CN211411268U - Oil liquid filtering filter element - Google Patents

Abstract

The utility model discloses an oil liquid filtering core in the technical field of filtering cores, which comprises an upper fixing seat, a lower fixing seat and a filter core body, the sealing washer, inner support frame and connecting screw, the net oil export has been seted up at the center of lower fixing base, the inner chamber of net oil export is provided with the screw sleeve pipe, the bottom of lower fixing base is provided with the spiral shell link end that is connected with external filter, inner support frame's the outside is located to filter core body laminating cover, other butt is equallyd divide equally at the both ends of filter core body and inner support frame between last fixing base and lower fixing base, the sealing washer sets up in filter core body and last fixing base and the upper and lower both ends face of lower fixing base looks butt, connecting screw's threaded end runs through behind the screw sleeve pipe inner chamber with last fixing base looks spiro union, the utility model provides a fluid filters the filter core, can guarantee the net oil and filter purity, and filter core body.

Description

Oil liquid filtering filter element

Technical Field

The utility model relates to a filter the filter core technical field, specifically be a fluid filters filter core.

Background

The traditional filter element for hydraulic oil filter usually adopts the form of inner supporting tube or outer supporting tube, or even inner and outer double-layer supporting tube in order to ensure the integral strength of the filter element, and most of the supporting tubes are made of metal mesh plates. Because the filter core belongs to a consumption material that the use amount is great, when it is blockked up by the pollutant gradually and makes the jam differential pressure reach the regulation pressure value, just need to carry out the change of filter core. Therefore, a large amount of support tubes are wasted, the use cost of the filter element is invisibly increased, and meanwhile, the filter element is not easy to recover and is easy to cause environmental pollution.

Like a "fluid filters filter core" that patent application number is CN201821109284.8 utility model discloses, the device though can reach the use cost who has reduced traditional filter core through only replacing the no skeleton filter core, but the device structure still exists and to be improved the part, be provided with the sealing washer between top cap and cutting ferrule and base and the cutting ferrule in the device, but be provided with seal structure between end cassette and the no skeleton filter core, and adopt simple and easy spiro union or the mode of lock connection between the component about the device filter core frame, it is not hard up to connect to lead to appearing the gap between end cassette and the no skeleton filter core about probably having in the use, and then lead to the neat oil purity to reduce.

Based on this, utility model has designed a fluid filters filter core to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fluid filters filter core to solve above-mentioned technical problem.

In order to realize the purpose, the utility model provides the following technical scheme: an oil liquid filtering filter element comprises an upper fixing seat, a lower fixing seat, a filter element body, a sealing ring, an inner supporting frame and a connecting screw, wherein an oil purification outlet is formed in the center of the lower fixing seat, a screw sleeve is arranged in an inner cavity of the oil purification outlet, a screw connecting end connected with an external filter is arranged at the bottom of the lower fixing seat, the filter element body is attached to the outer side of the inner supporting frame in a sleeved mode, two ends of the filter element body and the inner supporting frame are respectively abutted between the upper fixing seat and the lower fixing seat, the sealing ring is arranged on the upper end face and the lower end face, abutted to the upper fixing seat and the lower fixing seat, of the filter element body, and the threaded end of the connecting screw penetrates through the inner cavity of the.

Preferably, the filter core body includes by outer and outer filtering layer, cotton yarn layer and the interior filtering layer of establishing of interior coaxial cover, the upper and lower both ends of outer filtering layer, cotton yarn layer and interior filtering layer are equallyd divide and are do not passed through filter core end piece fixed linking to each other.

Preferably, the inner support frame comprises two groups of sleeving rings which are arranged in parallel up and down, and a plurality of support rods are distributed and connected between the two groups of sleeving rings along the axial direction in an array manner.

Preferably, the middle part of one side of the upper fixing seat and the lower fixing seat opposite to each other protrudes and bulges to form a support frame positioning boss.

Preferably, the opposite side end faces of the upper fixing seat and the lower fixing seat are recessed downwards to form an annular sealing groove, and the sealing ring is embedded in the annular sealing groove.

Preferably, the screw sleeve and the oil purification outlet are coaxially arranged, and the outer wall of the screw sleeve is fixedly connected with the inner wall of the oil purification outlet through three groups of supporting arms which are distributed in a circumferential array manner.

Preferably, a copper tooth socket is embedded in the center of the bottom of the upper fixing seat.

Compared with the prior art, utility model's beneficial effect does:

the utility model discloses the inside and outside both sides of filter core only exist filter core body about both ends need sealed junction, and filter core body and last fixing base all are provided with the sealing washer through the gomphosis mode with the upper and lower both ends face of lower fixing base looks butt, and the screw thread end of connecting screw runs through behind the screw sleeve inner chamber with last fixing base looks spiro union, through connecting screw with the device about structure locking back promptly, because connecting screw is located the inside central authorities of device and is difficult not hard up by fluid or external force influence, can guarantee about the filter core body both ends all the time with the inseparable butt of sealing washer, ensure the inside and outside leakproofness of structure, and then can guarantee the clean oil and filter purity.

The utility model discloses the filter core body includes by outer and interior outer filter layer, cotton yarn layer and the interior filter layer that coaxial cover was established, is different from the contrast file, sets up cotton yarn layer structure between outer filter layer and the interior filter layer, and the great foreign matter of granule is behind the outer filter layer interception, and the most foreign matter of medium granule can be attached to and can not cause quick jam on the filter layer including direct adhesion in cotton yarn layer by priority, because the effective filtration on cotton yarn layer is spatial structure, can make the filter core body can hold more foreign matters, so the utility model discloses filter core body life is longer, can further reduce and use the maintenance cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

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

FIG. 2 is a schematic view of the structure of the filter element body of the present invention;

fig. 3 is a schematic structural view of the inner support frame of the present invention;

fig. 4 is a schematic structural view of the cross section of the lower fixing seat of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-upper fixed seat, 2-lower fixed seat, 3-filter element body, 31-outer filter layer, 32-cotton yarn layer, 33-inner filter layer, 34-filter element end piece, 4-sealing ring, 5-inner supporting frame, 51-sleeving ring, 52-supporting rod, 6-connecting screw, 7-clean oil outlet, 8-screw sleeve, 9-screwing end, 10-supporting frame positioning boss, 11-annular sealing groove, 12-supporting arm and 13-copper tooth sleeve.

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. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an fluid filters filter core, including last fixing base 1, lower fixing base 2, filter core body 3, sealing washer 4, inner support frame 5 and connecting screw 6, net oil export 7 has been seted up at lower fixing base 2's center, the inner chamber of net oil export 7 is provided with screw sleeve pipe 8, the bottom of lower fixing base 2 is provided with the spiro union end 9 that is connected with the external filter, the outside of inner support frame 5 is located to 3 laminating covers of filter core body, other butt in last fixing base 1 and down between fixing base 2 are equallyd divide at the both ends of filter core body 3 and inner support frame 5, sealing washer 4 sets up in the upper and lower both ends face of filter core body 3 and last fixing base 1 and lower fixing base 2 looks butt, the threaded end of connecting screw 6 runs through behind the 8 inner chambers.

The filter element body 3 comprises an outer filter layer 31, a cotton yarn layer 32 and an inner filter layer 33 which are coaxially sleeved from outside to inside, and the upper end and the lower end of the outer filter layer 31, the upper end and the lower end of the cotton yarn layer 32 and the upper end and the lower end of the inner filter layer 33 are fixedly connected through a filter element end piece 34 respectively; the outer filter layer 31, the cotton yarn layer 32, the inner filter layer 33 and the filter element end piece 34 are of an integrated combined structure, so that the sealing performance between the end faces of the structure can be ensured, and the filter element body 3 can be conveniently and integrally placed and taken out quickly during replacement;

the inner support frame 5 comprises two groups of sleeving rings 51 which are arranged in parallel up and down, and a plurality of support rods 52 are distributed and connected between the two groups of sleeving rings 51 along the axial direction; the height of the inner support frame 5 is controlled to ensure that the upper end and the lower end of the filter element body 3 are fully abutted against the sealing ring 4 under the locking state of the connecting screw 6, and the sealing property between the filter element body 3 and the sealing ring 4 is ensured;

the middle part of one opposite side of the upper fixed seat 1 and the lower fixed seat 2 protrudes and bulges to form a support frame positioning boss 10 for guiding and placing the inner support frame 5, thereby playing a role of preventing the filter element body 3 from being deformed under pressure;

the end surfaces of one opposite sides of the upper fixing seat 1 and the lower fixing seat 2 are downwards sunken to form an annular sealing groove 11, and the sealing ring 4 is embedded in the annular sealing groove 11;

the screw sleeve 8 and the clean oil outlet 7 are coaxially arranged, and the outer wall of the screw sleeve 8 is fixedly connected with the inner wall of the clean oil outlet 7 through three groups of supporting arms 12 which are circumferentially distributed in an array manner, so that the connecting screw 6 is positioned in the center of the inside of the device and is not easily affected by fluid or external force and is not easily loosened;

go up the bottom center department of fixing base 1 and inlay and be equipped with copper facing 13, go up fixing base 1 and adopt the injection molding that light hardness is low with lower fixing base 2 to make, can guarantee not take place smooth tooth and influence the fastness to connect.

One specific application of this embodiment is:

the utility model discloses a fluid filtering filter element;

the utility model discloses filter the inside and outside both sides of filter core and only have filter core body 3 about both ends need sealed junction, and filter core body 3 all is provided with sealing washer 4 through the gomphosis mode with last fixing base 1 and the upper and lower both ends face of 2 looks of lower fixing base of fixing base, and the screw thread end of connecting screw 6 runs through behind the 8 inner chambers of screw sleeve pipe with last fixing base 1 looks spiro union, through connecting screw 6 with the device about structure locking back promptly, because connecting screw 6 is located the inside central authorities of device and is difficult not hard up by fluid or external force influence, can guarantee filter core body 3 about both ends all the time with the inseparable butt of sealing washer 4, ensure the inside and outside leakproofness of structure, and then can guarantee.

The utility model discloses filter core body 3 includes by outer and interior outer filter layer 31 of establishing with the axle sleeve, cotton yarn layer 32 and interior filter layer 33, be different from the contrast file, add cotton yarn layer 32 structure between outer filter layer 31 and the interior filter layer 33, the great foreign matter of granule is behind outer filter layer 31 interception, the most foreign matter of medium grade granule can be preferentially attached to and can not cause quick jam on filter layer 33 including direct adhesion in cotton yarn layer 32, because effective filtration of cotton yarn layer 32 is spatial structure, can make filter core body 3 can hold more foreign matters, so the utility model discloses filter core body 3 service life is longer, can further reduce and use the maintenance cost.

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 explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

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 (7)

1. The utility model provides an oil filters filter core which characterized in that: the filter core comprises an upper fixing seat (1), a lower fixing seat (2), a filter core body (3), a sealing ring (4), an inner supporting frame (5) and a connecting screw (6), wherein a purified oil outlet (7) is formed in the center of the lower fixing seat (2), a screw sleeve (8) is arranged in an inner cavity of the purified oil outlet (7), a screw connection end (9) connected with an external filter is arranged at the bottom of the lower fixing seat (2), the filter core body (3) is attached to and sleeved on the outer side of the inner supporting frame (5), two ends of the filter core body (3) and two ends of the inner supporting frame (5) are respectively abutted between the upper fixing seat (1) and the lower fixing seat (2), the sealing ring (4) is arranged on upper and lower end faces of the filter core body (3) and the upper fixing seat (1) and the lower fixing seat (2) in an abutting mode, and a thread end of the connecting screw bolt (6) penetrates through the inner cavity of the screw sleeve (8).

2. An oil filter cartridge according to claim 1 wherein: filter core body (3) include by outer and outer filter bed (31), cotton yarn layer (32) and interior filter bed (33) that interior coaxial cover was established, the upper and lower both ends of outer filter bed (31), cotton yarn layer (32) and interior filter bed (33) are equallyd divide and are do not fixed continuous through filter core end piece (34).

3. An oil filter cartridge according to claim 1 wherein: the inner support frame (5) comprises two groups of sleeving rings (51) which are arranged in parallel up and down, and a plurality of support rods (52) are distributed and connected between the two groups of sleeving rings (51) along the axial direction in an array manner.

4. An oil filter cartridge according to claim 1 wherein: the middle parts of the opposite sides of the upper fixing seat (1) and the lower fixing seat (2) protrude and bulge to form a support frame positioning boss (10).

5. An oil filter cartridge according to claim 1 wherein: go up fixing base (1) and lower fixing base (2) one side terminal surface undercut in opposite directions forms annular seal groove (11), sealing washer (4) inlay and locate in annular seal groove (11).

6. An oil filter cartridge according to claim 1 wherein: the screw sleeve (8) and the clean oil outlet (7) are coaxially arranged, and the outer wall of the screw sleeve (8) is fixedly connected with the inner wall of the clean oil outlet (7) through three groups of supporting arms (12) which are distributed in a circumferential array mode.

7. An oil filter cartridge according to claim 1 wherein: a copper tooth socket (13) is embedded in the center of the bottom of the upper fixing seat (1).

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