CN201818345U

CN201818345U - Modularized oil filter with dual parallelly-connected dismountable filter elements

Info

Publication number: CN201818345U
Application number: CN2010205689075U
Authority: CN
Inventors: 丁俊
Original assignee: SHANGHAI FLEETGUARD FILTER CO Ltd
Current assignee: SHANGHAI FLEETGUARD FILTER CO Ltd
Priority date: 2010-10-20
Filing date: 2010-10-20
Publication date: 2011-05-04
Anticipated expiration: 2020-10-20

Abstract

The utility model relates to an oil filter, in particular to a modularized oil filter with dual parallelly-connected dismountable filter elements, which mainly solves the technical problem that the filter with dual filter elements in the prior art has small layout space, high replacement cost and small increase of total filtering area. The modularized oil filter adopts the technical scheme that a filter casing, an outer filter element and an inner filter element are included, and is provided with a central pipe as an oil passage. The modularized oil filter is characterized in that the central pipe adopts a spiral form, holes are formed in a spiral oil groove at intervals, a base plate is mounted at the bottom of the central pipe and fixed on the base of the filter, an oil outlet is formed in the base plate of the central pipe and connected with the spiral oil groove, outer filter element filter paper is arranged inside the central pipe, inner filter element filter paper is arranged between the filter casing and the outer wall of the central pipe, the closed end cover at the top of the filter casing is inserted between the filter casing and the outer wall of the central pipe through a clamping tenon, and the inner filter element and the outer filter element are fixed through the closed end cover at the top of the filter and an annular inner filter element open end cover and an annular outer filter element open end cover at the bottom of the filter. The modularized oil filter provided by the utility model can achieve the purpose of increasing the filtering area of the filter under the same volume. The filter elements can adopt two types of filter paper, forming a combined type filter.

Description

The removable filter core module oil filter of dual parallel connection

Technical field

The utility model relates to a kind of oil filter, and the removable filter core module oil filter of particularly a kind of dual parallel connection can be implemented in the purpose that increases the filter area of filter cleaner under the equal volume.The utility model filter core can use two kinds of filter paper simultaneously, becomes the combined type filter cleaner.

Background technique

At present, the modularization element of oil filter that uses on the market mostly is core structure, and there is big quantity space waste inside, does not meet the filter cleaner growth requirement of realizing better filtering effect under small volume.Dual filter core filter cleaner is also arranged on market at present, see Fig. 1, comprise filter case 1, outer filter core 2 and inner filter core 3, and be provided with center tube 4 and be asphalt channel, outer filter core and inner filter core are fixing by supporting frame 14.But following defective is arranged: be asphalt channel in the center tube, need the certain sectional area of assurance to avoid the oil circuit flow resistance excessive, compressed the arrangement space of peripheral dual filter core; The tortuous flow resistance of oil circuit is big; Outer filter core inside and inner filter core outside all need supporting frame, also guaranteed certain runner in the middle of the supporting frame.And more must together change during renew cartridge, the cost height makes trouble, and the maintenance cost height; The inner filter core size is limited, and has compressed the space of outer filter core, and total filter area does not significantly improve with respect to traditional filter core, has hindered the application of dual filter core.

Summary of the invention

The purpose of this utility model provides the removable filter core module oil filter of dual parallel connection, mainly solves the technical problem that arrangement space is little, replacement cost is high and the lifting of total filter area is less that existing dual filter core filter cleaner exists.Thinking of the present utility model is under the constant situation of former filter core condition, utilizes remaining space inside, adds an inner filter core, promotes the filter area of filter cleaner under the compatible volume, promotes filtering effect.

The technological scheme that the utility model adopted is: the removable filter core module oil filter of a kind of dual parallel connection, comprise filter case, outer filter core and inner filter core, and to be provided with center tube be asphalt channel, it is characterized in that center tube twist, and perforate at interval on helical oil groove, the center tube bottom is equipped with the chassis and is fixed on the cleaner case, the center tube chassis has oil outlet and connects helical oil groove, settle inner filter core filter paper in the center tube, settle outer filter core filter paper between filter case and the center tube outer wall, the end cap of remaining silent at filter case top is inserted between filter case and the center tube outer wall by trip, and inner filter core and outer filter core are by closed end lid and bottom portion ring-type inner filter core open end cap, the outer filter core open end cap of ring-type is fixed.

In the seal groove of center tube chassis, lay seal ring, compress into the pedestal buckle, form radial seal.

The beneficial effects of the utility model are: novel filter cartridge construction has effectively increased filter area, makes filter cleaner efficient under equal volume higher, and flow resistance is littler, and the life-span is longer.The center tube inner and outer surface need not to change as the retainer of inside and outside filter core and when the maintenance respectively.Filter cartridge construction meets the removable filter core requirement of not changing center tube, and the material of changing during maintenance only relates to end cap and filter paper, and waste of material is accomplished minimum.All be subjected to system oil pressure inside and outside the center tube, take out mutually, can use than the center tube of small intensity and realize same filter core collapse strength.And can in same filter core, use two kinds of filter paper, the combined engine oil core that composition can use, the realization of modularized combination type oil strainer in the modularization oil filter.Must add configuration flow deviding type oil strainer after having avoided motor manufacturer to select to use the modularization oil strainer.

Description of drawings

Fig. 1 moves towards schematic representation for existing dual filter element oil path.

Fig. 2 is the utility model structural representation.

Among the figure: 1-filter case, the outer filter core of 2-, 3-inner filter core, the 4-center tube, 5-center tube chassis, the 6-end cap of remaining silent, 7-inner filter core open end cap, the outer filter core open end cap of 8-, 9-seal ring, 10-pedestal, 11-center tube seal ring overhead gage, 12-center tube seal ring lower pedal, 13-loam cake, 14-supporting frame.

Embodiment

With reference to Fig. 2, the removable filter core module oil filter of a kind of dual parallel connection, comprise filter case 1, outer filter core 2 and inner filter core 3, and be provided with center tube 4 and be asphalt channel, center tube 4 twist, and perforate at interval on helical oil groove, the center tube chassis 5 of center tube bottom is fixed on the filter cleaner pedestal 10, center tube chassis 5 has oil outlet and connects helical oil groove, settle outer filter core filter paper in the center tube 4, settle inner filter core filter paper between filter case and the center tube outer wall, the end cap 6 of remaining silent at filter case top is inserted between filter case and the center tube outer wall by trip, and inner filter core 3 and outer filter core 2 are by end cap 6 and the bottom inner filter core open end cap 7 of remaining silent, outer filter core open end cap 8 is fixed.In 5 seal grooves of center tube chassis, lay seal ring 9, compress into pedestal 10 buckles, form radial seal.

Inside and outside two filter cores use the open end cap of ring-type respectively, use the same end cap of remaining silent simultaneously, and the end cap center drilling of remaining silent can pass through fluid, form the structure of loong shunt in two filter cores.During filtration, machine oil to be filtered is the outside and inner gap that flows to inside and outside filter core of inner filter core from outer filter core.Center tube is supported on the low pressure surface of inside and outside filter core simultaneously, and the mode that adopts helical oil groove provides spacious flow channel for liquids, cleaning machine oil after filtering the at last therefrom gap of core barrel bottom surface is discharged, and the oil duct after the filtration does not take the filter cleaner volume fully in center tube inside.

Assembly process: center tube at first assembles with pedestal, in the seal groove of center tube bottom, lay seal ring 9, compress into the pedestal buckle then, this moment, seal ring can slide into buckle from pedestal buckle and 11 gaps of center tube seal ring overhead gage, and pedestal 10 inside and center tube seal groove be crush seal circle 9 together, forms radial seal.The center tube seal ring lower pedal 12 that external diameter is bigger when outwards pulling out behind the threading buckle is little with the buckle gap, and seal ring pushes nowhere, makes center tube and pedestal assembling back difficult drop-off.Filter core is installed then, and inside and outside filter core gap alignment center tube inserts the filter core chamber.Cover loam cake 13 at last, the propagation of pressure of loam cake extruding filter core is to inner filter core open end cap 7 and outer filter core open end cap 8, and outer filter core open end cap 8 external diameter highlights are expressed to the center tube seal ring, the formation axial sealing ring.Inner filter core open end cap 7 forms radial seal with center tube.Formed the utility model modularization oil filter.

Claims

1. removable filter core module oil filter of dual parallel connection, comprise filter case, outer filter core and inner filter core, and to be provided with center tube be asphalt channel, it is characterized in that center tube twist, and perforate at interval on helical oil groove, the center tube bottom is equipped with the chassis and is fixed on the cleaner case, the center tube chassis has oil outlet and connects helical oil groove, settle inner filter core filter paper in the center tube, settle outer filter core filter paper between filter case and the center tube outer wall, the end cap of remaining silent at filter case top is inserted between filter case and the center tube outer wall by trip, and inner filter core and outer filter core are by closed end lid and bottom portion ring-type inner filter core open end cap, the outer filter core open end cap of ring-type is fixed.

2. the removable filter core module oil filter of dual parallel connection according to claim 1 is characterized in that: have built-in seal ring in the seal groove on the center tube chassis, compress into the pedestal buckle, form radial seal.