CN219994055U - Multi-way valve hydraulic oil filter - Google Patents

Abstract

The utility model relates to the technical field of manufacturing of marine low-speed diesel engines, and discloses a multi-way valve hydraulic oil filter which comprises a diesel engine shell, wherein a filter shell is arranged on the left side of the upper surface of the diesel engine shell, a connector is arranged on the right side of the filter shell, and a clamping plate is arranged on the surface of a first protective shell. This multiway valve hydraulic oil filter during operation is added and is located between proportional valve and the main valve, and filter device has the filter core that filter fineness is 5 mu m, behind the filter in the middle of hydraulic oil passes proportional valve and main valve, maintains higher hydraulic oil cleanliness value with hydraulic oil, and this scheme increases the filter function on traditional multiway valve basis, improves the cleanliness of hydraulic oil to guarantee that hydraulic oil satisfies the requirement, improve the efficiency and the life of valve body work.

Description

Multi-way valve hydraulic oil filter

Technical Field

The utility model relates to the technical field of manufacturing of marine low-speed diesel engines, in particular to a multi-way valve hydraulic oil filter.

Background

Along with the coming of the Paris climate agreement and a series of rules of international maritime affairs, the low-speed diesel engine is developed on an electric control road more and more, the emission and the oil consumption of a main engine are also continuously optimized and upgraded, and the development of the diesel engine is gradually advancing towards the direction of automation and intelligence. The hydraulic oil is an important part of the electric control host, the hydraulic oil through the multi-way valve filter provides power for oil injection and air exhaust, and the control system drives the electromagnetic valve to act so as to finish oil injection and air exhaust.

The structure of the electric control main machine multi-way valve is that under the action of a hydraulic control system, hydraulic oil enters the inside of a distribution block of the multi-way valve, the electromagnetic valve is driven by the control system to act to control the up-and-down movement of the piston inside the main valve, so that the hydraulic oil enters an exhaust actuator and a fuel booster pump, and finally the oil injection and the exhaust of the diesel engine are completed.

Therefore, the cleanliness of the hydraulic oil has a certain requirement, and if the cleanliness of the hydraulic oil is too low, the piston action of the proportional valve is blocked, so that the oil injection and the exhaust are affected. The traditional multi-way valve does not have a filtering function, so that the cleanliness of hydraulic oil is affected. In this case, the installation of the hydraulic oil filter device becomes a necessary condition.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a multi-way valve hydraulic oil filter to solve the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multiport valve hydraulic oil filter, includes diesel engine shell, the filter shell is installed in diesel engine shell's upper surface left side, four hydraulic oil ports have been seted up respectively to filter shell's upper and lower surface, and all install O type sealing washer in the hydraulic fluid port, the connector is installed on filter shell's right side, the left side front portion of connector is equipped with first protecting crust, the back of first protecting crust is equipped with the second protecting crust, the surface mounting of first protecting crust has the joint board, the joint groove has been seted up to second protecting crust and joint board corresponding position, the joint board is inserted and is located in the joint groove of second protecting crust, limit spring is installed to the inner wall of connector, limit spring's surface mounting has the limiting plate, the limiting plate is semi-annular design.

Preferably, the filter core is inserted to the inner chamber of connector, the limiting plate is all hugged closely with the surface of filter core, the filter core is arranged in the space between second protecting crust and the first protecting crust, and second protecting crust is used for protecting the filter core with first protecting crust for the filter core can not receive external interference at the during operation.

Preferably, the clamping groove is also formed in the surface of the connector, the clamping plates are also arranged at the positions, corresponding to the clamping grooves, of the second protective shell and the first protective shell, the clamping plates are inserted into the clamping grooves of the connector, the second protective shell and the first protective shell can be detached from the surface of the connector, meanwhile, the tightness between the second protective shell and the first protective shell is improved, and the sealing between the connector and the second protective shell 5 and the first protective shell can be ensured.

Preferably, the surface of limiting plate all installs the operation board, the operation board all is located the inner chamber of connector, can stir the limiting plate through the operation board, and the operation board is for stretching into in the connector, can make things convenient for the staff to press the operation board and drive the limiting plate and extrude spacing spring.

Preferably, the upper surface of the diesel engine shell is provided with a proportional valve, the right side of the diesel engine shell is provided with a main valve, an M8 short bolt is screwed between the diesel engine shell and the main valve, a tool plate is placed on the proportional valve, the left side of the upper surface of the proportional valve is provided with an M5 short stud, the three are fixed by installing the M5 short stud, and the detached M5 long stud of the distance tube is used for supporting the proportional valve.

Preferably, the left side of proportional valve installs the instrument board, the last surface mounting of instrument board has the distance pipe, the bottom of distance pipe has connect the long double-screw bolt of M5 soon, the upper surface four corners of instrument board has all been connected the long bolt of M8 soon, the upper portion of the long bolt of M8 has all been connected the nut soon, when demolishing the instrument board, will install four long bolts of M8 on the instrument board and tear down, demolish eight nuts, M8 long bolt, a distance pipe and four long double-screw bolts of M5, install it on the instrument board.

Advantageous effects

Compared with the prior art, the utility model provides a multi-way valve hydraulic oil filter, which comprises the following components

The beneficial effects are that:

this multiway valve hydraulic oil filter during operation is added and is located between proportional valve and the main valve, and filter device has the filter core that filter fineness is 5 mu m, behind the filter in the middle of hydraulic oil passes proportional valve and main valve, maintains higher hydraulic oil cleanliness value with hydraulic oil, and this scheme increases the filter function on traditional multiway valve basis, improves the cleanliness of hydraulic oil to guarantee that hydraulic oil satisfies the requirement, improve the efficiency and the life of valve body work.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the filter housing structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the filter housing of the present utility model;

FIG. 4 is a schematic cross-sectional view of a filter housing of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 5A according to the present utility model;

fig. 6 is a schematic view of the overall structure of the mounting bracket of the present utility model.

In the figure: 1. a diesel engine housing; 2. a filter housing; 21. an O-shaped sealing ring; 3. a connector; 4. a first protective shell; 5. a second protective shell; 6. a clamping plate; 7. a limit spring; 8. a limiting plate; 9. a filter element; 10. m5 short stud; 11. an operation panel; 12. a proportional valve; 13. a main valve; 14. m8 short bolts; 15. a tool plate; 16. a distance tube; 17. m5 long studs; 18. m8 long bolts; 19. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, a hydraulic oil filter with a multi-way valve, which comprises a diesel engine shell 1, a filter shell 2, a connector 3, a first protective shell 4, a second protective shell 5, a clamping plate 6, a limiting spring 7, a limiting plate 8, a filter element 9, an M5 short stud 10, an operation plate 11, a proportional valve 12, a main valve 13, an M8 short bolt 14, a tool plate 15, a distance tube 16, an M5 long stud 17, an M8 long bolt 18 and a nut 19, wherein the left side of the upper surface of the diesel engine shell 1 is provided with the filter shell 2, the upper surface and the lower surface of the filter shell 2 are respectively provided with four hydraulic oil ports, O-shaped sealing rings 21 are respectively arranged in the oil ports, the tightness of the device is improved, the right side of the filter shell 2 is provided with the connector 3, the left front part of the connector 3 is provided with the first protective shell 4, the back of the first protective shell 4 is provided with the second protective shell 5, referring to fig. 4, a clamping plate 6 is installed on the surface of the first protection shell 4, a clamping groove is formed in a position, corresponding to the clamping plate 6, of the second protection shell 5, the clamping plate 6 is inserted into the clamping groove of the second protection shell 5, referring to fig. 5, a limit spring 7 is installed on the inner wall of the connector 3, a limit plate 8 is installed on the surface of the limit spring 7, the limit plate 8 is of a semi-annular design, the first protection shell 4 and the second protection shell 5 are connected through an inserting structure, the first protection shell 4 and the second protection shell 5 can be quickly separated, a filter element 9 protected in the first protection shell 4 and the second protection shell 5 can be exposed, the limit spring 7 can be extruded through stirring the limit plate 8, the limit spring 7 can shrink under the action of pressure, the limit plate 8 is separated from the surface of the filter element 9, and a worker can conveniently take out the filter element 9, the filter element 9 can be cleaned quickly, time and labor are saved, and the cleaning efficiency of the filter element 9 is improved;

referring to fig. 3, a filter element 9 is inserted into the inner cavity of the connector 3, the limiting plates 8 are all tightly attached to the surface of the filter element 9, the filter element 9 is located in a space between the second protective shell 5 and the first protective shell 4, and the second protective shell 5 and the first protective shell 4 are used for protecting the filter element 9, so that the filter element 9 is not interfered by the outside during working;

referring to fig. 5, a clamping groove is also formed on the surface of the connector 3, clamping plates 6 are also installed at positions corresponding to the clamping grooves of the second protective shell 5 and the first protective shell 4 and the connector 3, and the clamping plates 6 are inserted into the clamping grooves of the connector 3, so that the second protective shell 5 and the first protective shell 4 can be detached from the surface of the connector 3, the tightness between the second protective shell 5 and the first protective shell 4 is improved, and the sealing between the connector 3 and the second protective shell 5 and the first protective shell 4 can be ensured;

referring to fig. 2, an M5 short stud 10 is screwed on the upper surface of the filter housing 2, an operation plate 11 is mounted on the surface of the limit plate 8, the operation plates 11 are all located in the inner cavity of the connector 3, the operation plate 11 can be used for poking the limit plate 8, and the operation plate 11 extends into the connector 3, so that a worker can conveniently press the operation plate 11 to drive the limit plate 8 to extrude the limit spring 7;

the upper surface of the diesel engine shell 1 is provided with a proportional valve 12, the inside of the filter shell 2 is provided with a mounting bracket which is used for connecting the filter shell 2 with the proportional valve 12 on the upper part in a penetrating way to realize stable support and limit connection, the right side of the diesel engine shell 1 is provided with a main valve 13, an M8 short bolt 14 is screwed between the diesel engine shell 1 and the main valve 13, a tool plate 15 is placed on the proportional valve 12, an M5 short stud 10 is arranged to fix the three, and an M5 long stud 17 of a detached distance tube 16 is used for supporting the proportional valve 12;

referring to fig. 1, a tool plate 15 is installed on the left side of the proportional valve 12, referring to fig. 6, the tool plate 15 is a part of a mounting bracket, a distance tube 16 is installed on the upper surface of the tool plate 15, M5 long studs 17 are screwed at the bottom end of the distance tube 16, M8 long bolts 18 are screwed at four corners of the upper surface of the tool plate 15, nuts 19 are screwed at the upper parts of the M8 long bolts 18, and when the tool plate 15 is dismounted, four M8 long bolts 18 installed on the tool plate 15 are dismounted, and eight nuts 19, M8 long bolts 18, a distance tube 16 and four M5 long studs 17 are dismounted and are installed on the tool plate 15.

The working principle of the device is as follows:

the four hydraulic oil ports on the filter shell 2 correspond to the inlets and outlets of the proportional valve 12 and the multi-way valve main valve 13, except that the inlet and outlet close to the shell on the left side are filtered by the filter to enter the proportional valve 12, the other three holes are communicated with the proportional valve 12 and the multi-way valve main valve 13, the filter action principle is that hydraulic oil is filled in a cavity between the shell and the filter element 9 through the inlet on the left side, and particle impurities larger than 5 mu m are blocked outside the filter screen through a folding filter screen formed by combining glass fibers and steel wires on the outer side of the filter element 9, clean oil in the cavity of the filter element 9 flows to the outlet of the filter through an inner pipeline to enter the inlet of the proportional valve 12, and the filtering is completed.

Before pilot, the proportional valve 12 should be removed from the multi-way valve, and the filter of this embodiment is installed between the proportional valve 12 and the main valve 13 for filtering hydraulic oil from the main valve 13 to the proportional valve 12. After the pilot voyage is finished, the pipeline on the ship is basically clean, the filter can be detached, and the filter element 9 can be reused after being replaced.

The filter installation step before pilot navigation is divided into the following 6 steps:

step 1, the M5 short stud 10 and the M8 short stud 14 are disassembled, and the proportional valve 12 is disassembled;

step 2, the nuts 19, the four M8 long bolts 18 and one distance tube 16 are disassembled;

step 3, mounting the M5 short stud 10 and the M8 short stud 14 on the tool plate 15;

step 4, visually checking whether the O-shaped sealing ring 21 is intact and located at a specified position, placing the sandwich filter on the main valve 13, wherein the surface of the O-shaped sealing ring 21 faces the main valve 13;

step 5, placing the proportional valve 12 on a sandwich filter, placing the tool plate 15 on the proportional valve 12, and installing the M5 short stud 10 to fix the three;

in step 6, the M5 long stud 17 of the distance tube 16 is removed to support the proportional valve 12.

The filter dismantling step after pilot navigation can be divided into the following 4 steps:

step 1, detaching four M8 long bolts 18 mounted on the tool plate 15;

step 2, removing eight nuts 19, M8 long bolts 18, one distance tube 16 and four M5 long studs 17, and mounting the distance tubes on the tool plate 15;

step 3, dismantling the sandwich filter, and checking whether the O-shaped sealing ring 21 on the proportional valve 12 is intact and located at a specified position;

step 4, installing the proportional valve 12 by using the M5 long stud 17 and the M8 long bolt 18 detached from the tool plate 15;

and finally, when the hydraulic oil cleanliness is lower, the hydraulic oil is maintained to a higher hydraulic oil cleanliness value through the filter element 9 with the filtering precision of 5 mu m in the filter device, the first protective shell 4 and the second protective shell 5 are connected through the plug-in structure, the first protective shell 4 and the second protective shell 5 can be quickly separated, the filter element 9 protected in the first protective shell 4 and the second protective shell 5 can be exposed, the limiting spring 7 can be extruded through stirring the limiting plate 8, the limiting spring 7 can be contracted under the action of the pressure, and the limiting plate 8 and the surface of the filter element 9 can be conveniently separated, so that the filter element 9 can be conveniently taken out by workers, the filter element 9 can be quickly cleaned, time and labor are saved, and the cleaning efficiency of the filter element 9 is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A multi-way valve hydraulic oil filter comprising a diesel engine housing (1), characterized in that: the novel diesel engine filter is characterized in that the filter housing (2) is mounted on the left side of the upper surface of the diesel engine housing (1), the connector (3) is mounted on the right side of the filter housing (2), a filter element (9) is inserted into an inner cavity of the connector (3), a first protective housing (4) is arranged at the front portion of the left side of the connector (3), a second protective housing (5) is arranged on the back surface of the first protective housing (4), a clamping groove is formed in the position, corresponding to the clamping plate (6), of the second protective housing (5), a limiting spring (7) is mounted on the inner wall of the connector (3), a limiting plate (8) is mounted on the surface of the limiting spring (7), and the limiting plate (8) is of a semi-annular design.

2. The multi-way valve hydraulic oil filter of claim 1, wherein: four hydraulic oil ports are respectively formed in the upper surface and the lower surface of the filter shell (2), and O-shaped sealing rings (21) are respectively arranged in the oil ports;

the filter shell (2) is internally provided with a mounting bracket.

3. The multi-way valve hydraulic oil filter of claim 1, wherein: the limiting plates (8) are tightly attached to the surfaces of the filter elements (9), and the filter elements (9) are located in the space between the second protective shell (5) and the first protective shell (4).

4. The multi-way valve hydraulic oil filter of claim 1, wherein: the surface mounting of first protecting crust (4) has joint board (6), and here joint board (6) inserts and locates in the joint groove of second protecting crust (5).

5. The multi-way valve hydraulic oil filter of claim 1, wherein: the surface of connector (3) has also offered the joint groove, joint board (6) are also all installed to second protecting crust (5) and first protecting crust (4) and connector (3) joint groove corresponding position, and in this joint board (6) inserts locates in the joint groove of connector (3).