CN217207132U - Hydraulic oil return filter - Google Patents
Hydraulic oil return filter Download PDFInfo
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- CN217207132U CN217207132U CN202220769087.9U CN202220769087U CN217207132U CN 217207132 U CN217207132 U CN 217207132U CN 202220769087 U CN202220769087 U CN 202220769087U CN 217207132 U CN217207132 U CN 217207132U
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- cover
- filter core
- filter element
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Abstract
The utility model relates to a hydraulic pressure returns oil cleaner, include upper cover, lower cover and distribute in the center tube subassembly between upper cover and lower cover, its characterized in that: the magnetic ring is characterized by further comprising a hollow shell with an open upper end, the upper cover, the lower cover and the central pipe assembly are installed in the shell, and the upper end of the shell is connected with a magnetic ring in a sealing mode. The utility model has the advantages that: the utility model provides an oil filter is returned to hydraulic pressure solves the problem that current filter core is scratched, protects the filter core, prolongs the life of filter core, also can promote the filtering quality of filter core.
Description
Technical Field
The utility model relates to a filter technical field, concretely relates to hydraulic pressure returns oil cleaner.
Background
In the prior art, a filter element is generally arranged in a filter shell of the filter device, and the function of the filter device for filtering water is realized through the filter element. The traditional filter element is generally cylindrical, and can be a layer of filter element or a plurality of filter elements.
The working process of the existing industrial filter is that the filter element is arranged in the filter shell, fluid enters the inner cavity of the filter element from an inlet at the upper part of the filter element, and after being filtered by the filter layer, the fluid flows out from the inner side to the outer side of the filter layer, enters the area between the filter element and the filter shell and is discharged from a discharge port on the filter shell. The current filter element has the following problems: (1) the fluid to be filtered contains metal particles, and the metal particles can scratch parts such as an upper cover and a lower cover of the filter paper in the filtering process, so that the filtering performance of the filter element is reduced, and the service life of the filter element is greatly shortened; (2) when fluid to be filtered is input into the filter element, the fluid flow velocity is too high, the pressure is easily caused to be instantaneously too high, the filter element is heavier due to the too high pressure, and the service life of the filter element is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a hydraulic pressure returns oil filter, solves the problem that current filter core was by the scratch, and the protection filter core prolongs the life of filter core, also can promote the filtering quality of filter core.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hydraulic return oil filter, includes upper cover, lower cover and distributes in the center tube subassembly between upper cover and lower cover, its characterized in that still includes inside cavity and the upper end is the shell of opening form, upper cover, lower cover, center tube subassembly are installed in the shell, the upper end sealing connection of shell has the magnetic ring.
By adopting the technical scheme, the magnetic ring is arranged at the oil inlet, so that metal particles in oil can be absorbed, the filter element is prevented from being abraded by the metal particles, the problem that the conventional filter element is scratched is solved, the filter element is protected, the service life of the filter element is prolonged, and the filtering performance of the filter element can be improved; further, through setting up the shell, on the one hand, be convenient for install the magnetic ring, on the other hand increases the interval between magnetic ring and the upper cover, just can filter the metal particle in the fluid of waiting to filter between not getting into the filter core waiting to filter fluid, promotes the filter effect.
The hydraulic oil return filter may further be configured to: a sealing cover is arranged between the magnetic ring and the shell, a first turned edge is arranged on the outer side of the sealing cover, a second turned edge capable of being mutually embedded with the first turned edge is arranged at the upper end of the shell, and an outer sealing ring is relatively and fixedly connected with the sealing cover.
By adopting the technical scheme, the sealing cover and the outer sealing ring are arranged, so that oil is prevented from leaking between the magnetic ring and the shell, and the oil to be filtered enters the filter element from a predetermined route; wherein, the closing cap also can be fixed a position the magnetic ring, the magnetic ring installation of being convenient for is spacing.
The hydraulic oil return filter may further be configured to: the upper end of shell can be dismantled and be connected with the filter core installed part, the filter core installed part is the toper, the toper tip and the upper cover threaded connection of filter core installed part, the toper main aspects of filter core installed part is contradicted with the closing cap and is connected.
By adopting the technical scheme, the filter element mounting piece is arranged, so that the filter element can be conveniently mounted in the shell, and when the filter element is mounted in the shell, the conical small end of the filter element mounting piece can be used for mounting and positioning the filter element and fixing the position of the filter element, so that the filter element is prevented from shaking in the shell; furthermore, the upper end of the filter element mounting part is in abutting connection with the sealing cover, the filter element mounting part is integrally conical, oil to be filtered is guided, and the oil is made to enter the filter element according to a set route.
The hydraulic oil return filter may further be configured to: an inner sealing ring is arranged between the conical small end of the filter element mounting piece and the upper cover.
Adopt above-mentioned technical scheme, set up the inner seal circle, prevent to wait to filter fluid from upper cover leakage.
The hydraulic oil return filter may further be configured to: the lower extreme of shell is equipped with the top tight spring of being connected with filter core lower cover conflict.
Adopt above-mentioned technical scheme, through setting up the tight spring in top, do spacingly to the filter core lower part, further consolidate the relation of connection between filter core and the shell, prevent that the filter core from controlling and rocking, and the tight spring in top can eliminate the influence that the error brought, the different filter cores of adaptability installation.
The hydraulic oil return filter may further be configured to: still include the bypass valve, the bypass valve distributes in center tube lower part and can dismantle with filter core lower cover and be connected, the lower extreme of shell is equipped with the oil gallery of distributing on the lateral wall.
By adopting the technical scheme, when the oil flow is too large, namely the resistance is greater than the rated pressure of the machine, the bypass valve can be opened, the system returns oil through the oil return hole and the bypass valve, and the machine is prevented from being damaged by too high pressure.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The hydraulic oil return filter shown in fig. 1 to 2 includes an upper cover 1, a lower cover 2, a central tube assembly 3 disposed between the upper cover 1 and the lower cover 2, and a hollow housing 5 with an open upper end, wherein the upper cover 1, the lower cover 2, and the central tube assembly 3 are installed in the housing 5, and the upper end of the housing 5 is hermetically connected with a magnetic ring 4. The magnetic ring 4 is arranged at the oil inlet, so that metal particles in oil can be absorbed, the filter element is prevented from being abraded by the metal particles, the problem that the conventional filter element is scratched is solved, the filter element is protected, the service life of the filter element is prolonged, and the filtering performance of the filter element can be improved; further, through setting up shell 5, on the one hand, be convenient for install magnetic ring 4, on the other hand increases the interval between magnetic ring 4 and the upper cover 1, just can filter the metal particle in the fluid of waiting to filter between not getting into the filter core waiting to filter fluid, promotes the filter effect.
A sealing cover 6 is arranged between the magnetic ring 4 and the shell 5, a first curled edge 61 is arranged on the outer side of the sealing cover 6, a second curled edge 51 which can be mutually embedded with the first curled edge 61 is arranged at the upper end of the shell 5, and the sealing cover 6 is relatively and fixedly connected with an outer sealing ring 7. By arranging the sealing cover 6 and the outer sealing ring 7, the oil is prevented from leaking between the magnetic ring 4 and the shell 5, and the oil to be filtered enters the filter element from a predetermined route; wherein, the seal cover 6 can also position the magnetic ring 4, which is convenient for the installation and the limit of the magnetic ring 4.
The upper end of shell 5 can be dismantled and be connected with filter core installed part 8, filter core installed part 8 is the toper, 1 threaded connection of the toper tip and the upper cover of filter core installed part 8, the toper main aspects of filter core installed part 8 contradict with closing cap 6 and are connected. The filter element mounting piece 8 is arranged, so that the filter element can be conveniently mounted in the shell 5, and when the filter element is mounted in the shell 5, the conical small end of the filter element mounting piece 8 can be used for mounting, positioning and fixing the position of the filter element, so that the filter element is prevented from shaking in the shell 5; furthermore, the upper end of the filter element mounting part 8 is in abutting connection with the sealing cover 6, the filter element mounting part 8 is integrally conical, oil to be filtered is guided, and the oil is promoted to enter the filter element according to a given route.
An inner sealing ring 9 is arranged between the conical small end of the filter element mounting piece 8 and the upper cover 1. An inner sealing ring 9 is arranged to prevent the oil liquid to be filtered from leaking out of the upper cover 1.
The lower end of the shell 5 is provided with a jacking spring 10 which is connected with the filter element lower cover 2 in an abutting mode. Through setting up top tight spring 10, make spacingly to the filter core lower part, further consolidate the relation of connection between filter core and the shell 5, prevent that the filter core from rocking about, and top tight spring 10 can eliminate the influence that the error brought, the different filter cores of adaptability installation.
Still include bypass valve 11, bypass valve 11 distributes in the center tube lower part and can dismantle with filter core lower cover 2 and be connected, the lower extreme of shell 5 is equipped with oil gallery 12 that distributes on the lateral wall. When the oil flow is too large, namely the resistance is greater than the rated pressure of the machine, the bypass valve 11 is opened, the system returns oil through the oil return hole 12 and the bypass valve 11, and the machine is prevented from being damaged by too high pressure.
Claims (6)
1. The utility model provides an oil filter is returned to hydraulic pressure, includes upper cover, lower cover and distributes in the center tube subassembly between upper cover and lower cover, its characterized in that: the magnetic ring is characterized by further comprising a hollow shell with an open upper end, the upper cover, the lower cover and the central pipe assembly are installed in the shell, and the upper end of the shell is connected with a magnetic ring in a sealing mode.
2. A hydraulic return filter according to claim 1 wherein: a sealing cover is arranged between the magnetic ring and the shell, a first turned edge is arranged on the outer side of the sealing cover, a second turned edge capable of being mutually embedded with the first turned edge is arranged at the upper end of the shell, and an outer sealing ring is relatively and fixedly connected with the sealing cover.
3. A hydraulic return filter according to claim 2 wherein: the upper end of shell can be dismantled and be connected with the filter core installed part, the filter core installed part is the toper, the toper tip and the upper cover threaded connection of filter core installed part, the toper main aspects of filter core installed part is contradicted with the closing cap and is connected.
4. A hydraulic return filter according to claim 3 wherein: an inner sealing ring is arranged between the conical small end of the filter element mounting piece and the upper cover.
5. A hydraulic return filter according to claim 2 wherein: the lower extreme of shell is equipped with the top tight spring of being connected with filter core lower cover conflict.
6. A hydraulic return filter according to any one of claims 1 to 5 wherein: still include the bypass valve, the bypass valve distributes in center tube lower part and can dismantle with filter core lower cover and be connected, the lower extreme of shell is equipped with the oil gallery of distributing on the lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769087.9U CN217207132U (en) | 2022-03-31 | 2022-03-31 | Hydraulic oil return filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769087.9U CN217207132U (en) | 2022-03-31 | 2022-03-31 | Hydraulic oil return filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217207132U true CN217207132U (en) | 2022-08-16 |
Family
ID=82760308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220769087.9U Active CN217207132U (en) | 2022-03-31 | 2022-03-31 | Hydraulic oil return filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217207132U (en) |
-
2022
- 2022-03-31 CN CN202220769087.9U patent/CN217207132U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hydraulic return oil filter Effective date of registration: 20230615 Granted publication date: 20220816 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG SANTIAN FILTER Co.,Ltd. Registration number: Y2023980044158 |