CN210948955U

CN210948955U - Filter

Info

Publication number: CN210948955U
Application number: CN201922257618.7U
Authority: CN
Inventors: 徐富
Original assignee: Ruian Huanjia Filter Co ltd
Current assignee: Ruian Huanjia Filter Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-07-07
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a filter, include: the filter cartridge comprises an upper end cover, a lower end cover, a central tube and a filter cartridge body, wherein the filter cartridge body is sleeved outside the central tube, the upper end face of the filter cartridge body is fixedly connected with the lower surface of the upper end cover, the lower end face of the filter cartridge body is fixedly connected with the upper surface of the lower end cover, oil outlets distributed in a screen mesh shape are arranged in the middle of the upper end cover, an oil inlet is formed in the edge of the upper end cover, and oil flows out of the oil outlets. For traditional column oil-out, can reduce the volume of filter through shining netted oil-out, for traditional injection moulding, through upper end cover and lower extreme cover and the direct face-to-face contact of the upper and lower terminal surface of straining a section of thick bamboo, the face that upper end cover and lower extreme cover and strain a section of thick bamboo contact does not have the outer wall promptly, under the condition of same volume, the diameter grow of straining a section of thick bamboo promptly, has increased effective filter area promptly.

Description

Filter

Technical Field

The utility model relates to the technical field of engines, in particular to filter.

Background

The filter is an accessory which plays a role of filtering impurities or gas through filter paper, generally refers to an automobile filter, is an accessory of an engine, is used for being connected with a piston type machine, and can avoid sucking impurities such as dust and the like when an internal combustion engine or a compressor works so as to avoid the abrasion of the accessory and play a role of protecting and prolonging the service life of a transmitter.

When the existing filter needs a larger filtering area, the volume is also larger, so that the space utilization rate is poorer.

Therefore, how to provide a filter with increased filtering area while reducing the volume is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a filter, which can reduce the volume and increase the filtering area.

In order to achieve the above object, the utility model provides a following technical scheme:

a filter, comprising: the filter drum comprises an upper end cover, a lower end cover, a central tube and a filter drum, wherein the filter drum is sleeved outside the central tube, the upper end surface of the filter drum is fixedly connected with the lower surface of the upper end cover, the lower end surface of the filter drum is fixedly connected with the upper surface of the lower end cover, an oil outlet which is distributed in a screen mesh shape is arranged in the middle of the upper end cover, and an oil inlet is arranged at the edge of the upper end cover.

Preferably, the oil inlet is a plurality of through holes distributed on the edge of the upper end cover.

Preferably, a first groove for mounting a first sealing ring is formed in the circumferential direction of the oil outlet.

Preferably, the first sealing ring and the first groove are mutually clamped through a protrusion and a clamping groove.

Preferably, the height of the first groove is higher than that of the outer edge of the upper end cover, and the surface from the outer side of the first groove to the outer edge of the upper end cover is an inner concave arc surface.

Preferably, the sealing device further comprises a second sealing ring, and a second groove used for matching connection of the periphery of the upper end cover is formed in the inner side of the second sealing ring.

Preferably, a convex column is arranged below the lower end cover, a blind hole with a downward opening is formed in the convex column, and threads are arranged in the blind hole.

Compared with the prior art, the technical scheme has the following advantages:

the utility model provides a filter, include: the filter cartridge comprises an upper end cover, a lower end cover, a central tube and a filter cartridge body, wherein the filter cartridge body is sleeved outside the central tube, the upper end face of the filter cartridge body is fixedly connected with the lower surface of the upper end cover, the lower end face of the filter cartridge body is fixedly connected with the upper surface of the lower end cover, oil outlets distributed in a screen mesh shape are arranged in the middle of the upper end cover, an oil inlet is formed in the edge of the upper end cover, and oil flows out of the oil outlets. For traditional column oil-out, can reduce the volume of filter through shining netted oil-out, for traditional injection moulding, through upper end cover and lower extreme cover and the direct face-to-face contact of the upper and lower terminal surface of straining a section of thick bamboo, the face that upper end cover and lower extreme cover and strain a section of thick bamboo contact does not have the outer wall promptly, under the condition of same volume, the diameter grow of straining a section of thick bamboo promptly, has increased effective filter area promptly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a filter according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a filter according to an embodiment of the present invention;

fig. 3 is a schematic front sectional view of a filter according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first sealing ring of a filter according to an embodiment of the present invention.

The reference numbers are as follows:

1 is an upper end cover, 11 is an oil outlet, 12 is an oil inlet, 2 is a lower end cover, 21 is a convex column, 3 is a central tube, 4 is a filter cylinder, 5 is a first sealing ring, and 6 is a second sealing ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, fig. 1 is a schematic structural view of a filter according to an embodiment of the present invention; FIG. 2 is a schematic top view of a filter according to an embodiment of the present invention; fig. 3 is a schematic front sectional view of a filter according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a first sealing ring of a filter according to an embodiment of the present invention.

The embodiment of the utility model provides a filter, include: the oil filter comprises an upper end cover 1, a lower end cover 2, a central tube 3 and a filter cartridge 4, wherein the filter cartridge 4 is preferably filter paper with a cylindrical structure, the filter cartridge 4 is sleeved outside the central tube 3, the upper end surface of the filter cartridge 4 is fixedly connected with the lower surface of the upper end cover 1, the lower end surface of the filter cartridge 4 is fixedly connected with the upper surface of the lower end cover 2, preferably, the filter cartridge 4 is connected in a hot plate welding mode, an oil outlet 11 which is distributed in a screen shape is formed in the middle of the upper end cover 1, an oil inlet 12 is formed in the edge of the upper end cover 1, and oil flows out of. Traditional oil-out 11 is for setting up several stands in the end cover middle part, and oil has increased the volume of filter from the process of stand, and traditional 4 fixed modes of straining are injection moulding, and the face of upper and lower end cover 2 and straining a 4 contact all has the outer wall. For traditional column oil-out 11, the volume of filter can be reduced through shining netted oil-out 11 to this application, for traditional injection moulding, this application through upper end cover 1 and lower extreme cover 2 with strain the direct face-to-face contact of the upper and lower terminal surface of a section of thick bamboo 4, the face that upper end cover 1 and lower extreme cover 2 contacted with straining a section of thick bamboo 4 does not have the outer wall promptly, under the condition of the same volume, strain the diameter grow of a section of thick bamboo 4, has increased effective filter area promptly.

Specifically, the oil inlet 12 is a plurality of through holes distributed on the edge of the upper end cover 1, and some impurities with larger particles can be intercepted through the plurality of through holes.

Further, the first groove for installing the first sealing ring 5 is arranged in the circumferential direction of the oil outlet 11, specifically, the first sealing ring 5 and the first groove are mutually clamped through a protrusion and a clamping groove, for example, four clamping blocks are uniformly arranged on the periphery of the first sealing ring 5, correspondingly, the clamping groove corresponding to the clamping blocks is arranged on the inner side of the first groove, the positions of the clamping blocks and the clamping groove can be mutually replaced, and the shapes of the clamping blocks and the clamping groove are preferably dovetail-shaped.

In order to facilitate the oil to enter from the oil inlet 12, the height of the first groove is higher than that of the outer edge of the upper end cover 1, and the surface of the outer edge of the outer side of the first groove and the outer edge of the upper end cover 1 is an inner concave arc surface, namely the inner concave arc surface plays a role in guiding the oil to circulate.

Further, still include second sealing washer 6, the inboard of second sealing washer 6 is equipped with the second recess that is used for the periphery cooperation of upper end cover 1 to connect, and wherein second sealing washer 6 can be moulded plastics to the periphery of upper end cover 1.

In addition, a convex column 21 is arranged below the lower end cover 2, a blind hole with a downward opening is arranged on the convex column 21, the blind hole is preferably of a stepped structure, and threads are arranged in the blind hole and used for being matched with other parts and components for installation.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above is a detailed description of the filter provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A filter, comprising: the filter drum comprises an upper end cover, a lower end cover, a central tube and a filter drum, wherein the filter drum is sleeved outside the central tube, the upper end surface of the filter drum is fixedly connected with the lower surface of the upper end cover, the lower end surface of the filter drum is fixedly connected with the upper surface of the lower end cover, an oil outlet which is distributed in a screen mesh shape is arranged in the middle of the upper end cover, and an oil inlet is arranged at the edge of the upper end cover.

2. The filter of claim 1, wherein the oil inlet is a plurality of through holes distributed in the edge of the upper end cover.

3. The filter of claim 1, wherein the outlet port is circumferentially provided with a first groove for mounting a first seal ring.

4. A filter according to claim 3, wherein the first sealing ring and the first groove are snap-fitted to each other by means of a projection and a catch.

5. The filter of claim 3, wherein the height of the first groove is higher than the height of the outer edge of the upper end cover, and the surface from the outer side of the first groove to the outer edge of the upper end cover is an inner concave circular arc surface.

6. The filter of claim 1, further comprising a second seal ring having a second groove on an inner side thereof for mating engagement with an outer periphery of the upper end cap.

7. The filter of any one of claims 1 to 6, wherein a convex column is arranged below the lower end cover, a blind hole with a downward opening is arranged on the convex column, and a thread is arranged in the blind hole.