverse slip under the action of cold and hot impact, so that the cylinder cover, the gasket and each layer of the gasket are twisted, and the sealing performance and the service life of the cylinder cover gasket are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at least solving the problem of improving the sealing performance of the cylinder head gasket. The purpose is realized by the following technical scheme:
the utility model provides a cylinder head gasket, cylinder head gasket includes the gasket body be equipped with the jar hole on the gasket body, the gasket body includes: a first functional layer; a second functional layer, said first functional layer being compatible with said second functional layer; the gasket body is provided with a first water inlet hole penetrating through the first functional layer, the second functional layer and the protective layer, and the first water inlet hole is arranged corresponding to an exhaust passage of the cylinder cover; the reinforcing plate is arranged between the first functional layer and the second functional layer, and a notch structure is formed on the reinforcing plate, so that a gap is formed between the position corresponding to the notch structure of the first functional layer and the second functional layer, and the gap is located at the edge of the first water inlet hole, which is far away from the side of the cylinder hole.
According to the utility model discloses cylinder head gasket, the reinforcing plate of gasket body is equipped with unfilled corner structure in the edge of one side of keeping away from the cylinder hole at first inlet opening, the gasket body forms the clearance in the edge that the cylinder hole was kept away from at first inlet opening, thereby the deformation space of cylinder head is provided, make the thermal deformation that the cylinder head produced because of high temperature release simultaneously, thereby contact force between cylinder head and the cylinder head gasket under the hot state has been reduced, between reduction cylinder head and the gasket, produce between each layer of gasket and rub with the hands, improve the sealing performance and the life of cylinder head gasket.
In addition, according to the utility model discloses cylinder head gasket, can also have following technical characteristics:
in some embodiments of the present invention, the first functional layer is a flat plate type, the second functional layer is a bending type, and a receiving space is formed between the first functional layer and the second functional layer.
In some embodiments of the invention, the edge-wrapping structure is formed around the edge of the cylinder head gasket and/or the cylinder bore.
In some embodiments of the present invention, the cylinder head gasket further comprises a sealing member, the sealing member corresponding to the position of the first water inlet hole is connected to the gasket body.
In some embodiments of the present invention, the sealing member includes a connecting portion and a sealing portion, one end of the connecting portion is connected to the sealing portion, and the other end of the connecting portion is connected to the protective layer or the second functional layer.
In some embodiments of the present invention, the connecting portion is made of a metal material, and the sealing portion is made of a rubber material.
In some embodiments of the present invention, the gasket body is provided with a second water inlet hole, a sealing hole and a drainage hole, the first water inlet hole is located on one side of the cylinder hole, and the drainage hole is located on the other side of the cylinder hole.
In some embodiments of the present invention, the gasket body further has a push rod hole, and the push rod hole is located on the opposite side of the cylinder hole.
In some embodiments of the present invention, the sealing member is a plurality of sealing members, and the plurality of sealing members respectively correspond to the first water inlet hole, the second water inlet hole, the drain hole, the sealing hole, and the push rod hole, and are connected to the gasket body.
In some embodiments of the present invention, the gasket body is made of a metal material.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 is a schematic overall structure diagram of a cylinder head gasket according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the reinforcing plate shown in FIG. 1;
fig. 3 is a sectional view of the section a-a shown in fig. 1.
The reference symbols in the drawings denote the following:
100: cylinder head gasket, 101: first inlet opening, 102: cylinder bore, 103: second inlet opening, 104: drain hole, 105: push rod hole, 106: sealing the hole, 107: connecting holes;
10: gasket body, 11: first functional layer, 12: second functional layer, 13: protective layer, 14: structure of borduring, 15: reinforcing plate, 151: unfilled corner structure, 16: a gap;
20: seal, 21: connecting part, 22: and a sealing part.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a cylinder head gasket 100, where the cylinder head gasket 100 includes a gasket body 10, a cylinder hole 102 is provided on the gasket body 10, and the gasket body 10 includes: first functional layer 11, second functional layer 12, protective layer 13 and reinforcing plate 15, first functional layer 11 and second functional layer 12 looks adaptation, protective layer 13 parcel first functional layer 11's one end and the one end of second functional layer 12, in order to form bordure structure 14, seted up the first inlet opening 101 that runs through first functional layer 11, second functional layer 12 and protective layer 13 on gasket body 10, first inlet opening 101 corresponds the exhaust passage setting of cylinder head, reinforcing plate 15 sets up between first functional layer 11 and second functional layer 12, be formed with unfilled corner structure 151 on reinforcing plate 15, so that first functional layer 11 has clearance 16 between the position that unfilled corner structure 151 corresponds and second functional layer 12, clearance 16 is located the edge of keeping away from jar hole 102 one side of first inlet opening 101.
According to the utility model discloses cylinder head gasket 100, reinforcing plate 15 of gasket body 10 is equipped with unfilled corner structure 151 in the edge of the one side of first inlet opening 101 keeping away from cylinder hole 102, gasket body 10 forms clearance 16 in the edge of first inlet opening 101 keeping away from cylinder hole 102, thereby the deformation space of cylinder head is provided, make the cylinder head release because the heat altered shape that exhaust temperature is high simultaneously, thereby contact force between cylinder head and the cylinder head gasket 100 under the thermal state has been reduced, reduce between cylinder head and the gasket, produce between each layer of gasket and rub with the hands, improve the sealing performance and the life of cylinder head gasket.
In some embodiments of the present invention, as shown in fig. 3, the first functional layer 11 is of a flat plate type, the second functional layer 12 is of a bent type, and an accommodating space is formed between the first functional layer 11 and the second functional layer 12, so that the reinforcing plate 15 is disposed in the accommodating space, and the stability of the installation of the reinforcing plate 15 is ensured.
In some embodiments of the present invention, the taping structure 14 is formed around the edge of the head gasket 100 and/or the cylinder bore 102. The edge covering structure 14 can prevent high-temperature and high-pressure gas from leaking around the cylinder hole 102, meanwhile, the firmness of connection of the first functional layer 11 and the second functional layer 12 can be avoided, the peripheral opening of the cylinder head gasket 100 is prevented, and the cylinder head gasket 100 is kept flat and convenient to install.
In some embodiments of the present invention, the cylinder head gasket 100 further includes a sealing member 20, the sealing member 20 is connected to the gasket body 10, the sealing member 20 is disposed along an edge of the first water inlet hole 101, and the sealing member 20 is used for preventing cooling water from entering the gasket body 10, so as to ensure the sealing performance of the cylinder head gasket 100.
In some embodiments of the utility model, the cooling water gets into first inlet opening 101 and cools off the exhaust passage of cylinder head to reduce the exhaust temperature of cylinder head, reduce the heat altered shape of cylinder head, and then prevent that cylinder head and cylinder head gasket 100 from taking place to rub with the hands.
In some embodiments of the present invention, the sealing member 20 includes a connecting portion 21 and a sealing portion 22, the sealing portion 22 is connected to one end of the connecting portion 21, and the other end of the connecting portion 21 is connected to the protective layer 13 or the second functional layer 12 by spot welding, so as to ensure the firmness of the connection between the gasket body 10 and the sealing member 20. Specifically, the connecting portion 21, the protective layer 13, and the second functional layer 12 are all made of metal materials, the sealing portion 22 is made of rubber materials, and the thickness of the sealing portion 22 is larger than that of the gasket body 10, and during use, the sealing portion 22 is compressed and is equivalent to the thickness of the gasket body 10.
In some embodiments of the present invention, the middle portion of the gasket body 10 is provided with the cylinder hole 102, the gasket body 10 is further provided with the second water inlet hole 103, the sealing hole 106 and the drainage hole 104, the first water inlet hole 101 and the second water inlet hole 103 are both located on one side of the cylinder hole 102, and the sealing hole 106 and the drainage hole 104 are both located on the other side of the cylinder hole 102. The seal hole 106 is used to seal the coolant between the cylinder head and the cylinder block.
In some embodiments of the present invention, a push rod hole 105 is further disposed on the gasket body 10, the push rod hole 105 and the water drain hole 104 are disposed on the other side of the cylinder hole 102, and the push rod hole 105 is used for accommodating a push rod for transmitting power.
In some embodiments of the present invention, the gasket body 10 is further provided with a plurality of connection holes 107, the plurality of connection holes 107 are disposed between the first water inlet hole 101, the cylinder hole 102, the second water inlet hole 103, the water outlet hole 104, the push rod hole 105 and the sealing hole 106, and a connection member (e.g., a bolt) passes through the connection holes 107 to connect the cylinder head, the cylinder head gasket 100 and the engine body.
In some embodiments of the present invention, the sealing member 20 is provided in a plurality, and the plurality of sealing members 20 are connected to the gasket body 10 at positions corresponding to the second water inlet hole 103, the water outlet hole 104, the push rod hole 105, and the sealing hole 106, respectively. The sealing member 20 provided to wrap the edge of the first water inlet hole 101, the edge of the second water inlet hole 103, the edge of the sealing hole 106, and the edge of the drain hole 104 prevents cooling water from entering the cylinder head body 10, and the sealing member 20 provided to wrap the edge of the push rod hole 105 prevents oil flowing down from the push rod hole 105 from entering the gasket body 10, thereby improving the sealing performance of the gasket body 10.
In some embodiments of the present invention, the gasket body 10 is made of a metal material, and specifically, the first functional layer 11, the second functional layer 12, the protective layer 13, and the reinforcing plate 15 are all made of a stainless steel material.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a cylinder head gasket, its characterized in that, includes the gasket body be equipped with the cylinder hole on the gasket body, the gasket body includes:
a first functional layer;
a second functional layer, said first functional layer being compatible with said second functional layer;
the protective layer wraps one end of the first functional layer and one end of the second functional layer to form a bound structure, a first water inlet hole penetrating through the first functional layer, the second functional layer and the protective layer is formed in the gasket body, and the first water inlet hole is arranged corresponding to an exhaust passage of the cylinder cover;
the reinforcing plate is arranged between the first functional layer and the second functional layer, and a notch structure is formed on the reinforcing plate, so that a gap is formed between the position corresponding to the notch structure of the first functional layer and the second functional layer, and the gap is located at the edge of the first water inlet hole, which is far away from the side of the cylinder hole.
2. The cylinder head gasket of claim 1, wherein said first functional layer is flat and said second functional layer is folded, and an accommodation space is formed between said first functional layer and said second functional layer.
3. The cylinder head gasket of claim 1, wherein said bead structure is formed around the edge of the cylinder head gasket and/or the cylinder bore.
4. The cylinder head gasket of claim 1, further comprising a seal member attached to said gasket body at a location corresponding to said first inlet opening.
5. The cylinder head gasket according to claim 4, wherein the sealing member includes a connecting portion and a sealing portion, one end of the connecting portion is connected to the sealing portion, and the other end of the connecting portion is connected to the protective layer or the second functional layer.
6. The cylinder head gasket according to claim 5, wherein the connecting portion is made of a metal material, and the sealing portion is made of a rubber material.
7. The cylinder head gasket as recited in claim 4 wherein the gasket body defines a second inlet opening, a seal opening and a drain opening, the first and second inlet openings being disposed on one side of the bore, the drain opening and the seal opening being disposed on the other side of the bore.
8. A cylinder head gasket according to claim 7 wherein said gasket body is further provided with a pushrod bore, said pushrod bore being located on said other side of said cylinder bore.
9. The cylinder head gasket as set forth in claim 8 wherein said sealing member is plural, and said plural sealing members are connected to said gasket body at positions corresponding to said first water inlet hole, said second water inlet hole, said water discharge hole, said sealing hole, and said pushrod hole, respectively.
10. The cylinder head gasket according to any one of claims 1 to 9, wherein said gasket body is made of a metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022364440.9U CN214007355U (en) | 2020-10-22 | 2020-10-22 | Cylinder head gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022364440.9U CN214007355U (en) | 2020-10-22 | 2020-10-22 | Cylinder head gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214007355U true CN214007355U (en) | 2021-08-20 |
Family
ID=77300342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022364440.9U Active CN214007355U (en) | 2020-10-22 | 2020-10-22 | Cylinder head gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214007355U (en) |
-
2020
- 2020-10-22 CN CN202022364440.9U patent/CN214007355U/en active Active
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