CN213808387U

CN213808387U - Cylinder cover bolt mounting structure

Info

Publication number: CN213808387U
Application number: CN202022844885.7U
Authority: CN
Inventors: 董吉强; 董天煜
Original assignee: Changzhou Dunjia Precision Machinery Co ltd
Current assignee: Changzhou Dunjia Precision Machinery Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-27
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a cylinder head bolt mounting structure, including the bolt body, bolt body screw thread is pegged graft in the internal surface of cylinder head body, and is provided with the gasket between bolt body and the cylinder head body, and the bolt body includes the stratum basale, and the surface of stratum basale has first high strength layer through metal bonding agent bonding, and first high strength layer is including cast iron layer and nickel alloy layer. The utility model discloses it has first high strength layer to bond through the metal bonding agent at the surface of stratum basale, cast iron layer and nickel alloy layer that first high strength layer includes all have very high intensity, it has second high strength layer to bond through the metal bonding agent at the surface on first high strength layer, copper alloy layer and aluminum alloy layer that second high strength layer includes all have very high intensity, make the bolt body reach the purpose of high strength, the purpose that current cylinder head bolt mounting structure does not possess high strength has been solved, lead to its easy problem of breaking the damage.

Description

Cylinder cover bolt mounting structure

Technical Field

The utility model relates to an automobile parts technical field specifically is a cylinder head bolt mounting structure.

Background

In order to reduce cost and occupy the market, many automobile parts develop internationally from international companies, and a cylinder head bolt mounting structure is involved, but the existing cylinder head bolt mounting structure does not have the purpose of high strength, so that the cylinder head bolt mounting structure is easy to break and damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder head bolt mounting structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cylinder head bolt mounting structure, includes the bolt body, bolt body screw thread is pegged graft in the internal surface of cylinder head body, and is provided with the gasket between bolt body and the cylinder head body, the bolt body includes the stratum basale, the surface of stratum basale has first high strength layer through the metal bonding agent bonding, first high strength layer is including cast iron layer and nickel alloy layer, the surface of first high strength layer has second high strength layer through the metal bonding agent bonding, the second high strength layer includes copper alloy layer and aluminum alloy layer.

Preferably, the nickel alloy layer is located on an outer surface of the base layer, and the outer surface of the nickel alloy layer and an inner surface of the cast iron layer are bonded by a metal adhesive.

Preferably, the thickness of the cast iron layer is the same as that of the nickel alloy layer, and the thickness of the first high-strength layer is 0.4 to 0.5 times the radius of the base layer.

Preferably, the aluminum alloy layer is located on the outer surface of the first high-strength layer, and the outer surface of the aluminum alloy layer is bonded to the inner surface of the copper alloy layer through a metal adhesive.

Preferably, the thickness of the copper alloy layer is the same as that of the aluminum alloy layer, and the thickness of the second high-strength layer is 0.3 to 0.4 times the radius of the base layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses it has first high strength layer to bond through the metal bonding agent at the surface of stratum basale, cast iron layer and nickel alloy layer that first high strength layer includes all have very high intensity, it has second high strength layer to bond through the metal bonding agent at the surface on first high strength layer, copper alloy layer and aluminum alloy layer that second high strength layer includes all have very high intensity, make the bolt body reach the purpose of high strength, the purpose that current cylinder head bolt mounting structure does not possess high strength has been solved, lead to its easy problem of breaking the damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the bolt body of the present invention;

FIG. 3 is a schematic structural view of a first high-strength layer of the present invention;

fig. 4 is a schematic structural view of a second high-strength layer of the present invention.

In the figure: 1. a bolt body; 11. a base layer; 12. a first high-strength layer; 121. casting an iron layer; 122. a nickel alloy layer; 13. a second high-strength layer; 131. a copper alloy layer; 132. an aluminum alloy layer; 2. a cylinder head body; 3. and (7) a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a bolt body 1, stratum basale 11, first high strength layer 12, cast iron layer 121, nickel alloy layer 122, second high strength layer 13, copper alloy layer 131, aluminum alloy layer 132, cylinder head body 2 and gasket 3 part are the parts that general standard spare or the technical staff in the field know, and its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental methods.

Referring to fig. 1 to 4, a cylinder head bolt mounting structure includes a bolt body 1, the bolt body 1 is screwed into an inner surface of a cylinder head body 2, a gasket 3 is disposed between the bolt body 1 and the cylinder head body 2, the bolt body 1 includes a base layer 11, a first high strength layer 12 is adhered to an outer surface of the base layer 11 by a metal adhesive, the first high strength layer 12 includes a cast iron layer 121 and a nickel alloy layer 122, the nickel alloy layer 122 is disposed on an outer surface of the base layer 11, an outer surface of the nickel alloy layer 122 is adhered to an inner surface of the cast iron layer 121 by the metal adhesive, a thickness of the cast iron layer 121 is the same as a thickness of the nickel alloy layer 122, the thickness of the first high strength layer 12 is 0.4 to 0.5 times a radius of the base layer 11, a second high strength layer 13 is adhered to an outer surface of the first high strength layer 12 by the metal adhesive, the second high strength layer 13 includes a copper alloy layer 131 and an aluminum alloy layer 132, the aluminum alloy layer 132 is located on the outer surface of the first high-strength layer 12, the outer surface of the aluminum alloy layer 132 is bonded to the inner surface of the copper alloy layer 131 through a metal adhesive, the thickness of the copper alloy layer 131 is the same as that of the aluminum alloy layer 132, the thickness of the second high-strength layer 13 is 0.3-0.4 times of the radius of the base layer 11, the first high-strength layer 12 is bonded to the outer surface of the base layer 11 through the metal adhesive, both the cast iron layer 121 and the nickel alloy layer 122 included in the first high-strength layer 12 have high strength, the second high-strength layer 13 is bonded to the outer surface of the first high-strength layer 12 through the metal adhesive, and both the copper alloy layer 131 and the aluminum alloy layer 132 included in the second high-strength layer 13 have high strength, so that the bolt body 1 achieves the purpose of high strength.

When the bolt body 1 is used, the first high-strength layer 12 is bonded on the outer surface of the base layer 11 through the metal adhesive, the cast iron layer 121 and the nickel alloy layer 122 which are included in the first high-strength layer 12 both have high strength, the second high-strength layer 13 is bonded on the outer surface of the first high-strength layer 12 through the metal adhesive, and the copper alloy layer 131 and the aluminum alloy layer 132 which are included in the second high-strength layer 13 both have high strength, so that the bolt body 1 achieves the purpose of high strength, and the problem that the existing cylinder head bolt mounting structure is easy to break and damage due to the fact that the existing cylinder head bolt mounting structure does not have the purpose of high strength is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a cylinder head bolt mounting structure, includes bolt body (1), its characterized in that: bolt body (1) screw thread is pegged graft in the internal surface of cylinder head body (2), and is provided with gasket (3) between bolt body (1) and cylinder head body (2), bolt body (1) includes stratum basale (11), the surface of stratum basale (11) bonds through metal bonding agent has first high strength layer (12), first high strength layer (12) are including cast iron layer (121) and nickel alloy layer (122), the surface of first high strength layer (12) bonds through metal bonding agent has second high strength layer (13), second high strength layer (13) include copper alloy layer (131) and aluminum alloy layer (132).

2. The cylinder head bolt mounting structure according to claim 1, wherein: the nickel alloy layer (122) is positioned on the outer surface of the base layer (11), and the outer surface of the nickel alloy layer (122) is bonded with the inner surface of the cast iron layer (121) through a metal adhesive.

3. The cylinder head bolt mounting structure according to claim 1, wherein: the thickness of the cast iron layer (121) is the same as that of the nickel alloy layer (122), and the thickness of the first high-strength layer (12) is 0.4-0.5 times of the radius of the base layer (11).

4. The cylinder head bolt mounting structure according to claim 1, wherein: the aluminum alloy layer (132) is located on the outer surface of the first high-strength layer (12), and the outer surface of the aluminum alloy layer (132) is bonded with the inner surface of the copper alloy layer (131) through a metal adhesive.

5. The cylinder head bolt mounting structure according to claim 1, wherein: the thickness of the copper alloy layer (131) is the same as that of the aluminum alloy layer (132), and the thickness of the second high-strength layer (13) is 0.3-0.4 times of the radius of the base layer (11).