CN215635596U - Gasket and engine - Google Patents
Gasket and engine Download PDFInfo
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- CN215635596U CN215635596U CN202121566260.7U CN202121566260U CN215635596U CN 215635596 U CN215635596 U CN 215635596U CN 202121566260 U CN202121566260 U CN 202121566260U CN 215635596 U CN215635596 U CN 215635596U
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Abstract
The utility model provides a gasket and an engine, the gasket is used for sealing a water path part, an oil path part and an air path part of the engine, and comprises: the gasket comprises a gasket body, wherein at least two first mounting holes are formed in the gasket body, flanges are arranged at the edges of the first mounting holes, and the flanges of the at least two first mounting holes are positioned on the same side of the gasket body; the flanging is used for being inserted into a second mounting hole matched with the first mounting hole on the engine and is abutted against the inner wall of the smooth section of the second mounting hole. The flanging arranged on the gasket provided by the utility model has a good positioning effect, and the gasket cannot fall off during assembly.
Description
Technical Field
The utility model relates to the technical field of engine manufacturing, in particular to a gasket and an engine.
Background
The performance of the engine is greatly influenced by the three-leakage (water leakage, oil leakage and air leakage) problem of the vehicle engine, and a gasket is required to be additionally arranged on the engine for sealing and leakage prevention in order to avoid the three-leakage fault.
The gasket is used as a sealing component on the engine, is usually installed at the connecting position of the vehicle engine and an air pipeline, an oil pipeline or a water pipeline, and is used for filling up microscopic gaps at the connecting position, ensuring that the connecting position has good sealing performance, and preventing the vehicle engine from generating gaps at the connecting position after being subjected to high temperature, high pressure, corrosion or natural expansion and contraction, so as to generate air leakage, oil leakage or water leakage faults. In addition, in order to improve the assembly performance of the gasket at the connecting position, a plurality of assembly holes are formed in the periphery of the gasket, and then bolts are used for penetrating through the assembly holes to fix the gasket on the mounting surface corresponding to the gasket at the connecting position.
However, the gasket in the prior art is easy to fall off when being assembled on the installation surface.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gasket and an engine, which aim to solve the problem that the gasket is easy to fall off when being assembled on an installation surface in the prior art.
The utility model provides a gasket for sealing a waterway part, an oil passage part and an air passage part of an engine, which comprises:
the gasket comprises a gasket body, wherein at least two first mounting holes are formed in the gasket body, flanges are arranged at the edges of the first mounting holes, and the flanges of the at least two first mounting holes are positioned on the same side of the gasket body;
the flanging is used for being inserted into a second mounting hole matched with the first mounting hole on the engine and is abutted against the inner wall of the smooth section of the second mounting hole.
In one possible implementation, the flange is disposed around the circumference of the first mounting hole.
In one possible implementation, the flange is perpendicular to the gasket body.
In a possible implementation manner, the length of the flanging is 1.5-2 times of the thread pitch of the thread section in the second mounting hole.
In one possible implementation, the gasket body has through holes, and the first mounting holes are spaced around the through holes.
In one possible implementation, the gasket body has an annular groove for mounting the sealing element, and the through hole is located in the area surrounded by the annular groove.
The utility model also provides an engine which comprises an engine body and the gasket, wherein the engine body is provided with at least two second mounting holes, and the second mounting holes are arranged in one-to-one correspondence with the first mounting holes;
the second mounting hole comprises a smooth section, and the flanging is inserted into the smooth section and is abutted to the inner wall of the smooth section.
In one possible implementation, the second mounting hole further includes a threaded section coaxially connected to the smooth section, and the smooth section is located between the gasket body and the threaded section.
In one possible implementation, the smooth section has an inner diameter greater than the inner diameter of the threaded section.
In one possible implementation, the axial length of the smooth section is equal to the length of the flange.
The utility model provides a gasket and an engine. At least two first mounting holes are formed in the gasket body, flanges are arranged on the edges of the first mounting holes, and the flanges are located on the same side of the gasket body; the turn-ups is used for inserting establish on the engine with first mounting hole complex second mounting hole in, and with the inner wall butt of the smooth section of second mounting hole, fixed action when realizing gasket body and engine assembly, the problem that the gasket drops easily when the assembly on the installation face among the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art supercharger gasket;
FIG. 2 is a schematic view of the connection of a supercharger gasket to a flange;
FIG. 3 is a schematic structural view of a gasket according to the present invention;
FIG. 4 is a schematic view of another embodiment of a gasket according to the present invention;
FIG. 5 is a schematic view of a first mounting hole on a gasket according to the present invention;
FIG. 6 is a schematic view of the assembly of the gasket and engine provided by the present invention;
fig. 7 is a schematic structural view of a second mounting hole in the engine according to the present invention.
Description of reference numerals:
10-a supercharger gasket; 11-a light hole;
20-a first flange;
30-bolts;
40-a pipeline;
100-a gasket body;
110-a first mounting hole; 120-flanging; 130-a through hole; 140-an annular groove;
200-an engine block;
210-a second flange; 211-a second mounting hole; 212-smooth section; 213-thread segment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through intervening media, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and "third" (if any) in the description and claims of the utility model and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or maintenance tool that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or maintenance tool.
The performance of the engine is greatly influenced by the three-leakage (water leakage, oil leakage and air leakage) problem of the vehicle engine, and a gasket is required to be additionally arranged on the engine for sealing and leakage prevention in order to avoid the three-leakage fault.
The gasket is used as a sealing component on an engine and is usually mounted on a mounting surface at a connecting position of an air pipeline, an oil pipeline or a water pipeline of the vehicle engine, the mounting surface can be a surface which is attached to the surface of the gasket on a flange, and the flange is also called a flange disc or a flange and is used for connecting the end parts of the two pipelines. The flange joint mainly refers to a detachable sealing structure formed by mutually connecting a flange, a gasket and a bolt. The gasket is used as a sealing component in flange connection and is mainly used for filling up microscopic gaps between two flanges, so that the connection position of the two flanges has good sealing performance, and the occurrence of the gaps at the connection position after a vehicle engine is subjected to high temperature, high pressure, corrosion or natural expansion and contraction is prevented, and further the faults of air leakage, oil leakage or water leakage are generated.
The flange joint is commonly used on a vehicle engine, and a flange joint for gas circulation is commonly arranged between an air inlet channel or an exhaust channel of the engine and an external air channel pipeline, a flange joint for fuel oil or lubricating oil circulation is arranged between an oil tank of the engine and an oil channel pipeline, and a flange joint for cooling liquid circulation is arranged between an engine water tank and a cooling liquid channel.
Examples
FIG. 1 is a schematic diagram of a prior art supercharger gasket; FIG. 2 is a schematic view of the connection of a supercharger gasket to a flange. As shown in fig. 1 and 2, a supercharger gasket 10 disposed between a supercharger (a device for compressing air and supplying the compressed air into an engine cylinder, which is effective in improving air quality and increasing the amount of intake air of the engine) on the engine and an intake passage of the engine is described as an example. The first flange 20 of the air inlet channel of the vehicle engine is tightly connected with the first flange 20 of the air supply channel of the supercharger through bolts 30, a supercharger gasket 10 for sealing is arranged between the two first flanges 20, and the supercharger gasket 10 is of a light hole structure, namely, a light hole 11 for passing through the bolt 30 is arranged on the supercharger gasket 10. Generally, the aperture of the light hole 11 on the supercharger gasket 10 is 1mm larger than the diameter of the bolt 30, so that the supercharger gasket 10 has good assembly performance, and particularly has unique advantages in the case of horizontal assembly, bottom-up assembly and the like.
However, the aperture of the light hole 11 of the supercharger gasket 10 is larger than the diameter of the bolt 30, so that the supercharger gasket 10 is easy to slide when the bolt 30 is tightened, the alignment is poor, and particularly when the supercharger gasket 10 is installed between two first flanges 20 which are inclined relatively, the supercharger gasket 10 is easy to fall off from between the two first flanges 20, and the supercharger gasket 10 is easy to be neglected to be installed.
Based on the gasket and the engine, the gasket has a good positioning effect, and can not fall off after being assembled on the engine. The problem of among the prior art gasket drop easily when with flange assembly is solved.
FIG. 3 is a schematic structural view of a gasket according to the present invention; FIG. 4 is a schematic view of another embodiment of a gasket according to the present invention; FIG. 5 is a schematic view of a first mounting hole on a gasket according to the present invention; FIG. 6 is a schematic view of the assembly of the gasket and engine provided by the present invention; fig. 7 is a schematic structural view of a second mounting hole in the engine according to the present invention.
As shown in fig. 3 to 7, the gasket according to the present invention for sealing a waterway portion, an oil passage portion and an air passage portion of an engine includes:
the gasket comprises a gasket body 100, wherein at least two first mounting holes 110 are formed in the gasket body 100, flanges 120 are arranged at the edges of the first mounting holes 110, and the flanges 120 of the at least two first mounting holes 110 are positioned on the same side of the gasket body 100;
the flange 120 is used for being inserted into a second mounting hole 211 matched with the first mounting hole 110 on the engine, and is abutted against the inner wall of the smooth section 212 of the second mounting hole 211.
The gasket body 100, as a sealing component, generally needs to be mounted on a mounting surface (not shown in the drawings, and mainly includes a gas path pipeline, an oil path pipeline and a water path pipeline) at a connection position of a vehicle engine body 200 and the pipeline (not shown in the drawings, and the mounting surface may be a surface which is fixedly connected to flanges on the gas path pipeline, the oil path pipeline and the water path pipeline of the engine and is attached to the surface of the gasket body 100), so as to fill up microscopic gaps at the connection position, improve the sealing performance at the connection position, and avoid the occurrence of three-leakage (gas leakage, oil leakage, water leakage) faults under the influence of high temperature, high pressure and the like of the vehicle engine, thereby affecting the performance of the vehicle engine.
In this embodiment, mainly taking an example of fitting and assembling the mounting surface of the second flange 210 on the engine body 200 and one surface of the gasket body 100, a third flange (not shown) is correspondingly provided on a pipe connected to the engine body 200, and a mounting surface fitted to the other surface of the gasket body 100 is correspondingly provided on the third flange.
In order to enable the gasket body 100 to be fixedly mounted on the mounting surface of the second flange 210, a flange joint is formed by arranging the first mounting holes 110 on the periphery of the gasket body 100 and then sequentially penetrating the mounting holes on the two flanges and the first mounting holes 110 on the gasket body 100 by fastening bolts (not shown). At this time, both side surfaces of the gasket body 100 are respectively abutted with the mounting surfaces of the second flange 210 and the third flange to improve the sealing performance at the connection position.
Specifically, at least two first mounting holes 110 are formed in the gasket body 100, and fastening bolts sequentially pass through the mounting holes of the second flange 210, the first mounting holes 110 of the gasket body 100 and the mounting holes of the third flange to fix the gasket body 100 on the mounting surface. The number of the first mounting holes 110 may be two, three, four or more, and the specific number thereof is not specifically limited in this embodiment, however, it should be noted that the optimal positions for disposing the first mounting holes 110 are the periphery of the gasket body 100, and the number and the positions of the first mounting holes 110 correspond to the number and the positions of the mounting holes on the mounting surface of the second flange 210 one by one. This can effectively improve the sealing performance at the connection position.
The edge of the first mounting hole 110 is provided with a flange 120, the flange 120 is a structure that the gasket body 100 is turned up to one side surface of the gasket body 100 along the edge of the first mounting hole 110 to form a vertical straight wall or a flange, and the flange 120 is manufactured by a stamping process. The flanges 120 may be vertical walls spaced apart from each other at the edge of the first mounting hole 110, or may be flange structures continuously disposed at the edge of the first mounting hole 110. The shape of the side of the flange 120 may be rectangular or trapezoidal, and in addition, the flange 120 may be disposed in one-to-one correspondence with the first mounting holes 110 on the gasket body 100, that is, one flange 120 is disposed at the edge of each first mounting hole 110, or may be disposed only at the edges of two first mounting holes 110. The flanges 120 may be located on the same side surface of the gasket body 100 or may be distributed on different side surfaces of the gasket body 100.
In the present embodiment, the flanges 120 are disposed on the same side surface of the gasket body 100 opposite to the mounting surface of the second flange 210 on the engine body 200, and are mainly used for being inserted into the second mounting holes 211 on the mounting surface, which are matched with the first mounting holes 110, the second mounting holes 211 are disposed on the second flange 210, and are disposed in one-to-one correspondence with the first mounting holes 110 on the gasket body 100, and are used for passing fastening bolts to fix the gasket body 100 and the third flange on the mounting surface of the second flange 210. The turn-ups 120 inserts and establishes the inside back of second mounting hole 211 and the inside inner wall butt of the inside smooth section 212 of second mounting hole 211, at this moment, turn-ups 120 is similar to a sleeve, smooth section 212 etc. are similar to with sleeve complex hole, form hole axle complex mode through the inside wall looks butt cooperation with telescopic lateral wall and hole, have higher positioning accuracy when making the mounting surface assembly on gasket body 100 and the second flange 210, better assembly performance, the phenomenon of neglected loading, reverse loading appears after preventing that gasket body 100 from droing from engine body 200.
In another embodiment, the flanges 120 may be respectively disposed on two opposite side surfaces of the gasket body 100, and may be respectively abutted and matched with the mounting surfaces of the second flange 210 and the third flange, and the specific matching manner is described in detail in the above embodiments, and is not described herein again. The gasket body 100 has the main functions of improving the positioning accuracy and the assembling performance of the gasket body 100 during assembling on the installation surface and preventing the phenomena of missing assembling and reverse assembling after the gasket body 100 falls off from the engine body 200.
With continued reference to fig. 3 and 5, the flange 120 is disposed around the periphery of the first mounting hole 110. The flange 120 is perpendicular to the gasket body 100.
In order to facilitate the assembly of the flange 120 in the second mounting hole 211 of the mounting surface of the second flange 210, the flange 120 is vertically arranged at the edge of the first mounting hole 110 and continuously surrounds the periphery of the first mounting hole 110, and as fastening bolts need to be penetrated and connected in the second mounting hole 211 for fixing, and the axis of the second mounting hole 211 is parallel to the axis of the second flange 210, that is, the second mounting hole 211 is vertically arranged with the gasket body 100, the flange 120 is vertically arranged at the edge of the first mounting hole 110, so that the outer side wall of the flange 120 can be ensured to be parallel to the inner side wall of the second mounting hole 211, and the arrangement facilitates the insertion and positioning of the flange 120 in the second mounting hole 211, and improves the positioning accuracy of the gasket body 100.
With continued reference to fig. 5-7, the length of the flange 120 is 1.5-2 times the thread pitch of the thread section 213 in the second mounting hole 211.
In some embodiments, in order to prevent the gasket body 100 from falling into the thread of the fastening bolt, the length of the flange 120 is 1.5 to 2 times the thread pitch of the threaded section 213 in the second mounting hole 211. Since the flange 120 is provided at the edge peripheral side position of the first mounting hole 110, and the fastening bolt for fixing the gasket body 100 to the mounting surface of the engine body 200 is penetrated through the first mounting hole 110, the diameter of the first mounting hole 110 is larger than the diameter of the fastening bolt. When the fastening bolt is screwed, the gasket body 100 moves under the action of friction force, and at the moment, the flange 120 can prevent the gasket body 100 from falling into the thread of the fastening bolt, so that the gasket body 100 is prevented from being damaged. It should be noted that, because the external thread of the fastening bolt is in threaded connection with the internal thread at the threaded section 213, setting the length of the flange 120 to be 1.5 to 2 times of the thread pitch of the threaded section 213 is equivalent to setting the length of the flange 120 to be 1.5 to 2 times of the thread pitch of the fastening bolt.
With continued reference to fig. 3 and 4, the gasket body 100 has a through hole 130, and the first mounting holes 110 are spaced around the through hole 130.
In one possible implementation, since the gasket body 100 is fixed on the mounting surface of the second flange 210 of the engine body 200 for sealing the flowing fluid (gas, liquid) at the connection position of the engine body 200 and the pipeline, the gasket body 100 is provided with a through hole 130 for fluid flowing, the shape and size of the through hole 130 match with the fluid inlet/outlet (not shown) at the middle position on the second flange 210 of the engine body 200, and the first mounting holes 110 are arranged around the periphery of the through hole 130 at intervals.
With continued reference to fig. 4, the gasket body 100 has an annular groove 140 for receiving a sealing element (not shown), and the through hole 130 is located in an area surrounded by the annular groove 140.
In some embodiments, in order to improve the sealing performance after the gasket body 100 abuts against the mounting surface of the second flange 210 on the engine body 200 or the mounting surface of the third flange on the pipe, the annular groove 140 for mounting the sealing member is provided on the gasket body 100, because the two side surfaces of the gasket body 100 abut against the mounting surfaces of the second flange 210 and the third flange, respectively, there may be some fine gaps between the two side surfaces of the gasket body 100 and the mounting surfaces, and when the engine body 200 is in a high temperature, high pressure, or other environment, fluid may flow out of the fine gaps, thereby causing a triple leakage fault of the engine. The annular groove 140 is formed in the side face of the gasket body 100, and a sealing element matched with the annular groove 140 is installed in the annular groove 140 for sealing, so that the sealing performance between the gasket body 100 and the mounting face can be effectively improved, and the engine is prevented from having a three-leakage fault. The annular groove 140 is provided around the circumferential side of the through-hole 130, and the distance between the annular groove 140 and the edge of the through-hole 130 is not limited, but the annular groove 140 is interposed between the through-hole 130 and the first mounting hole 110 that surrounds the circumferential side of the through-hole 130.
The material of the sealing member is also not limited, for example: packing paper, rubber, silicone rubber, metal, cork, felt, neoprene, nitrile rubber, fiberglass, or plastic polymer (polytetrafluoroethylene).
Referring to fig. 6 and fig. 7, the present invention further provides an engine, including an engine body 200 and the gasket body 100, where the gasket body 100 is described in detail in the above embodiments, and is not described herein again, the engine body 200 has at least two second mounting holes 211, and the second mounting holes 211 and the first mounting holes 110 are arranged in a one-to-one correspondence;
the second mounting hole 211 includes a smooth section 212, and the flange 120 is inserted into the smooth section 212 and abuts against an inner wall of the smooth section 212.
In this embodiment, the engine includes an engine body 200, and an upper gasket body 100 and a duct fixedly connected to the engine body 200, wherein the duct is described in detail in the above embodiments, and is not described in detail herein. In order to fixedly mount the gasket body 100 on the engine body 200, the engine body 200 is provided with a second flange 210, at least two second mounting holes 211 are formed in a mounting surface of the second flange 210, the second mounting holes 211 are arranged in one-to-one correspondence to the first mounting holes 110, the flanges 120 of the gasket body 100 are inserted into the second mounting holes 211, so that the gasket body 100 is mounted on the mounting surface of the second flange 210, and fastening bolts sequentially penetrate through the second flange 210 on the engine body 200, the first mounting holes 110 on the gasket body 100 and a pipeline to be connected, so that the engine body 200 and the pipeline are connected with each other.
The smooth section 212 is arranged in the second mounting hole 211, and the flange 120 is inserted into the second mounting hole 211 and then abuts against the smooth section 212.
With continued reference to fig. 7, the second mounting hole 211 further includes a threaded section 213 coaxially coupled to the smooth section 212, the smooth section 212 being located between the shim body 100 and the threaded section 213.
In order to screw the fastening bolt inside the second mounting hole 211, a threaded section 213 is further disposed inside the second mounting hole 211, the threaded section 213 is an internal thread disposed inside the second mounting hole 211, the threaded section 213 is coaxially connected to the smooth section 212, and the smooth section 212 is located between the gasket body 100 and the threaded section 213. The smooth section 212 is a counter bore formed by one-step machining with a forming tool at the opening position of the second mounting hole 211 on the second flange 210, and extra time and cost cannot be increased due to the arrangement of the counter bore. The threaded section 213 is an internal thread provided at the bottom of the second mounting hole 211 for screwing a fastening bolt.
The turn-ups 120 inserts and establishes the inside back of second mounting hole 211 and the inside inner wall butt of the inside smooth section 212 of second mounting hole 211, at this moment, turn-ups 120 is similar to a sleeve, smooth section 212 etc. are similar to with sleeve complex hole, form hole axle complex mode through the inside wall looks butt cooperation with telescopic lateral wall and hole, have higher positioning accuracy when making the mounting surface assembly on gasket body 100 and the second flange 210, better assembly performance, the phenomenon of neglected loading, reverse loading appears after preventing that gasket body 100 from droing from engine body 200.
With continued reference to fig. 6 and 7, the inner diameter of the smooth section 212 is greater than the inner diameter of the threaded section 213, and the axial length of the smooth section 212 is equal to the length of the flange 120.
The smooth section 212 is used for installing the flange 120 of the gasket body 100, so that the inner diameter of the smooth section 212 is larger than that of the threaded section 213, and the length of the smooth section 212 in the circumferential direction is equal to that of the flange 120 or larger than that of the flange 120, so that the flange 120 can be ensured to be installed inside the smooth section 212 and abut against the smooth section 212.
In particular, in the present embodiment, only the gasket body 100 is mounted on the mounting surface of the second flange 210 of the engine body 200 as an example, and the gasket body 100 is also applicable to mounting surfaces at other connecting positions on the engine body 200, and the mounting surface is not limited to the mounting surface on the flange.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A gasket for sealing a waterway portion, an oil passage portion and an air passage portion of an engine, comprising:
the gasket comprises a gasket body, wherein at least two first mounting holes are formed in the gasket body, flanges are arranged at the edges of the first mounting holes, and the flanges of the at least two first mounting holes are positioned on the same side of the gasket body;
the flanging is used for being inserted into a second mounting hole matched with the first mounting hole on the engine and is abutted against the inner wall of the smooth section of the second mounting hole.
2. The gasket of claim 1 wherein said flange is disposed circumferentially about said first mounting hole.
3. The gasket of claim 1 wherein said bead is perpendicular to said gasket body.
4. The gasket according to claim 1, wherein the length of the flange is 1.5 to 2 times of the thread pitch of the thread section in the second mounting hole.
5. The gasket of any of claims 1-4 wherein the gasket body has through holes therein, the first mounting holes being spaced around the through holes.
6. The gasket of claim 5 wherein said gasket body has an annular groove therein for receiving a seal, said through hole being located in the area bounded by said annular groove.
7. An engine, characterized by comprising an engine body and a gasket as recited in any one of claims 1 to 6, wherein the engine body is provided with at least two second mounting holes, and the second mounting holes are arranged in one-to-one correspondence with the first mounting holes;
the second mounting hole comprises a smooth section, and the flanging is inserted into the smooth section and is abutted to the inner wall of the smooth section.
8. The engine of claim 7, wherein the second mounting hole further comprises a threaded section coaxially coupled to the smooth section, the smooth section being located between the shim body and the threaded section.
9. The engine of claim 8, wherein the smooth section has an inner diameter greater than an inner diameter of the threaded section.
10. The engine of claim 8, characterized in that the smooth section has an axial length equal to the length of the cuff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566260.7U CN215635596U (en) | 2021-07-08 | 2021-07-08 | Gasket and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566260.7U CN215635596U (en) | 2021-07-08 | 2021-07-08 | Gasket and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215635596U true CN215635596U (en) | 2022-01-25 |
Family
ID=79889321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121566260.7U Active CN215635596U (en) | 2021-07-08 | 2021-07-08 | Gasket and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215635596U (en) |
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2021
- 2021-07-08 CN CN202121566260.7U patent/CN215635596U/en active Active
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