Combined filter element gasoline filter

Abstract

The utility model discloses a combined filter element gasoline filter which comprises an outer pipe, the upper end and the lower end of the outer pipe are respectively provided with a top cover and a bottom box, the inner side wall of the bottom end of the outer pipe and the outer side wall of the top end of the bottom box are respectively provided with a connecting side wall, the connecting side walls are mutually meshed and fixed through thread structures, and a mounting plate is fixed in the inner side wall of the bottom box. A spring is fixed in the middle of the top end of the mounting plate, a positioning frame is fixed in the middle of the outer pipe, the positioning frame is of a hollow cavity structure without a surface at the top end, an internal filter element structure can filter and distribute liquid entering the cavity from a bottom oil inlet, and the liquid entering a filter element can flow out from an oil outlet pipe; when the device is used, the detachable function between the outer pipe and the bottom box is convenient for a user to check and replace the gasoline filter after a certain time, and the threaded connection mode is adopted, so that the field operation and use are convenient, and the functional requirements are met.

Description

Technical Field

[0001] This utility model relates to the field of filter devices, and in particular to a combined filter element gasoline filter. Background Technology

[0002] A gasoline filter, also known as a fuel filter, comes in two types: carburetor type and electronic fuel injection type. In carburetor gasoline engines, the fuel filter is located on the inlet side of the fuel pump, operating at lower pressure, and typically uses a nylon housing. In electronic fuel injection engines, the fuel filter is located on the outlet side of the fuel pump, operating at higher pressure, and usually uses a metal housing. The filter element of a gasoline filter is mostly made of filter paper, but some also use nylon cloth or polymer materials. The main function of a gasoline filter is to filter out impurities from gasoline.

[0003] Currently, the fuel filter housings used in various automobiles are mostly machined into a single piece for sealing. This means that after a period of use, the fuel line may become clogged and cannot be opened for cleaning, resulting in the filter becoming unusable and causing significant waste. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, this utility model provides a combined filter element gasoline filter. Through two sets of connecting sidewall structures, the user can connect and fix the outer tube and the bottom box, achieving a unified external structure. During connection, the spring in the bottom box, driven by the mounting plate (since the mounting plate and the bottom box are fixed, they can move simultaneously), contacts the limiting ring at the bottom of the top positioning bracket, thus compressing it and achieving a tight connection between the connecting sidewalls. In the outer tube, the positioning bracket can be connected and fixed to the outer tube via side blocks. The internal filter element structure filters and diverts the liquid entering the cavity through the bottom inlet. The liquid entering the filter element can flow out through the outlet pipe. Because the top of the filter element contacts the inner cover, external liquid entry is prevented. Therefore, the detachable function between the outer tube and the bottom box allows the user to easily inspect and replace the gasoline filter after a certain period. The threaded connection facilitates on-site operation and use, meeting functional requirements.

[0005] To solve the above technical problems, this utility model provides the following technical solution: a combined filter element gasoline filter, including an outer tube, with a top cover and a bottom box respectively provided at the upper and lower ends of the outer tube. The inner side wall at the bottom end of the outer tube and the outer side wall at the top end of the bottom box are provided with connecting side walls. The connecting side walls are fixed to each other by a threaded structure. An mounting plate is fixed in the inner side wall of the bottom box. A spring is fixed in the middle of the top end of the mounting plate. A positioning frame is fixed in the middle of the outer tube. The positioning frame is a hollow cavity structure with no top surface. A filter element is placed in the middle of the positioning frame. A side block is provided at the top end of the positioning frame. The outer side of the side block is fixedly connected to the inner side of the outer tube. The top cover includes a side ring fixed to the top end of the outer tube, an inner cover inserted in the side ring, and an oil outlet pipe penetrating through the inner cover.

[0006] As a preferred embodiment of this utility model, the outer side of the mounting plate is fixedly connected to the inner side wall of the base box, and the mounting plate has a hollow structure.

[0007] As a preferred embodiment of this utility model, the bottom end of the positioning frame is provided with a limiting ring, and the top end of the spring is disposed within the limiting ring.

[0008] As a preferred technical solution of this utility model, multiple sets of side blocks are equidistantly arranged on the outer side of the top of the positioning frame, and the positioning frame is a hollow structure, with the top of the filter element in contact with the bottom side wall of the inner cover.

[0009] As a preferred embodiment of this utility model, an oil inlet pipe is provided at the bottom end of the base box.

[0010] As a preferred embodiment of this utility model, the side ring is a hollow ring structure with no inner surface.

[0011] Compared with the prior art, the beneficial effects that this utility model can achieve are:

[0012] In this device, two sets of connecting sidewall structures allow the user to connect and fix the outer tube and the base box, integrating the external structures into one. During connection, the spring in the base box, driven by the mounting plate (which can move simultaneously due to the fixed relationship between the mounting plate and the base box), contacts the limiting ring at the bottom of the top positioning frame, compressing it and achieving a tight connection between the connecting sidewalls. In the outer tube, the positioning frame is connected and fixed to the outer tube via side blocks. The internal filter element structure filters and diverts the liquid entering the cavity through the bottom inlet. The liquid entering the filter element flows out through the outlet pipe. Since the top of the filter element contacts the inner cover, external liquid is prevented from entering. Therefore, the detachable function between the outer tube and the base box allows the user to easily inspect and replace the fuel filter after a certain period of time. The threaded connection facilitates on-site operation and use, meeting functional requirements. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is an exploded view of the structure of this utility model;

[0015] Figure 3 This is an exploded view of the bottom box structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the outer tube and top cover structure of this utility model;

[0017] Figure 5 This is a cross-sectional view of the structure of this utility model;

[0018] Figure 6 This is a schematic diagram of the positioning frame and filter element of this utility model.

[0019] The components are: 1. Outer tube; 11. Positioning frame; 12. Filter element; 13. Side block; 14. Limiting ring; 2. Bottom box; 21. Mounting plate; 22. Spring; 23. Connecting side wall; 3. Top cover; 31. Oil outlet pipe; 32. Side ring; 33. Inner cover. Detailed Implementation

[0020] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described herein without creative effort are all within the protection scope of this utility model. Unless otherwise specified, the experimental methods in the following embodiments are conventional methods, and the materials and reagents used in the following embodiments are commercially available unless otherwise specified. Example

[0021] like Figure 1-6 As shown, this utility model provides a combined filter element gasoline filter, including an outer tube 1. The upper and lower ends of the outer tube 1 are respectively provided with a top cover 3 and a bottom box 2. The inner side wall of the bottom end of the outer tube 1 and the outer side wall of the top end of the bottom box 2 are both provided with connecting side walls 23. The connecting side walls 23 are fixed to each other by a threaded structure. An mounting plate 21 is fixed in the inner side wall of the bottom box 2. A spring 22 is fixed in the middle of the top end of the mounting plate 21. A positioning frame 11 is fixed in the middle of the outer tube 1. The positioning frame 11 is a hollow cavity structure with no top surface. A filter element 12 is placed in the middle of the positioning frame 11. A side block 13 is provided in the top end of the positioning frame 11. The outer side of the side block 13 is fixedly connected to the inner side of the outer tube 1. The top cover 3 includes a side ring 32 fixed to the top end of the outer tube 1, an inner cover 33 inserted in the side ring 32, and an oil outlet pipe 31 passing through the inner cover 33.

[0022] In other embodiments, the outer side of the mounting plate 21 is fixedly connected to the inner sidewall of the base box 2, and the mounting plate 21 is a hollow structure; the bottom end of the positioning frame 11 is provided with a limiting ring 14, and the top end of the spring 22 is located inside the limiting ring 14; multiple sets of side blocks 13 are equidistantly arranged on the outer side of the top end of the positioning frame 11, and the positioning frame 11 is a hollow structure, and the top end of the filter element 12 is in contact with the bottom sidewall of the inner cover 33; the bottom end of the base box 2 is provided with an oil inlet pipe; the side ring 32 is a hollow ring structure without an inner surface; through the two sets of connecting sidewall 23 structures, the user can connect and fix the outer tube 1 and the base box 2 through this structure, realizing the integration of the external structure into one, and when connected, the spring 22 in the base box 2 can be driven by the mounting plate 21 (due to the connection between the mounting plate 21 and the base box 2) (For a fixed relationship, simultaneous movement is possible) It contacts the limiting ring 14 at the bottom of the top positioning frame 11, thereby compressing it to achieve a tight connection between the connecting side walls 23. In the outer tube 1, the positioning frame 11 can be connected and fixed to the outer tube 1 through the side block 13. The internal filter element 12 structure can filter and divert the liquid entering the cavity from the bottom oil inlet. The liquid entering the filter element 12 can flow out from the oil outlet 31. Since the top of the filter element 12 contacts the inner cover 33, the entry of external liquid is avoided. Therefore, when this device is in use, the detachable function between its outer tube 1 and bottom box 2 makes it convenient for users to check and replace the gasoline filter after a certain period of time. The use of threaded connection facilitates on-site operation and use, meeting functional requirements.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A combined filter element gasoline filter, characterized in that: The device includes an outer tube (1), with a top cover (3) and a bottom box (2) respectively at its upper and lower ends. Connecting sidewalls (23) are provided on the inner sidewall at the bottom of the outer tube (1) and the outer sidewall at the top of the bottom box (2). The connecting sidewalls (23) are interlocked and fixed by a threaded structure. A mounting plate (21) is fixed in the inner sidewall of the bottom box (2), and a spring (22) is fixed in the middle of the top of the mounting plate (21). A positioning bracket is fixed in the middle of the outer tube (1). (11) The positioning frame (11) is a hollow cavity structure with no top surface, and a filter element (12) is placed in the middle of the positioning frame (11). A side block (13) is provided at the top of the positioning frame (11). The outer side of the side block (13) is fixedly connected to the inner side of the outer tube (1). The top cover (3) includes a side ring (32) fixed to the top of the outer tube (1), an inner cover (33) inserted in the side ring (32), and an oil outlet pipe (31) passing through the inner cover (33).

2. The combined filter element gasoline filter according to claim 1, characterized in that: The outer side of the mounting plate (21) is fixedly connected to the inner side wall of the bottom box (2), and the mounting plate (21) is a hollow structure.

3. The combined filter element gasoline filter according to claim 1, characterized in that: The bottom end of the positioning frame (11) is provided with a limiting ring (14), and the top end of the spring (22) is located inside the limiting ring (14).

4. The combined filter element gasoline filter according to claim 1, characterized in that: The side blocks (13) are arranged in multiple sets at equal intervals on the outer side of the top of the positioning frame (11), and the positioning frame (11) is a hollow structure. The top of the filter element (12) is in contact with the bottom side wall of the inner cover (33).

5. The combined filter element gasoline filter according to claim 1, characterized in that: The bottom of the bottom box (2) is provided with an oil inlet pipe.

6. The combined filter element gasoline filter according to claim 1, characterized in that: The side ring (32) is a hollow ring structure with no inner surface.

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