CN212774565U - Fuel supply device of suction filter - Google Patents

Abstract

The utility model discloses a fuel feeding device of an inhalation filter, which belongs to the field of filters and comprises a shell, wherein the lower end of the shell is connected with a lower end cover through screw thread rotation, the upper end of the shell is connected with an upper end cover through screw thread rotation, the lower end of the upper end cover is fixedly connected with a first annular sleeve, the lower end of the upper end cover is fixedly connected with a second annular sleeve, the interiors of the first annular sleeve and the second annular sleeve are respectively connected with a sealing ring in a sliding and clamping way, through the connection of a first spring and a pressing plate with a first cleaning brush, the connection of a second spring and an annular plate with a second cleaning brush, the cleaning of a thin filter cylinder and a thick filter cylinder is convenient during use, the defect caused by the direct accumulation of dirt at the bottom of the inner sides of the thin filter cylinder and the thick filter cylinder is avoided, and through the arrangement of the lower end cover and the upper end cover, the arrangement of the first annular, the disadvantage that dirt is piled up in the inside of casing and is brought is avoided.

Description

Fuel supply device of suction filter

Technical Field

The utility model relates to a filter field, more specifically say, relate to a fuel of suction filter supplies send device.

Background

The filter is a filter that filters impurities or gas through filter paper. Generally referred to as an automobile filter, is an accessory of an engine. The method is divided into the following steps according to different filtering functions: oil filters, fuel filters (gasoline filters, diesel filters, oil-water separators, hydraulic filters), air filters, air-conditioning filters, and the like. The engine has three filters of air, engine oil and fuel oil, generally called three filters, and an air-conditioning filter, commonly called four filters. Respectively takes charge of the filtration of a lubricating system, a medium in a combustion system, an engine air inlet system and a carriage air circulating system.

When fuel is filtered in the fuel supply device of the prior suction filter, dirt is directly accumulated at the lower end of the inside of the filter cylinder, long-term filtration not only easily causes the accumulation of the dirt, but also easily blocks the meshes of the filter cylinder, so that the filter cylinder is inconvenient to filter, and meanwhile, the inside of the filter is inconvenient to open and clean, which brings troubles to the use.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, an object of the utility model is to provide a fuel supply of suction filter send device, through first spring, the clamp plate is connected with first cleaning brush, the second spring, the connection of annular plate and second cleaning brush, it is convenient to clean thin cartridge filter and thick cartridge filter when using, and avoid the dirt directly to pile up the drawback of bringing in the inboard bottom of thin cartridge filter and thick cartridge filter, and through the setting of lower cover and upper end cover, the setting of first annular cover and second annular cover, conveniently open the inside of casing and clean, avoid the dirt to pile up the drawback of bringing in the inside of casing.

In order to solve the above problems, the utility model adopts the following technical proposal.

A fuel supply device of an inhalation filter comprises a shell, wherein the lower end of the shell is rotatably connected with a lower end cover through threads, the upper end of the shell is rotatably connected with an upper end cover through threads, the lower end of the upper end cover is fixedly connected with a first annular sleeve, the lower end of the upper end cover is fixedly connected with a second annular sleeve, sealing rings are respectively clamped in the first annular sleeve and the second annular sleeve in a sliding manner, the lower end of the interior of the shell is uniformly and fixedly connected with a supporting rod, one end of the supporting rod is fixedly connected with a bottom plate, the upper end of the bottom plate is fixedly connected with a fine filter cylinder, the upper end of the bottom plate is fixedly connected with a coarse filter cylinder, the upper end of the bottom plate is fixedly connected with a first spring, the upper end of the first spring is fixedly connected with a pressing plate, the edge of the pressing plate is fixedly connected with a first cleaning, through first spring, the clamp plate is connected with first cleaning brush, the second spring, the annular plate is connected with the cleaning brush of second, it is convenient to clean thin cartridge filter and thick cartridge filter when using, and avoid the dirt directly to pile up the drawback that brings in the inboard bottom of thin cartridge filter and thick cartridge filter, and through the setting of lower extreme cover and upper end cover, the setting of first annular cover and second annular cover, it is convenient to open the inside of casing and clean, avoid the dirt to pile up the drawback that brings in the inside of casing.

Furthermore, the lower end cover is fixedly connected with a liquid outlet pipe.

Further, upper end cover fixedly connected with feed liquor pipe, drain pipe and feed liquor pipe belong to prior art, and this technical scheme is no longer repeated.

Further, the coarse filter cartridge is disposed inside the fine filter cartridge.

Further, the upper end slide clamping of thick cartridge filter connects in the inside of second annular cover, filters large granule dirt through thick cartridge filter, and the fine filtration section of thick bamboo filters the tiny particle dirt.

Furthermore, the upper end of the fine filter cylinder is connected with the inside of the first annular sleeve in a sliding and clamping mode.

Further, the upper end of thick cartridge filter hugs closely sealedly with the lower extreme of sealing washer respectively with the upper end of thin cartridge filter, slides the joint in the inside of first ring collar through the upper end of thin cartridge filter, the upper end of thick cartridge filter hugs closely sealedly with the lower extreme of sealing washer respectively with the upper end of thin cartridge filter, conveniently makes the casing respectively with thin cartridge filter and thick cartridge filter fixed connection.

Furthermore, the upper end of the second spring is fixedly connected with an annular plate.

Furthermore, the outside border department fixedly connected with second cleaning brush of annular plate, through the setting of first spring and second spring, conveniently make clamp plate and annular plate reciprocate.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through first spring, the clamp plate is connected with first cleaning brush, the second spring, the connection of annular plate and second cleaning brush, it is convenient to clean thin cartridge filter and thick cartridge filter when using, and avoid the dirt directly to pile up the drawback that brings in the inboard bottom of thin cartridge filter and thick cartridge filter, and through the setting of lower extreme cover and upper end cover, the setting of first annular cover and second annular cover, it is convenient to open the inside of casing and clean, avoid the dirt to pile up the drawback that brings in the inside of casing.

(2) The lower end cover fixedly connected with drain pipe, upper end cover fixedly connected with feed liquor pipe, drain pipe and feed liquor pipe belong to prior art, and this technical scheme is no longer repeated.

(3) The thick cartridge filter sets up in the inside of thin cartridge filter, and the upper end sliding clamping of thick cartridge filter connects in the inside of second ring-shaped cover, filters large granule dirt through the thick cartridge filter, and the thin cartridge filter filters the tiny particle dirt.

(4) The upper end slip joint of thin cartridge filter is in the inside of first ring cover, and the upper end of thick cartridge filter is hugged closely sealedly with the lower extreme of sealing washer respectively with the upper end of thin cartridge filter, and the upper end slip joint through thin cartridge filter is in the inside of first ring cover, and the upper end of clamp plate thick cartridge filter is hugged closely sealedly with the lower extreme of sealing washer respectively with the upper end of thin cartridge filter, conveniently makes the casing respectively with thin cartridge filter and thick cartridge filter fixed connection.

(5) The upper end fixedly connected with annular plate of second spring, the outside border fixedly connected with second cleaning brush of annular plate department, through the setting of first spring and second spring, conveniently make clamp plate and annular plate reciprocate.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is a top view of the bottom plate of the present invention;

fig. 3 is a bottom view of the upper end cap of the present invention.

The reference numbers in the figures illustrate:

the cleaning brush comprises a shell 1, a lower end cover 2, an upper end cover 3, a liquid outlet pipe 4, a liquid inlet pipe 5, a first annular sleeve 6, a second annular sleeve 7, a sealing ring 8, a supporting rod 9, a bottom plate 10, a fine filter cylinder 11, a coarse filter cylinder 12, a first spring 13, a pressing plate 14, a first cleaning brush 15, a second spring 16, an annular plate 17 and a second cleaning brush 18.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, a fuel supply device of a suction filter comprises a housing 1, referring to fig. 1, a lower end of the housing 1 is rotatably connected with a lower end cap 2 through a screw thread, an upper end of the housing 1 is rotatably connected with an upper end cap 3 through a screw thread, a lower end of the upper end cap 3 is fixedly connected with a first annular sleeve 6, a lower end of the upper end cap 3 is fixedly connected with a second annular sleeve 7, the first annular sleeve 6 and the second annular sleeve 7 are respectively clamped with a sealing ring 8 in a sliding manner, a lower end of the interior of the housing 1 is uniformly and fixedly connected with a support rod 9, one end of the support rod 9 is fixedly connected with a bottom plate 10, an upper end of the bottom plate 10 is fixedly connected with a fine filter cartridge 11, an upper end of the bottom plate 10 is fixedly connected with a coarse filter cartridge 12, an upper end of the bottom plate 10 is fixedly connected with a first spring 13, an upper end of the first, even fixedly connected with second spring 16 in upper end of bottom plate 10, through first spring 13, the clamp plate 14 is connected with first cleaning brush 15, second spring 16, annular plate 17 and the connection of second cleaning brush 18, it is convenient to clean thin cartridge filter 11 and thick cartridge filter 12 when using, and avoid the dirt directly to pile up the drawback that brings in the inboard bottom of thin cartridge filter 11 and thick cartridge filter 12, and through the setting of lower extreme cover 2 and upper end cover 3, the setting of first annular cover 6 and second annular cover 7, conveniently open the inside of casing 1 and clean, avoid the dirt to pile up the drawback that brings in the inside of casing 1.

Please refer to fig. 1, a liquid outlet pipe 4 is fixedly connected to a lower end cap 2, a liquid inlet pipe 5 is fixedly connected to an upper end cap 3, the liquid outlet pipe 4 and the liquid inlet pipe 5 belong to the prior art, which is not described again in the present embodiment, a coarse filter cartridge 12 is disposed inside a fine filter cartridge 11, an upper end of the coarse filter cartridge 12 is slidably engaged with the inside of the second annular sleeve 7, large-particle dirt is filtered through the coarse filter cartridge 12, and small-particle dirt is filtered by the fine filter cartridge 11.

Referring to fig. 1, the upper end of the fine filter cartridge 11 is slidably engaged with the inside of the first annular sleeve 6, the upper end of the coarse filter cartridge 12 and the upper end of the fine filter cartridge 11 are respectively sealed with the lower end of the seal ring 8 in a close manner, so that the housing 1 is respectively fixedly connected with the fine filter cartridge 11 and the coarse filter cartridge 12, the upper end of the second spring 16 is fixedly connected with an annular plate 17, the outer side edge of the annular plate 17 is fixedly connected with a second cleaning brush 18, and the pressing plate 14 and the annular plate 17 can move up and down conveniently.

Fuel flows to the inside of the coarse filter cylinder 12 through the liquid inlet pipe 5 and then descends to the upper end of the pressure plate 14, when the fuel descends, pressure is applied to the pressure plate 14 to enable the pressure plate 14 to move downwards, meanwhile, the first spring 13 is pressed and contracted under force, so that the fuel is filtered out from meshes at different positions of the coarse filter cylinder 12, meanwhile, the first cleaning brush 15 is arranged to clean dirt inside the meshes, the fuel flows to the inside of the fine filter cylinder 11 again, pressure is applied to the annular plate 17 through fuel descending to enable the annular plate 17 to move downwards, meanwhile, the second spring 16 is pressed and contracted under force, the second cleaning brush 18 cleans dirt on the meshes of the fine filter cylinder 11, then the fuel flows to the inside of the lower end cover 2 through the outer side of the fine filter cylinder 11 and the inside of the shell 1 and flows out through the liquid outlet pipe 4, and flows through the connection of the first spring 13, the pressure plate 14 and the first cleaning brush 15, and the second spring, Annular plate 17 and the connection of second cleaning brush 18, it is convenient clean thin cartridge filter 11 and thick cartridge filter 12 when using, and avoid the dirt directly to pile up the drawback that brings in the inboard bottom of thin cartridge filter 11 and thick cartridge filter 12, and through the setting of lower end cover 2 and upper end cover 3, the setting of first annular cover 6 and second annular cover 7, it is clean to conveniently open the inside of casing 1, avoid the dirt to pile up the drawback that brings in the inside of casing 1.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (9)

1. A fuel feed device for a suction filter, comprising a housing (1), characterized in that: the lower end of the shell (1) is rotatably connected with a lower end cover (2) through threads, the upper end of the shell (1) is rotatably connected with an upper end cover (3) through threads, the lower end of the upper end cover (3) is fixedly connected with a first annular sleeve (6), the lower end of the upper end cover (3) is fixedly connected with a second annular sleeve (7), the interiors of the first annular sleeve (6) and the second annular sleeve (7) are respectively connected with a sealing ring (8) in a sliding and clamping manner, the lower end of the interior of the shell (1) is uniformly and fixedly connected with a support rod (9), one end of the support rod (9) is fixedly connected with a bottom plate (10), the upper end of the bottom plate (10) is fixedly connected with a fine filter cartridge (11), the upper end of the bottom plate (10) is fixedly connected with a coarse filter cartridge (12), the upper end of the bottom plate (10) is fixedly connected with a first spring (, the edge of the pressing plate (14) is fixedly connected with a first cleaning brush (15), and the upper end of the bottom plate (10) is uniformly and fixedly connected with a second spring (16).

2. A suction filter fuel supply as claimed in claim 1, wherein: the lower end cover (2) is fixedly connected with a liquid outlet pipe (4).

3. A suction filter fuel supply as claimed in claim 1, wherein: the upper end cover (3) is fixedly connected with a liquid inlet pipe (5).

4. A suction filter fuel supply as claimed in claim 1, wherein: the coarse filter cartridge (12) is arranged inside the fine filter cartridge (11).

5. A suction filter fuel supply as claimed in claim 1, wherein: the upper end of the coarse filter cylinder (12) is clamped in the second annular sleeve (7) in a sliding manner.

6. A suction filter fuel supply as claimed in claim 1, wherein: the upper end of the fine filter cylinder (11) is connected with the inside of the first annular sleeve (6) in a sliding and clamping mode.

7. A suction filter fuel supply as claimed in claim 1, wherein: the upper end of the coarse filter cylinder (12) and the upper end of the fine filter cylinder (11) are respectively tightly attached and sealed with the lower end of the sealing ring (8).

8. A suction filter fuel supply as claimed in claim 1, wherein: the upper end of the second spring (16) is fixedly connected with an annular plate (17).

9. A suction filter fuel supply as claimed in claim 8, wherein: and a second cleaning brush (18) is fixedly connected to the outer side edge of the annular plate (17).

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