CN106050354A

CN106050354A - Oil filter

Info

Publication number: CN106050354A
Application number: CN201610542355.2A
Authority: CN
Inventors: 陈耀千; 侯锦松
Original assignee: NINGBO ZHENGLI AUTOMOBILE PARTS Co Ltd
Current assignee: NINGBO ZHENGLI AUTOMOBILE PARTS Co Ltd
Priority date: 2016-07-07
Filing date: 2016-07-07
Publication date: 2016-10-26
Anticipated expiration: 2036-07-07
Also published as: CN106050354B

Abstract

The invention discloses an oil filter. The invention provides an oil filter, wherein a bypass-valve is simple in fixing mode and convenient to disassemble and assemble, and the filter area of a filter element can be increased to guarantee the oil quality. The oil filter solves the technical problems that in the prior art, the bypass-valve is tedious to fix, the oil filter is time and labor-consuming to mount, a filter element assembly needs to be disassembled if being replaced, and the using cost is high. The oil filter comprises a filter housing and a filter element assembly arranged in the filter housing, wherein an oil inlet is formed in the top face of the filter housing corresponding to the outer side of an upper port of the filter element assembly, a bypass-valve is arranged at a lower port of the filter element assembly, and a base bracket covers the lower port of the filter element assembly; the base bracket comprises a bypass-valve locating barrel which extends into a hole in the filter element assembly, the lower port of the bypass-valve locating barrel extends outward along the lower end face of the filter element assembly to form a supporting ring, the edge of the supporting ring further extends downward to form a plurality of supporting legs, the supporting legs elastically prop against the bottom face of the filter housing, and the bypass-valve is fixed on the bottom face of the bypass-valve locating barrel in a penetrating manner.

Description

Oil filter

Technical field

The present invention relates to a kind of cleaner, particularly relate to a kind of simple in construction, bypass valve easy accessibility, and filter element can be increased Filter area, it is ensured that the oil filter of engine oil quality.

Background technology

Electromotor can produce the wearers such as substantial amounts of iron filings after long-play, and wearer can be with machine oil in oil circuit system System circulates, and the effect of machine oil mainly lubricates, cools down and clean each component parts, has impurity as in machine oil, not only increases Component part weares and teares, and even affects the properly functioning of electromotor time serious, the most in use must be to engine motor oil Carry out filtering process.Existing automobile engine typically uses cleaner that machine oil is carried out real time filtering, to remove in machine oil Dust, carbon precipitates and coal soot, and the impurity such as iron filings, it is ensured that the phases such as bent axle, connecting rod, camshaft, supercharger, piston ring Close the properly functioning of kinematic pair, extend the service life of related components and guarantee the properly functioning of electromotor.Therefore oil strainer The performance of clear device directly affects the performance and used life of electromotor, and the normal operation to electromotor plays pivotal role.Due to Existing oil filter, can gradually miscellaneous by machine oil after filter paper uses a period of time generally by filter element filtering impurity Matter blocks and loses oil strain and oil supply function, and in order to ensure that fuel feeding is smooth and easy, oil filter is provided with bypass valve arrangement mostly, when After filter element blocking, bypass valve can be opened under oil pressure effect, allows the machine oil of filtered directly feed, to guarantee in emergency Lower electromotor remains properly functioning, implements to report to the police further through travel switch while bypass valve is opened, and reminds driver timely Change filter element, it is to avoid the long-time filter fuel feeding that loses causes the abrasion of associated components.But the bypass valve in existing cleaner typically passes through The modes such as base support spot welding or riveting are fixed on bottom filter element, and not only assembling wastes time and energy, and need same when changing element kit Time change, thus cause use cost to improve.

Summary of the invention

It is simple that the present invention mainly provides a kind of bypass valve fixed form, easy accessibility, and can increase filter element filtering face Long-pending, it is ensured that the oil filter of engine oil quality, solve bypass valve present in prior art and fix loaded down with trivial details, not only during installation fee Arduously, and element kit change time need to change simultaneously, the technical problem that use cost is high.

The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: a kind of oil filter, Including filter case and be hung on the element kit in filter box body, cleaner corresponding outside element kit upper port Housing end face is provided with oil-in, is provided with bypass valve in element kit lower port, sets in described element kit lower port upper cover Base support, base support is had to include the bypass valve positioning bucket extending in element kit mesopore, the lower end of bypass valve positioning bucket Mouth carries over the lower surface of element kit and stretches out formation support ring, and the edge of support ring is the most outwards downwardly extending several Propping up spike, a spike elasticity is connected on the bottom surface of filter case, and bypass valve runs through the bottom surface being fixed on bypass valve positioning bucket On.Fixing bypass valve by the bypass valve positioning bucket on base support, the lower surface of bypass valve positioning bucket forms again support ring and props up Support is on the lower surface of element kit, and support ring the most outwards downwardly extends several spike elasticity and is connected to filter case On bottom surface, bypass valve positioning bucket therein, support ring, a spike use integral type to connect, simple in construction, and intensity is high；During installation The base support that only need to will be equipped with bypass valve is placed on bottom filter case, and makes a spike keep horizontal support, then will filter Core assembly mesopore is sleeved on bypass valve positioning bucket, and support ring flats against element kit lower surface assembly and i.e. completes to install, bypass Valve fixed form is simple, easy accessibility；Simultaneously because base support is connected to the bottom surface of filter case by a spike elasticity On, therefore can reduce the distance between element kit lower surface and filter case bottom surface further, thus it is long to increase element kit Degree, i.e. adds the filter area of filter element, thus extends filter element service life, it is ensured that oil filtration quality.

As preferably, the outboard end of described spike carries over the bottom surface of filter case and stretches out formation supporting surface, The outboard end in support face upwardly extends formation and deters head.The outboard end propping up spike stretches out at the bottom of formation supporting surface and filter case Face keeps being slidably connected, and the outboard end of supporting surface upwardly extends again formation and deters head, thus avoids propping up spike when installing and outwards slide Its outboard end dynamic is stuck on the bottom surface of filter case, improves reliability.

As it is further preferred that the junction of described supporting surface and spike, and supporting surface is with the junction deterring head Arc surfaced transition connects.The two ends of supporting surface are passed through arc surfaced and are kept transition to be connected with propping up spike and deterring head, both can ensure to prop up The intensity of spike, two corner generation stuck phenomena when can avoid again installing.

The downward projection of base support can be the shapes such as circle, polygon, as preferably, and the vertical view of described base support Being projected as kidney ellipsoid, the base support in circular arc projects and is arranged with sector notch in the middle part of two ends, and the both sides of sector notch are divided Xing Cheng not prop up spike.When the downward projection of base support is kidney ellipsoid, base support can be by the sheet metal forming of kidney ellipsoid Being shaped as, materials are few, simple in construction.

As preferably, described bypass valve includes extending to the link plate outside positioning bucket bottom surface, extending downward below also of link plate Forming well-bucket through positioning bucket bottom surface, form annular gap between well-bucket and positioning bucket bottom surface, the lower end of well-bucket stretches out formation Hook plate, outside the well-bucket hooked between plate and positioning bucket bottom surface, be set with compression spring.Bypass valve arrangement is simple, it is easy to install.

As it is further preferred that be covered with the elastic filter screen of drum-shaped outside described well-bucket, the two ends of elastic filter screen are respectively to place Extend and be clamped between compression spring and positioning bucket bottom surface, and between compression spring and hook plate.By setting elastic filter at well-bucket outer housing Net, and make the two ends of elastic filter screen be clamped between compression spring and positioning bucket bottom surface, and between compression spring and hook plate, used Journey is blocked when filter element, when oil pressure raises and overhead bypass valve opens up bypass valve positioning bucket mesopore, in filter box body not Filtered oil is through elastic filter screen entrance element kit mesopore to electromotor each associated components fuel feeding, and now machine oil is through elasticity Filter screen has carried out interim filtration, thus can stop bigger impurity, after entering, electromotor causes the damage that cannot retrieve, and extends The service life of electromotor；Owing to the two ends of elastic filter screen are clamped between compression spring and positioning bucket bottom surface, hence into filter element The machine oil of assembly mesopore can ensure to filter completely when elastic filter screen, easy for installation, is skillfully constructed, and reliability is high.

Therefore, the oil filter of the present invention has an advantage that bypass valve positioning bucket, support ring, a spike use one Body formula connects, simple in construction, and intensity is high；The base support that only need to will be equipped with bypass valve during installation is placed at the bottom of filter case Portion, then element kit mesopore is sleeved on bypass valve positioning bucket, support ring flats against element kit lower surface assembly and i.e. completes Installing, bypass valve fixed form is simple, easy accessibility；Simultaneously because base support is connected to filter box by a spike elasticity On the bottom surface of body, further reduce the distance between element kit lower surface and filter case bottom surface, add the mistake of filter element Filtering surface amasss, thus extends filter element service life, it is ensured that oil filtration quality；Elasticity is set by the well-bucket outer housing at bypass valve Filter screen, thus can stop bigger impurity, after entering, electromotor causes the damage that cannot retrieve, extend the use longevity of electromotor Life.

Accompanying drawing illustrates:

Fig. 1 is the structural representation of a kind of oil filter of the present invention；

Fig. 2 is bypass valve and the connection diagram of base support in the present invention；

Fig. 3 is the top view of base support in the present invention.

Detailed description of the invention:

Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.

Embodiment:

As it is shown in figure 1, a kind of oil filter of the present invention, including filter case 1 and be hung on the filter in filter case 1 Core assembly 2, element kit 2 upper port connects the end face of filter case 1, filter corresponding outside element kit 2 upper port With oil-in 3 on clear device housing 1 end face, in the lower port of element kit 2 equipped with bypass valve 4, the filter element corresponding with bypass valve 4 The lower port upper cover of assembly 2 is filled with base support 5, as in figure 2 it is shown, base support 5 includes that interworking extends to element kit 2 mesopore Interior circular bypass valve positioning bucket 51, the lower port of bypass valve positioning bucket 51 carries over the outside level in lower surface of element kit 2 Extending and form support ring 52, the outer side edges of support ring 52, along being the most outwards downwardly extending four spikes 53, props up spike 53 Outboard end carries over the bottom surface of filter case 1 and stretches out formation supporting surface 54, and the outboard end of supporting surface 54 is the most upwards to extension Stretch formation and deter 55, bypass valve positioning bucket 51, support ring 52, spike 53, a supporting surface 54 and to deter 55 be integral type company Connect, the junction of supporting surface 54 and a spike 53, and supporting surface 54 is arc surfaced transition even with the junction deterring 55 Connecing, as it is shown on figure 3, the downward projection of base support 5 is kidney ellipsoid, the base support 5 in circular arc projects in the middle part of two ends symmetrical Being punched out sector notch 56, sector notch 56 extends to support ring 52, and the both sides of sector notch 56 form one spike respectively 53, a spike 53 is connected on the bottom surface of filter case 1 by supporting surface 54 elasticity, and bypass valve 4 coaxially lifts and is fixed on side On the bottom surface of logical valve positioning bucket 51, bypass valve 4 includes again the circular link plate 41 extending to outside positioning bucket 51 bottom surface, link plate 41 Extend downward below and pass positioning bucket 51 bottom surface and form well-bucket 42, between well-bucket 42 and positioning bucket 51 bottom surface, form annular gap 6, The lower end of well-bucket 42 stretches out to be formed and hooks plate 43, is set with compression bullet outside the well-bucket 42 hooked between plate 43 and positioning bucket 51 bottom surface Spring 44, well-bucket 42 outer housing corresponding in compression spring 44 is equipped with the elastic filter screen 7 of drum-shaped, and the two ends of elastic filter screen 7 are respectively Horizontal-extending and be clamped between compression spring 44 upper surface and positioning bucket 51 bottom surface to place, and compression spring 44 lower surface with hook plate Between 43.

Specific embodiment described herein is only the design explanation for example to the present invention.Technology belonging to the present invention Described specific embodiment can be made various amendment or supplements or use similar mode by the technical staff in field Substitute, but without departing from the spirit of the present invention or surmount scope defined in appended claims.

Claims

1. an oil filter, including filter case (1) and the element kit (2) that is hung in filter case (1), Filter case (1) end face corresponding outside element kit (2) upper port is provided with oil-in (3), in element kit (2) lower end Mouth is provided with bypass valve (4), it is characterised in that: in described element kit (2) lower port, it is covered with base support (5), base Support (5) includes the bypass valve positioning bucket (51) extending in element kit (2) mesopore, the lower port of bypass valve positioning bucket (51) Carrying over the lower surface of element kit (2) to stretch out formation support ring (52), the edge of support ring (52) the most outwards downwardly extends Forming several spikes (53), spike (53) elasticity is connected on the bottom surface of filter case (1), and bypass valve (4) runs through It is fixed on the bottom surface of bypass valve positioning bucket (51).

Oil filter the most according to claim 1, it is characterised in that: the outboard end of described spike (53) carries over filtering The bottom surface of device housing (1) stretches out and forms supporting surface (54), and the outboard end of supporting surface (54) upwardly extends formation and deters head (55).

Oil filter the most according to claim 2, it is characterised in that: described supporting surface (54) and the company propping up spike (53) Meet place, and supporting surface (54) is arc surfaced transition with the junction deterring head (55) and is connected.

4. according to the oil filter described in claim 1 or 2 or 3, it is characterised in that: the vertical view of described base support (5) is thrown Shadow is kidney ellipsoid, and the base support (5) in circular arc projects and is arranged with sector notch (56), sector notch (56) in the middle part of two ends Both sides form spike (53) respectively.

5. according to the oil filter described in claim 1 or 2 or 3, it is characterised in that: described bypass valve (4) includes extending to Link plate (41) outside positioning bucket (51) bottom surface, positioning bucket (51) bottom surface that extends downward below and pass of link plate (41) forms well-bucket (42), forming annular gap (6) between well-bucket (42) and positioning bucket (51) bottom surface, the lower end of well-bucket (42) stretches out to be formed and hooks plate (43), outside the well-bucket (42) hooked between plate (43) and positioning bucket (51) bottom surface, it is set with compression spring (44).

Oil filter the most according to claim 5, it is characterised in that: outside described well-bucket (42), it is covered with drum-shaped Elastic filter screen (7), the two ends of elastic filter screen (7) extend to place respectively and are clamped in compression spring (44) and positioning bucket (51) bottom surface Between, and between compression spring (44) and hook plate (43).