CN211174426U

CN211174426U - Cam structure of automobile fuel pump

Info

Publication number: CN211174426U
Application number: CN201922471762.0U
Authority: CN
Inventors: 颜励
Original assignee: Wuxi Aosen Plastic Electronics Co ltd
Current assignee: Wuxi Aosen Plastic Electronics Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-04
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a car fuel pump cam structure, including the wheel body, the mounting hole has been seted up to the inner chamber of wheel body, the surface of wheel body is provided with high temperature resistant layer, the surface on high temperature resistant layer is provided with the wearing layer, the surface of wearing layer is provided with anti-corrosion coating, high temperature resistant layer contains upper strata and bottom, the upper strata is located the surface of bottom, the upper strata is the titanium alloy layer, the bottom is the alloy steel layer, the thickness on upper strata is 1mm-1.5mm, the thickness of bottom is 0.5mm-1 mm. The utility model discloses a mounting hole can install the wheel body on the camshaft, has used high temperature resistant layer, prevents that the wheel body from receiving high temperature deformation, has used upper strata and bottom, and double-deck protection has strengthened the high temperature resistance of wheel body, has used the wearing layer, prevents wheel body wearing and tearing, has used the anti-corrosion coating, prevents wheel body corrosion damage, has solved the problem that current fuel pump cam is wear-resisting, corrosion-resistant and high temperature resistance is not good.

Description

Cam structure of automobile fuel pump

Technical Field

The utility model relates to a fuel pump technical field specifically is a car fuel pump cam structure.

Background

The fuel pump is a professional term in the automobile accessory industry, is one of basic components of an electronic fuel injection automobile fuel injection system, is located in an automobile fuel tank, works when the fuel pump is started and an engine runs, and is used for sucking fuel out of the fuel tank, pressurizing the fuel and then conveying the fuel into a fuel supply pipe, and establishing a certain fuel pressure by matching with a fuel pressure regulator.

Disclosure of Invention

An object of the utility model is to provide a car fuel pump cam structure possesses wear-resisting, corrosion-resistant and the good advantage of high temperature resistance, has solved the current problem that the fuel pump cam is wear-resisting, corrosion-resistant and high temperature resistance is not good.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile fuel pump cam structure, includes the wheel body, the mounting hole has been seted up to the inner chamber of wheel body, the surface of wheel body is provided with high temperature resistant layer, the surface on high temperature resistant layer is provided with the wearing layer, the surface of wearing layer is provided with anti-corrosion coating, high temperature resistant layer contains upper strata and bottom, the upper strata is located the surface of bottom.

Preferably, the upper layer is a titanium alloy layer, and the bottom layer is an alloy steel layer.

Preferably, the thickness of the upper layer is 1mm-1.5mm, and the thickness of the bottom layer is 0.5mm-1 mm.

Preferably, the wear-resistant layer is a zirconia layer, and the anti-corrosion layer is an aluminum-titanium alloy layer.

Preferably, the thickness of the wear-resistant layer is 0.3mm-0.35mm, and the thickness of the anti-corrosion layer is 0.1mm-0.15 mm.

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

the utility model discloses a mounting hole can install the wheel body on the camshaft, has used high temperature resistant layer, prevents that the wheel body from receiving high temperature deformation, has used upper strata and bottom, and double-deck protection has strengthened the high temperature resistance of wheel body, has used the wearing layer, prevents wheel body wearing and tearing, has used the anti-corrosion coating, prevents wheel body corrosion damage, has solved the problem that current fuel pump cam is wear-resisting, corrosion-resistant and high temperature resistance is not good.

Drawings

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

FIG. 2 is an enlarged structural view of a partial cross-section of the wheel body according to the present invention;

FIG. 3 is a schematic structural view of the high temperature resistant layer of the present invention;

fig. 4 is a schematic view of the structure of the wear-resistant layer of the present invention.

In the figure: 1. a wheel body; 2. mounting holes; 3. a high temperature resistant layer; 301. an upper layer; 302. a bottom layer; 4. a wear layer; 5. and an anti-corrosion layer.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 wheel body 1, mounting hole 2, high temperature resistant layer 3, upper 301, bottom 302, wearing layer 4 and anti-corrosion coating 5 parts are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, an automobile fuel pump cam structure includes a wheel body 1, a mounting hole 2 is formed in an inner cavity of the wheel body 1, the wheel body 1 can be mounted on a camshaft through the mounting hole 2, a high temperature resistant layer 3 is disposed on a surface of the wheel body 1 to prevent the wheel body 1 from deforming under high temperature, a wear-resistant layer 4 is disposed on the surface of the high temperature resistant layer 3 to prevent the wheel body 1 from being worn, an anti-corrosion layer 5 is disposed on the surface of the wear-resistant layer 4 to prevent the wheel body 1 from being corroded and damaged, the wear-resistant layer 4 is a zirconia layer, the anti-corrosion layer 5 is an aluminum-titanium alloy layer, the wear-resistant layer 4 has a thickness of 0.3mm-0.35mm, the anti-corrosion layer 5 has a thickness of 0.1mm-0.15mm, the high temperature resistant layer 3 includes an upper layer 301 and a bottom layer 302, the upper layer 301 is disposed on a surface of the bottom layer 302, the upper layer 301 is a titanium alloy layer, the bottom layer 302 is an alloy steel, double-deck protection has strengthened the high temperature resistance of wheel body 1, has solved the current problem that the fuel pump cam is wear-resisting, corrosion-resistant and high temperature resistance is not good.

During the use, can install wheel body 1 on the camshaft through mounting hole 2, used high temperature resistant layer 3, prevent that wheel body 1 from receiving high temperature deformation, used upper 301 and bottom 302, double-deck protection has strengthened the high temperature resistance of wheel body 1, has used wearing layer 4, prevents wheel body 1 wearing and tearing, has used anti-corrosion coating 5, prevents wheel body 1 corrosion damage, has solved the current problem that fuel pump cam is wear-resisting, corrosion-resistant and high temperature resistance is not good.

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 an automobile fuel pump cam structure, includes wheel body (1), its characterized in that: mounting hole (2) have been seted up to the inner chamber of wheel body (1), the surface of wheel body (1) is provided with high temperature resistant layer (3), the surface of high temperature resistant layer (3) is provided with wearing layer (4), the surface of wearing layer (4) is provided with anti-corrosion coating (5), high temperature resistant layer (3) include upper strata (301) and bottom (302), upper strata (301) are located the surface of bottom (302).

2. The cam structure for an automobile fuel pump according to claim 1, wherein: the upper layer (301) is a titanium alloy layer, and the bottom layer (302) is an alloy steel layer.

3. The cam structure for an automobile fuel pump according to claim 2, wherein: the thickness of the upper layer (301) is 1mm-1.5mm, and the thickness of the bottom layer (302) is 0.5mm-1 mm.

4. The cam structure for an automobile fuel pump according to claim 1, wherein: the wear-resistant layer (4) is a zirconium oxide layer, and the anti-corrosion layer (5) is an aluminum-titanium alloy layer.

5. The cam structure for an automobile fuel pump according to claim 1, wherein: the thickness of the wear-resistant layer (4) is 0.3mm-0.35mm, and the thickness of the anti-corrosion layer (5) is 0.1mm-0.15 mm.