CN221170218U - High-pressure hydraulic oil filtering device - Google Patents
High-pressure hydraulic oil filtering device Download PDFInfo
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- CN221170218U CN221170218U CN202323015272.2U CN202323015272U CN221170218U CN 221170218 U CN221170218 U CN 221170218U CN 202323015272 U CN202323015272 U CN 202323015272U CN 221170218 U CN221170218 U CN 221170218U
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- shell
- filtering device
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 40
- 238000001914 filtration Methods 0.000 title claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 211
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a high-pressure hydraulic oil filtering device, which belongs to the technical field of hydraulic systems and comprises an oil filter oil inlet pipe, an oil filter oil outlet pipe, an oil filter shell and a filter element, wherein the oil filter oil inlet pipe and the oil filter oil outlet pipe are respectively connected to the side wall of the oil filter shell and one end of the oil filter shell, and an oil filter end cover is arranged at the other end of the oil filter shell in a sealing way; the middle part of the oil filter end cover is provided with a cylinder body, the side wall of the cylinder body is provided with a through hole, one end of the cylinder body is provided with a safety valve, and the other end is provided with a sealing plug. When the filter core is blocked, oil in the oil filter shell enters the cylinder body through the through hole in the side wall of the cylinder body, the safety valve is opened in a pressed mode, hydraulic oil enters the filter core and flows out through the oil outlet pipe of the oil filter, the problem that the system pressure is increased sharply due to the blocking of the filter core and damage to the whole hydraulic system is avoided. The convenient disassembly and replacement of the safety valve and the filter element can be realized. The utility model has the advantages of simple overall structure, convenient use and good practicality.
Description
Technical Field
The utility model belongs to the technical field of hydraulic systems, and particularly relates to a high-pressure hydraulic oil filtering device.
Background
In the running process of a mechanical system, various scrap iron and impurities are inevitably mixed into the hydraulic oil due to various reasons under the conditions of mutual meshing among gears, poor sealing of a mechanical device and the like, so that the performances of lubricating, heat dissipation, dispersion, cooling and the like of the oil are reduced. Therefore, corrosion and abrasion of metal parts can be caused, and if precise elements in the hydraulic system are damaged, the normal operation of the hydraulic system, the power system and the lubrication system is affected. Especially in a high-pressure system, if the problem of blockage of a hydraulic oil way filter element occurs, the system pressure is rapidly increased, and the whole system can be damaged when serious.
The traditional hydraulic oil filtering device has single function, only filters hydraulic pressure through a filter screen, and the filter core is easy to block, so that the system pressure is increased sharply, and the whole hydraulic system is damaged; and no effective means is provided for absorbing and collecting scrap iron in the hydraulic oil, thereby affecting various performances of the oil product.
Disclosure of utility model
The utility model provides a high-pressure hydraulic oil filtering device, which aims to solve the problems that the traditional hydraulic oil filtering device is single in function, hydraulic pressure is filtered only through a filter screen, a filter element is easy to block, and the system pressure is rapidly increased, so that the whole hydraulic system is damaged.
The utility model is realized by the following technical scheme:
the high-pressure hydraulic oil filtering device comprises an oil filter oil inlet pipe, an oil filter oil outlet pipe, an oil filter shell and a filter element arranged in the oil filter shell, wherein the oil filter oil inlet pipe and the oil filter oil outlet pipe are respectively connected to the side wall of the oil filter shell and one end of the oil filter shell, and an oil filter end cover is arranged at the other end of the oil filter shell in a sealing way; the middle part of the oil filter end cover is provided with a cylinder body which is hermetically installed with the end part of the filter element, the side wall of the cylinder body is provided with a through hole, one end, close to the filter element, in the cylinder body is provided with a safety valve, and one end, far away from the filter element, in the cylinder body is provided with a sealing plug.
Further improvements of the utility model are that the end cover of the oil filter is provided with a ring-shaped strong magnet in a positioning way.
According to the utility model, a boss is respectively arranged at one end, close to an oil outlet pipe of the oil filter, of the oil filter shell and one end, close to the filter core, of the barrel, and the two bosses and two ends of the filter core are respectively and hermetically installed through a second filter core sealing ring and a first filter core sealing ring.
The utility model further improves that the middle part of the filter element is provided with a tinned steel belt.
The utility model further improves that the oil inlet pipe of the oil filter is connected and installed with the side wall of the oil filter shell through a first hollow bolt.
The utility model further improves that the two sides of the oil inlet pipe of the oil filter are respectively provided with a first sealing gasket and a third sealing gasket.
In a further development of the utility model, the oil outlet pipe of the oil filter is connected to one end of the oil filter housing by means of a second hollow bolt.
The utility model further improves that both sides of the oil outlet pipe of the oil filter are respectively provided with a fourth sealing gasket and a fifth sealing gasket.
According to the utility model, a safety valve clamp spring capable of limiting the safety valve is arranged in the cylinder.
In a further development of the utility model, the oil filter end cap is mounted to the end of the oil filter housing by means of a screw connection, and an oil filter end cap sealing ring is mounted between the oil filter end cap and the oil filter housing.
From the technical scheme, the beneficial effects of the utility model are as follows:
During normal filtration, hydraulic oil enters the oil filter shell through the oil inlet pipe of the oil filter, flows out through the oil outlet pipe of the oil filter at the left end of the oil filter shell after being filtered through the cylindrical filter element, so that effective filtration of the hydraulic oil is realized, at the moment, no pressure difference exists at two sides of the safety valve, and the safety valve is in a closed state. When the filter core is blocked, oil in the oil filter shell enters the cylinder body through the through hole in the side wall of the cylinder body, and because the pressure difference exists at two sides of the safety valve, when the pressure difference is larger than the set pressure of the safety valve, the safety valve is opened in a pressed mode, hydraulic oil enters the filter core, and accordingly oil flows out of the oil outlet pipe of the oil filter at the left end, the problem that the whole hydraulic system is damaged due to the fact that the filter core is blocked and the system pressure is rapidly increased is avoided. And can realize convenient regulation and dismantlement to the relief valve through dismantling the sealing plug, can realize convenient dismantlement, change and the clearance to the filter core through dismantling the oil filter end cover. The utility model has the advantages of simple overall structure, convenient use and good practicality.
The novel oil filter can be used as special equipment for filtering new oil injected into a hydraulic system, can be used as a safety system for protecting the pressure safety of the hydraulic system, can effectively and better treat pollutants in hydraulic oil, and ensures the cleanliness of the oil, so that the service life of a hydraulic element is prolonged, and damage to the system element caused by too high system pressure due to blockage of a filter element can be avoided. And the filter element is convenient to replace, so that the cleanliness of the hydraulic oil is better ensured, and the whole hydraulic system can be operated more efficiently and safely.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic view of the structure of an oil filter housing according to an embodiment of the present utility model.
FIG. 3 is a schematic cross-sectional view of an end cap of an oil filter according to an embodiment of the present utility model.
Fig. 4 is a schematic diagram of an oil filter end cap structure according to an embodiment of the present utility model.
Fig. 5 is a schematic view of the oil inlet pipe structure of the oil filter according to the embodiment of the utility model.
FIG. 6 is a schematic diagram of an oil outlet pipe of an oil filter according to an embodiment of the present utility model.
In the accompanying drawings: 1. an oil filter oil inlet pipe; 2. a first hollow bolt; 3. a first sealing gasket; 4. an oil filter housing; 5. an oil filter end cover sealing ring; 6. an oil filter end cap; 7. strong magnet; 8. a first cartridge seal ring; 9. a sealing plug; 10. a safety valve clamp spring; 11. a safety valve; 12. a filter element; 13. a second cartridge seal ring; 14. an oil filter outlet pipe; 15. a second hollow bolt; 16. a second sealing gasket; 17. a third sealing gasket; 18. a fourth sealing gasket; 19. and a fifth sealing gasket.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1-6, an alternative embodiment of the present utility model discloses a high-pressure hydraulic oil filtering device, which comprises an oil filter oil inlet pipe 1, an oil filter oil outlet pipe 14, an oil filter housing 4 and a cylindrical filter element 12 installed inside the oil filter housing 4, wherein the oil filter oil inlet pipe 1 and the oil filter oil outlet pipe 14 are respectively connected and installed on the side wall of the oil filter housing 4 and the left end of the oil filter housing 4, and an oil filter end cover 6 is detachably and hermetically installed on the right end of the oil filter housing 4; the middle part of the oil filter end cover 6 is provided with a cylinder body which is hermetically arranged with the right end part of the filter element 12, the side wall of the cylinder body is provided with a through hole, the left end of the cylinder body is provided with a safety valve 11 in a threaded manner, the right end of the cylinder body is provided with a sealing plug 9 in a threaded manner, and a second sealing gasket 16 is arranged between the sealing plug 9 and the oil filter end cover 6.
During normal filtration, hydraulic oil enters the oil filter shell 4 through the oil filter oil inlet pipe 1, flows out through the oil filter oil outlet pipe 14 at the left end of the oil filter shell 4 after being filtered through the cylindrical filter element 12, realizes effective filtration of the hydraulic oil, and at the moment, no pressure difference exists at two sides of the safety valve 11, and the safety valve 11 is in a closed state. When the filter element 12 is blocked, oil in the oil filter shell 4 enters the cylinder body through the through hole on the side wall of the cylinder body, and as the pressure difference exists at two sides of the safety valve 11, when the pressure difference is larger than the set pressure of the safety valve 11, the safety valve 11 is opened in a pressed mode, hydraulic oil enters the filter element 12, and accordingly hydraulic oil flows out of the oil outlet pipe 14 of the oil filter at the left end, and the problem that the whole hydraulic system is damaged due to the fact that the filter element 12 is blocked and the system pressure is rapidly increased is avoided. And can realize convenient regulation and dismantlement to relief valve 11 through dismantling sealing plug 9, can realize convenient dismantlement, change and the clearance to filter core 12 through dismantling oil filter end cover 6. The utility model has the advantages of simple overall structure, convenient use and good practicality.
The safety valve 11 is provided with a cylindrical shell, a spring is arranged at the left end of the cylindrical shell, a sealing ball is elastically supported at the right end of the spring, an oil hole is formed in the side wall of the cylindrical shell, when the filter element 12 is blocked, oil presses the right side of the sealing ball, so that the spring is compressed, and when the sealing ball moves beyond the oil hole, the oil can flow through the safety valve 11. The outer ring of the cylinder shell is rotatably connected with the inner ring of the cylinder body of the oil filter end cover 6, and the inner ring of the right end of the cylinder shell is provided with an inner hexagonal hole, so that the safety valve 11 can be conveniently detached and installed.
In another alternative embodiment of the utility model, a high-pressure hydraulic oil filtering device is disclosed, which comprises an oil filter oil inlet pipe 1, an oil filter oil outlet pipe 14, an oil filter shell 4 and a cylindrical filter element 12 arranged in the oil filter shell 4, wherein the oil filter oil inlet pipe 1 and the oil filter oil outlet pipe 14 are respectively connected and arranged on the side wall of the oil filter shell 4 and the left end of the oil filter shell 4, and an oil filter end cover 6 is detachably and hermetically arranged at the right end of the oil filter shell 4; the middle part of the oil filter end cover 6 is provided with a cylinder body which is hermetically arranged with the right end part of the filter element 12, the side wall of the cylinder body is provided with a through hole, the left end of the cylinder body is provided with a safety valve 11 in a threaded manner, the right end of the cylinder body is provided with a sealing plug 9 in a threaded manner, and a second sealing gasket 16 is arranged between the sealing plug 9 and the oil filter end cover 6. An annular strong magnet 7 is positioned and installed on the end cover 6 of the oil filter. The strong magnet 7 is positioned and installed at the bottom of the oil filter end cover 6 and is arranged outside the cylinder body. When the filter core 12 is blocked, hydraulic oil passes through the safety valve 11, flows through the installation position of the strong magnet 7, and can adsorb the scrap iron in the hydraulic oil flowing through the strong magnet 7, so that the cleanliness of the hydraulic system oil in the blocking state of the filter core 12 is ensured.
Wherein, the inside one end that is close to oil filter play oil pipe 14 of oil filter casing 4 and the barrel are close to the one end of filter core 12 and are equipped with the boss respectively, and two bosses and filter core 12 both ends are sealed installation through second filter core sealing washer 13 and first filter core sealing washer 8 respectively. The filter element 12 is positioned and installed through the two bosses, and is sealed and installed through the second filter element sealing ring 13 and the first filter element sealing ring 8, so that the installation reliability of the filter element 12 is realized.
Furthermore, the filter element 12 is in clearance fit with the boss, so that the filter element 12 can be conveniently detached and replaced.
Wherein, be equipped with the tinned steel strip in the middle part of filter core 12, can guarantee that filter core 12 bears great pressure, guarantee filter core 12 reliability in use.
As shown in fig. 5, the oil filter oil inlet pipe 1 is connected and installed with the side wall of the oil filter housing 4 through the first hollow bolt 2. The two sides of the oil inlet pipe 1 of the oil filter are respectively provided with a first sealing gasket 3 and a third sealing gasket 17. The oil filter oil inlet pipe 1 is connected and installed through the first hollow bolt 2, the oil filter oil inlet pipe 1 and the oil filter shell 4 are connected and installed reliably and conveniently through the first sealing gasket 3 and the third sealing gasket 17 in a sealing mode, and the oil filter oil inlet pipe 1 is convenient to disassemble, assemble and overhaul.
As shown in fig. 6, the oil filter outlet pipe 14 is attached to one end of the oil filter housing 4 by a second hollow bolt 15. The oil filter outlet pipe 14 is provided with a fourth sealing gasket 18 and a fifth sealing gasket 19 on both sides respectively. The oil outlet pipe 14 of the oil filter is connected and installed through the second hollow bolt 15, and the oil outlet pipe 14 of the oil filter is connected and installed through the fourth sealing gasket 18 and the fifth sealing gasket 19 in a sealing manner, so that reliable sealing performance and convenience in connection and installation of the oil outlet pipe 14 of the oil filter and the oil filter shell 4 are realized, and disassembly, assembly and maintenance of the oil outlet pipe 14 of the oil filter are facilitated.
The safety valve clamp spring 10 capable of limiting the safety valve 11 is arranged in the cylinder body. The relief valve 11 can be prevented from loosening by the relief valve clamp spring 10, and the sealing is prevented from being loose.
The end parts of the oil filter end cover 6 and the oil filter shell 4 are connected and installed through bolts, and an oil filter end cover sealing ring 5 is installed between the oil filter end cover 6 and the oil filter shell 4. The right end of the oil filter shell 4 is provided with internal threads which are screwed with an oil filter end cover 6. The oil filter end cover 6 is reliably connected with the oil filter shell 4, has good sealing performance, can be conveniently detached, and provides convenience for replacing the filter element 12.
This high-pressure hydraulic oil filter equipment, during normal filtration, hydraulic oil gets into inside the oil filter casing 4 through oil filter inlet tube 1, and through the oil filter play oil pipe 14 of the left end of oil filter casing 4 outflow after the filter of tubular filter core 12, realizes effectively filtering hydraulic oil, and there is not pressure differential in the relief valve 11 both sides at this moment, and relief valve 11 is in the closed condition. When the filter element 12 is blocked, oil in the oil filter shell 4 enters the cylinder body through the through hole on the side wall of the cylinder body, and as the pressure difference exists at two sides of the safety valve 11, when the pressure difference is larger than the set pressure of the safety valve 11, the safety valve 11 is opened in a pressed mode, hydraulic oil enters the filter element 12, and accordingly hydraulic oil flows out of the oil outlet pipe 14 of the oil filter at the left end, and the problem that the whole hydraulic system is damaged due to the fact that the filter element 12 is blocked and the system pressure is rapidly increased is avoided. And can realize convenient regulation and dismantlement to relief valve 11 through dismantling sealing plug 9, can realize convenient dismantlement, change and the clearance to filter core 12 through dismantling oil filter end cover 6. The utility model has the advantages of simple overall structure, convenient use and good practicality.
In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.
The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present utility model and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The high-pressure hydraulic oil filtering device comprises an oil filter oil inlet pipe (1), an oil filter oil outlet pipe (14), an oil filter shell (4) and a filter element (12) arranged in the oil filter shell (4), and is characterized in that the oil filter oil inlet pipe (1) and the oil filter oil outlet pipe (14) are respectively connected to the side wall of the oil filter shell (4) and one end of the oil filter shell (4), and an oil filter end cover (6) is arranged at the other end of the oil filter shell (4) in a sealing manner; the middle part of the oil filter end cover (6) is provided with a cylinder body which is hermetically arranged with the end part of the filter element (12), the side wall of the cylinder body is provided with a through hole, one end of the cylinder body, which is close to the filter element (12), is provided with a safety valve (11), and one end of the cylinder body, which is far away from the filter element (12), is provided with a sealing plug (9).
2. The high-pressure hydraulic oil filtering device according to claim 1, characterized in that the oil filter end cap (6) is provided with an annular strong magnet (7) in a positioning manner.
3. The high-pressure hydraulic oil filtering device according to claim 1, wherein a boss is respectively arranged at one end, close to an oil outlet pipe (14) of the oil filter, of the oil filter shell (4) and one end, close to the filter element (12), of the cylinder, and the two bosses and two ends of the filter element (12) are respectively installed in a sealing manner through a second filter element sealing ring (13) and a first filter element sealing ring (8).
4. A high pressure hydraulic oil filter arrangement according to claim 3, characterized in that the central part of the filter element (12) is provided with a tin-plated steel strip.
5. The high-pressure hydraulic oil filtering device according to claim 1, wherein the oil filter oil inlet pipe (1) is connected and installed with the side wall of the oil filter shell (4) through a first hollow bolt (2).
6. The high-pressure hydraulic oil filtering device according to claim 5, wherein the two sides of the oil inlet pipe (1) of the oil filter are respectively provided with a first sealing gasket (3) and a third sealing gasket (17).
7. The high-pressure hydraulic oil filtering device according to claim 1, characterized in that the oil filter outlet pipe (14) is connected and installed with one end of the oil filter shell (4) through a second hollow bolt (15).
8. The high-pressure hydraulic oil filtering device according to claim 7, wherein a fourth sealing gasket (18) and a fifth sealing gasket (19) are respectively arranged at two sides of the oil outlet pipe (14) of the oil filter.
9. The high-pressure hydraulic oil filtering device according to claim 1, characterized in that a safety valve clamp spring (10) capable of limiting a safety valve (11) is arranged in the cylinder.
10. The high-pressure hydraulic oil filtering device according to claim 1, characterized in that the oil filter end cap (6) is mounted by bolting with the end of the oil filter housing (4), and an oil filter end cap sealing ring (5) is mounted between the oil filter end cap (6) and the oil filter housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323015272.2U CN221170218U (en) | 2023-11-08 | 2023-11-08 | High-pressure hydraulic oil filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323015272.2U CN221170218U (en) | 2023-11-08 | 2023-11-08 | High-pressure hydraulic oil filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221170218U true CN221170218U (en) | 2024-06-18 |
Family
ID=91437234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323015272.2U Active CN221170218U (en) | 2023-11-08 | 2023-11-08 | High-pressure hydraulic oil filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221170218U (en) |
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2023
- 2023-11-08 CN CN202323015272.2U patent/CN221170218U/en active Active
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