CN217926574U

CN217926574U - Return oil filtering device for hydraulic lubrication system

Info

Publication number: CN217926574U
Application number: CN202221465500.9U
Authority: CN
Inventors: 王政阳; 杨彬; 田晶晶
Original assignee: Jinan Two Machine Tool Xinguang Electromechanical Co ltd
Current assignee: Jinan Two Machine Tool Xinguang Electromechanical Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-29
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a be used for hydraulic lubrication system oil return filter equipment, include: the oil return port, the bottom fixed mounting of oil return port has first oil pipe, the bottom fixed mounting of first oil pipe has Y type filter, the bottom fixed mounting of Y type filter has second oil pipe, second oil pipe fixed insertion is in the liquid reserve tank, one side top fixedly connected with oil tank of liquid reserve tank, the inside fixedly connected with magnet box of oil tank, the bottom fixedly connected with filter box of oil tank filters through filter box and Y type filter in the in-process that uses, and filter fineness is higher, through right angle joint, first fixed plate and second fixed plate convenient to detach clearance and installation, can adsorb iron fillings in the lubricating oil through the magnet box, can few light iron fillings lead to the condition that the case blockked up, the oil pump damages, the normal use of hydraulic system of being convenient for.

Description

Return oil filtering device for hydraulic lubrication system

Technical Field

The utility model relates to a hydraulic system technical field, in particular to be used for hydraulic lubrication system oil return filter equipment.

Background

The hydraulic system is applied to various mechanical equipment, such as an excavator, a machining machine tool and the like. The hydraulic system is used for increasing acting force by changing pressure intensity, the hydraulic steel pipe plays a role in transmitting hydraulic oil, the requirements on the sealing property, the corrosion resistance and the wear resistance are extremely high in order to avoid oil leakage, the requirements on the precision and the stability of the hydraulic system of various users are higher and higher at present, and the normal operation of a precise hydraulic element needs oil with higher cleanliness to be guaranteed.

The return oil of a general hydraulic system is filtered by a simple single-layer filter screen, the filtering precision is low, the filter screen cannot be detached and cleaned, scrap iron in lubricating oil cannot be removed, the problems of valve core blockage, oil pump damage and the like are easily caused, and the normal use of the hydraulic system is influenced; accordingly, the present application provides a return oil filter device for a hydraulic lubrication system.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a return oil filtering device for a hydraulic lubricating system.

In order to achieve the above object, the utility model discloses a main technical scheme include: a return oil filter arrangement for a hydraulic lubrication system comprising: the oil return port, the bottom fixed mounting of oil return port has first oil pipe, the bottom fixed mounting of first oil pipe has Y type filter, the bottom fixed mounting of Y type filter has second oil pipe, second oil pipe fixed insertion is in the liquid reserve tank, one side top fixedly connected with oil tank of liquid reserve tank, the inside fixedly connected with magnet box of oil tank, the bottom fixedly connected with filter box of oil tank, one side fixed mounting of first oil pipe has third oil pipe, one side fixed mounting of third oil pipe has the attach fitting, one side fixed mounting of attach fitting has the hyaline tube, the bottom fixed mounting of hyaline tube has the tube head, one side of tube head and one side fixed connection of oil tank, the top fixed mounting of oil tank has the filter.

Preferably, the oil return port, the first oil pipe and the bottom of the Y-shaped filter are fixedly connected with a first fixing plate respectively.

Preferably, the top of the first oil pipe, the top of the Y-shaped filter and the top of the second oil pipe are fixedly connected with a second fixing plate respectively, and the first fixing plate is abutted to the corresponding second fixing plate.

Preferably, the first fixing plate and the corresponding second fixing plate are fixedly connected by bolts.

Preferably, a valve is fixedly connected to the bottom of the liquid storage tank.

Preferably, the magnet box is communicated with the valve, the filter net cage is communicated with the magnet box, and the filter net cage is communicated with the oil tank.

Preferably, first oil pipe passes through right angle joint fixed connection with third oil pipe, third oil pipe passes through right angle joint fixed connection with the attach fitting, the attach fitting passes through right angle joint fixed connection with the hyaline tube, the hyaline tube passes through right angle joint fixed connection with the tube head, the quantity that the right angle connects sets up to four.

Preferably, plug tubes are movably inserted at the top and the bottom of the transparent tube, and the top and the bottom of the two plug tubes are respectively and fixedly inserted in right-angle joints at the top and the bottom of the transparent tube.

The utility model discloses possess following beneficial effect at least: the utility model discloses in, filter through filter box and Y type filter, filter fineness is higher, through right angle joint, first fixed plate and second fixed plate convenient to detach clearance and installation, can adsorb iron fillings in the lubricating oil through the magnet box, can lead to the condition that the case blockked up, the oil pump damages by few light iron fillings, the hydraulic system's of being convenient for normal use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic top view of the present invention.

The reference numbers illustrate:

1. an oil return port; 2. a Y-type filter; 3. a second oil pipe; 4. a liquid storage tank; 5. a valve; 6. a magnet box; 7. a filter net cage; 8. an oil tank; 9. a third oil pipe; 10. connecting a joint; 11. plugging the tube; 12. a transparent tube; 13. a right angle joint; 14. a pipe head; 15. a cover plate; 16. a handle; 17. a filter; 18. a first fixing plate; 19. a second fixing plate; 20. a bolt; 21. a first oil line.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1 to 3, in an embodiment of the present invention, an oil return filtering device for a hydraulic lubrication system includes: the oil return device comprises an oil return port 1, wherein a first oil pipe 21 is fixedly installed at the bottom of the oil return port 1, a Y-shaped filter 2,Y type filter 2 is fixedly installed at the bottom of the first oil pipe 21, a second oil pipe 3 is fixedly installed at the bottom of the Y-shaped filter 2,Y type filter 2, the second oil pipe 3 is fixedly inserted into a liquid storage tank 4, an oil tank 8 is fixedly connected to the top of one side of the liquid storage tank 4, a magnet box 6 is fixedly connected to the inside of the oil tank 8, a filter net cage 7 is fixedly connected to the bottom of the oil tank 8, a third oil pipe 9 is fixedly installed at one side of the first oil pipe 21, a connecting joint 10 is fixedly installed at one side of the third oil pipe 9, a transparent pipe 12 is fixedly installed at one side of the connecting joint 10, a pipe head 14 is fixedly installed at the bottom of the transparent pipe head 12, one side of the pipe head 14 is fixedly connected with one side of the oil tank 8, and a filter 17 is fixedly installed at the top of the oil tank 8; the return oil enters the oil return port 1, is primarily filtered by the Y-shaped filter 2 and flows into the liquid storage tank 4, the oil in the liquid storage tank 4 is filled and then flows into the magnet box 6, the iron filings are adsorbed by the magnet box 6 and then flow into the filter net cage 7 for secondary filtering, and finally flow into the oil tank 8; when the Y-shaped filter 2 is blocked, oil flows into the oil tank 8 through the third oil pipe 9 and the transparent pipe 12, the oil can be seen through the transparent pipe 12 to play a warning role, filter elements in the Y-shaped filter 2 and the Y-shaped filter 2 are required to be cleaned immediately, and the cover plate 15 and the handle 16 on the top of the oil tank 8 can be opened to facilitate observation of the oil state.

Referring to fig. 1 to 3, the bottoms of the oil return port 1, the first oil pipe 21 and the Y-type filter 2 are respectively and fixedly connected with a first fixing plate 18, the tops of the first oil pipe 21, the Y-type filter 2 and the second oil pipe 3 are respectively and fixedly connected with a second fixing plate 19, the first fixing plate 18 is abutted to the corresponding second fixing plate 19, the first fixing plate 18 is fixedly connected with the corresponding second fixing plate 19 through a bolt 20, the bottom of the liquid storage tank 4 is fixedly connected with a valve 5, a magnet box 6 is communicated with the valve 5, a filter net box 7 is communicated with the magnet box 6, the filter net box 7 is communicated with an oil tank 8, the first oil pipe 21 is fixedly connected with a third oil pipe 9 through a right-angle joint 13, the third oil pipe 9 is fixedly connected with a connecting joint 10 through a right-angle joint 13, the connecting joint 10 is fixedly connected with a transparent pipe 12 through the right-angle joint 13, the transparent pipe 12 is fixedly connected with a pipe head 14 through the right-angle joint 13, the number of the right-angle joints 13 is four, the top and the bottom of the transparent pipe 12 are inserted with plug pipes 11, and the top and the bottom of the transparent pipe 12 are respectively and the bottom of the transparent pipe joint 13; the oil tank 8 is added with an air filter to maintain the balance of internal and external pressure, the air is filtered, the transparent pipe 12 can observe whether the Y-shaped filter is blocked, the filtering net cage 7 contains a filtering net which can further filter oil, and the connecting joint 10 is a joint with the function of a threaded nut.

The utility model discloses a theory of operation is: the return oil enters the oil return port 1, is primarily filtered by the Y-shaped filter 2 and flows into the liquid storage tank 4, the oil in the liquid storage tank 4 is filled and then flows into the magnet box 6, the iron filings are adsorbed by the magnet box 6 and then flow into the filter net cage 7 for secondary filtering, and finally flow into the oil tank 8; when the Y-shaped filter 2 is blocked, oil flows into the oil tank 8 through the third oil pipe 9 and the transparent pipe 12, the oil can be seen through the transparent pipe 12 to play a warning role, filter elements in the Y-shaped filter 2 and the Y-shaped filter 2 are required to be cleaned immediately, and the cover plate 15 and the handle 16 on the top of the oil tank 8 can be opened to facilitate observation of the oil state;

an air filter is added in the oil tank 8 to maintain the balance of internal and external pressure, air is filtered, the transparent pipe 12 can observe whether the Y-shaped filter is blocked, a filter net is arranged in the filter net cage 7 and can further filter oil, and the connecting joint 10 is a joint with the function of a threaded nut;

filter through filter screen case 7 and Y type filter 2, filter fineness is higher, through right angle joint 13, first fixed plate 18 and 19 convenient to detach clearance and installation of second fixed plate, can adsorb the iron fillings in the lubricating oil through magnet box 6, can few light iron fillings lead to the condition that case blockked up, oil pump damage, the hydraulic system's of being convenient for normal use.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A return oil filter device for a hydraulic lubrication system, comprising:

oil return opening (1), the bottom fixed mounting of oil return opening (1) has first oil pipe (21), the bottom fixed mounting of first oil pipe (21) has Y type filter (2), the bottom fixed mounting of Y type filter (2) has second oil pipe (3), second oil pipe (3) fixed insertion is in liquid reserve tank (4), one side top fixedly connected with oil tank (8) of liquid reserve tank (4), the inside fixedly connected with magnet box (6) of oil tank (8), the bottom fixedly connected with filter box (7) of oil tank (8), one side fixed mounting of first oil pipe (21) has third oil pipe (9), one side fixed mounting of third oil pipe (9) has attach fitting (10), one side fixed mounting of attach fitting (10) has transparent pipe (12), the bottom fixed mounting of transparent pipe (12) has tube head (14), one side and one side fixed connection of oil tank (8) of tube head (14), the top fixed mounting of oil tank (8) has filter (17).

2. The return oil filter device for the hydraulic lubrication system according to claim 1, wherein: the bottoms of the oil return port (1), the first oil pipe (21) and the Y-shaped filter (2) are respectively and fixedly connected with a first fixing plate (18).

3. The return oil filter device for the hydraulic lubrication system according to claim 2, wherein: the top of the first oil pipe (21), the top of the Y-shaped filter (2) and the top of the second oil pipe (3) are respectively fixedly connected with a second fixing plate (19), and the first fixing plate (18) is abutted to the corresponding second fixing plate (19).

4. A return oil filter device for a hydraulic lubrication system according to claim 3, wherein: the first fixing plate (18) and the corresponding second fixing plate (19) are fixedly connected through bolts (20).

5. The return oil filter device for the hydraulic lubrication system according to claim 1, wherein: the bottom of the liquid storage tank (4) is fixedly connected with a valve (5).

6. The return oil filter device for the hydraulic lubrication system according to claim 5, wherein: the magnet box (6) is communicated with the valve (5), the filter net box (7) is communicated with the magnet box (6), and the filter net box (7) is communicated with the oil tank (8).

7. A return oil filter device for a hydraulic lubrication system according to claim 3, wherein: first oil pipe (21) pass through right angle joint (13) fixed connection with third oil pipe (9), third oil pipe (9) pass through right angle joint (13) fixed connection with attach fitting (10), attach fitting (10) pass through right angle joint (13) fixed connection with transparent pipe (12), transparent pipe (12) pass through right angle joint (13) fixed connection with tube head (14), the quantity of right angle joint (13) sets up to four.

8. The return oil filter device for the hydraulic lubrication system according to claim 7, wherein: the top and the bottom of the transparent tube (12) are movably inserted with plug tubes (11), and the top and the bottom of the two plug tubes (11) are respectively and fixedly inserted into right-angle joints (13) at the top and the bottom of the transparent tube (12).