Fuel filter

Abstract

The fuel filter comprises a top cover and a tank body, the top cover is connected to the top of the tank body in a threaded mode, a fixing frame is fixedly connected to the position, close to the bottom, in the tank body, a second installation groove is formed in the top of the fixing frame, and a first installation groove is formed in the position, located in the center, of the bottom of the top cover. A first mounting groove and a second mounting groove are formed in the tank body, a filter element is mounted between the first mounting groove and the second mounting groove, the filter element is clamped by the top cover and the fixing frame, a scraping assembly for cleaning the inner wall of the tank body is arranged in the tank body, an oil inlet is integrally formed in the top of the top cover, and the oil inlet is communicated with the first mounting groove. According to the fuel oil filter, the filter element can be conveniently and independently replaced, resource waste is reduced, cost is saved, the recycling rate of the fuel oil filter is improved, dirt adhering to the inner wall of the tank body can be scraped and cleaned, and therefore the dirt adhering to the inner wall of the tank body can be reduced, and the service life of the filter element is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel filter technical field especially relates to a fuel filter. BACKGROUND

[0002] ‌Fuel filter, also known as fuel filter, is an important part in the automobile fuel system. It is mainly divided into diesel filter, gasoline filter and natural gas filter three categories. The main function of fuel filter is to filter out solid impurities in fuel, such as soot and compounds, to prevent fuel system from being blocked, especially fuel injection nozzle, thereby reducing the wear of engine parts and ensuring the stable operation of engine.

[0003] Most of the fuel filter is integral, and the internal filter element cannot be replaced when replacing, resulting in waste of resources and low recycling rate. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a fuel filter.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of fuel filter, including top cover and tank body, the top cover is screw-connected at the top of tank body, fixedly connected with fixed frame in the tank body near bottom position, the top of fixed frame is equipped with second installation slot, the bottom of top cover is equipped with first installation slot at the position of center, filter element is installed between first installation slot and second installation slot, so that top cover and fixed frame clamp filter element, the tank body is equipped with scraping assembly for cleaning tank body inner wall, the top of top cover is integrally formed with oil inlet, and oil inlet is communicated with first installation slot, the side of tank body is integrally formed with oil outlet.

[0007] As a further scheme of the utility model, the scraping assembly includes a worm gear, the bottom of the top cover is provided with an annular groove, the worm gear is rotatably connected in the annular groove, the bottom of the worm gear is fixedly connected with a plurality of equidistantly distributed vertical plates, two sliding grooves are formed in the vertical plates, a circular rod is slidably connected in each of the two sliding grooves, one end of the circular rod is fixedly connected with a scraper plate which is in close contact with the inner wall of the tank body, a spring is arranged in the sliding groove, and both ends of the spring are fixedly connected with the circular rod and the vertical plate, respectively, and the top cover is provided with a driving assembly for driving the worm gear to rotate.

[0008] As a further scheme of the utility model, the driving assembly includes a worm, a rotating hole is formed in one side of the top cover and communicated with the annular groove, the worm is rotatably connected in the rotating hole, and the worm is engaged with the worm gear.

[0009] As a further scheme of the present utility model, the annular groove is located outside the first mounting groove.

[0010] As a further scheme of the present utility model, the worm is fixedly connected with a knob at one end for rotating the worm.

[0011] As a further scheme of the present utility model, the bottom of the tank body is fixedly connected with a blowdown pipe in communication with the inside of the tank body at a position in the center.

[0012] As a further scheme of the present utility model, the bottom end of the blowdown pipe is threadedly connected with an end cover for closing the blowdown pipe, and one side of the blowdown pipe is provided with a transparent window.

[0013] The present utility model has the advantages of:

[0014] 1. In the present utility model, the fuel filter is designed into a detachable structure composed of a top cover and a tank body, so that the top cover and the tank body can be separated, the filter element can be taken out from the tank body for replacement, the filter element can be individually replaced, resource waste is reduced, cost is saved, and the recycling rate of the fuel filter is improved.

[0015] 2. In the present utility model, the setting of the scraping assembly can scrape and clean the dirt adhered to the inner wall of the tank body, so that the dirt adhered to the inner wall of the tank body is reduced, and the service life of the filter element is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front side three-dimensional structure schematic view of the fuel filter proposed in the present utility model;

[0017] Figure 2 It is a tank body cross-sectional structure schematic view of the fuel filter proposed in the present utility model;

[0018] Figure 3 It is an overall split structure schematic view of the fuel filter proposed in the present utility model;

[0019] Figure 4 It is a local enlarged structure schematic view of the fuel filter proposed in the present utility model.

[0020] In the drawing: 1, oil outlet; 2, top cover; 3, tank body; 4, end cover; 5, oil inlet; 6, worm wheel; 7, worm; 8, knob; 9, transparent window; 10, first mounting groove; 11, filter element; 12, fixing frame; 13, second mounting groove; 14, scraper; 15, round rod; 16, vertical plate; 17, spring; 18, sliding slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0022] With reference to Figures 1-4 The fuel filter comprises a top cover 2 and a tank body 3, the top cover 2 is threadedly connected at the top of the tank body 3, a fixing frame 12 is welded at a position close to the bottom in the tank body 3, a second mounting groove 13 is formed at the top of the fixing frame 12, a first mounting groove 10 is formed at the bottom of the top cover 2 at a position in the center, a filter core 11 is mounted between the first mounting groove 10 and the second mounting groove 13, the top cover 2 and the fixing frame 12 clamp the filter core 11, a scraping assembly for cleaning the inner wall of the tank body 3 is arranged in the tank body 3, an oil inlet 5 is integrally formed at the top of the top cover 2 and is in communication with the first mounting groove 10, an oil outlet 1 is integrally formed at one side of the tank body 3, when replacement is needed, the top cover 2 is detached from the tank body 3, so that the top cover 2 no longer clamps the filter core 11, at this time, the filter core 11 can be detached from the tank body 3, the fuel filter is designed as a detachable structure composed of the top cover 2 and the tank body 3, so that the top cover 2 and the tank body 3 can be separated, the filter core 11 can be taken out from the tank body 3 for replacement, thereby the filter core 11 can be replaced individually, the waste of resources is reduced, the cost is saved, and the recycling rate of the fuel filter is improved.

[0023] The utility model discloses a scraping assembly is arranged in the top cover 2, and the scraping assembly is used for scraping the dirt adhered to the inner wall of the tank body 3, and the scraping assembly comprises a worm wheel 6, the bottom of the top cover 2 is provided with a ring groove, the worm wheel 6 is rotatably connected in the ring groove, the bottom of the worm wheel 6 is welded with a plurality of equidistant distribution riser plates 16, two sliding grooves 18 are formed in the riser plate 16, two circular rods 15 are slidably connected in the sliding groove 18, one end of the circular rod 15 is welded with a scraper 14 that is combined with the inner wall of the tank body 3 through the riser plate 16, a spring 17 is arranged in the sliding groove 18, and the both ends of the spring 17 are fixed with the circular rod 15 and the riser plate 16 respectively, the top cover 2 is provided with a driving assembly that drives the worm wheel 6 to rotate, the driving assembly comprises a worm 7, one side of the top cover 2 is provided with a rotating hole that is communicated with the ring groove, the worm 7 is rotatably connected in the rotating hole, and the worm 7 is engaged with the worm wheel 6, and in the process of using the fuel filter, the worm 7 can be rotated, the worm 7 drives the worm wheel 6 to rotate through the engagement with the worm wheel 6, the worm wheel 6 drives the riser plate 16 to rotate, the riser plate 16 drives the scraper 14 to rotate through the circular rod 15, the scraper 14 scrapes and cleans the dirt adhered to the inner wall of the tank body 3, thereby the dirt adhered to the inner wall of the tank body 3 can be reduced, the service life of the filter element 11 is improved, and the scraper 14 is combined with the inner wall of the tank body 3 under the action of the spring 17, thereby the scraper 14 can better scrape and clean the inner wall of the tank body 3, the ring groove is located at the outside of the first installation groove 10, one end of the worm 7 is welded with a knob 8 that is used for rotating the worm 7, the bottom of the tank body 3 is welded with a blow-off pipe that is communicated with the inside of the tank body 3 at the position of the center, the bottom end of the blow-off pipe is threadedly connected with an end cover 4 that is used for closing the blow-off pipe, the dirt cleaned on the inner wall of the tank body 3 can be discharged from the tank body 3 through the blow-off pipe, one side of the blow-off pipe is provided with a transparent window 9, and the transparent window 9 can be used for observing the accumulation amount of the dirt in the blow-off pipe.

[0024] Working principle: when needing to be replaced, the top cover 2 is detached from the tank body 3, so that the top cover 2 no longer clamps the filter element 11, at this moment, the filter element 11 can be detached from the tank body 3, the fuel filter is designed into the detachable structure that is composed of the top cover 2 and the tank body 3, so that the top cover 2 and the tank body 3 can be separated, the filter element 11 is taken out from the tank body 3 to be replaced, thereby the filter element 11 can be replaced individually, the waste of resources is reduced, the cost is saved, and the recycling rate of the fuel filter is improved.

[0025] In addition, the terms "mount", "set", "connect", "socket" should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or internal communication between two devices, elements or components. The specific meaning of the above terms in this application can be understood by those skilled in the art according to the specific circumstances.

Claims

1. A fuel filter, comprising a top cover (2) and a canister (3), characterized in that, The top cover (2) is threaded to the top of the tank body (3). A fixing bracket (12) is fixedly connected to the bottom of the tank body (3). A second mounting groove (13) is opened on the top of the fixing bracket (12). A first mounting groove (10) is opened at the center of the bottom of the top cover (2). A filter element (11) is installed between the first mounting groove (10) and the second mounting groove (13), so that the top cover (2) and the fixing bracket (12) clamp the filter element (11). A scraping component for cleaning the inner wall of the tank body (3) is provided inside the tank body (3). An oil inlet (5) is integrally formed on the top of the top cover (2), and the oil inlet (5) is connected to the first mounting groove (10). An oil outlet (1) is integrally formed on one side of the tank body (3).

2. A fuel filter according to claim 1, characterized in that, The scraping assembly includes a worm gear (6). The bottom of the top cover (2) is provided with an annular groove. The worm gear (6) is rotatably connected in the annular groove. The bottom of the worm gear (6) is fixedly connected with a plurality of equally spaced vertical plates (16). Two sliding grooves (18) are provided in the vertical plates (16). A round rod (15) is slidably connected in both sliding grooves (18). One end of the round rod (15) passes through the vertical plate (16) and is fixedly connected to a scraper (14) that fits against the inner wall of the tank (3). A spring (17) is provided in the sliding groove (18), and the two ends of the spring (17) are fixed to the round rod (15) and the vertical plate (16) respectively. The top cover (2) is provided with a drive assembly for driving the worm gear (6) to rotate.

3. A fuel filter according to claim 2, characterized in that, The drive assembly includes a worm (7), and a rotating hole communicating with an annular groove is provided on one side of the top cover (2). The worm (7) is rotatably connected in the rotating hole, and the worm (7) meshes with the worm wheel (6).

4. A fuel filter according to claim 3, characterized in that, The annular groove is located outside the first mounting groove (10).

5. A fuel filter according to claim 3, characterized in that, One end of the worm (7) is fixedly connected to a knob (8) for rotating the worm (7).

6. A fuel filter according to claim 1, characterized in that, The bottom of the tank (3) is fixedly connected to the center position of the drain pipe, which is connected to the inside of the tank (3).

7. A fuel filter according to claim 6, characterized in that, The bottom end of the sewage pipe is threaded with an end cap (4) to seal the sewage pipe, and a transparent window (9) is provided on one side of the sewage pipe.

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