CN217761152U

CN217761152U - Gasket protection device for cylinder head

Info

Publication number: CN217761152U
Application number: CN202221024510.9U
Authority: CN
Inventors: 王亚娟; 王茂亮; 杜威
Original assignee: Chengdu Teamful Gasket Technology Co ltd
Current assignee: Chengdu Teamful Gasket Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-11-08
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a gasket protection device for a cylinder cover, which comprises a gasket body, wherein the gasket body is also connected with a reinforcing plate; the gasket body is provided with a first oil hole and a first cylinder hole, and a sealing groove is arranged outside the edge of the first cylinder hole; the gasket body is connected to two sides of the reinforcing plate; the reinforcing plate comprises a first reinforcing plate and a second reinforcing plate; the first reinforcing plate is provided with a second oil hole and a second cylinder hole; the second reinforcing plate is provided with a third oil hole and a third cylinder hole; an upper cooling water tank is arranged on the first reinforcing plate and is arranged outside the second cylinder hole in a surrounding mode; and a lower cooling water tank is arranged on the second reinforcing plate, the lower cooling water tank is arranged outside the third cylinder hole in a surrounding manner, and the lower cooling water tank is matched with the upper cooling water tank to form a cooling water tank. Through the design, the gasket can be protected, the strength of the gasket is enhanced, and the gasket is prevented from being damaged by high temperature.

Description

Gasket protection device for cylinder head

Technical Field

The utility model belongs to the technical field of the cylinder head gasket, specifically be a gasket protection device for cylinder head.

Background

The engine is generally sealed by a cylinder gasket, which is an essential component of the engine, in order to prevent gas or oil from leaking. In the prior art, cylinder gaskets are usually thin sheets, and a plurality of gaskets are required to be combined for use when in use so as to ensure that a sealing effect can be achieved.

Because the cylinder gasket is a thin sheet, the gasket is easy to damage due to high temperature generated by the cylinder, and the thin sheet is also easy to wear in the using or mounting process to influence the using effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gasket protection device for cylinder head to propose in solving the background art because the cylinder gasket is the thin slice, this just causes the gasket to destroy because of the high temperature that the cylinder produced easily, and is the same, and the thin slice also appears wearing and tearing in the in-process of use or installation easily and leads to influencing the effect of using.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a gasket protection device for a cylinder cover comprises two gasket bodies, wherein a reinforcing plate is arranged between the two gasket bodies; the gasket body is provided with a first oil hole and a first cylinder hole which are matched with the cylinder cover, the edge of the first cylinder hole is externally provided with a sealing groove, and the sealing groove is used for mounting a metal sealing ring;

the reinforcing plate comprises a first reinforcing plate and a second reinforcing plate; the first reinforcing plate and the second reinforcing plate are overlapped up and down to form an integral reinforcing plate; the first reinforcing plate is provided with a second oil hole and a second cylinder hole which are matched with the cylinder cover; the second reinforcing plate is provided with a third oil hole and a third cylinder hole which are matched with the cylinder cover;

an upper cooling water tank is arranged on the first reinforcing plate and is arranged outside the second cylinder hole in a surrounding mode; a lower cooling water tank is arranged on the second reinforcing plate and is arranged outside the third cylinder hole in a surrounding manner; the lower cooling water tank is matched with the upper cooling water tank to form a cooling water tank; the whole reinforcing plate is provided with a guide groove, the cooling water tank is communicated with the guide groove to form a cooling channel, and the cooling channel is used for passing through cooling water.

Furthermore, a covered edge is arranged outside the first oil hole.

Further, the protective coating comprises a wear-resistant layer and a waterproof layer. The waterproof layer sets up on the gasket body, and the wearing layer sets up on the waterproof layer.

Further, the waterproof layer is specifically a polyurethane waterproof coating.

Further, the wear-resistant layer is specifically a molybdenum disulfide wear-resistant coating.

Further, the reinforcing ribs are arranged inside the reinforcing plate.

Further, the reinforcing ribs are arranged in a continuous U shape or V shape.

Further, a convex plate is arranged outside the first cylinder hole.

Furthermore, one side of the gasket body is provided with a connecting and fixing part, and the connecting and fixing part is used for fixing the position of the gasket body.

Compared with the prior art, the utility model discloses following beneficial effect has:

the gasket body is provided with a first cylinder hole matched with the cylinder cover, a sealing groove is arranged outside the edge of the first cylinder hole, and a metal sealing ring is arranged in the sealing groove; the metal sealing ring can effectively guarantee the sealing performance of the gasket, has high temperature resistance, and prevents the gasket body from being damaged by high temperature when being used for a long time.

Still be provided with the reinforcing plate on the gasket, the reinforcing plate is used for strengthening the intensity of gasket, has still increased the thickness of totality when using the intensity of reinforcing plate reinforcing gasket body, can effectual assurance gasket can with cylinder and the effectual contact of cylinder head homoenergetic, guaranteed sealed effect.

Set up cooling channel in the inside of reinforcing plate, because cooling channel comprises last cooling trough and lower cooling trough for when passing through the cooling water in the cooling channel, the position in second cylinder hole and third cylinder hole will receive the cooling, further transmits first cylinder hole department, thereby accomplishes the cooling, prevents effectively that the gasket body from being in the environment of high temperature for a long time and destroying.

Because the cooling channel needs to encircle the position department of arranging in second cylinder hole and third cylinder hole, the mode of adopting to punch is difficult to process, so divided into two parts with the reinforcing plate, only need respectively at the processing that the cooling channel can be accomplished in the surperficial grooving of first reinforcing plate and second reinforcing plate, very convenient.

Drawings

FIG. 1 is a schematic view of the gasket body structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic diagram of a first stiffener structure according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic diagram of a second stiffener structure according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

FIG. 7 is a schematic sectional view of the whole structure of the present invention;

fig. 8 is a schematic view of a partial structure of a first reinforcing plate according to the present invention;

fig. 9 is a schematic view of a partial structure of a second reinforcing plate according to the present invention;

fig. 10 is a schematic partial sectional view of the gasket body of the present invention.

The labels in the figure are: 1-a gasket body, 101-a first cylinder hole, 102-a sealing groove, 103-a connecting and fixing part, 104-a bolt hole, 105-a convex plate, 106-an oil hole, 107-a covered edge, 2-a first reinforcing plate, 201-a second oil hole, 202-a second cylinder hole, 203-an upper cooling water tank, 3-a second reinforcing plate, 301-a third oil hole, 302-a third cylinder hole, 303-a lower cooling water tank, 4-a reinforcing rib, 5-a waterproof layer and 6-a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

A gasket protection device for a cylinder head, as shown in FIG. 7, comprises two gasket bodies 1, and a reinforcing plate is arranged between the two gasket bodies 1; the gasket body 1 is provided with a first oil hole 106 and a first cylinder hole 101 which are matched with a cylinder head, a sealing groove 102 is arranged outside the edge of the first cylinder hole 101, and the sealing groove 102 is used for installing a metal sealing ring; the gasket body 1 is pressed between the cylinder head and the cylinder after installation. In order to improve the sealing at the first cylinder hole 101 and prevent gas leakage at this point, a ring of seal groove 102 is provided outside the edge of one cylinder hole, and a metal seal ring is provided in the seal groove 102. The metal sealing ring can effectively guarantee the sealing performance of the metal sealing ring, has high temperature resistance, and prevents the gasket body 1 from being damaged by high temperature when being used for a long time.

As shown in fig. 1 to 7, the reinforcing plate includes a first reinforcing plate 2 and a second reinforcing plate 3; the first reinforcing plate 2 and the second reinforcing plate 3 are overlapped up and down to form an integral reinforcing plate; the first reinforcing plate 2 is provided with a second oil hole 201 and a second cylinder hole 202 which are matched with the cylinder cover; the second reinforcing plate 3 is provided with a third oil hole and a third cylinder hole 302 which are matched with the cylinder cover;

as shown in fig. 1 to 7, the first reinforcing plate 2 is provided with an upper cooling water tank 203, and the upper cooling water tank 203 is arranged around the second cylinder bore 202; a lower cooling water tank 303 is arranged on the second reinforcing plate 3, and the lower cooling water tank 303 is arranged outside the third cylinder hole 302 in a surrounding manner; the lower cooling water tank 303 and the upper cooling water tank 203 are matched to form a cooling water tank; the whole reinforcing plate is provided with a guide groove, the cooling water tank is communicated with the guide groove to form a cooling channel, and the cooling channel is used for passing through cooling water.

The reinforcing plate is sandwiched between the gasket bodies 1 when in use, for preventing the deformation of the thinner gasket bodies 1 after being pressed. When the gasket is used, the first cylinder hole 101 is in direct contact with the cylinder opening and is in a high-temperature state for a long time. Since the gasket is easily damaged when it is exposed to a high-temperature environment for a long time, a cooling passage is provided inside the reinforcing plate. Because the cooling channel is composed of the upper cooling water tank 203 and the lower cooling water tank 303, when cooling water passes through the cooling channel, the positions of the second cylinder hole 202 and the third cylinder hole 302 are cooled, and the first cylinder hole 101 is further cooled, so that the gasket body 1 is effectively prevented from being damaged by a high-temperature environment for a long time. The stiffening plate is designed in two parts to facilitate the machining of the cooling channels. Because the cooling channel needs to be arranged at the positions of the second cylinder hole 202 and the third cylinder hole 302 in a surrounding manner, and the drilling mode is difficult to process, the reinforcing plate is divided into two parts, and the processing of the cooling channel can be completed only by grooving the surfaces of the first reinforcing plate 2 and the second reinforcing plate 3 respectively, so that the method is very convenient. The material of the reinforcing plate can be made of hard alloy so as to ensure enough strength.

In a preferred embodiment, as shown in fig. 2, a covered edge 107 is provided outside the first oil hole 106, and a metal ring is provided inside the covered edge 107, and the metal ring and the covered edge are used for sealing the edge of the first oil hole 106 to prevent leakage.

In a preferred embodiment, as shown in fig. 10, the protective coating comprises a wear layer 6, a water barrier layer 5. Waterproof layer 5 sets up on gasket body 1, and wearing layer 6 sets up on waterproof layer 5. The waterproof layer 5 is used for preventing water or oil from directly contacting the surface of the gasket body 1 to cause the gasket body 1 to be corroded and rusted. The wear layer 6 is intended to protect the gasket from wear during installation and use, and the wear layer 6 is also intended to protect the inner water barrier 5.

In a preferred embodiment, the water-repellent layer 5 is embodied as a polyurethane water-repellent coating. Polyurethane has certain ductility and elasticity, can guarantee that gasket and cylinder or cylinder head laminating are inseparabler, can effectual promotion leakproofness.

In a preferred embodiment the wear resistant layer 6 is in particular a molybdenum disulphide wear resistant coating. The molybdenum disulfide wear-resistant coating has good wear resistance, bearing and lubricating properties in a high-temperature high-load environment, and can avoid abrasion and sintering of the gasket.

In a preferred embodiment, as shown in fig. 8 to 9, the reinforcing plate is internally provided with reinforcing ribs 4, and the reinforcing ribs 4 are used for reinforcing the strength of the reinforcing plate, so that the performance of the reinforcing plate is not affected when the reinforcing plate is tightly pressed on a cylinder by a cylinder cover.

In a preferred embodiment, as shown in fig. 8 to 9, the reinforcing ribs 4 are arranged in a continuous U shape or V shape, and this design can evenly distribute the force applied to the gasket to various places of the reinforcing plate, so as to ensure the strength of the reinforcing plate, and also make the gasket connected with the reinforcing plate evenly applied, and prevent the gasket from warping.

In a preferred embodiment, as shown in fig. 1, a convex plate 105 is arranged outside the first cylinder hole 101, the convex plate 105 protrudes upwards, and the convex plate 105 enables the edge of the first cylinder hole 101 to contact with the cylinder or the cylinder cover first when the gasket body 1 contacts with the cylinder or the cylinder cover, so that the sealing performance at the cylinder hole is ensured.

In a preferred embodiment, as shown in fig. 1, one side of the gasket body 1 is provided with a connection fixing portion 103, and the connection fixing portion 103 is used for fixing the position of the gasket body 1. The connection fixing portion 103 is provided with a plurality of bolt holes 104, and the gasket is fixed between the cylinder and the cylinder head by bolts.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gasket protection arrangement for a cylinder head, comprising: the gasket comprises two gasket bodies (1), wherein a reinforcing plate is arranged between the two gasket bodies (1); the gasket body (1) is provided with a first oil hole (106) and a first cylinder hole (101) which are matched with a cylinder head, a sealing groove (102) is arranged outside the edge of the first cylinder hole (101), and the sealing groove (102) is used for mounting a metal sealing ring;

the reinforcing plate comprises a first reinforcing plate (2) and a second reinforcing plate (3); the first reinforcing plate (2) and the second reinforcing plate (3) are overlapped up and down to form an integral reinforcing plate; the first reinforcing plate (2) is provided with a second oil hole (201) and a second cylinder hole (202) which are matched with a cylinder cover; a third oil hole and a third cylinder hole (302) which are matched with the cylinder cover are arranged on the second reinforcing plate (3);

an upper cooling water tank (203) is arranged on the first reinforcing plate (2), and the upper cooling water tank (203) is arranged outside the second cylinder hole (202) in a surrounding mode; a lower cooling water tank (303) is arranged on the second reinforcing plate (3), and the lower cooling water tank (303) is arranged outside the third cylinder hole (302) in a surrounding mode; the lower cooling water tank (303) is matched with the upper cooling water tank (203) to form a cooling water tank; the whole reinforcing plate is provided with a guide groove, the cooling water tank is communicated with the guide groove to form a cooling channel, and the cooling channel is used for passing through cooling water.

2. A gasket protection arrangement for a cylinder head according to claim 1, wherein: and a wrapping edge (107) is arranged outside the first oil hole (106) of the gasket.

3. A gasket protection arrangement for a cylinder head according to claim 1, wherein: the gasket body (1) is also coated with a protective coating; the protective coating comprises a wear-resistant layer (6) and a waterproof layer (5); the waterproof layer (5) is arranged on the gasket body (1), and the wear-resistant layer (6) is arranged on the waterproof layer (5).

4. A gasket protection arrangement for a cylinder head according to claim 3, wherein: the waterproof layer (5) is specifically a polyurethane waterproof coating.

5. A gasket protection arrangement for a cylinder head according to claim 3, wherein: the wear-resistant layer (6) is a molybdenum disulfide wear-resistant coating.

6. A gasket protection arrangement for a cylinder head according to claim 1, wherein: the reinforcing plate is internally provided with a reinforcing rib (4).

7. A gasket protection arrangement for a cylinder head according to claim 6, wherein: the reinforcing ribs (4) are arranged in a continuous U shape or V shape.

8. A gasket protection arrangement for a cylinder head according to claim 1, wherein: a convex plate (105) is arranged outside the first cylinder hole (101).

9. A gasket protection arrangement for a cylinder head according to claim 1, wherein: one side of the gasket body (1) is provided with a connecting and fixing part (103), and the connecting and fixing part (103) is used for fixing the position of the gasket body (1).