CN211302248U

CN211302248U - Oil filter

Info

Publication number: CN211302248U
Application number: CN201922278377.4U
Authority: CN
Inventors: 张海林; 张洪兵; 朱晓峰
Original assignee: Xinxiang Tiancheng Aviation Purification Equipment Co ltd
Current assignee: Xinxiang Tiancheng Aviation Purification Equipment Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-21
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a fluid filter, essence core bottom inboard is fixed with inside and outside safe valve and the safe filter core who sets up through the valve supporting seat, be equipped with the bypass oil-out relative with safe valve on the essence core bottom of valve supporting seat inboard, sealing connection has the reposition of redundant personnel filter core on the bypass oil-out, this reposition of redundant personnel filter core is by the reposition of redundant personnel filter core connector with bypass oil-out sealing connection, be fixed in the reposition of redundant personnel filter core end cover of reposition of redundant personnel filter core connector, reposition of redundant personnel filter core bottom and interior overcoat are established and are installed the reposition of redundant personnel filter core inner frame and the reposition of redundant personnel filter core exoskeleton between. The utility model has the advantages of simple structure, reasonable in design, easy dismounting and prevent that fluid from producing the foam effect better.

Description

Oil filter

Technical Field

The utility model belongs to the technical field of return oil pipe way or the filter equipment of new refueling liquid, concretely relates to fluid filter.

Background

In existing fuel pump or mechanical hydraulic systems, pressure limiting valves are often used as safety valves to limit the maximum pressure to protect the fuel pump or to enable fuel bypass under specified conditions. After the oil filter is used for a period of time, the filtering effect of the filter element is poor, so that the internal and external pressure difference of the filter element is increased, when the oil pressure on the inner side of the filter element exceeds the oil pressure on the outer side of the filter element to reach a certain difference value, the safety valve is promoted to overcome the elastic action of the spring, the safety valve is further promoted to be opened, the inner side and the outer side of the filter element are communicated until the fuel pressure reaches balance, and in the process, dirt filtered and intercepted on the inner side of the filter element can reenter the fuel pump or a mechanical; during oil got into fuel pump or mechanical hydraulic means system from the safety valve, filter core internal pressure was higher, and the fluid velocity of flow through the safety valve is too fast, leads to the oil to annotate a large amount of foams of oil and then influences oil and system normal operating in-process.

Disclosure of Invention

The utility model provides a technical problem provide a simple structure, reasonable in design, easy dismounting and prevent that fluid from producing the better fluid filter of foam effect.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme, a fluid filter, its characterized in that includes essence filter end cover and essence filter bottom and the installation is fixed in the essence filter between essence filter end cover and the essence filter bottom, essence filter bottom inboard is fixed with inside and outside safety valve and the safety filter who sets up through the valve supporting seat, be equipped with the bypass oil-out relative with safety valve on the essence filter bottom of valve supporting seat inboard, sealing connection has the reposition of redundant personnel filter core on the bypass oil-out, this reposition of redundant personnel filter core is by the reposition of redundant personnel filter core connector with bypass oil-out sealing connection, be fixed in the reposition of redundant personnel filter end cover of reposition of redundant personnel filter core connector, reposition of redundant personnel filter bottom and overcoat are established and are installed reposition of redundant personnel filter core endoskeleton and.

Further preferably, a handle is arranged on the outer side of the fine filter end cover and used for conveniently installing the oil filter in the oil tank filling opening or the oil return opening, a pressing ring is arranged on the fine filter end cover on the outer side of the fine filter, and an O-shaped sealing ring used for achieving sealing installation of the oil filter and the oil tank filling opening or the oil return opening is arranged on the inner side of the pressing ring.

Preferably, the valve supporting seat is a tubular step body supporting seat, the bottom end of the tubular step body supporting seat is fixed on a fine filter element bottom cover adjacent to the inner side of the fine filter element, a safety filter element end cover is fixed on an upper step of the tubular step body supporting seat, the safety filter element end cover is fixed at the other end of the safety filter element through a safety filter element bottom cover after the safety filter element is installed on the safety filter element end cover, and a safety valve for realizing one-way flow of oil from an inner cavity of the fine filter element to the bypass oil outlet is installed on the upper step of the tubular step body supporting seat on the inner side of.

Further preferred, reposition of redundant personnel filter core connector sealing boot locates in the bypass oil outlet and through the screw sealing connection of radial setting, reposition of redundant personnel filter core connector outside is equipped with annular boss, reposition of redundant personnel filter core end cover middle part through-hole cover locate on the reposition of redundant personnel filter core connector and reposition of redundant personnel filter core end cover and reposition of redundant personnel filter core connector on annular boss fixed connection, form draw-in groove on the filter core between reposition of redundant personnel filter core end cover outer fringe turn-ups and the reposition of redundant personnel filter core connector, reposition of redundant personnel filter core bottom outer fringe is equipped with draw-in groove under the filter core relative with draw-in groove on the filter core, the reposition of redundant personnel filter core inner frame and the reposition of redundant personnel filter core outer frame both ends that set.

Further preferably, be equipped with the indentation that is used for reinforcing reposition of redundant personnel filter core inner frame intensity on the reposition of redundant personnel filter core inner frame, this reposition of redundant personnel filter core inner frame's filter fineness is 10mm, be equipped with the indentation that is used for reinforcing reposition of redundant personnel filter core outer frame intensity on the reposition of redundant personnel filter core outer frame, this reposition of redundant personnel filter core outer frame's filter fineness is 8 mm.

Compared with the prior art, the utility model following beneficial effect has: 1. the utility model has the advantages of high reliability, long service life, good control quality, wide applicable flow pressure difference range and the like, and effectively prolongs the operation period of the fuel pump or the mechanical hydraulic device system; 2. because the fluid velocity of flow through safety valve is too fast, the utility model discloses an install reposition of redundant personnel filter core additional and be used for reducing the velocity of flow and the flow that gets into oil tank fluid, avoid a large amount of foams of fluid and influence oil and system normal operating.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the flow dividing filter element of the present invention;

FIG. 3 is a schematic view of an assembly structure of a connection head and an end cap of a shunt filter element of the present invention;

fig. 4 is a schematic structural view of the split-flow filter element connector of the present invention;

FIG. 5 is a schematic structural view of a middle flow-dividing filter element end cap according to the present invention;

FIG. 6 is a schematic structural view of the outer frame of the middle split-flow filter element of the present invention;

FIG. 7 is a schematic structural view of the inner frame of the middle split-flow filter element of the present invention;

fig. 8 is a schematic structural view of the middle shunt filter element bottom cover of the present invention.

In the figure: 1-fine filter end cover, 2-fine filter bottom cover, 3-fine filter, 4-valve support base, 5-safety valve, 6-safety filter, 7-bypass oil outlet, 8-shunt filter connector, 9-shunt filter end cover, 10-shunt filter bottom cover, 11-shunt filter inner frame, 12-shunt filter outer frame, 13-handle, 14-press ring, 15-O type seal ring, 16-safety filter end cover, 17-safety filter bottom cover, 18-safety valve fixing base.

Detailed Description

The technical scheme of the utility model is described in detail by combining the attached drawings, an oil filter comprises a fine filter end cover 1, a fine filter bottom cover 2 and a fine filter 3 fixed between the fine filter end cover 1 and the fine filter bottom cover 2, a safety valve 5 and a safety filter element 6 arranged inside and outside are fixed at the inner side of the fine filter bottom cover 2 through a valve support seat 4, a bypass oil outlet 7 opposite to the safety valve 5 is arranged on the fine filter bottom cover 2 at the inner side of the valve support seat 4, a shunt filter element is connected on the bypass oil outlet 7 in a sealing way, the shunting filter element consists of a shunting filter element connector 8 which is hermetically connected with the bypass oil outlet 7, a shunting filter element end cover 9 which is fixed on the shunting filter element connector 8, a shunting filter element bottom cover 10, and a shunting filter element inner framework 11 and a shunting filter element outer framework 12 which are internally and externally sleeved and arranged between the shunting filter element end cover 9 and the shunting filter element bottom cover 10.

The utility model discloses a handle 13 is arranged outside fine filter element end cover 1 for conveniently installing the oil filter in the oil tank filling opening or oil return opening, a press ring 14 is arranged on fine filter element end cover 1 outside fine filter element 3, and an O-shaped seal ring 15 for realizing the sealed installation of the oil filter and the oil tank filling opening or oil return opening is arranged inside the press ring 14; the valve supporting seat 4 is a cylindrical step body supporting seat, the bottom end of the cylindrical step body supporting seat is fixed on a fine filter element bottom cover 2 close to the inner side of the fine filter element 3, a safety filter element end cover 16 is fixed on the upper step of the cylindrical step body supporting seat, the safety filter element end cover 16 is fixed at the other end of the safety filter element 6 through a safety filter element bottom cover 17 after the safety filter element 6 is installed on the safety filter element end cover 16, and a safety valve 5 for realizing one-way flow of oil from the inner cavity of the fine filter element 3 to a bypass oil outlet 7 is installed on the upper step of the cylindrical step body supporting seat on the.

Reposition of redundant personnel filter core connector 8 sealing boot locate in bypass oil-out 7 and through the screw sealing connection of radial setting, reposition of redundant personnel filter core connector 8 outside is equipped with annular boss, reposition of redundant personnel filter core end cover 9 middle part through-hole cover locate on reposition of redundant personnel filter core connector 8 and reposition of redundant personnel filter core end cover 9 and reposition of redundant personnel filter core connector 8 on annular boss fixed connection, reposition of redundant personnel filter core end cover 9 outer fringe turn-ups and reposition of redundant personnel filter core connector 8 between form the filter core on draw-in groove, reposition of redundant personnel filter core bottom 10 outer fringe is equipped with draw-in groove under the filter core relative with draw-in groove on the filter core, the reposition of redundant personnel filter core inner frame 11 of inside and outside setting and reposition of redundant personnel filter core outer frame 12 both ends are fixed in respectively.

Be equipped with the indentation that is used for reinforcing reposition of redundant personnel filter core inner frame 11 intensity on reposition of redundant personnel filter core inner frame 11, this reposition of redundant personnel filter core inner frame 11's filter fineness is 10mm, be equipped with the indentation that is used for reinforcing reposition of redundant personnel filter core outer frame 12 intensity on reposition of redundant personnel filter core outer frame 12, this reposition of redundant personnel filter core outer frame 12's filter fineness is 8 mm.

The utility model discloses a concrete theory of operation does: the utility model discloses the filter direction of fluid filter is from inside to outside, the fluid filter inserts the oil tank and uses, it gets into the fluid filter to return oil pipe way or newly refuel liquid from the left surface entry, evenly flow into the oil tank from essence filter core (precision is high) circumference, block up when essence filter core, essence filter core internal pressure risees, fluid backs down safety valve and gets into the oil tank, safety filter core (precision is low) assurance can not make unfiltered fluid get into the oil tank this moment, essence filter core internal pressure is higher, the fluid velocity of flow through safety valve is too fast, the reposition of redundant personnel filter core is used for reducing the velocity of flow and the flow of the fluid that gets into the oil tank this moment, avoid a large amount of foams of fluid to.

The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an oil filter, its characterized in that includes essence filter end cover and essence filter bottom and install the essence filter that is fixed in between essence filter end cover and the essence filter bottom, essence filter bottom inboard is fixed with inside and outside safe valve and the safe filter core that sets up through the valve supporting seat, be equipped with the bypass oil-out relative with safe valve on the essence filter bottom of valve supporting seat inboard, sealing connection has the reposition of redundant personnel filter core on the bypass oil-out, this reposition of redundant personnel filter core by with bypass oil-out sealing connection's reposition of redundant personnel filter core connector, be fixed in the reposition of redundant personnel filter end cover of reposition of redundant personnel filter core connector, reposition of redundant personnel filter bottom and interior overcoat are established and are installed reposition of redundant personnel filter core inner frame and.

2. The oil filter of claim 1, wherein: the utility model discloses a portable oil filter, including fine filter core end cover, oil tank filler or oil return opening, fine filter core end cover outside is equipped with the handle for conveniently install fluid filter in oil tank filler or oil return opening, is equipped with the clamping ring on the fine filter core end cover in the fine filter core outside, and this clamping ring inboard is equipped with the O type sealing washer that is used for realizing fluid filter and oil tank filler or oil return opening seal.

3. The oil filter of claim 1, wherein: the valve supporting seat is a cylindrical step body supporting seat, the bottom end of the cylindrical step body supporting seat is fixed on a fine filter element bottom cover adjacent to the inner side of a fine filter element, a safety filter element end cover is fixed on an upper step of the cylindrical step body supporting seat, a safety filter element is installed on the safety filter element end cover and fixed at the other end of the safety filter element through the safety filter element bottom cover, and a safety valve for realizing one-way flow of oil from an inner cavity of the fine filter element to a bypass oil outlet is installed on the upper step of the cylindrical step body supporting seat on the inner side of the safety filter element through.

4. The oil filter of claim 1, wherein: the utility model discloses a bypass filter core, bypass oil outlet, reposition of redundant personnel filter core end cover middle part through-hole cover, reposition of redundant personnel filter core end cover and reposition of redundant personnel filter core connect the interior screw sealing connection of locating in the bypass oil outlet and through radial setting, the reposition of redundant personnel filter core connector outside is equipped with annular boss, reposition of redundant personnel filter core end cover middle part through-hole cover locate on the reposition of redundant personnel filter core connector and reposition of redundant personnel filter core end cover and reposition of redundant personnel filter core connect on annular boss fixed connection, form draw-in groove on the filter core between reposition of redundant personnel filter core end cover outer fringe turn-ups and the reposition of redundant personnel filter core.

5. The oil filter of claim 1, wherein: be equipped with the indentation that is used for reinforcing reposition of redundant personnel filter core inner frame intensity on the reposition of redundant personnel filter core inner frame, this reposition of redundant personnel filter core inner frame's filter fineness is 10mm, be equipped with the indentation that is used for reinforcing reposition of redundant personnel filter core outer frame intensity on the reposition of redundant personnel filter core outer frame, the filter fineness of this reposition of redundant personnel filter core outer frame is 8 mm.