CN212958912U

CN212958912U - Long-acting fuel filter

Info

Publication number: CN212958912U
Application number: CN202021203183.4U
Authority: CN
Inventors: 窦武; 李印乐
Original assignee: Linhai Jiangnan Filter Co ltd
Current assignee: Taizhou Jiangnan Filter Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-13
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a long-acting fuel filter, which comprises a shell, wherein a grid type central tube is arranged at the middle position in the shell, a filter layer is sleeved outside the grid type central tube in an annular shape, a lower cover connecting ring is arranged at the right end of the filter layer, a lower cover connecting ring is spliced at the right end of the grid type central tube, the lower cover connecting ring is clamped in the right side of the shell, an upper end cover is arranged at the left end of the filter layer, the grid type central tube is clamped at the right end of the upper end cover, a water repellent component is arranged in the left side of the grid type central tube, a flange plate with at least two inlet through grooves is arranged at the left end of the upper end cover, an annular gland is clamped at the left end edge position of the flange plate and is fixedly connected at the left end of the shell, the design can filter unfiltered fuel through the filter layer, and then discharge water in, the realization filters the drainage to the fuel, promotes the follow-up combustion efficiency of fuel, increases life.

Description

Long-acting fuel filter

Technical Field

The utility model relates to a long-term oil filter that fires belongs to and fires oil filter technical field.

Background

The fuel filter is connected in series on a pipeline between the fuel pump and an oil inlet of the throttle valve body, and has the functions of removing solid impurities such as iron oxide, dust and the like contained in fuel oil, preventing a fuel oil system from being blocked (particularly a fuel spray nozzle), reducing mechanical abrasion, ensuring stable operation of an engine and improving reliability. The structure of the fuel filter in the prior art is composed of an aluminum shell and a support with stainless steel inside, and the support is provided with high-efficiency filter paper sheets, but the fuel oil often contains water which can not be separated, so that the corrosion probability of subsequent connecting parts can be increased, the service life is influenced, and the subsequent combustion efficiency of the fuel oil is also influenced, therefore, the long-acting fuel filter is required to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a long-term fuel filter to often can contain water in solving the fuel that proposes in the above-mentioned background art, these water can't be separated, can increase follow-up connecting part's corrosion probability, influence life's problem, the utility model discloses the realization filters the drainage to the fuel, promotes the follow-up combustion efficiency of fuel, increases life.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a long-acting fuel filter comprises a shell, a grid-type central pipe is arranged in the middle of the inside of the shell, the grid type central pipe is sleeved with a filter layer at the annular outer side, the filter layer is positioned in the shell, the right end of the filter layer is provided with a lower cover connecting ring and extends into the lower cover connecting ring, the right end of the grid type central tube is inserted with a lower cover connecting ring which is clamped inside the right side of the shell, the left end of the filtering layer is provided with an upper end cover and extends into the upper end cover, the right end of the upper end cover is clamped with a grid type central pipe, a water repelling component is arranged inside the left side of the grid type central pipe and clamped in the middle of the right end of the upper end cover, the left end of the upper end cover is provided with a flange plate with at least two inlet through grooves, the flange plate is positioned in the shell, the edge position of the left end of the flange plate clamps the annular gland and the annular gland is fixedly connected to the left end of the shell.

Furthermore, a first sealing ring is arranged at the right end of the lower cover connecting ring and is positioned on the right wall inside the shell, a groove is formed in the edge of the left end of the annular gland, and a second sealing ring is assembled in the groove.

Furthermore, a first clamping groove is formed in the middle of the right end of the upper end cover, and the left end of the water repellent component extends into the first clamping groove and is clamped with the first clamping groove.

Furthermore, the middle position of the left end of the upper end cover is fixedly connected with a first insertion cylinder, the middle position of the right end of the flange plate is fixedly connected with a second insertion cylinder, the second insertion cylinder is located at the first insertion cylinder, a third sealing ring is sleeved on the annular outer side of the second insertion cylinder, and the third sealing ring is located at the left end of the first insertion cylinder.

Furthermore, the inner edge of the right end of the annular gland is fixedly connected with at least two folding plates at equal intervals, and the folding plates penetrate through the inlet through grooves and are attached to the right end face of the flange plate.

Further, annular gland annular outer end fixed connection second U type ring board, the first U type ring board of shell left end edge position fixed connection and first U type ring board department are inside second U type ring board, the inside equidistance of first U type ring board sets up the nut that a plurality of is the annular and arranges, second U type ring board annular outer end equidistance sets up a plurality of bolt, and the bolt pass first U type ring board and second U type ring board and with nut threaded connection.

Further, the annular gland and the second U-shaped circular ring plate are of an integrated structure, and the shell and the first U-shaped circular ring plate are of an integrated structure.

The utility model has the advantages that: the utility model discloses a long-term fuel filter.

1. The inlet through groove through the flange plate enters the cavity formed by the shell and the filter layer, the filter layer can filter unfiltered fuel, the water in the fuel is discharged by the water repelling assembly, the discharged water is discharged through the lower cover connecting ring, the fuel is filtered and drained, the subsequent combustion efficiency of the fuel is improved, and the service life is prolonged.

2. The restriction of the first U-shaped circular ring plate and the second U-shaped circular ring plate is removed through the bolts and the nuts, the second U-shaped circular ring plate is pulled out from the first U-shaped circular ring plate, the annular gland is quickly disassembled and assembled, parts in the shell are conveniently disassembled and assembled, and maintenance and replacement are convenient.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a long-acting fuel filter of the present invention;

FIG. 2 is a schematic view of an embodiment of a long-acting fuel filter according to the present invention;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of another embodiment of a long-acting fuel filter according to the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure: the water repellent structure comprises a shell 1, a lower cover connecting ring 2, a grid type central pipe 3, an upper end cover 4, an annular gland 5, a flange 6, a water repellent component 7, a filter layer 8, a first U-shaped annular plate 11, a nut 12, a bolt 13, a first sealing ring 14, a first clamping groove 41, a first inserting cylinder 42, a second sealing ring 51, a folding plate 52, a second U-shaped annular plate 53, a second inserting cylinder 61, an inlet through groove 62 and a third sealing ring 63.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Embodiment 1, please refer to fig. 1-3, the present invention provides a technical solution: a long-acting fuel filter comprises a shell 1, a grid type central tube 3 is arranged in the middle of the inside of the shell 1, a carrier for installing a filter layer 8 is realized through the grid type central tube 3, a filter layer 8 is sleeved on the outer annular side of the grid type central tube 3, the filter layer 8 is positioned in the shell 1, fuel is filtered through the filter layer 8, a lower cover connecting ring 2 is arranged at the right end of the filter layer 8 and extends into a lower cover connecting ring 2, water is discharged through the lower cover connecting ring 2, the right end of the grid type central tube 3 is inserted into the lower cover connecting ring 2, the lower cover connecting ring 2 is clamped in the right side of the shell 1, an upper end cover 4 is arranged at the left end of the filter layer 8 and extends into the upper end cover 4, the grid type central tube 3 is clamped at the right end of the upper end cover 4, the grid type central tube 3 is installed through the upper end cover 4 and the lower cover connecting ring 2, a water repellent assembly 7 is arranged in the, the left end of the upper end cover 4 is provided with a flange 6 with at least two inlet through grooves 62, the flange 6 is positioned inside the shell 1, the edge of the left end of the flange 6 is clamped with an annular gland 5, and the annular gland 5 is fixedly connected to the left end of the shell 1.

Specifically, unfiltered fuel enters a cavity formed by the shell 1 and the filter layer 8 through the inlet through groove 62 of the flange plate 6, then the unfiltered fuel penetrates through the filter layer 8 and enters the grid-type central tube 3, the filter layer 8 can filter the unfiltered fuel, then the filtered fuel enters the water repellent assembly 7, water in the fuel is discharged through the water repellent assembly 7, the clean filtered fuel passes through the water repellent assembly 7 and is then conveyed out through the middle of the flange plate 6, and the discharged water is discharged through the lower cover connecting ring 2, so that the fuel is filtered and discharged, the subsequent combustion efficiency of the fuel is improved, and the service life of the filter layer 8 is prolonged.

The right end of the lower cover connecting ring 2 is provided with a first sealing ring 21, the first sealing ring 21 is located on the right wall inside the shell 1, a groove is formed in the position of the left end edge of the annular gland 5, and a second sealing ring 51 is assembled in the groove, specifically, the sealing of the left end and the right end of the shell 1 after the shell 1 is installed is realized through the first sealing ring 21 and the second sealing ring 51.

A first clamping groove 41 is formed in the middle of the right end of the upper end cover 4, the left end of the water repellent component 7 extends into the first clamping groove 41 and is clamped with the first clamping groove 41, and specifically, the upper end cover 4 and the water repellent component 7 are fastened and mounted through the first clamping groove 41.

The middle position of the left end of the upper end cover 4 is fixedly connected with a first inserting cylinder 42, the middle position of the right end of the flange plate 6 is fixedly connected with a second inserting cylinder 61, the second inserting cylinder 61 is positioned at the first inserting cylinder 42, the annular outer side of the second inserting cylinder 61 is sleeved with a third sealing ring 63, the third sealing ring 63 is positioned at the left end of the first inserting cylinder 42, specifically, the upper end cover 4 and the flange plate 6 are inserted and installed through the first inserting cylinder 42 and the second inserting cylinder 61, and the first inserting cylinder 42 and the second inserting cylinder 61 are hermetically connected through the third sealing ring 63.

At least two folded sheets 52 are fixedly connected to the inner edge of the right end of the annular gland 5 at equal intervals, the folded sheets 52 penetrate through the inlet through groove 62 and are attached to the right end face of the flange 6, and specifically, the annular gland 5 and the flange 6 are fastened and installed through the folded sheets 52.

Embodiment 2, please refer to fig. 4-5, the annular outer end of the annular gland 5 is fixedly connected with the second U-shaped annular plate 53, the left end edge of the housing 1 is fixedly connected with the first U-shaped annular plate 11 and the first U-shaped annular plate 11 is located inside the second U-shaped annular plate 53, a plurality of nuts 12 arranged annularly are arranged in the first U-shaped annular plate 11 at equal intervals, a plurality of bolts 13 are arranged at equal intervals at the annular outer end of the second U-shaped annular plate 53, and the bolts 13 pass through the first U-shaped annular plate 11 and the second U-shaped annular plate 53 and are in threaded connection with the nuts 12.

Specifically, the bolt 13 is rotated, and due to the threaded connection of the bolt 13 and the nut 12, the bolt 13 is rotated to separate the bolt 13 from the nut 12, then the bolt 13 is taken out, the limitation of the first U-shaped annular plate 11 and the second U-shaped annular plate 53 is removed, then the second U-shaped annular plate 53 is pulled out from the first U-shaped annular plate 11, the annular gland 5 is quickly disassembled and assembled, the parts in the shell 1 are conveniently disassembled and assembled, and the maintenance and the replacement are convenient.

Annular gland 5 is integral structure with second U type ring plate 53, and shell 1 is integral structure with first U type ring plate 11, specifically, the production of being convenient for.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A long-acting fuel filter is characterized in that: the water repellent device comprises a shell (1), a grid type central tube (3) is arranged in the middle of the inside of the shell (1), a filter layer (8) is sleeved on the outer annular side of the grid type central tube (3), the filter layer (8) is located inside the shell (1), a lower cover connecting ring (2) is arranged at the right end of the filter layer (8) and extends into the lower cover connecting ring (2), the lower cover connecting ring (2) is inserted into the right end of the grid type central tube (3), the lower cover connecting ring (2) is clamped inside the right side of the shell (1), an upper end cover (4) is arranged at the left end of the filter layer (8) and extends into the upper end cover (4), the grid type central tube (3) is clamped at the right end of the upper end cover (4), a water repellent component (7) is arranged inside the left side of the grid type central tube (3) and a water repellent component (7) is clamped in the middle of the right end of the upper end cover (4), a flange (6) with at least two inlets (62 6) The flange is positioned in the shell (1), the edge of the left end of the flange (6) is clamped with the annular gland (5), and the annular gland (5) is fixedly connected to the left end of the shell (1).

2. The long-acting fuel filter of claim 1, wherein: the lower cover connecting ring (2) is provided with a first sealing ring (21) at the right end, the first sealing ring (21) is located on the right wall inside the shell (1), and a groove is formed in the edge position of the left end of the annular gland (5) and a second sealing ring (51) is assembled in the groove.

3. The long-acting fuel filter of claim 1, wherein: a first clamping groove (41) is formed in the middle of the right end of the upper end cover (4), and the left end of the water repellent component (7) extends into the first clamping groove (41) and is clamped with the first clamping groove (41).

4. The long-acting fuel filter of claim 1, wherein: the upper end cover (4) is fixedly connected with a first inserting cylinder (42) at the middle position of the left end, the flange plate (6) is fixedly connected with a second inserting cylinder (61) at the middle position of the right end, the second inserting cylinder (61) is located at the first inserting cylinder (42), and a third sealing ring (63) is sleeved on the annular outer side of the second inserting cylinder (61) and the third sealing ring (63) is located at the left end of the first inserting cylinder (42).

5. The long-acting fuel filter of claim 1, wherein: annular gland (5) right-hand member inward flange equidistance fixed connection two at least folded sheet (52), folded sheet (52) run through import logical groove (62) and the laminating is in ring flange (6) right-hand member face.

6. The long-acting fuel filter of claim 1, wherein: annular gland (5) annular outer end fixed connection second U type ring board (53), shell (1) left end edge position fixed connection first U type ring board (11) and first U type ring board (11) locate inside second U type ring board (53), first U type ring board (11) inside equidistance sets up nut (12) that a plurality of is the annular and arranges, second U type ring board (53) annular outer end equidistance sets up a plurality of bolt (13), and bolt (13) pass first U type ring board (11) and second U type ring board (53) and with nut (12) threaded connection.

7. The long-acting fuel filter of claim 6, wherein: annular gland (5) are integral structure with second U type ring board (53), shell (1) are integral structure with first U type ring board (11).