CN213807905U

CN213807905U - Multiple sealed fuel filter

Info

Publication number: CN213807905U
Application number: CN202022691428.9U
Authority: CN
Inventors: 余永清
Original assignee: Wenzhou Yongqing Automobile Filters Co ltd
Current assignee: Wenzhou Yongqing Automobile Filters Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-27
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a multiple sealed fuel filter, including filter housing and first diaphragm, the inside upper and lower side of filter housing rigid coupling respectively has a plurality of first diaphragms, filter housing's internally mounted has filter equipment. This multiple sealed fuel filter, through the top cap, adjusting nut, first sealing washer, the pull rod, the filter core, mutually support between first filter layer and the second filter layer isotructure, the fuel gets into the back through the oil inlet of top cap, can enter into in the filter core after filtering through first filter layer and second filter layer, the oil-out of top cap is arranged into to the rethread rectangle case, thereby the filter effect has been improved, through the second sealing washer, the dog, first rectangle piece, the second rectangle piece, mutually support between first spring and the rectangle case isotructure, can make the dog support second sealing washer and filter core lower extreme tightly under the pulling force of first spring, it is fixed with the second sealing washer, thereby sealed effect has been improved.

Description

Multiple sealed fuel filter

Technical Field

The utility model relates to a seal fuel filter technical field, specifically be a multiple sealed fuel filter.

Background

The fuel filter effect is harmful granule and moisture content in the filtering engine fuel gas system, with protection oil pump glib talker, the cylinder liner, piston ring etc. reduce wear, avoid blockking up, the fuel filter has diesel oil filter, petrol filter and natural gas filter are three types, but the effect is all the same, the fuel filter is an indispensable part on the car, and most of fuel filters among the prior art are the single and filter, the filter effect is lower, simultaneously also not good to the sealed effect of filter core below among the prior art, just can take place the phenomenon such as fuel feeding inadequacy through long-time use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiple sealed fuel filter to solve and propose among the above-mentioned background art and the fuel filter among the prior art most all is the single and filters, the lower problem of filter effect.

In order to achieve the above object, the utility model provides a following technical scheme: a multiple sealed fuel filter comprises a filter shell and first transverse plates, wherein the upper part and the lower part inside the filter shell are fixedly connected with the first transverse plates respectively, and a filtering device is installed inside the filter shell;

the filter device comprises a top cover, an adjusting nut, a first sealing ring, a pull rod, a filter element, a first filter layer and a second filter layer;

the lower surface of top cap and filter housing are fixed to be continuous, threaded connection has adjusting nut in the middle of the top of top cap, install first sealing washer between adjusting nut and the top cap, adjusting nut's recess inner wall closely laminates and has the pull rod, the outer wall of pull rod and filter housing's opening part inner wall clearance fit, the middle outer wall rigid coupling of pull rod has the filter core, the outer wall of filter core laminates with the outer wall of first diaphragm mutually, the inside and outside both sides of filter core rigid coupling respectively has first filter layer and second filter layer.

Preferably, the pull rod and the first transverse plate are vertically arranged.

Preferably, a sealing device is arranged on the outer wall below the pull rod;

the sealing device comprises a second sealing ring, a stop block, a first rectangular block, a second rectangular block, a first spring and a rectangular box;

the inner wall of second sealing washer and the outer wall clearance fit of pull rod, the dog is installed to the below outer wall of second sealing washer, the through-hole department inner wall of dog and the outer wall clearance fit of pull rod, the left and right sides rigid coupling of dog has first rectangular block, the outside of first rectangular block is equipped with the second rectangular block, the outside and the filter casing of second rectangular block are fixed continuous, and are adjacent the rigid coupling has first spring between second rectangular block and the first rectangular block, the top of first spring is equipped with the rectangle case, the upper and lower side outer wall of rectangle case links to each other with top cap and filter core are fixed respectively.

Preferably, the left and right first springs are symmetrically distributed by taking the stop block as a center.

Preferably, a fixing device is installed below the filter shell;

the fixing device comprises a second transverse plate, a screw, a third sealing ring and a second spring;

the upper surface of second diaphragm and the below outer wall of filter housing laminate mutually, the upper surface and the pull rod of second diaphragm are fixed to be linked to each other, the second diaphragm links to each other through a plurality of screws and filter housing screw, install the third sealing washer between second diaphragm and the filter housing, the inner wall of third sealing washer and the outer wall clearance fit of pull rod, the top of third sealing washer is equipped with the second spring, the inner wall of second spring and the outer wall clearance fit of pull rod, the upper and lower side outer wall of second spring links to each other with dog and filter housing are fixed respectively.

Preferably, the width dimension of the second transverse plate is larger than the width dimension of the opening below the filter shell.

Compared with the prior art, the beneficial effects of the utility model are that: this multiple sealed fuel filter through top cap, adjusting nut, first sealing washer, pull rod, filter core, first filter layer and the second filter layer isotructure between mutually supporting, the fuel gets into the back through the oil inlet of top cap, can enter into the filter core after filtering through first filter layer and second filter layer, and the oil-out of top cap is arranged into to the rethread rectangle case to the filter effect has been improved.

Through mutually supporting between second sealing washer, dog, first rectangle piece, second rectangle piece, first spring and the rectangle case isotructure, can make the dog support second sealing washer and filter core lower extreme tightly under the pulling force of first spring, it is fixed with the second sealing washer to sealed effect has been improved.

Through mutually supporting between second diaphragm, screw, third sealing washer and the second spring isotructure, can make the second diaphragm pass through the screw and fix with filter housing, further upwards extrudees the dog through the elasticity performance of second spring to it is better to make sealed effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the top cover, the pull rod and the first sealing ring in FIG. 1;

FIG. 3 is a schematic structural diagram of the first spring, the first rectangular block and the second rectangular block in FIG. 1;

fig. 4 is a schematic structural view of the second spring, the second cross plate and the screw in fig. 1.

In the figure: 1. the filter comprises a filter shell, 2, a first transverse plate, 3, a filtering device, 301, a top cover, 302, an adjusting nut, 303, a first sealing ring, 304, a pull rod, 305, a filter element, 306, a first filtering layer, 307, a second filtering layer, 4, a sealing device, 401, a second sealing ring, 402, a stop block, 403, a first rectangular block, 404, a second rectangular block, 405, a first spring, 406, a rectangular box, 5, a fixing device, 501, a second transverse plate, 502, a screw, 503, a third sealing ring, 504 and a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multiple sealing fuel filter comprises a filter shell 1 and a first transverse plate 2, wherein 2 first transverse plates 2 are fixedly connected with the upper part and the lower part inside the filter shell 1 respectively, an opening is processed below the filter shell 1, a filter device 3 is installed inside the filter shell 1, the filter device 3 comprises a top cover 301, an adjusting nut 302, a first sealing ring 303, a pull rod 304, a filter element 305, a first filter layer 306 and a second filter layer 307, the lower surface of the top cover 301 is fixedly connected with the filter shell 1, the left side and the right side inside the top cover 301 are respectively processed with an oil inlet and an oil outlet, the middle of the upper part of the top cover 301 is in threaded connection with the adjusting nut 302, the first sealing ring 303 is installed between the adjusting nut 302 and the top cover 301, the fuel can be prevented from flowing out from the adjusting nut 302 through the first sealing ring 303, the pull rod 304 is tightly attached to the inner wall of a groove of the adjusting nut 302, the pull rod 304 can be tightly abutted through the adjusting nut 302, the outer wall of pull rod 304 and the opening part inner wall clearance fit of filter housing 1, the middle outer wall rigid coupling of pull rod 304 has filter core 305, and the outer wall of filter core 305 is laminated with the outer wall of first diaphragm 2 mutually, can make filter core 305 more stable through first diaphragm 2, and the inside and outside both sides of filter core 305 rigid coupling respectively have first filter layer 306 and second filter layer 307, and pull rod 304 and first diaphragm 2 are perpendicular setting.

The lower outer wall of the pull rod 304 is provided with a sealing device 4, the sealing device 4 comprises a second sealing ring 401, a stop block 402, a first rectangular block 403, a second rectangular block 404, a first spring 405 and a rectangular box 406, the inner wall of the second sealing ring 401 is in clearance fit with the outer wall of the pull rod 304, the lower outer wall of the second sealing ring 401 is provided with the stop block 402, fuel can be prevented from entering from the lower part of the filter element 305 through the second sealing ring 401, the middle of the inner part of the stop block 402 is provided with a through hole, the inner wall of the through hole of the stop block 402 is in clearance fit with the outer wall 403 of the pull rod 304, the left side and the right side of the stop block 402 are fixedly connected with the first rectangular block 403, the outer side of the first rectangular block is provided with the second rectangular block 404, the outer side of the second rectangular block 404 is fixedly connected with the filter shell 1, the first spring 405 is fixedly connected between the adjacent second rectangular block 404 and the first rectangular block 403, and when the first rectangular block 405 moves upwards, a rectangular box 406 is arranged above the first spring 405, openings are formed in the upper and lower sides of the rectangular box 406, the rectangular box 406 is respectively communicated with the oil outlet of the cover body 301 and the interior of the filter element 305, the outer walls of the upper and lower sides of the rectangular box 406 are respectively fixedly connected with the top cover 301 and the filter element 305, and the left and right first springs 405 are symmetrically distributed by taking the stop block 402 as the center.

The lower part of the filter shell 1 is provided with a fixing device 5, the fixing device 5 comprises a second transverse plate 501, a screw 502, a third sealing ring 503 and a second spring 504, the upper surface of the second transverse plate 501 is attached to the outer wall of the lower part of the filter shell 1, the upper surface of the second transverse plate 501 is fixedly connected with the pull rod 304, the second transverse plate 501 is in threaded connection with the filter shell 1 through 2 screws 502, the second transverse plate 501 is fixed with the filter shell 1 through the screw 502, the third sealing ring 503 is arranged between the second transverse plate 501 and the filter shell 1, the inner wall of the third sealing ring 503 is in clearance fit with the outer wall of the pull rod 304, fuel can be prevented from flowing out below the filter shell 1 through the third sealing ring 503, the second spring 504 is arranged above the third sealing ring 503, the inner wall of the second spring 504 is in clearance fit with the outer wall of the pull rod 304, the upper outer wall and the lower outer wall of the second spring 504 are respectively fixedly connected with the stop block 402 and the filter shell 1, the stop block 402 can tightly support the second sealing ring 401 through the elastic performance of the second spring 504, and the width of the second horizontal plate 501 is greater than the width of the opening below the filter housing 1.

When an operator needs to use the multi-seal fuel filter, firstly, the operator drives the third seal ring 503 and the pull rod 304 to move upwards through the second horizontal plate 501, so that the upper part of the third seal ring 503 is tightly attached to the outer wall of the lower part of the filter shell 1, the second horizontal plate 501 is fixed with the filter shell 1 through the screw 502, the stop block 402 can fix the second seal ring 401 below the filter element 305 through the elastic performance of the second spring 504, meanwhile, the upward pulling force can be applied to the stop block 402 through the elastic performance of the first spring 405, so that the sealing performance between the stop block 402 and the filter element 305 can be improved through the elastic performance of the first spring 405 and the second spring 504, after fuel enters through the oil inlet on the left side of the top cover 301, the fuel can be filtered through the first filter layer 306 and the second filter layer 307, so that the filtered fuel enters the filter element 305, and then the filter element 305 enters the rectangular box 406, and finally, the fuel is discharged through the fuel outlet at the right side of the cover body 301, so that the purpose of improving the fuel filtering effect is achieved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multiple sealed fuel filter, includes filter housing (1) and first diaphragm (2), the inside upper and lower below of filter housing (1) rigid coupling respectively has a plurality of first diaphragms (2), its characterized in that: a filtering device (3) is arranged in the filter shell (1);

the filter device (3) comprises a top cover (301), an adjusting nut (302), a first sealing ring (303), a pull rod (304), a filter element (305), a first filter layer (306) and a second filter layer (307);

the lower surface of top cap (301) is fixed continuous with filter housing (1), threaded connection has adjusting nut (302) in the middle of the top of top cap (301), install first sealing washer (303) between adjusting nut (302) and top cap (301), the recess inner wall of adjusting nut (302) closely laminates pull rod (304), the outer wall of pull rod (304) and the opening part inner wall clearance fit of filter housing (1), the middle outer wall rigid coupling of pull rod (304) has filter core (305), the outer wall of filter core (305) laminates with the outer wall of first diaphragm (2), the inside and outside both sides of filter core (305) rigid coupling respectively has first filter layer (306) and second filter layer (307).

2. The multiple seal fuel filter of claim 1, wherein: the pull rod (304) and the first transverse plate (2) are vertically arranged.

3. The multiple seal fuel filter of claim 1, wherein: a sealing device (4) is arranged on the outer wall below the pull rod (304);

the sealing device (4) comprises a second sealing ring (401), a stop block (402), a first rectangular block (403), a second rectangular block (404), a first spring (405) and a rectangular box (406);

the inner wall of second sealing washer (401) and the outer wall clearance fit of pull rod (304), dog (402) are installed to the below outer wall of second sealing washer (401), the outer wall clearance fit of the through-hole department inner wall of dog (402) and pull rod (304), the left and right sides rigid coupling of dog (402) has first rectangle piece (403), the outside of first rectangle piece (403) is equipped with second rectangle piece (404), the outside and the filter housing (1) of second rectangle piece (404) are fixed continuous, and are adjacent the rigid coupling has first spring (405) between second rectangle piece (404) and first rectangle piece (403), the top of first spring (405) is equipped with rectangle case (406), the upper and lower side outer wall of rectangle case (406) links to each other with top cap (301) and filter core (305) are fixed respectively.

4. A multiple seal fuel filter according to claim 3, wherein: the left and right first springs (405) are symmetrically distributed by taking the stop block (402) as a center.

5. The multiple seal fuel filter of claim 1, wherein: a fixing device (5) is arranged below the filter shell (1);

the fixing device (5) comprises a second transverse plate (501), a screw (502), a third sealing ring (503) and a second spring (504);

the upper surface of second diaphragm (501) is laminated with the below outer wall of filter casing (1) mutually, the upper surface and pull rod (304) of second diaphragm (501) are fixed continuous, second diaphragm (501) link to each other through a plurality of screws (502) and filter casing (1) screw thread, install third sealing washer (503) between second diaphragm (501) and filter casing (1), the inner wall of third sealing washer (503) and the outer wall clearance fit of pull rod (304), the top of third sealing washer (503) is equipped with second spring (504), the inner wall of second spring (504) and the outer wall clearance fit of pull rod (304), the upper and lower side outer wall of second spring (504) respectively with dog (402) and filter casing (1) fixed continuous.

6. The multiple seal fuel filter according to claim 5, wherein: the width dimension of the second transverse plate (501) is larger than the width dimension of an opening below the filter shell (1).