Gasoline impurity filtering device

By designing a conveniently installed gasoline impurity filter device, the problems of incomplete combustion caused by impurities in gasoline and difficulty in cleaning the filter screen are solved, efficient gasoline filtration and engine performance improvement are achieved, and good anti-stickness and corrosion resistance are provided.

CN223203157UActive Publication Date: 2025-08-08HUNAN SOUTH CHINA PETROLEUM & CHEM CO LTD
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Patent Information

Application Number
CN202422175269.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-08-08
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

Existing gasoline contains impurities, resulting in incomplete combustion, affecting fuel quality and engine efficiency. The filter is fixed inside the fuel tank and is difficult to disassemble and clean, and the accumulation of impurities leads to a decrease in flow rate.

Method used

A gasoline impurity filter device is designed, including a filling tube, a limit ring, a first and a second filter mechanism. It is installed by connecting screw edges, and the limit ring is limited. The first filter is initially filtered. When the liquid level rises, the second filter continues to filter to avoid blockage, and the rotor block is easy to disassemble, and the anti-stick coating and corrosion-resistant coating improve the performance of the filling tube.

Benefits of technology

It realizes convenient gasoline filtration and cleaning, avoids spills during refueling, improves the working efficiency and service life of the engine, and the filling pipe has good anti-stickness and corrosion resistance.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of gasoline impurity filtering, and discloses a gasoline impurity filtering device which comprises a filling pipe, a connecting screw edge is fixedly installed at the upper end of the surface of the filling pipe, a limiting ring is fixedly installed at the top of the filling pipe, and a first filtering mechanism is arranged at the bottom of the filling pipe. The first filtering mechanism comprises a flow guide main pipe, a first screw cap and a first filter screen. By arranging the connecting screw edge, the filling pipe can be mounted and dismounted easily, the limiting ring plays a role in limiting and is prevented from disengaging from the groove, gasoline can be filtered by arranging the first filtering mechanism, a gasoline gun is inserted into the flow guide groove during refueling, the gasoline can be filtered by the first filtering net, and by arranging the second filtering mechanism, when the first filtering net is blocked, the gasoline can be filtered by the second filtering net. And when the liquid level in the filling pipe rises, gasoline is guided, so that the second filter screen is used for filtering, and the situation that the first filter screen is blocked and oil overflows during refueling is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of gasoline impurity filtering, in particular to a gasoline impurity filtering device. Background Art

[0002] Currently, gasoline used in automobiles contains a lot of impurities. When gasoline containing impurities is added to the fuel tank, it causes incomplete combustion of the gasoline, affecting the quality of the fuel. In addition, the presence of impurities will cause wear of engine parts, greatly reducing the working efficiency of the engine and even shortening the service life of the engine. In order to remove impurities, some people fix a filter at the fuel tank port to filter the added gasoline. However, because the filter is fixed inside the fuel tank, it cannot be easily disassembled and cleaned. After long-term use, impurities will accumulate on the filter, thereby reducing the flow rate of gasoline entering the fuel tank.

[0003] Therefore, those skilled in the art provide a gasoline impurity filtering device to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to improve the deficiencies in the prior art, the utility model provides a gasoline impurity filtering device.

[0005] The utility model provides a gasoline impurity filtering device, which adopts the following technical solutions:

[0006] A gasoline impurity filtering device comprises a filling pipe, wherein a connecting thread edge is fixedly mounted on the upper end of the surface of the filling pipe, a limiting ring is fixedly mounted on the top of the filling pipe, a first filtering mechanism is provided at the bottom of the filling pipe, the first filtering mechanism comprises a diversion main pipe, a first rotary cover and a first filter screen, a second filtering mechanism is provided on the surface of the filling pipe, the second filtering mechanism comprises a branch pipe, a second rotary cover and a second filter screen, a diversion groove is provided in the inner cavity of the filling pipe, and a branch groove is provided on the inner wall of the filling pipe.

[0007] By adopting the above technical solution, the filling pipe can be installed by setting a connecting threaded edge, and the limit ring plays a limiting role. By setting a first filtering mechanism, the gasoline can be filtered. When refueling, the oil gun is inserted into the guide groove, and the first filter can filter the gasoline. By setting a second filtering mechanism, the gasoline can be guided when the first filter is blocked and the liquid level in the filling pipe rises, so that the second filter is used for filtering, thereby avoiding oil overflow during refueling due to blockage of the first filter.

[0008] Optionally, rotating blocks are fixedly mounted on both the left and right sides of the top of the limiting ring, and anti-slip grooves are provided on the surfaces of the rotating blocks.

[0009] By adopting the above technical solution, the rotary block makes it convenient for the user to twist the limit ring.

[0010] Optionally, the flow guide main pipe is communicated with the flow guide groove, the flow guide main pipe is threadedly connected to the first rotary cover, and the first filter is fixedly connected to the first rotary cover.

[0011] By adopting the above technical solution, the diversion main pipe is convenient for guiding gasoline, and unscrewing the first screw cap makes it convenient to clean the first filter.

[0012] Optionally, the branch pipe is communicated with the branch trough, the branch pipe is threadedly connected to the second rotary cover, and the second filter is fixedly connected to the second rotary cover.

[0013] By adopting the above technical solution, the branch pipe can guide the gasoline when the first filter is blocked and the liquid level rises, and the second screw cap can be unscrewed to facilitate cleaning of the second filter.

[0014] Optionally, the second filtering mechanism is in five groups and the number of the branch flow slots is five.

[0015] By adopting the above technical solution, the five groups of second filtering mechanisms correspond to the five branch grooves, which can ensure the circulation of gasoline and avoid gasoline overflow during refueling.

[0016] Optionally, the filling pipe includes an anti-stick coating, a main body layer and a corrosion-resistant coating, the anti-stick coating is located on the inner wall of the main body layer, and the corrosion-resistant coating is located on the outer surface of the main body layer.

[0017] By adopting the above technical solution, the filling pipe is composed of an anti-stick coating, a main layer and a corrosion-resistant coating, so that the filling pipe has good anti-stick and corrosion resistance and high strength.

[0018] Optionally, the anti-stick coating is a nano-ceramic particle layer, the main body layer is a stainless steel layer, and the corrosion-resistant coating is a polyurethane coating.

[0019] By adopting the above technical solution, the nano-ceramic particle layer has good corrosion resistance and prevents gasoline adhesion, the stainless steel layer ensures the strength of the filling pipe, and the polyurethane coating has good corrosion resistance and aging resistance.

[0020] In summary, the present invention has the following beneficial effects:

[0021] 1. The utility model can be installed on the filling pipe by providing a connecting threaded edge, and the disassembly is simple. The limit ring plays a limiting role to prevent it from falling out of the groove. By providing a first filtering mechanism, gasoline can be filtered. When refueling, the oil gun is inserted into the guide groove, and the first filter can filter the gasoline. By providing a second filtering mechanism, the gasoline can be guided when the first filter is blocked and the liquid level in the filling pipe rises, so that the second filter is used for filtering, thereby avoiding oil overflow during refueling due to blockage of the first filter.

[0022] 2. The utility model is convenient for users to twist the limit ring by setting a rotary block. The diversion main pipe is convenient for guiding gasoline. Unscrewing the first rotary cap facilitates cleaning of the first filter. The branch pipe can guide gasoline when the first filter is blocked and the liquid level rises. Unscrewing the second rotary cap facilitates cleaning of the second filter. Five groups of second filtering mechanisms correspond to five branch grooves, which can ensure the circulation of gasoline and avoid gasoline overflow during refueling. The filling pipe is composed of an anti-stick coating, a main layer and a corrosion-resistant coating, so that the filling pipe has good anti-stick and corrosion resistance, and high strength. The nano-ceramic particle layer has good corrosion resistance and prevents gasoline from sticking. The stainless steel layer ensures the strength of the filling pipe. The polyurethane coating has good corrosion resistance and aging resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic structural diagram of the utility model.

[0024] Figure 2 It is a schematic diagram of the main structure of the utility model.

[0025] Figure 3 It is a schematic diagram of the bottom structure of the utility model.

[0026] Figure 4 It is a schematic diagram of the top structure of the utility model.

[0027] Figure 5 It is a schematic diagram of the enlarged structure of a partial cross section of the filling pipe of the utility model.

[0028] Description of reference numerals:

[0029] 1. Filling pipe; 101. Anti-stick coating; 102. Main body layer; 103. Corrosion-resistant coating; 2. Connecting thread edge; 3. Limiting ring; 4. Rotary block; 5. First filter mechanism; 501. Diversion main pipe; 502. First rotary cover; 503. First filter screen; 6. Second filter mechanism; 601. Branch pipe; 602. Second rotary cover; 603. Second filter screen; 7. Diversion trough; 8. Branch trough. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-5 This application is described in further detail.

[0031] Example 1:

[0032] Please refer to Figure 1-4A gasoline impurity filtering device includes a filling pipe 1, a connecting screw edge 2 is fixedly installed on the upper end of the surface of the filling pipe 1, a limit ring 3 is fixedly installed on the top of the filling pipe 1, a first filtering mechanism 5 is provided at the bottom of the filling pipe 1, the first filtering mechanism 5 includes a flow guide main pipe 501, a first screw cover 502 and a first filter screen 503, and a second filtering mechanism 6 is provided on the surface of the filling pipe 1, the second filtering mechanism 6 includes a branch pipe 601, a second screw cover 602 and a second filter screen 603 The inner cavity of the filling pipe 1 is provided with a guide groove 7, and the inner wall of the filling pipe 1 is provided with a branch groove 8. The guide main pipe 501 is connected with the guide groove 7, the guide main pipe 501 is threadedly connected with the first rotary cover 502, the first filter screen 503 is fixedly connected with the first rotary cover 502, the branch pipe 601 is connected with the branch groove 8, the branch pipe 601 is threadedly connected with the second rotary cover 602, the second filter screen 603 is fixedly connected with the second rotary cover 602, the second filtering mechanism 6 is five groups, and there are five branch grooves 8.

[0033] In this embodiment: by setting a connecting screw edge 2, the filling pipe 1 can be installed, and the limit ring 3 plays a limiting role. By setting a first filtering mechanism 5, gasoline can be filtered. By setting a second filtering mechanism 6, the gasoline can be guided when the first filter 503 is blocked and the liquid level in the filling pipe 1 rises, so that the second filter 603 is used for filtering to avoid oil overflow during refueling caused by blockage of the first filter 503. The diversion main pipe 501 is convenient for guiding gasoline. Unscrewing the first screw cap 502 facilitates cleaning of the first filter 503. The branch pipe 601 can guide gasoline when the first filter 503 is blocked and the liquid level rises. Unscrewing the second screw cap 602 facilitates cleaning of the second filter 603. Five groups of second filtering mechanisms 6 correspond to five branch grooves 8, which can ensure the circulation of gasoline and avoid gasoline overflow during refueling.

[0034] Example 2:

[0035] Reference Figure 1 、 Figure 2 、 Figure 4 and Figure 5 , the left and right sides of the top of the limit ring 3 are fixedly installed with a rotary block 4, and the surface of the rotary block 4 is provided with anti-slip grooves, the filling pipe 1 includes an anti-stick coating 101, a main body layer 102 and a corrosion-resistant coating 103, the anti-stick coating 101 is located on the inner wall of the main body layer 102, and the corrosion-resistant coating 103 is located on the outer surface of the main body layer 102, the anti-stick coating 101 is a nano-ceramic particle layer, the main body layer 102 is a stainless steel layer, and the corrosion-resistant coating 103 is a polyurethane coating.

[0036] In this embodiment: the rotary block 4 makes it convenient for the user to twist the limit ring 3, and the filling pipe 1 is composed of an anti-stick coating 101, a main layer 102 and a corrosion-resistant coating 103, so that the filling pipe 1 has good anti-stick and corrosion resistance, and high strength. The nano-ceramic particle layer has good corrosion resistance and prevents gasoline from adhering. The stainless steel layer ensures the strength of the filling pipe 1, and the polyurethane coating has good corrosion resistance and aging resistance.

[0037] The implementation principle of the present utility model is as follows: when in use, the filling pipe 1 is screwed onto the automobile refueling inlet by connecting the screw edge 2, and the filling pipe 1 can be installed or removed by twisting the rotary block 4. When refueling, gasoline enters the diversion main pipe 501 along the guide groove 7, and the first filter 503 can filter the gasoline. When the first filter 503 is blocked, the liquid level of the first screw cap 502 rises until the liquid level reaches the branch groove 8, and the gasoline enters the branch pipe 601 along the branch groove 8. The second filter 603 can filter the gasoline to prevent gasoline from overflowing. The filling pipe 1 is composed of an anti-stick coating 101, a main layer 102 and a corrosion-resistant coating 103, so that the filling pipe 1 has good anti-stick and corrosion resistance, and high strength.

[0038] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A gasoline impurity filtering device, comprising a filling pipe (1), characterized in that: A connecting thread edge (2) is fixedly mounted on the upper end of the surface of the filling pipe (1), a limiting ring (3) is fixedly mounted on the top of the filling pipe (1), a first filtering mechanism (5) is provided at the bottom of the filling pipe (1), the first filtering mechanism (5) comprising a flow guide main pipe (501), a first rotary cover (502) and a first filter screen (503), a second filtering mechanism (6) is provided on the surface of the filling pipe (1), the second filtering mechanism (6) comprising a branch pipe (601), a second rotary cover (602) and a second filter screen (603), a guide groove (7) is provided in the inner cavity of the filling pipe (1), and a branch groove (8) is provided on the inner wall of the filling pipe (1).

2. A gasoline impurity filtering device according to claim 1, characterized in that: Rotary blocks (4) are fixedly mounted on both the left and right sides of the top of the limiting ring (3), and anti-slip grooves are provided on the surface of the rotary blocks (4).

3. A gasoline impurity filtering device according to claim 1, characterized in that: The flow guide main pipe (501) is in communication with the flow guide groove (7), the flow guide main pipe (501) is threadedly connected to the first rotary cover (502), and the first filter screen (503) is fixedly connected to the first rotary cover (502).

4. A gasoline impurity filtering device according to claim 1, characterized in that: The branch pipe (601) is in communication with the branch trough (8), the branch pipe (601) is threadedly connected to the second rotary cover (602), and the second filter screen (603) is fixedly connected to the second rotary cover (602).

5. The gasoline impurity filtering device according to claim 1, characterized in that: The second filtering mechanisms (6) are in five groups, and the branch troughs (8) are in five groups.

6. A gasoline impurity filtering device according to claim 1, characterized in that: The filling pipe (1) comprises an anti-stick coating (101), a main body layer (102) and a corrosion-resistant coating (103), wherein the anti-stick coating (101) is located on the inner wall of the main body layer (102), and the corrosion-resistant coating (103) is located on the outer surface of the main body layer (102).

7. A gasoline impurity filtering device according to claim 6, characterized in that: The anti-stick coating (101) is a nano-ceramic particle layer, the main body layer (102) is a stainless steel layer, and the corrosion-resistant coating (103) is a polyurethane coating.