CN219691891U - Built-in oil return filter of oil tank with adsorption magnet - Google Patents
Built-in oil return filter of oil tank with adsorption magnet Download PDFInfo
- Publication number
- CN219691891U CN219691891U CN202223355165.XU CN202223355165U CN219691891U CN 219691891 U CN219691891 U CN 219691891U CN 202223355165 U CN202223355165 U CN 202223355165U CN 219691891 U CN219691891 U CN 219691891U
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- Prior art keywords
- filter element
- filter
- oil
- magnet
- pressing seat
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000002828 fuel tank Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims 6
- 241001330002 Bambuseae Species 0.000 claims 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 6
- 239000011425 bamboo Substances 0.000 claims 6
- 239000007788 liquid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 50
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to an oil tank built-in return filter with an adsorption magnet, which belongs to the field of oil pressure filters and comprises a filter element pressing seat, a filter element assembly, a bypass valve assembly, a filter cylinder and a bottom cover, wherein the bottom cover is connected with the bottom of the filter cylinder; the outer top surface of the filter element pressing seat is fixedly provided with a spring and is used for being connected with the fuel tank cover; the filter element pressing seat is uniformly provided with a plurality of oil inlet holes, the oil inlet holes are communicated with the inside of the filter element assembly, the bottom cover is provided with oil outlet holes, and the oil inlet holes, the filter element assembly and the oil outlet holes are mutually communicated to form an oil filtering loop. The utility model has convenient installation and connection, saves space and ensures that the system layout is more compact; good filtering performance and high safety.
Description
Technical Field
The utility model relates to an oil tank built-in return filter with an adsorption magnet, and belongs to the field of oil pressure filters.
Background
Generally, the hydraulic oil often contains granular impurities, so that abrasion, sliding valve clamping stagnation and blockage of a throttle orifice are caused on the relative movement surface of a hydraulic element, normal operation of the whole hydraulic system is influenced, the service life of the hydraulic system is greatly shortened, and most of faults of the hydraulic system are caused by unclean hydraulic oil, so that the filtering of oil is very important.
When fluid filters, except needing filtering the granule, some metallic impurity such as iron etc. hardly filters simultaneously, in the current oil return filter, equal flow filter is bulky, and the filter core is with changing inconveniently, and filtration precision is poor, hardly satisfies actual equipment demand.
Disclosure of Invention
The utility model aims to overcome the defects, and provides the oil return filter with the adsorption magnet in the oil tank, which can simultaneously filter impurities such as iron slag, rubber particles and the like and prolong the service life of the oil return filter.
According to the technical scheme provided by the utility model, the oil tank built-in return filter with the adsorption magnet comprises a filter element pressing seat, a filter element assembly, a bypass valve assembly, a filter cartridge and a bottom cover, wherein the bottom cover is connected with the bottom of the filter cartridge;
the outer top surface of the filter element pressing seat is fixedly provided with a spring and is used for being connected with the fuel tank cover;
the filter element pressing seat is uniformly provided with a plurality of oil inlet holes, the oil inlet holes are communicated with the inside of the filter element assembly, the bottom cover is provided with oil outlet holes, the oil inlet holes, the filter element assembly and the oil outlet holes are mutually communicated to form an oil filtering loop, when the filter element assembly is blocked, oil compresses the bypass valve spring to drive the filter element assembly to move downwards to separate from the filter element pressing seat, and a spare oil way is formed by the oil inlet holes, the filter element assembly, a gap of the filter element pressing seat, the filter element inner cavity and the oil outlet holes.
As a further improvement of the utility model, the filter element assembly further comprises a filter element upper cover, a filter material and an outer framework, wherein the outer framework is arranged between the filter element upper cover and the filter element lower cover, the filter material is arranged in the outer framework, a filter oil hole is formed in the outer framework, the filter element upper cover is connected with the filter element pressing seat, and a round hole communicated with the oil inlet hole is formed in the middle of the filter element upper cover.
As a further improvement of the utility model, a plurality of magnets are fixed on the lower surface of the filter element pressing seat.
As a further improvement of the utility model, a magnet screw rod is arranged on the magnet in a penetrating way, a plurality of magnets are arranged on the magnet screw rod in a arraying way, one end of the magnet screw rod is screwed on the filter element pressing seat, and the other end of the magnet screw rod is sleeved with a magnet fixing plate and a second nut.
As a further improvement of the utility model, a magnet cushion block is arranged between the listed magnets.
As a further improvement of the utility model, a connecting block is fixed on the outer side of the filter cylinder flange.
As a further improvement of the utility model, a first nut is arranged at the connecting end of the filter element pressing seat and the screw rod.
The utility model has the beneficial effects that:
the filter is convenient to install and connect, the filter is fixed in the auxiliary oil tank through the O-shaped ring, and the filter element is directly inserted in the oil tank, so that a pipeline is simplified, the space is saved, and the system layout is more compact.
When the filter element is cleaned or replaced, the filter element is pulled out only by opening the oil tank cover.
When the filter element is blocked by pollutants to 1.5Bar, if the filter element cannot be stopped or replaced immediately, the bypass valve arranged on the upper cover of the filter element can be automatically opened, and the oil way is protected to work normally.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of the present utility model.
FIG. 2 is a flow chart of oil when the utility model is used.
Reference numerals illustrate: 1. a spring; 2. a first nut; 3. a filter element pressing seat; 4. a first O-ring; 5. a second O-ring; 6. a filter element upper cover; 7. an outer skeleton; 8. a filter material; 9. a filter element lower cover; 10. a screw rod; 11. a third O-ring; 12. a bypass valve spring; 13. a spring seat; 14. a bypass valve nut; 15. a cartridge flange; 16. a fourth O-ring; 17. a bottom cover; 18. a magnet; 19. a magnet pad; 20. a second nut; 21. a magnet screw rod; 22. a magnet fixing plate; 23. a filter cartridge; 24. and (5) connecting a block.
Detailed Description
The utility model will be further described with reference to examples of embodiments in the accompanying drawings, in which:
as shown in the figure, the oil tank built-in oil return filter with the adsorption magnet comprises a filter element pressing seat 3, a filter element assembly, a bypass valve assembly, a filter cylinder 23 and a bottom cover 17, wherein the bottom cover 17 is connected with the bottom of the filter cylinder 23, the top of the filter cylinder 23 is provided with a filter cylinder flange 15, the filter element pressing seat 3 is arranged on the filter cylinder flange 15 in a clamping manner, the bypass valve assembly comprises a screw rod 10, a bypass valve spring 12, a spring seat 13 and a bypass valve nut 14, the screw rod 10 is arranged at the top of the filter element pressing seat 3, the bypass valve spring 12 is arranged on a filter element lower cover 9 of the filter element assembly and sleeved on the screw rod 10, the bottom end of the bypass valve spring 12 is provided with a spring seat 13, the bottom of the screw rod 10 is rotatably connected with the bypass valve nut 14 for fixing the spring seat 13 at the bottom end of the bypass valve spring 12, and the top of the filter element assembly is connected with the filter element pressing seat 3;
the outer top surface of the filter element pressing seat 3 is fixed with a spring 1 for being connected with a fuel tank cover;
the filter element pressing seat 3 is uniformly provided with a plurality of oil inlet holes, the oil inlet holes are communicated with the inside of the filter element assembly, the bottom cover 17 is provided with oil outlet holes, the oil inlet holes, the filter element assembly and the oil outlet holes are mutually communicated to form an oil filtering loop, when the filter element assembly is blocked, oil compresses the bypass valve spring 12 to drive the filter element assembly to move downwards to be separated from the filter element pressing seat 3, and a spare oil way is formed by the oil inlet holes, the filter element assembly, a gap between the filter element pressing seat 3, a filter element inner cavity and the oil outlet holes.
The filter element assembly further comprises a filter element upper cover 6, a filter material 8 and an outer framework 7, wherein the outer framework 7 is arranged between the filter element upper cover 6 and a filter element lower cover 9, the filter material 8 is arranged in the outer framework 7, an oil filtering hole is formed in the outer framework 7, the filter element upper cover 6 is connected with the filter element pressing seat 3, and a round hole communicated with the oil inlet hole is formed in the middle of the filter element upper cover 6.
A plurality of magnets 18 are fixed on the lower surface of the filter element pressing seat 3; a magnet screw rod 21 is arranged on the magnet 18 in a penetrating manner, a plurality of magnets 18 are arranged on the magnet screw rod 21 in a arraying manner, one end of the magnet screw rod 21 is screwed on the filter element pressing seat 3, and the other end of the magnet screw rod 21 is sleeved with a magnet fixing plate 22 and a second nut 20; a magnet cushion block 19 is arranged between the magnets 18, and the magnets 18 are beneficial to adsorbing impurities such as iron.
A connecting block 24 is fixed on the outer side of the cartridge flange 15, as shown in fig. 2, and is used for fixing the oil return filter in the oil tank.
The connecting end of the filter element pressing seat 3 and the screw rod 10 is provided with a first nut 2 used for locking the screw rod 10.
The novel filter element filter comprises a filter element pressing seat 3, a filter element upper cover 6, a filter element lower cover 9, a bypass valve spring 12, a filter element fixing block 24, a filter element flange 15, a filter element pressing seat 3, a filter element lower cover 9 and a filter element lower cover 9, wherein a first O-shaped ring 4 is arranged between the filter element pressing seat 3 and the filter element flange 15, a second O-shaped ring 5 is arranged between the filter element pressing seat 3 and the filter element upper cover 6, a third O-shaped ring 11 is arranged between the bypass valve spring 12 and the filter element lower cover 9, a fourth O-shaped ring 16 is arranged between the fixing block 24 and the filter element flange 15, and all the O-shaped rings are used for sealing and preventing stress contact from damaging components.
The filter performance:
nominal flow rate: 600L/min;
nominal pressure: 1Mpa;
and (3) filtering precision: 10 μm;
burst pressure of the filter element: 10bar;
operating temperature: -30 ℃ -120 ℃;
the accessories can be selected from: a diffuser, a magnetic rod;
the filter element is made of the following materials: glass fibers;
working medium: mineral oil, synthetic oil.
The working process and principle of the utility model are as follows:
as shown in fig. 2, oil enters from the auxiliary oil tank, enters the filter element assembly through the filter element pressing seat 3, is filtered through the magnet 18 to adsorb metal particles and the filter element assembly, and is conveyed into the main oil tank from the auxiliary oil tank. When the filter element assembly is blocked, the filter element assembly is pressed downwards, and when the filter element assembly is larger than the elastic force of the bypass valve, oil flows to the main oil tank from the gap between the filter element upper cover 6 and the O-shaped ring 5.
When the maintenance is needed, the fuel tank cover is opened, and the filter element pressing seat 3 and the filter element assembly can be directly taken out, so that the cleaning and the replacement are convenient.
Claims (7)
1. The utility model provides a take oil tank built-in oil return filter of adsorption magnet, includes filter core pressure seat (3), filter core assembly, bypass valve subassembly, strains section of thick bamboo (23) and bottom (17), its characterized in that, bottom (17) with the bottom of straining section of thick bamboo (23) is connected, the top of straining section of thick bamboo (23) is provided with straining section of thick bamboo flange (15), filter core pressure seat (3) set up on straining section of thick bamboo flange (15) with the joint mode, bypass valve subassembly includes lead screw (10), bypass valve spring (12), spring holder (13) and bypass valve nut (14), lead screw (10) set up the top of filter core pressure seat (3), bypass valve spring (12) set up on filter core lower cover (9) of filter core assembly and the cover is established on lead screw (10), the bottom of bypass valve spring (12) is provided with spring holder (13), connect soon in the bottom of lead screw (10) has bypass valve nut (14) for with bypass valve nut (13) are in the bottom of straining section of thick bamboo spring (12), the top of assembly is pressed with filter core (3).
The outer top surface of the filter element pressing seat (3) is fixed with a spring (1) which is used for being connected with the fuel tank cover;
the filter element pressing seat (3) is uniformly provided with a plurality of oil inlet holes, the oil inlet holes are communicated with the inside of the filter element assembly, the bottom cover (17) is provided with oil outlet holes, the oil inlet holes, the filter element assembly and the oil outlet holes are mutually communicated to form an oil filtering loop, when the filter element assembly is blocked, oil liquid is compressed by the bypass valve spring (12) to drive the filter element assembly to move downwards to separate from the filter element pressing seat (3), and a spare oil way is formed by the oil inlet holes, the filter element assembly, a gap of the filter element pressing seat (3), a filter cylinder inner cavity and the oil outlet holes.
2. The oil tank built-in return filter with the adsorption magnet according to claim 1, wherein the filter element assembly further comprises a filter element upper cover (6), a filter material (8) and an outer framework (7), the outer framework (7) is arranged between the filter element upper cover (6) and the filter element lower cover (9), the filter material (8) is arranged in the outer framework (7), an oil filtering hole is formed in the outer framework (7), the filter element upper cover (6) is connected with the filter element pressing seat (3), and a round hole communicated with the oil inlet hole is formed in the middle of the filter element upper cover (6).
3. The oil return filter with the adsorption magnet in the oil tank is characterized in that a plurality of magnets (18) are fixed on the lower surface of the filter element pressing seat (3).
4. A built-in oil return filter with an adsorption magnet for an oil tank according to claim 3, wherein a magnet screw rod (21) is arranged on the magnet (18) in a penetrating way, a plurality of magnets (18) are arranged on the magnet screw rod (21), one end of the magnet screw rod (21) is screwed on the filter element pressing seat (3), and the other end of the magnet screw rod (21) is sleeved with a magnet fixing plate (22) and a second nut (20).
5. The built-in return oil filter with the adsorption magnets for the oil tank according to claim 4, wherein a magnet cushion block (19) is arranged between the listed magnets (18).
6. The oil tank built-in return filter with the adsorption magnet according to claim 1, wherein a connecting block (24) is fixed on the outer side of the filter cylinder flange (15).
7. The oil tank built-in return filter with the adsorption magnet according to claim 1, wherein a first nut (2) is arranged at the connecting end of the filter element pressing seat (3) and the screw rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223355165.XU CN219691891U (en) | 2022-12-12 | 2022-12-12 | Built-in oil return filter of oil tank with adsorption magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223355165.XU CN219691891U (en) | 2022-12-12 | 2022-12-12 | Built-in oil return filter of oil tank with adsorption magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691891U true CN219691891U (en) | 2023-09-15 |
Family
ID=87967514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223355165.XU Active CN219691891U (en) | 2022-12-12 | 2022-12-12 | Built-in oil return filter of oil tank with adsorption magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691891U (en) |
-
2022
- 2022-12-12 CN CN202223355165.XU patent/CN219691891U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |