Novel fuel pump assembly

Abstract

The utility model provides a novel fuel pump assembly, and belongs to the technical field of fuel pumps. The problem that an existing fuel pump is not filtered for a long time and is prone to being blocked is solved. The novel fuel pump assembly comprises a fuel pump assembly body, a fuel inlet part allowing fuel to enter the fuel pump assembly body is arranged on the fuel pump assembly body, a fuel inlet pipeline allowing the fuel to flow in is arranged on the fuel inlet part, a filtering assembly used for filtering is arranged on the fuel inlet part, the filtering assembly is composed of a mounting part and a filtering ring, and the mounting part is matched with the fuel inlet part. The filtering assembly is integrally arranged to be of a concave structure, three fixing rods for fixing the filtering assembly are arranged at the upper end of the oil inlet part, positioning holes matched with the fixing rods are formed in the mounting part, positioning assemblies for positioning the filtering assembly are arranged on the fixing rods, and each positioning assembly is composed of a positioning rod and a connecting spring. The utility model has the advantage that the service life is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of pumps and relates to a novel fuel pump assembly. Background Art

[0002] Fuel pump: The fuel pump has the characteristics of simple structure, compact size, good suction, large oil delivery, low noise, stable operation, high efficiency and long life. It is suitable for the lubrication or cooling system of various machine tools, internal combustion engines, diesel engines, ships and other mechanical equipment. The electric fuel pump assembly is installed on the automobile fuel tank and plays the function of supplying automobile fuel in the automobile fuel supply system. However, because it is made of a system, it is particularly important to filter the fuel. If it is not filtered for a long time, it is easy to cause the fuel pump to be blocked, affecting the normal use of the electric fuel pump. Summary of the invention

[0003] The purpose of the utility model is to provide a new fuel pump assembly with filtering function and improved service life in view of the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a new type of fuel pump assembly, including a fuel pump assembly, the fuel pump assembly is provided with an oil inlet part for fuel to enter the interior of the fuel pump assembly, the oil inlet part has an oil inlet pipeline for fuel to flow into, characterized in that the oil inlet part is provided with a filter assembly for filtering, the filter assembly is composed of a mounting part and a filter ring, the mounting part is matched with the oil inlet part, the filter assembly is arranged in a concave structure as a whole, the upper end of the oil inlet part is provided with three fixing rods for fixing the filter assembly, the mounting part is provided with positioning holes that match the fixing rods, the fixing rod is provided with a positioning assembly for positioning the filter assembly, the positioning assembly is composed of a positioning rod and a connecting spring, the positioning rod can be extended and retracted on the fixing rod under the action of the connecting spring to fix the mounting part of the filter assembly.

[0005] In the above-mentioned novel fuel pump assembly, the mounting portion is provided with an oil inlet for the fuel pump to enter, the filter ring is arranged on the mounting portion, and the diameter of the oil inlet is smaller than the diameter of the oil inlet pipe.

[0006] In the above-mentioned novel fuel pump assembly, the number of the fixing rods is three, and the number of the positioning components arranged on each of the fixing rods is two, and they are arranged on the left and right sides thereof respectively.

[0007] In the above-mentioned new fuel pump assembly, a mounting groove for installing the positioning component is provided on the fixing rod, one end of the positioning rod extends out of the mounting groove and is connected to the upper surface of the mounting portion, and the other end of the positioning rod extends into the mounting groove and is connected to the connecting spring.

[0008] Compared with the prior art, the novel fuel pump assembly is provided with a filter component at the oil inlet of the fuel pump assembly to filter the fuel entering the fuel pump assembly, thereby avoiding damage to the internal parts thereof and improving the service life of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0011] In the figure, 1. fuel pump assembly; 2. oil inlet; 3. oil inlet pipeline; 4. filter assembly; 5. mounting portion; 6. filter ring; 7. fixing rod; 8. positioning assembly; 9. positioning rod; 10. connecting spring; 11. oil inlet; 12. mounting groove. DETAILED DESCRIPTION

[0012] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0013] like Figure 1 As shown, the novel fuel pump assembly includes a fuel pump assembly 1, wherein the fuel pump assembly 1 is provided with an oil inlet portion 2 for fuel to enter the interior of the fuel pump assembly 1, and the oil inlet portion 2 has an oil inlet pipe 3 for fuel to flow into, and the oil inlet portion 2 is provided with a filter assembly 4 for filtering, and a mounting flange can also be provided on the filter assembly 4, and the mounting flange is used to connect with the external oil inlet pipe, and the filter assembly 4 is composed of a mounting portion 5 and a filter ring 6, and the mounting portion 5 is matched with the oil inlet portion 2, and the filter assembly 4 is integrally It is arranged in a concave structure, and the upper end of the oil inlet part 2 is provided with three fixing rods 7 for fixing the filter assembly 4, and the fixing rods 7 and the oil inlet part 2 are integrally formed. The mounting part 5 is provided with positioning holes matched with the fixing rods 7, and the fixing rods 7 are provided with a positioning assembly 8 for positioning the filter assembly 4. The positioning assembly 8 is composed of a positioning rod 9 and a connecting spring 10. The positioning rod 9 can be retracted on the fixing rod 7 under the action of the connecting spring 10, so as to fix the mounting part 5 of the filter assembly 4.

[0014] To be more specific, the mounting portion 5 is provided with an oil inlet 11 for the fuel pump to enter, the filter ring 6 is arranged on the mounting portion 5 , and the diameter of the oil inlet 11 is smaller than the diameter of the oil inlet pipe 3 .

[0015] To be more specific, there are three fixing rods 7 , and two positioning components 8 are arranged on each fixing rod 7 , and are arranged on the left and right sides thereof respectively.

[0016] In further detail, a mounting groove 12 for installing the positioning assembly 8 is provided on the fixing rod 7, one end of the positioning rod 9 extends out of the mounting groove 12 and is connected to the upper surface of the mounting portion 5, and the other end of the positioning rod 9 extends into the mounting groove 12 and is connected to the connecting spring 10.

[0017] To explain in further detail, when it is necessary to install the filter assembly 4, the positioning rod 9 is pressed to shrink it into the installation groove 12, the connecting spring 10 is in a compressed state, and the mounting portion 5 of the filter assembly 4 is installed on the fixed rod 7 of the water inlet portion. When the installation is completed, the connecting spring 10 rebounds, the positioning rod 9 is extended out of the installation groove 12 again, and the lower end of the positioning rod 9 is abutted against the upper end of the mounting portion 5, so that the filter assembly 4 is fixed to the oil inlet portion 2. When it is necessary to install the filter assembly 4, the positioning rod 9 is pressed to shrink it into the installation groove 12, the connecting spring 10 is in a compressed state, and the filter assembly 4 can be removed from the fixed rod 7.

[0018] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0019] Although the terms such as fuel pump assembly 1, fuel inlet 2, fuel inlet pipe 3, filter assembly 4, mounting portion 5, filter ring 6, fixing rod 7, positioning assembly 8, positioning rod 9, connecting spring 10, fuel inlet 11, mounting groove 12 are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A novel fuel pump assembly, comprising a fuel pump assembly (1), wherein the fuel pump assembly (1) is provided with an oil inlet portion (2) for fuel to enter the interior of the fuel pump assembly (1), and the oil inlet portion (2) is provided with an oil inlet pipe (3) for fuel to flow in, characterized in that: The oil inlet (2) is provided with a filter assembly (4) for filtering. The filter assembly (4) is composed of a mounting portion (5) and a filter ring (6). The mounting portion (5) fits with the oil inlet (2). The filter assembly (4) is arranged in a concave structure as a whole. The upper end of the oil inlet (2) is provided with three fixing rods (7) for fixing the filter assembly (4). The mounting portion (5) is provided with positioning holes that match the fixing rods (7). The fixing rods (7) are provided with a positioning assembly (8) for positioning the filter assembly (4). The positioning assembly (8) is composed of a positioning rod (9) and a connecting spring (10). The positioning rod (9) can be extended and retracted on the fixing rod (7) under the action of the connecting spring (10) so as to fix the mounting portion (5) of the filter assembly (4).

2. A new type of fuel pump assembly according to claim 1, characterized in that: The mounting portion (5) is provided with an oil inlet (11) for the fuel pump to enter, the filter ring (6) is arranged on the mounting portion (5), and the diameter of the oil inlet (11) is smaller than the diameter of the oil inlet pipeline (3).

3. A new type of fuel pump assembly according to claim 1, characterized in that: The number of the fixing rods (7) is three, and the number of the positioning components (8) arranged on each of the fixing rods (7) is two, and they are arranged on the left and right sides thereof respectively.

4. A new type of fuel pump assembly according to claim 1, characterized in that: The fixing rod (7) is provided with a mounting groove (12) for mounting the positioning assembly (8); one end of the positioning rod (9) extends out of the mounting groove (12) and is connected to the upper surface of the mounting portion (5); the other end of the positioning rod (9) extends into the mounting groove (12) and is connected to the connecting spring (10).

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