CN210423255U

CN210423255U - Double-cylinder pipeline filter

Info

Publication number: CN210423255U
Application number: CN201921008870.8U
Authority: CN
Inventors: 张海洋
Original assignee: Wuxi Haizhuo Like Hydraulic Machinery Co ltd
Current assignee: Wuxi Haizhuo Like Hydraulic Machinery Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-04-28
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to a double-cylinder pipeline filter, which comprises two cylinders and a conversion device; the two cylinders are vertically and symmetrically arranged on two sides of the conversion device; the cylinder bodies are all provided with filter elements; the conversion device is fixed between the two cylinders through a side flange and comprises a conversion device shell, a second ball valve and a third ball valve; the second ball valve and the third ball valve are vertically connected in the conversion device shell through a ball connecting rod arranged on the second ball valve and the third ball valve, an oil inlet is formed in the conversion device shell at the corresponding position of the second ball valve, and an oil outlet is formed in the conversion device shell at the corresponding position of the third ball valve; the top of the sphere connection rod is vertically provided with a rotating handle, a through hole is arranged at the corresponding position of the upper surface of the valve cover, and a circle of limiting washer is arranged on the upper surface of the rotating handle and the upper surface of the through hole. The utility model provides a pair of binocular pipeline filter makes things convenient for the staff to carry out the quick replacement filter core, can not influence the filtration operation at hydraulic pressure station.

Description

Double-cylinder pipeline filter

Technical Field

The utility model relates to a hydraulic oil filter technical field, especially a binocular pipeline filter.

Background

The filter is an indispensable device on a medium conveying pipeline, is usually arranged on a pressure reducing valve, a pressure relief valve and a constant water level valve, and a filter cartridge with a certain specification of filter screen in the filter can block impurities. Filters can be generally classified into liquid filters and air filters. The general filter only focuses on the filtering effect, and is not known, when the impurities in the filter are accumulated to a certain degree and are not cleaned in time, the filtering effect of the filter is affected, and even the filter is damaged.

The Chinese patent application with the publication number of CN104061210A discloses a double-cylinder oil return pipeline filter, which comprises a filter, a reversing valve and an oil port, wherein the filter comprises a filter I and a filter II, the oil port comprises an oil inlet and an oil outlet, the filter I and the filter II are connected through a pipeline, the reversing valve is arranged in the middle of the pipeline, two ends of the reversing valve are respectively provided with a flange plate, the lower end of the reversing valve is provided with an oil inlet and an oil outlet, the outer end of the oil inlet is provided with an oil inlet reversing valve, the outer end of the oil outlet is provided with an oil outlet reversing valve, the oil inlet is provided with a bypass valve, filter elements are respectively arranged in the filter I and the filter II, the filter elements are connected with. Has the advantages that: the double-cylinder oil return pipeline filter is simple and reliable in structure, the filter element pollution blocking signal transmitter is arranged, the blocking condition of the filter element can be fed back in time, the filter can be replaced and cleaned in time, the working efficiency is guaranteed, and the service time of the filter is prolonged. However, the filter provided in the above patent does not provide how to operate the switching device when replacing the filter element, so as not to affect the normal filtering operation of the hydraulic station.

In view of the above, it would be desirable to provide a dual cartridge in-line filter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a binocular tube-line filter when changing the filter core, the oil spilling phenomenon can not appear, makes things convenient for the staff to carry out the quick replacement filter core, can not influence the normal filtration operation at hydraulic pressure station simultaneously.

In order to achieve the purpose of the utility model, the double-cylinder pipeline filter comprises two cylinders and a conversion device;

the two cylinders are vertically and symmetrically arranged on two sides of the conversion device; the upper end of the cylinder body is provided with an upper cover, the upper end of the cylinder body is provided with a cylindrical flange, and the upper cover is in threaded connection with the cylindrical flange; handles are arranged on the upper covers; the bottom of the barrel is vertically provided with channel steel, and the barrel is fixed on the external ground through the channel steel; the seal heads on the cylinder body are provided with oil discharge valves; the filter elements are arranged in the cylinder bodies;

the conversion device is fixed between the two cylinders through a side flange and comprises a conversion device shell, a second ball valve and a third ball valve; the upper surface of the conversion device shell is provided with a valve cover, the second ball valve and the third ball valve are vertically connected in the conversion device shell through a ball connecting rod arranged on the second ball valve and the third ball valve, an oil inlet is formed in the conversion device shell at the corresponding position of the second ball valve, and an oil outlet is formed in the conversion device shell at the corresponding position of the third ball valve; the oil inlet and the oil outlet are connected with the two cylinders through side straight pipes; the oil inlet and the oil outlet are opened and closed under the action of the second ball valve and the third ball valve; a rotating handle is vertically arranged at the top of the sphere connection rod, a through hole is formed in the position corresponding to the upper surface of the valve cover, the rotating handle penetrates through the through hole, and a circle of limiting washer is arranged on the upper surfaces of the rotating handle and the through hole; and a valve cover O-shaped sealing ring is arranged at the joint of the valve cover and the conversion device shell.

Preferably, a balance pressure pipe is arranged between the two cylinders.

Preferably, the upper cover is provided with a first ball valve.

Preferably, be equipped with the filter core fixing base on the inner wall of barrel, the filter core passes through the filter core fixing base to be fixed in the barrel.

Preferably, a circle of O-shaped ring is arranged at the joint of the upper cover and the simple flange.

Preferably, a threaded retainer ring and a tetrafluoro retainer ring are arranged at the joint of the conversion device shell and the second ball valve and the third ball valve.

Preferably, ball connecting rod O-shaped rings are arranged at the joints between the first ball valve and the third ball valve and the ball connecting rod.

The working principle is as follows: in the process of filtering hydraulic oil, the positions of the second ball valve and the third ball valve are adjusted by adjusting the rotating handle, so that the two ball valves are both in the open positions, the hydraulic oil flows into the two cylinders through the side straight pipes, is filtered through the filter elements in the two cylinders, and then flows out through the oil outlet on the conversion device; when changing the filter core in any barrel, through rotating the turning handle, adjust two ball valves for the side straight tube in the barrel that needs to be changed is closed, and the side straight tube in another barrel is in the state of opening, and operating personnel can change the filter core operation this moment, and can not influence the hydraulic oil filtering operation of another barrel.

The utility model discloses a binocular pipeline filter compares with prior art and has following advantage:

(1) the double-cylinder pipeline filter provided by the utility model has the advantages that when the filter element is replaced, the oil spilling phenomenon can not occur, the filter element can be conveniently and rapidly replaced by a worker, and meanwhile, the other cylinder body can normally carry out the filtering operation, so that the normal filtering operation of the hydraulic station can not be influenced;

(2) the utility model provides a binocular pipeline filter, simple structure, convenient operation is swift.

Drawings

Fig. 1 is a front view of a double tube line filter according to the present invention;

fig. 2 is a cross-sectional view of a dual cartridge line filter of the present invention;

FIG. 3 is an enlarged view of a portion of the transition device of FIG. 1;

fig. 4 is a top view of a dual cartridge line filter of the present invention;

FIG. 5 is a top view of the second ball valve;

fig. 6 is a cross-sectional view of a second ball valve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 6, a double cartridge line filter comprises two cartridges 13 and a switching device; the two cylinders 13 are vertically and symmetrically arranged on two sides of the conversion device; the upper end of the cylinder body 13 is provided with an upper cover 3, in order to ensure that the upper cover 3 can be stably fixed on the cylinder body 13, the upper end of the cylinder body 13 is provided with a cylindrical flange 4, and the upper cover 3 is in threaded connection with the cylindrical flange 4; in order to facilitate the lifting of the upper cover 3 by workers, the upper cover is provided with handles 2; since the volume in the cylinder 13 is limited, in order to fully utilize the internal volume and remove air, the upper cover 3 is provided with a first ball valve 1, and the purpose of the first ball valve 1 is to discharge the air in the cylinder 13; the bottom surface of the cylinder body 13 is provided with the seal head 6, so that a sealing effect is achieved; the bottom of the cylinder body 13 is vertically provided with a channel steel 5, and the cylinder body is fixed on the external ground through the channel steel 5; in order to maintain the cylinder 13 at the later stage and facilitate the discharge of hydraulic oil in the cylinder 13, the seal heads 6 on the cylinder 13 are provided with oil discharge valves 14; the filter elements 11 are arranged in the cylinder body 13; in order to further stably fix the filter element 11, a filter element fixing seat 12 is arranged on the inner wall of the cylinder 13, and the filter element is fixed in the cylinder 13 through the filter element fixing seat 12; in order to prevent the upper cover 3 from rigidly contacting the simple flange 4 on the cylinder 13 and ensure the sealing effect of the cylinder, a circle of O-ring 10 is arranged at the joint of the upper cover 3 and the simple flange 4;

in the process of filtering, in order to ensure that the oil pressures in the two cylinders 13 are equal or have the same vertical within an allowable range, a balance pressure pipe 8 is arranged between the two cylinders 13;

the conversion device is fixed between the two cylinders 13 through the side flange 7 and comprises a conversion device shell 17, a second ball valve 20 and a third ball valve 25; the upper surface of the conversion device shell 17 is provided with a valve cover 21, the second ball valve 20 and the third ball valve 25 are vertically connected in the conversion device shell 17 through a ball connecting rod 26 arranged on the second ball valve and the third ball valve, an oil inlet is arranged at a corresponding position of the second ball valve 20 on the conversion device shell 17, and an oil outlet is arranged at a corresponding position of the third ball valve 25 on the conversion device shell 17; the oil inlet and the oil outlet are connected with the two cylinders 13 through side straight pipes 27; the oil inlet and the oil outlet are opened and closed under the action of the second ball valve 20 and the third ball valve 25; the top of the sphere connection rod 26 is vertically provided with a rotating handle 18, a through hole is arranged at the corresponding position of the upper surface of the valve cover 21, the rotating handle 18 penetrates through the through hole, and a circle of limiting gasket 19 is arranged on the upper surfaces of the rotating handle 18 and the through hole in order to ensure the sealing effect of the rotating handle 18 and the valve cover 21 and the limiting of the rotating handle 18; in order to ensure the sealing effect between the valve cover 21 and the cylinder body 13, a valve cover O-shaped sealing ring 16 is arranged at the joint of the valve cover 21 and the conversion device shell 17; the junction with second ball valve 20 and third ball valve 25 on the conversion equipment casing 17 is equipped with screw retaining ring 23 and tetrafluoro retaining ring 24, so set up, in order to prevent that wearing and tearing from appearing in two ball valves and the long-time contact of conversion equipment casing 17, lead to the oil leak phenomenon to appear.

In order to ensure the tightness between the first and second ball valves and the ball connecting rod, ball connecting rod O-rings 22 are disposed at the joints between the first and third ball valves 20 and 25 and the ball connecting rod 26.

Description of the operation: in the process of filtering hydraulic oil, the positions of the second ball valve 20 and the third ball valve 25 are adjusted by adjusting the rotating handle 18, so that the two ball valves are both in the open positions, the hydraulic oil flows into the two cylinder bodies 13 through the side straight pipes, is filtered through the filter elements 11 in the two cylinder bodies 13, and then flows out through an oil outlet on the conversion device;

when replacing the filter element 11 in any cylinder 13, the rotary handle 18 is rotated to adjust the two ball valves, so that the side straight pipe in the cylinder to be replaced is closed, the side straight pipe in the other cylinder is in an open state, and at the moment, an operator can replace the filter element without affecting the hydraulic oil filtering operation of the other cylinder.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A double-cylinder pipeline filter is characterized by comprising two cylinders and a conversion device;

2. The dual cartridge line filter of claim 1 wherein a balanced pressure tube is disposed between the two cartridges.

3. The dual cartridge line filter of claim 1 or 2 wherein the upper cap has a first ball valve disposed thereon.

4. The dual cartridge line filter according to claim 1 or 2, wherein the cartridge holder is provided on an inner wall of the cartridge body, and the cartridge is fixed in the cartridge body by the cartridge holder.

5. The double cartridge line filter according to claim 1 or 2, wherein the connection of the upper cover and the cylindrical flange is provided with a ring of O-rings.

6. The dual cartridge line filter of claim 1 or 2 wherein the adapter housing is provided with a threaded retainer ring and a tetrafluoro retainer ring at the connection to the second ball valve and the third ball valve.

7. The dual cartridge line filter of claim 3, wherein the connections between the first and third ball valves and the ball connecting rod are provided with ball connecting rod O-rings.