CN214303991U

CN214303991U - Oil filter set

Info

Publication number: CN214303991U
Application number: CN202120097049.9U
Authority: CN
Inventors: 王胜胜; 王彬; 张彦峰
Original assignee: Henan Peace Filters Co ltd
Current assignee: Henan Peace Filters Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-09-28
Anticipated expiration: 2031-01-14

Abstract

An oil filter unit comprises a shell, a filter cartridge and an inner framework, wherein a bypass valve is arranged at the upper part of the inner framework, a bottom plate is fixedly arranged at the lower part of the inner framework, the filter cartridge is movably sleeved on the inner framework, the upper part of the filter cartridge is hermetically and fixedly connected to the bypass valve, the lower part of the filter cartridge is sleeved on the bottom plate and hermetically connected with the bottom plate, a clamping ring is fixedly connected to the bottom plate, a clamping through groove is reserved between the clamping ring and the bottom plate, a first clamping block is fixedly arranged on the bottom surface of the shell, and the first clamping block is clamped in the clamping through groove; a second clamping block is fixedly arranged on the lower end face of the filter cylinder, a third clamping block is arranged on the bottom face of the shell, and the upper end of the third clamping block is clamped with the lower end of the second clamping block. The inner framework is fixedly connected with the shell through the matching of the clamping ring and the first clamping block, the filter cartridge is fixedly connected with the shell through the matching of the second clamping block and the third clamping block, the filter cartridge and the shell are independently assembled, the operation is convenient, and the interference between the filter cartridge and the shell is not easy to generate; the utility model discloses rational in infrastructure, the assembly of being convenient for, functional stability is good.

Description

Oil filter set

Technical Field

The utility model relates to an oil cleaner subassembly's connection structure, concretely relates to oil cleaner group.

Background

In an engine oil supply module of an engine lubrication system, an oil filter is used for removing impurities such as dust, metal particles, carbon deposits, soot particles and the like in engine oil to protect an engine.

The high-quality oil filter is provided with a bypass valve, and when the external temperature is reduced to a certain value or the oil filter exceeds the normal service life, the bypass valve can be opened under the action of a certain pressure, so that the unfiltered oil can directly flow into the engine. As a result, impurities in the oil enter the engine, but are much less lost than if the engine were empty. Therefore, the bypass valve is critical to protect the engine in an emergency. Usually, the bypass valve is installed in the housing of the oil filter or on the inner frame of the filter element, but most of them have complicated structure and great difficulty in assembly and maintenance.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model provides an oil cleaner group.

An oil filter unit comprises a shell, a filter cartridge and an inner framework, wherein a bypass valve is arranged at the upper part of the inner framework, a bottom plate is fixedly arranged at the lower part of the inner framework, the filter cartridge is movably sleeved on the inner framework, the upper part of the filter cartridge is hermetically and fixedly connected to the bypass valve, the lower part of the filter cartridge is sleeved on the bottom plate and hermetically connected with the bottom plate, the lower end surfaces of the bottom plate and the filter cartridge are in clearance fit with the bottom surface of the shell, a clamping ring is fixedly connected to the position, between the bottom plate and the shell, on the bottom plate, a clamping through groove is reserved between the clamping ring and the bottom plate, a first clamping block is fixedly arranged on the bottom surface of the shell corresponding to the clamping through groove, and the first clamping block is clamped in the clamping through groove; a second clamping block is fixedly arranged on the lower end face of the filter cylinder and positioned between the filter cylinder and the shell, a third clamping block is arranged on the bottom face of the shell and corresponds to the second clamping block, and the upper end of the third clamping block is clamped with the lower end of the second clamping block.

Further: the clamping ring is arranged along the edge of the bottom plate, the clamping ring is in clearance fit with the bottom plate, connecting blocks are distributed between the clamping ring and the bottom plate, and the clamping through grooves are formed among the bottom plate, the clamping ring and the adjacent connecting blocks; the first clamping block is located on the inner side of the clamping ring, and a clamping flap integrally arranged at the upper end of the first clamping block is clamped in the clamping through groove.

Further: the second clamping block and the third clamping block are arranged in a staggered mode, and a clamping flap integrally arranged at the lower end of the second clamping block is clamped with a clamping flap integrally arranged at the upper end of the third clamping block.

Further: the bypass valve comprises a return spring and a valve body, an end cover is arranged at the upper end of the filter cylinder, an inlet is formed in the middle of the end cover, discharge ports are circumferentially distributed in the end cover along the inlet, the valve body is in butt joint with the inner side of the end cover and attached to the end cover, the valve body covers the inlet and the discharge ports, a liquid inlet is formed in the position, corresponding to the inlet, of the valve body, the edge of the liquid inlet is convexly arranged in the inlet, and two ends of the return spring are in butt joint with the valve body and the inner framework respectively. When the pressure in the filter cartridge is excessive, the pressure acts on the portion of the valve body projecting into the inlet port, thereby moving the valve body and opening the drain port.

Further: be equipped with sealed the pad between valve body and the end cover, sealed pad fixed connection is in on the valve body, increase the sealed effect of valve body and escape orifice.

The utility model has the advantages that: the inner framework is fixedly connected with the shell through the matching of the clamping ring and the first clamping block, the filter cartridge is fixedly connected with the shell through the matching of the second clamping block and the third clamping block, the filter cartridge and the shell are independently assembled, the operation is convenient, and the interference between the filter cartridge and the shell is not easy to generate; the bypass valve is simple in structure and low in cost, pressure relief is realized by matching with an end cover of the filter cartridge, and the inner framework and the filter cartridge are respectively clamped on the shell, so that the stability of the function of the bypass valve is conveniently ensured; the utility model discloses rational in infrastructure, the assembly of being convenient for, functional stability is good.

Drawings

FIG. 1 is a cross-sectional structural view of the present invention;

FIG. 2 is a schematic structural diagram of the area A in FIG. 1;

FIG. 3 is a schematic structural diagram of the region B in FIG. 1;

fig. 4 is a schematic view of the assembly structure of the middle inner frame and the bypass valve of the present invention.

In the figure, 1, a bypass valve; 11. a liquid inlet; 12. a drain port; 13. a valve body; 14. a return spring; 16. a gasket; 2. an inner skeleton; 3. a filter cartridge; 31. a second fixture block; 32. an end cap; 33. an inlet; 4. a housing; 41. a third fixture block; 42. a first clamping block; 5. a base plate; 51. a collar; 52. connecting blocks; 53. the card is connected with the through groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. The terms of left, middle, right, upper and lower directions in the examples of the present invention are only relative concepts or reference to the normal use status of the product, and should not be considered as limiting.

An oil filter pack, as shown in fig. 1 and 2, includes a housing 4, a filter cartridge 3 and an inner frame 2, a bypass valve 1 is arranged at the upper part of the inner framework 2, a bottom plate 5 is fixedly arranged at the lower part of the inner framework 2, the filter cartridge 3 is movably sleeved on the inner framework 2, the upper part of the filter cartridge 3 is hermetically and fixedly connected on the bypass valve 1, the lower part of the filter cartridge 3 is sleeved on the bottom plate 5 and is connected with the bottom plate 5 in a sealing way, the lower end surfaces of the bottom plate 5 and the filter cartridge 3 are in clearance fit with the bottom surface of the shell 4, a clamping ring 51 is fixedly connected to the bottom plate 5 at a position between the bottom plate 5 and the shell 4, a clamping through groove 53 is reserved between the clamping ring 51 and the bottom plate 5, a first clamping block 42 is fixedly arranged on the bottom surface of the shell 5 at a position corresponding to the clamping through groove 53, and the first clamping block 42 is clamped in the clamping through groove 53; a second fixture block 31 is fixedly arranged on the lower end surface of the filter cartridge 3 between the filter cartridge 3 and the housing 4, a third fixture block 41 is arranged on the bottom surface of the housing 4 corresponding to the second fixture block 31, and the upper end of the third fixture block 41 is clamped with the lower end of the second fixture block 31.

The bottom plate 5 is in a disc shape, the circumference of the clamping ring 51 is arranged along the edge of the bottom plate 5, the clamping ring 51 is in clearance fit with the bottom plate 5, connecting blocks 52 are distributed between the clamping ring 51 and the bottom plate 5, and the clamping through groove 53 is formed among the bottom plate 5, the clamping ring 51 and the adjacent connecting blocks 52; first fixture block 42 is located the inboard of rand 51, the integrative card lamella that sets up in upper end of first fixture block 42 joint is in joint logical groove 53. The second fixture block 31 and the third fixture block 41 are arranged in a staggered manner, and a clamp flap integrally arranged at the lower end of the second fixture block 31 is mutually clamped with a clamp flap integrally arranged at the upper end of the third fixture block 41.

Referring to fig. 3 and 4, the bypass valve 1 includes a return spring 14 and a valve body 13, an end cover 32 is provided at the upper end of the filter cartridge 3, an inlet 33 is provided at the middle part of the end cover 32, a discharge opening 12 is circumferentially distributed on the end cover 32 along the inlet, the valve body 13 abuts against the inner side of the end cover 32 and is attached to the end cover 32, the valve body 13 covers the inlet 33 and the discharge opening 12, a liquid inlet 11 is provided at a position on the valve body 13 corresponding to the inlet 33, the edge of the liquid inlet 11 is convexly provided in the inlet 33, and two ends of the return spring 14 abut against the valve body 13 and the inner frame 2 respectively. When the pressure in the filter cartridge is excessive, the pressure acts on the portion of the valve body projecting into the inlet port, thereby moving the valve body and opening the drain port. And a sealing gasket 16 is arranged between the valve body 13 and the end cover 32, and the sealing gasket 16 is fixedly connected to the valve body 13.

The utility model discloses a theory of operation: the engine oil enters the filter cylinder through the inlet of the filter cylinder, then is filtered from the side wall of the filter cylinder and then penetrates out of the filter cylinder, when the filter cylinder normally works, the pressure in the filter cylinder and the pressure of the return spring are in a balanced state, the valve body is sealed on the drain opening under the action of the return spring, when the filter cylinder is used for a long time and reaches a replacement condition, the pressure in the filter cylinder is increased, so that the balance between the filter cylinder and the return spring is broken, when the pressure in the filter cylinder reaches a threshold value, the valve body compresses and deforms the return spring, the valve body leaves the drain opening, and therefore the engine oil in the filter cylinder is directly discharged out of the filter cylinder from the drain opening.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An oil filter pack characterized by: the filter cartridge comprises a shell, a filter cartridge and an inner framework, wherein a bypass valve is arranged at the upper part of the inner framework, a bottom plate is fixedly arranged at the lower part of the inner framework, the filter cartridge is movably sleeved on the inner framework, the upper part of the filter cartridge is hermetically and fixedly connected to the bypass valve, the lower part of the filter cartridge is sleeved on the bottom plate and hermetically connected with the bottom plate, the lower end surfaces of the bottom plate and the filter cartridge are in clearance fit with the bottom surface of the shell, a clamping ring is fixedly connected to the bottom plate between the bottom plate and the shell, a clamping through groove is reserved between the clamping ring and the bottom plate, a first clamping block is fixedly arranged on the bottom surface of the shell at a position corresponding to the clamping through groove, and the first clamping block is clamped in the clamping through groove; a second clamping block is fixedly arranged on the lower end face of the filter cylinder and positioned between the filter cylinder and the shell, a third clamping block is arranged on the bottom face of the shell and corresponds to the second clamping block, and the upper end of the third clamping block is clamped with the lower end of the second clamping block.

2. An oil filter pack according to claim 1 wherein: the clamping ring is arranged along the edge of the bottom plate, the clamping ring is in clearance fit with the bottom plate, connecting blocks are distributed between the clamping ring and the bottom plate, and the clamping through grooves are formed among the bottom plate, the clamping ring and the adjacent connecting blocks; the first clamping block is located on the inner side of the clamping ring, and a clamping flap integrally arranged at the upper end of the first clamping block is clamped in the clamping through groove.

3. An oil filter pack according to claim 1 wherein: the second clamping block and the third clamping block are arranged in a staggered mode, and a clamping flap integrally arranged at the lower end of the second clamping block is clamped with a clamping flap integrally arranged at the upper end of the third clamping block.

4. An oil filter pack according to claim 1 wherein: the bypass valve comprises a return spring and a valve body, an end cover is arranged at the upper end of the filter cylinder, an inlet is formed in the middle of the end cover, discharge ports are circumferentially distributed in the end cover along the inlet, the valve body is in butt joint with the inner side of the end cover and attached to the end cover, the valve body covers the inlet and the discharge ports, a liquid inlet is formed in the position, corresponding to the inlet, of the valve body, the edge of the liquid inlet is convexly arranged in the inlet, and two ends of the return spring are in butt joint with the valve body and the inner framework respectively.

5. An oil filter pack according to claim 4 wherein: and a sealing gasket is arranged between the valve body and the end cover and fixedly connected to the valve body.