CN218760732U

CN218760732U - Novel structure hydraulic pressure filter core

Info

Publication number: CN218760732U
Application number: CN202222472346.4U
Authority: CN
Inventors: 陈梦旭; 刘国军; 饶玲; 张杰峰; 蒋光顺
Original assignee: Zhejiang Zhenhang Filtration Technology Co ltd
Current assignee: Zhejiang Zhenhang Filtration Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-03-28
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a novel structure hydraulic pressure filter core belongs to tractor hydraulic pressure filter core technical field, including the end cover support, the inside threaded connection of end cover support has paper to strain the upper cover, the externally mounted that the upper cover was strained to paper has wavy cylindric filtering layer, the externally mounted of wavy cylindric filtering layer has the outer protecting wire net, the inside of wavy cylindric filtering layer is equipped with the center tube, circular through-hole has been seted up to the outside of center tube, the utility model discloses in, the end cover support strains upper cover screw thread connection with paper, when needs change this device, only need strain upper cover and end cover support with paper and break away from mutually, change paper strain upper cover, paper strain lower cover, outer protecting wire net, center tube and wavy cylindric filtering layer can, the end cover support can use many times repeatedly, the at utmost has reduced the waste of material, energy saving consumption.

Description

Novel structure hydraulic filter core

Technical Field

The utility model relates to a tractor hydraulic pressure filter core technical field specifically is a novel structure hydraulic pressure filter core.

Background

The hydraulic filter element is applied to a hydraulic system and used for filtering particle impurities in the hydraulic system to ensure the cleanliness of the hydraulic system, and in a hydraulic oil way of a tractor, the hydraulic filter element can filter out impurities and free water in a hydraulic loop and needs to be replaced frequently according to the use frequency.

Current tractor hydraulic pressure filter core when changing, often need to change whole hydraulic pressure filter core, especially when the frequency of use of tractor is too high, has more increaseed the waste of material, for this reason, has provided a novel structure hydraulic pressure filter core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel structure hydraulic pressure filter core to the current tractor hydraulic pressure filter core that proposes in solving above-mentioned background art often need to change whole hydraulic pressure filter core when changing, especially when the frequency of use of tractor is too high, has more increaseed the problem of the waste of material.

In order to achieve the above object, the utility model provides a following technical scheme: a novel structural hydraulic filter element comprises: the filter comprises an end cover support, wherein a paper filter upper cover is connected to the inner thread of the end cover support, a wavy cylindrical filter layer is mounted on the outer portion of the paper filter upper cover, an outer protecting net is mounted on the outer portion of the wavy cylindrical filter layer, a central tube is arranged inside the wavy cylindrical filter layer, and a circular through hole is formed in the outer portion of the central tube.

Preferably, a second sealing element is installed on one side of the paper filter upper cover, and when oil is produced, the second sealing element is arranged to provide sealing effect between an oil outlet of the hydraulic filter element and an oil outlet pipe connector on the filter base.

Preferably, one side of the end cover bracket, which is far away from the paper filter upper cover, is provided with a first sealing element, and after the device is installed, the first sealing element provides a sealing effect among the device, the filter shell and the filter base.

Preferably, the lower parts of the outer protecting net and the central pipe are both arranged outside the paper filter upper cover, and the outer protecting net, the central pipe and the corrugated cylindrical filter layer are both arranged outside the paper filter upper cover to provide the functions of blocking and isolating hydraulic oil.

Preferably, one end of the wavy cylindrical filter layer, which is far away from the upper paper filter cover, is provided with a lower paper filter cover, and the lower part of the device is sealed by the lower paper filter cover, so that the hydraulic oil circulates in the device.

Preferably, the center tube and the wave-shaped cylindrical filter layer are kept away from the one end of the paper filter upper cover is arranged outside the paper filter lower cover, the center tube, the wave-shaped cylindrical filter layer and the outer protecting net are fixed with the paper filter lower cover through glue water, hydraulic oil leakage is prevented, pressure difference exists inside and outside the filter when the hydraulic filter element filters, the outer protecting net can play a role in protecting the filter element from deforming, meanwhile, the wave-shaped cylindrical filter layer is composed of glass fibers and inner and outer wire nets, the outer protecting net arranged on the outermost layer can play a role in protection, and a worker is prevented from being cut by the wire nets when the hydraulic filter element is replaced.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, the end cover support strains upper cover threaded connection with paper, when this device is changed to needs, only need strain upper cover and end cover support with paper and break away from mutually, change paper strain upper cover, paper strain lower cover, outer protecting wire net, center tube and wavy cylindric filter layer can, the end cover support can use repeatedly, the at utmost has reduced the waste of material, energy saving consumed.

Drawings

Fig. 1 is a schematic view of the internal cross-sectional structure of the novel structural hydraulic filter element of the present invention;

fig. 2 is a schematic perspective view of the novel hydraulic filter element of the present invention;

fig. 3 is a schematic structural view of a paper filter lower cover and an outer protecting net in the novel structural hydraulic filter element of the present invention;

fig. 4 is a schematic structural diagram of a first sealing member and an end cover bracket in the novel structural hydraulic filter element of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of the paper filter bottom cover in the novel structural hydraulic filter element of the present invention.

In the figure: 1. a paper filter lower cover; 2. an outer protecting net; 3. a central tube; 4. a corrugated cylindrical filter layer; 5. covering the paper filter; 6. an end cap support; 7. a first seal member; 8. a second seal member; 9. and a circular through hole.

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. 1-5, the present invention provides a technical solution: a novel structural hydraulic filter element comprises: the filter comprises an end cover bracket 6, wherein the inner part of the end cover bracket 6 is in threaded connection with a paper filter upper cover 5, a wavy cylindrical filter layer 4 is arranged outside the paper filter upper cover 5, an outer protecting net 2 is arranged outside the wavy cylindrical filter layer 4, a central pipe 3 is arranged inside the wavy cylindrical filter layer 4, and a circular through hole 9 is formed outside the central pipe 3; the upper paper filter cover 5 and the lower paper filter cover 1 are connected with the outer protecting net 2, the central tube 3 and the wavy cylindrical filter layer 4 by glue, hydraulic oil enters the filter shell from an inlet of the end cover support 6, the blocking of the filter shell enables the hydraulic oil to pass through the outer protecting net 2 and the wavy cylindrical filter layer 4, the outer protecting net 2 and the wavy cylindrical filter layer 4 filter out impurities and free water in the hydraulic oil, the free water is gathered at the bottom end of an oil layer, the hydraulic oil finally enters the interior of the hydraulic filter element through the circular through hole 9 on the central tube 3, the oil outlet of the hydraulic filter element is connected with the oil outlet pipe on the filter base, the hydraulic oil finally flows out through the oil outlet pipe on the filter base, a sealing effect is exerted between the oil outlet of the hydraulic filter element and the oil outlet pipe interface on the filter base by arranging the second sealing element 8, the end cover support 6 is in threaded connection with the upper paper filter cover 5, when the device needs to be replaced, the upper paper filter cover 5, the lower paper filter cover 1, the outer protecting net 2, the central tube 3 and the wavy cylindrical filter layer 4 can be replaced.

Specifically, the method comprises the following steps: a second sealing element 8 is arranged on one side of the paper filter upper cover 5; when oil is discharged, the sealing effect between the oil outlet of the hydraulic filter element and the oil outlet pipe connector on the filter base is achieved by arranging the second sealing element 8.

Specifically, the method comprises the following steps: a first sealing element 7 is arranged on one side, away from the upper paper filter cover 5, of the end cover bracket 6; after the device is installed, the first sealing element 7 has a sealing effect on the device, the filter shell and the filter base.

Specifically, the method comprises the following steps: the lower parts of the outer protecting net 2 and the central tube 3 are both arranged outside the paper filter upper cover 5; the outer protecting net 2, the central pipe 3 and the wavy cylindrical filtering layer 4 are all arranged outside the paper filtering upper cover 5, and hydraulic oil is blocked and isolated.

Specifically, the method comprises the following steps: one end of the outer protecting net 2, which is far away from the paper filter upper cover 5, is provided with a paper filter lower cover 1; the top of the device is sealed by the paper filter lower cover 1, so that hydraulic oil circulates in the device.

Specifically, the method comprises the following steps: the central tube 3 and one end of the corrugated cylindrical filter layer 4 away from the upper paper filter cover 5 are both arranged outside the lower paper filter cover 1; the central tube 3, the wave-shaped cylindrical filter layer 4 and the outer protecting net 2 are fixed with the paper filtering lower cover 1 through glue water, hydraulic oil is prevented from being leaked, pressure difference exists inside and outside the hydraulic filter element during filtering, the outer protecting net 2 can play a role of protecting the filter element to prevent the filter element from deforming, meanwhile, the wave-shaped cylindrical filter layer 4 is composed of glass fibers and inner and outer wire nets, the outer protecting net 2 arranged on the outermost layer can play a role of protecting, and a worker is prevented from being cut through by the wire nets when the hydraulic filter element is replaced.

According to the technical scheme, the working steps of the scheme are summarized and carded: the hydraulic oil filter shell is opened, a hydraulic filter element is placed in the filter shell, then the filter shell is in threaded connection with a filter base, an upper paper filter cover 5 and a lower paper filter cover 1 are connected with an outer protecting net 2, a central pipe 3 and a wavy cylindrical filter layer 4 by glue, after the installation is completed, hydraulic oil enters from an oil inlet pipe of the filter base and enters the filter shell through an inlet of an end cover bracket 6, the blocking of the filter shell enables the hydraulic oil to pass through the outer protecting net 2 and the wavy cylindrical filter layer 4, pressure difference exists between the inside and the outside during the filtration of the hydraulic filter element, the outer protecting net 2 can play a role of protecting the filter element from deformation, meanwhile, the wavy cylindrical filter layer 4 consists of glass fibers and inner and outer wire nets, the outer protecting net 2 arranged on the outermost layer can play a role of protection, and workers are prevented from being cut by the wire nets when replacing the hydraulic filter element, the impurity and the free water in the hydraulic oil are crossed to the filtration of wavy cylindric filter layer 4, the free water gathering is in the oil reservoir bottom, hydraulic oil finally gets into inside the hydraulic filter core through the circular through-hole 9 that is located on the center tube 3, hydraulic filter core oil-out is connected with the play oil pipe that strains on the seat, hydraulic oil finally flows through the play oil pipe that strains on the seat, through setting up second sealing member 8, give sealed effect between hydraulic filter core oil-out and the play oil pipe interface that strains on the seat, through setting up first sealing member 7, give this device and filter housing, the sealed effect between the filter seat three, end cover support 6 strains upper cover 5 threaded connection with paper, when needs change this device, only need strain upper cover 5 and end cover support 6 with paper and break away from mutually, it strains upper cover 5 to change paper, paper strains lower cover 1, outer protecting wire 2, center tube 3 and wavy cylindric filter layer 4 can, end cover support 6 can use repeatedly many times.

The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel structure hydraulic pressure filter core which characterized in that includes: end cover support (6), the inside threaded connection of end cover support (6) has paper to strain upper cover (5), the externally mounted of paper strain upper cover (5) has wavy cylindric filtering layer (4), the externally mounted of wavy cylindric filtering layer (4) has outer protecting wire net (2), the inside of wavy cylindric filtering layer (4) is equipped with center tube (3), circular through-hole (9) have been seted up to the outside of center tube (3).

2. A novel structural hydraulic filter element according to claim 1, characterized in that: and a second sealing element (8) is arranged on one side of the paper filter upper cover (5).

3. A novel structural hydraulic filter element according to claim 1, characterized in that: and a first sealing element (7) is arranged on one side, far away from the paper filter upper cover (5), of the end cover bracket (6).

4. The novel structural hydraulic filter element according to claim 1, characterized in that: the lower parts of the outer protecting net (2) and the central pipe (3) are both arranged outside the paper filter upper cover (5).

5. The novel structural hydraulic filter element according to claim 1, characterized in that: the outer protecting net (2) is far away from one end of the paper filter upper cover (5) and is provided with a paper filter lower cover (1).

6. The novel structural hydraulic filter element according to claim 5, characterized in that: the central pipe (3) and one end of the wavy cylindrical filter layer (4) far away from the paper filter upper cover (5) are arranged outside the paper filter lower cover (1).