Fuel switch assembly

Abstract

The utility model provides a kind of fuel switch assembly, belong to motorcycle accessories field.It solves the problem of insufficient sealing connection performance of traditional fuel switch.This fuel switch assembly, including main body, the upper cover and fuel pipeline joint connected with main body, main body inside is equipped with the valve piece for controlling fuel passage opening and closing, the oil inlet of main body is equipped with filter screen, filter screen is connected in the oil inlet of main body by connecting framework, and it is connected with external fuel pipeline joint, joint and main body are sequentially equipped with joint rubber sleeve and sealing rubber ring, its sealing rubber ring inside is equipped with annular spring, and it is set as hollow structure, the outside of the oil inlet of main body is equipped with annular groove, main body inside is also equipped with elastic member for providing the reset force of valve piece, upper cover is fixedly connected with main body by screw.The utility model has the advantages of reasonable structure, reliable sealing, easy to maintain and stable reset function.

Description

Technical Field

[0001] This utility model belongs to the field of motorcycle parts and relates to a fuel switch assembly. Background Technology

[0002] Existing fuel switch assemblies typically employ simple valve structures to control fuel flow, but their sealing performance is often insufficient. Over time, fuel leaks can occur due to aging or deformation of the seals, posing a safety hazard. Furthermore, most fuel switches have fixed filter structures, making disassembly, cleaning, or replacement difficult. This can lead to the accumulation of impurities, affecting fuel flow and the normal operation of the system. Summary of the Invention

[0003] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a fuel switch assembly to solve these problems.

[0004] The purpose of this utility model can be achieved through the following technical solution: a fuel switch assembly, including a main body, an upper cover connected to the main body and a fuel line connector, characterized in that the main body is provided with a valve plate for controlling the opening and closing of the fuel passage, and the fuel inlet of the main body is provided with a filter screen for filtering fuel impurities; The filter screen is connected to the oil inlet of the main body via a connecting frame and is connected to an external fuel line connector. The connector and the main body are provided with a connector sleeve and a sealing ring in sequence to achieve a sealed connection. The sealing ring has an annular spring inside and is hollow in shape to facilitate the reset after compression deformation. The oil inlet of the main body has an annular groove on the outside for the compression installation of the annular spring. The main body is also provided with an elastic element for providing the valve plate reset force, and the upper cover is fixed to the main body by screws.

[0005] In the aforementioned fuel switch assembly, the connecting frame has a through hole to facilitate the fixing of the filter screen and the passage of fuel. One end of the frame is connected to the fuel inlet of the main body through internal and external threads for easy disassembly and connection.

[0006] In the aforementioned fuel switch assembly, the sealing ring is made of elastic rubber, and the annular spring is a helical spring, which is wrapped with a sealing ring.

[0007] In the aforementioned fuel switch assembly, the elastic element is disposed between the valve plate and the upper cover, and a plastic sheet is embedded on the valve plate near the end of the upper cover to prevent the elastic element from coming out.

[0008] In one of the aforementioned fuel switch assemblies, an O-ring is also provided at the joint between the upper cover and the main body to improve the connection seal.

[0009] Compared to existing technologies, this fuel switch assembly effectively removes impurities from the fuel through a filter, improving fuel cleanliness and system durability. Its combination of a sealing ring and a ring spring achieves excellent sealing performance, preventing fuel leakage, while the ring spring's reset characteristic ensures long-term stability. The threaded connection of the connecting frame facilitates disassembly and maintenance, enhancing ease of use. The elastic element enables the valve plate to automatically reset, ensuring accurate and reliable switch control. The addition of an O-ring further enhances the sealing effect, reduces wear, and extends the assembly's lifespan. The overall structure is compact, easy to install, and suitable for various fuel system environments. Attached Figure Description

[0010] Figure 1 This is a cross-sectional view of the fuel switch assembly.

[0011] Figure 2 yes Figure 1 A magnified schematic diagram of the structure at point A in the middle.

[0012] In the diagram, 1. Main body; 2. Top cover; 3. Connector; 4. Valve plate; 5. Filter screen; 6. Connector sleeve; 7. Sealing ring; 8. Ring spring; 9. Elastic element; 10. Plastic sheet; 11. O-ring; 12. Connecting frame. Detailed Implementation

[0013] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0014] like Figure 1 , Figure 2 As shown, this fuel switch assembly includes a main body 1, an upper cover 2 connected to the main body 1, and a fuel line connector 3. The main body 1 has a valve plate inside for controlling the opening and closing of the fuel passage. The fuel inlet of the main body 1 has a filter screen for filtering fuel impurities. The filter screen is connected to the fuel inlet of the main body 1 through a connecting frame 12 and is connected to the external fuel line connector 3. A connector sleeve 6 and a sealing ring 7 are provided between the connector 3 and the main body 1 in sequence to achieve a sealed connection. The sealing ring 7 has an annular spring 8 inside and is hollow in structure to facilitate reset after compression deformation. The fuel inlet of the main body 1 has an annular groove on the outside for the compression installation of the annular spring 8. The main body 1 also has an elastic element 9 inside for providing the reset force of the valve plate. The upper cover 2 is fixed to the main body 1 by screws.

[0015] The connecting frame 12 has through holes for easy fixing of the filter screen and for fuel to pass through. One end of the frame is connected to the fuel inlet of the main body 1 via internal and external threads for easy disassembly and connection. The sealing ring 7 is made of elastic rubber, and the annular spring 8 is a helical spring, which is wrapped with the sealing ring 7. The elastic element 9 is located between the valve plate and the upper cover 2. A plastic piece 10 is embedded on the side of the valve plate near the upper cover 2 to prevent the elastic element 9 from falling out. An O-ring 11 is also provided at the joint between the upper cover 2 and the main body 1 to improve the connection seal.

[0016] The fuel switch assembly controls the opening and closing of the fuel passage via a valve plate inside the main body 1. When fuel enters from the inlet, the filter screen first filters impurities to ensure fuel cleanliness. The valve plate is provided with a reset force by the elastic element 9, allowing it to automatically return to its initial state after operation, thereby regulating fuel flow. The connector 3 and the main body 1 are sealed together via an interface sleeve and a sealing ring 7. The annular spring 8 inside the sealing ring 7 automatically resets after being compressed, enhancing sealing stability. The annular groove at the fuel inlet of the main body 1 is used to fix the annular spring 8, ensuring a secure installation. The top cover 2 is fixed to the main body 1 with screws, and an O-ring 11 is provided at the joint to further prevent fuel leakage and ensure the overall reliability and safety of operation.

[0017] The filter effectively removes impurities from the fuel, improving fuel cleanliness and system durability. The combination of the sealing ring 7 and the ring spring 8 achieves excellent sealing performance, preventing fuel leakage, and the return characteristic of the ring spring 8 ensures long-term stability. The connecting frame 12 uses a threaded connection, facilitating disassembly and maintenance and improving ease of use. The elastic element 9 enables the valve plate to have an automatic reset function, ensuring the accuracy and reliability of switch control. The addition of the O-ring 11 further enhances the sealing effect, reduces wear, and extends the assembly life. The overall structure is compact, easy to install, and suitable for various fuel system environments.

[0018] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0019] Although this document uses a considerable amount of technical terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A fuel switch assembly, comprising a main body (1), an upper cover (2) connected to the main body (1), and a fuel line connector (3), characterized in that, The main body (1) is provided with a valve plate (4) for controlling the opening and closing of the fuel passage, and a filter screen (5) for filtering fuel impurities is provided at the oil inlet of the main body (1). The filter screen (5) is connected to the oil inlet of the main body (1) via the connecting frame (12) and is connected to the external fuel line connector (3); The connector (3) and the main body (1) are provided with a connector sleeve (6) and a sealing ring (7) in sequence to achieve a sealed connection. The sealing ring (7) is provided with an annular spring (8) inside and is set in a hollow structure to facilitate the reset after extrusion deformation. The oil inlet of the main body (1) is provided with an annular groove on the outside for extrusion installation of the annular spring (8). The main body (1) is also provided with an elastic element (9) for providing the reset force of the valve plate (4), and the upper cover (2) is fixedly connected to the main body (1) by screws.

2. The fuel switch assembly according to claim 1, characterized in that, The connecting frame (12) has through holes, which facilitates the fixing of the filter screen (5) and allows fuel to pass through. One end of the filter screen is connected to the oil inlet of the main body (1) by internal and external thread engagement, which facilitates disassembly and connection.

3. The fuel switch assembly according to claim 1, characterized in that, The sealing ring (7) is made of elastic rubber, and the annular spring (8) is a helical spring, which is wrapped with the sealing ring (7).

4. A fuel switch assembly according to claim 1, characterized in that, The elastic element (9) is disposed between the valve plate (4) and the upper cover (2). A plastic sheet (10) is embedded on the end of the valve plate (4) near the upper cover (2) to prevent the elastic element (9) from coming out.

5. A fuel switch assembly according to claim 1, characterized in that, The joint between the top cover (2) and the main body (1) is also provided with an O-ring (11) for improving the connection seal.

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