CN215719168U

CN215719168U - Filter screen of fuel filter

Info

Publication number: CN215719168U
Application number: CN202121985598.6U
Authority: CN
Inventors: 徐晓波
Original assignee: Particle Filter Technology Shanghai Co ltd
Current assignee: Particle Filter Technology Shanghai Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-01
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a fuel filter screen, which relates to the technical field of filter screens and comprises a shell and a filter assembly, wherein the circumferential outer wall of an upper port of the shell is fixedly connected with an upper connecting ring, a top cover is arranged above the shell, the center of the top cover is movably connected with a connecting rod, the middle part of the top cover is provided with a filter hole, a bottom plate is arranged below the shell, the bottom end of the connecting rod is rotatably connected with the upper part of the bottom plate through threads, the filter assembly is detachably connected to the circumferential outer wall of the connecting rod, and the filter assembly comprises a primary filter layer, an active carbon filter layer and a depth filter layer. The utility model is convenient to disassemble the filter, and can disassemble, clean or replace the filter screen in the filter, thereby improving the filtering effect.

Description

Filter screen of fuel filter

Technical Field

The utility model relates to the technical field of filter screens, in particular to a filter screen of a fuel filter.

Background

The filter, which is an accessory for filtering impurities or gas through filter paper, generally refers to an automobile filter, is an accessory for an engine, and is divided into: oil filters, fuel filters, air conditioning filters, and the like.

At present, the filter screen of the fuel filter in the market comprises a filter and a filter screen inside the filter, and the filter screen inside the filter are of an integrated structure to filter impurities in fuel.

But the filter screen can not be dismantled, and when the mesh of filter screen was blockked up by impurity in the diesel oil and is leaded to not filtering, be difficult to clear up filter screen and impurity, need directly change the filter, the replacement cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a filter screen of a fuel filter. Its advantage lies in convenient to detach filter, dismantles the clearance or changes the filter screen of filter inside, improves the filter effect.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a fuel filter screen, includes casing and filtering component, the go-between on the circumference outer wall fixedly connected with of port on the casing, the casing top is equipped with the top cap, the center swing joint of top cap has the connecting rod, the filtration pore has been seted up at the middle part of top cap, the casing below is equipped with the bottom plate, the bottom of connecting rod is rotated with the upper portion screw thread of bottom plate and is connected, filtering component can dismantle the connection on the circumference outer wall of connecting rod, filtering component includes primary filter layer, active carbon filter layer and degree of depth filter layer.

Through the technical scheme: during the use, cover the top cap on the upper end opening of casing, take out degree of depth filter layer, active carbon filter layer and preliminary filter layer and wear to establish in proper order on the circumference outer wall of connecting rod, take out the bottom plate, rotate the bottom plate and make the bottom screw thread rotation of bottom plate and connecting rod be connected, the bottom plate is held to one hand, and the connecting block is held to another hand, rotates the connecting block for the connecting rod rotates, finally makes zonulae occludens between top cap, casing and the bottom plate.

The utility model is further provided that the outer wall of the circumference of the bottom of the connecting rod is provided with a thread, and the center of the upper part of the bottom plate is provided with a threaded hole.

Through the technical scheme: the connecting rod is convenient to rotate, so that the bottom plate is in threaded connection with the connecting rod, and the mounting and the dismounting are convenient.

The utility model is further provided that the top end of the connecting rod is fixedly connected with a connecting block, and the shape of the connecting block is a regular hexagon structure.

Through the technical scheme: the connecting block of regular hexagon structure does benefit to and holds the connecting block and makes the connecting rod rotate, is convenient for install or dismantle.

The utility model is further provided that the circumferential outer walls of the preliminary filter layer, the activated carbon filter layer and the depth filter layer are all fixedly connected with rubber sealing rings, the middle parts of the preliminary filter layer, the activated carbon filter layer and the depth filter layer are all provided with connecting holes, the inner walls of the connecting holes are fixedly connected with rubber wear-resistant layers, and the connecting holes of the rubber wear-resistant layers are fixedly connected with the inner walls by the rubber sealing rings.

Through the technical scheme: so that the filtering component and the circumferential outer wall of the connecting rod and the inner wall of the shell can be in sealing connection.

The utility model is further provided that the outer wall of the upper part of the upper connecting ring is provided with an annular limiting groove, the outer wall of the bottom of the top cover is fixed with a limiting ring, and the limiting ring can be embedded in the annular limiting groove.

Through the technical scheme: the limit ring is embedded in the annular limit groove, so that the top cover and the shell are connected more tightly, and the sealing effect is good.

The utility model is further arranged in that the circumferential outer wall of the bottom end of the bottom plate is fixedly connected with a lower connecting ring, and the outer wall of the lower part of the lower connecting ring is fixedly connected with a rubber sealing gasket.

Through the technical scheme: the rubber sealing gasket is utilized, so that the bottom plate is attached to the lower connecting ring more tightly, and the sealing effect is improved.

The utility model is further arranged such that the diameter of the lower connecting ring is equal to the diameter of the bottom plate.

Through the technical scheme: the contact area of the lower connecting ring and the bottom plate is increased, and the sealing effect is improved.

The utility model is further arranged such that the diameter of the top cover is equal to the diameter of the upper connecting ring.

Through the technical scheme: the contact area between the top cover and the connecting ring is increased, and the sealing effect is improved.

The utility model has the beneficial effects that:

1. this be used for fuel filter screen, with the top cap lid on the upper end opening of casing, take out the degree of depth filter layer, activated carbon filter layer and preliminary filter layer wear to establish in proper order on the circumference outer wall of connecting rod, take out the bottom plate, the rotation bottom plate makes the bottom plate be connected with the bottom screw thread rotation of connecting rod, the bottom plate is held to one hand, the connecting block is held to the other hand, the rotation connecting block for the connecting rod rotates, finally makes zonulae occludens between top cap, casing and the bottom plate.

2. This be used for fuel filter screen, the equal fixedly connected with rubber seal ring of circumference outer wall of preliminary filter layer, active carbon filter layer and degree of depth filter layer, and the connecting hole has all been seted up at the middle part, the connecting hole of rubber seal ring and inner wall fixedly connected with rubber wearing layer is utilized to the inner wall fixedly connected with rubber wearing layer of connecting hole for filter assembly and the circumference outer wall and the shells inner wall homoenergetic sealing connection of connecting rod.

3. This be used for fuel filter screen, the annular spacing groove has been seted up to the upper portion outer wall of going up the go-between, the bottom outer wall of top cap is fixed with the spacing ring, but the spacing ring gomphosis is at annular spacing inslot, utilizes the spacing ring gomphosis at annular spacing inslot, makes to be connected more closely between top cap and the casing, and is sealed effectual.

Drawings

FIG. 1 is a schematic perspective view of a filter screen of a fuel filter according to the present invention;

FIG. 2 is a schematic diagram of an explosion structure of a protruding top cover of a filter screen of a fuel filter according to the present invention;

FIG. 3 is a schematic diagram of an explosion structure of a filter screen of a fuel filter according to the present invention;

fig. 4 is a schematic structural diagram of a filter assembly of a filter screen of a fuel filter according to the present invention.

In the figure: 1. a housing; 2. a top cover; 3. a base plate; 4. an upper connecting ring; 5. an annular limiting groove; 6. a limiting ring; 7. connecting blocks; 8. a connecting rod; 9. a filtration pore; 10. a lower connecting ring; 11. a preliminary filtering layer; 12. an activated carbon filter layer; 13. a depth filtration layer; 14. a rubber seal ring; 15. connecting holes; 16. a rubber gasket is provided.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a fuel filter screen comprises a shell 1 and a filter assembly, an upper connecting ring 4 is fixedly connected to the circumferential outer wall of an upper port of the shell 1, a top cover 2 is arranged above the shell 1, a connecting rod 8 is movably connected to the center of the top cover 2, a filter hole 9 is formed in the middle of the top cover 2, a bottom plate 3 is arranged below the shell 1, the bottom end of the connecting rod 8 is rotatably connected with the upper portion thread of the bottom plate 3, the filter assembly is detachably connected to the circumferential outer wall of the connecting rod 8, and the filter assembly comprises a primary filter layer 11, an activated carbon filter layer 12 and a depth filter layer 13.

It should be noted that, in this embodiment, the bottom circumference outer wall of connecting rod 8 is threaded, and the upper portion central point of bottom plate 3 puts threaded hole, is convenient for rotate connecting rod 8 and makes

bottom plate

3 and 8 threaded connection of connecting rod, convenient to install and dismantle.

Further, in this embodiment, the top fixedly connected with connecting block 7 of connecting rod 8, the shape of connecting block 7 is regular hexagon structure, and connecting block 7 of regular hexagon structure does benefit to and holds connecting block 7 and makes connecting rod 8 rotate, the installation or the dismantlement of being convenient for.

In one embodiment, the outer walls of the circumference of the primary filter layer 11, the activated carbon filter layer 12 and the depth filter layer 13 are all fixedly connected with a rubber sealing ring 14, the middle part of the outer wall is provided with a connecting hole 15, the inner wall of the connecting hole 15 is fixedly connected with a rubber wear-resistant layer, and the rubber sealing ring 14 and the connecting hole 15 of the inner wall fixedly connected with a rubber wear-resistant layer are utilized, so that the filter assembly can be hermetically connected with the outer wall of the circumference of the connecting rod 8 and the inner wall of the shell 1.

In one embodiment, the upper outer wall of the upper connecting ring 4 is provided with an annular limiting groove 5, the bottom outer wall of the top cover 2 is fixed with a limiting ring 6, the limiting ring 6 can be embedded in the annular limiting groove 5, and the limiting ring 6 is embedded in the annular limiting groove 5, so that the top cover 2 and the shell 1 are connected more tightly, and the sealing effect is good.

In one embodiment, the lower connecting ring 10 is fixedly connected to the outer circumferential wall of the bottom end of the bottom plate 3, the rubber gasket 16 is fixedly connected to the outer lower wall of the lower connecting ring 10, and the bottom plate 3 and the lower connecting ring 10 are attached more tightly by the rubber gasket 16, so that the sealing effect is improved.

In one embodiment, the diameter of the lower connection ring 10 is equal to the diameter of the bottom plate 3, so that the contact area between the lower connection ring 10 and the bottom plate 3 is increased, and the sealing effect is improved.

In one embodiment, the diameter of the top cover 2 is equal to that of the upper connecting ring 4, so that the contact area between the top cover 2 and the upper connecting ring 4 is increased, and the sealing effect is improved.

The working principle is as follows: during the use, cover top cap 2 on the upper end opening of casing 1, take out degree of depth filter layer 13, activated carbon filter layer 12 and preliminary filter layer 11 wear to establish in proper order on the circumference outer wall of connecting rod 8, take out bottom plate 3, it makes bottom plate 3 and connecting rod 8's bottom screw thread rotation be connected to rotate bottom plate 3, bottom plate 3 is held to one hand, connecting block 7 is held to the other hand, rotate connecting block 7, make connecting rod 8 rotate, finally make top cap 2, zonulae occludens between casing 1 and the bottom plate 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a fuel filter screen, includes casing (1) and filtering component, its characterized in that, go up go-between (4) of circumference outer wall fixedly connected with of port on casing (1), casing (1) top is equipped with top cap (2), the center swing joint of top cap (2) has connecting rod (8), filtration pore (9) have been seted up at the middle part of top cap (2), casing (1) below is equipped with bottom plate (3), the bottom of connecting rod (8) is rotated with the upper portion screw thread of bottom plate (3) and is connected, filtering component can dismantle the connection on the circumference outer wall of connecting rod (8), filtering component includes preliminary filter layer (11), active carbon filter layer (12) and degree of depth filter layer (13).

2. A fuel filter screen according to claim 1, characterised in that the diameter of the top cover (2) is equal to the diameter of the upper connecting ring (4).

3. The fuel filter screen according to claim 1, wherein the upper outer wall of the upper connecting ring (4) is provided with an annular limiting groove (5), the outer wall of the bottom of the top cover (2) is fixed with a limiting ring (6), and the limiting ring (6) can be embedded in the annular limiting groove (5).

4. The fuel filter screen according to claim 1, wherein the circumferential outer wall of the bottom end of the bottom plate (3) is fixedly connected with a lower connecting ring (10), and the lower outer wall of the lower connecting ring (10) is fixedly connected with a rubber gasket (16).

5. The fuel filter screen according to claim 1, wherein the outer wall of the bottom circumference of the connecting rod (8) is threaded, and the center of the upper part of the bottom plate (3) is provided with a threaded hole.

6. The fuel filter screen according to claim 1, wherein the top end of the connecting rod (8) is fixedly connected with a connecting block (7), and the connecting block (7) is in a regular hexagon structure.

7. A fuel filter screen according to claim 4, characterised in that the diameter of the lower connecting ring (10) is equal to the diameter of the base plate (3).

8. The fuel filter screen according to claim 1, wherein the outer circumferential walls of the primary filter layer (11), the activated carbon filter layer (12) and the depth filter layer (13) are all fixedly connected with rubber sealing rings (14), the middle parts of the primary filter layer, the activated carbon filter layer and the depth filter layer are all provided with connecting holes (15), and the inner walls of the connecting holes (15) are fixedly connected with rubber wear-resistant layers.