CN206555123U - Oil pump with filter - Google Patents
Oil pump with filter Download PDFInfo
- Publication number
- CN206555123U CN206555123U CN201720211650.XU CN201720211650U CN206555123U CN 206555123 U CN206555123 U CN 206555123U CN 201720211650 U CN201720211650 U CN 201720211650U CN 206555123 U CN206555123 U CN 206555123U
- Authority
- CN
- China
- Prior art keywords
- filter
- screen pack
- oil
- cartridge filter
- pump housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of oil pump with filter, its drip irrigation device is to include the pump housing, the pump housing is provided with oil inlet and oil-out, the pump housing is provided with large aperture screen pack in the inwall top plug close to oil inlet, the pump housing is provided with cartridge filter in close proximity to the inwall top plug of large aperture screen pack, cartridge filter is provided with filter bores along its length, the porch aperture of filter bores is more than the exit aperture of filter bores, the pump housing is provided with small-bore screen pack in the flow direction along hydraulic oil close to the inwall top plug of the Way out of cartridge filter, use the oil pump of the application, there is double filtration effect to hydraulic oil, and buffered is carried out to the hydraulic oil between large aperture screen pack and small-bore screen pack, hydraulic oil is set to be not easily blocked oil pipe, so as to extend the service life of oil pump.
Description
Technical field
The utility model is related to oil pump, more particularly to a kind of oil pump with filter.
Background technology
In hydraulic system, hydraulic jack serves support and produces the effect of pressure, generally use as executive component
Oil pump drives the motion of oil cylinder, and oil pump is bigger to the power that hydraulic jack is provided, and the power that hydraulic jack is subject to is more sufficient, institute
So that the running status of oil cylinder has influence on the work quality and reliability of equipment.
At present, the Chinese patent that Authorization Notice No. is CN202579165U in existing patent discloses a kind of with screen pack
Oil pump, the oil pump, provided with a dismountable gross porosity filter screen, effectively prevent irony by oil pump inspiration at the oil inlet of oil pump
The drawbacks of in oil pump, so as to help to extend the service life of oil pump.
But, the hydraulic oil irrigated in the prior art into oil pump is through recycled for multiple times, to be deposited in hydraulic oil
In substantial amounts of impurity, after the hydraulic oil with impurity is flowed into oil pipe, the blocking of oil pipe can be caused, during reducing use
Stability.
Utility model content
The purpose of this utility model is to provide a kind of oil with filter for helping to extend the service life of oil pump
Pump.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of oil pump with filter, including the pump housing, the pump housing are provided with oil inlet and oil-out, the pump housing
Large aperture screen pack is provided with the inwall top plug close to oil inlet, the pump housing is set in close proximity to the inwall top plug of large aperture screen pack
There is cartridge filter, the cartridge filter is more than filtering provided with filter bores along its length, the porch aperture of the filter bores
The exit aperture in hole, the pump housing is set in the flow direction along hydraulic oil close to the inwall top plug of the Way out of cartridge filter
There is small-bore screen pack.
By using above-mentioned technical proposal, large aperture screen pack and small-bore screen pack, large aperture mistake are set in the pump housing
Filter screen can be filtered impurity larger in hydraulic oil, and small-bore screen pack can be carried out less impurity in hydraulic oil
Filtering, sets the porch of the filter bores on cartridge filter, and cartridge filter between large aperture screen pack and small-bore screen pack
Diameter is more than the aperture in filter bores exit, enters via the hydraulic oil after the filter screen filtration of large aperture in cartridge filter, along mistake
The guiding of filter opening flows to small-bore screen pack, helps to carry out in the hydraulic oil for flowing into small-bore screen pack from large aperture screen pack
Effective buffering, then, using the oil pump of the application, has via small-bore screen pack to the further filtering of hydraulic oil to hydraulic oil
There is double filtration effect, and buffered is carried out to the hydraulic oil between large aperture screen pack and small-bore screen pack, make liquid
Force feed is not easily blocked oil pipe, so as to extend the service life of oil pump.
The utility model is further arranged to：The cartridge filter includes two can be engaged by clamping the first half and second
Half, the end wall that the first half directions are the second half is provided with neck, the end wall of described the second half be provided be used for
The elastic clamping block that neck is engaged by clamping.
By using above-mentioned technical proposal, cartridge filter is by the first half together with the second half are engaged by clamping, when making
After a period of time, the first half are separated with the second half, the first half are cleared up with the second half with facilitating,
Improve the fluency that hydraulic oil flows through cartridge filter.
The utility model is further arranged to：The cartridge filter is provided with the external annulus at close middle part will be difficult to from filtering
The through hole that the hydraulic oil circulation of the Way out outflow in hole is flowed back to outside cartridge filter, the aperture of the through hole and filter bores are in porch
Aperture it is suitable.
By using above-mentioned technical proposal, the hydraulic oil flowed out at the screen pack of large aperture is flowed into cartridge filter, due to mistake
The porch aperture of filter opening is more than the exit aperture of filter bores, so there is partial impurities to flow into filter bores in hydraulic oil
It is interior, but filter bores can not be flowed out, set through hole to contribute to by the hydraulic oil outflow with this partial impurities, to prevent in filter bores
The blocking of hydraulic oil.
The utility model is further arranged to：The bottom wall of the through hole is provided with the convenient inclination flowed out to outside cartridge filter
Face.
By using above-mentioned technical proposal, due to Action of Gravity Field, hydraulic oil can flow out cartridge filter along the guiding of inclined plane
Outside, the hydraulic oil failed from the Way out outflow of filter bores is flowed out from through hole, prevents the hydraulic oil stream with impurity
Enter in the pump housing, to be resulted in blockage to oil pipe.
The utility model is further arranged to：Annular groove, the outer shroud of the cartridge filter are offered on the inwall of the pump housing
Wall, which is provided with, can be connected to the annular fixture block in annular groove.
By using above-mentioned technical proposal, it is engaged by clamping using annular fixture block and annular groove, is fixed on cartridge filter
On the inwall of the pump housing, the convenience and agility of cartridge filter installation are favorably improved.
The utility model is further arranged to：The cartridge filter is towards rotating in the outer end wall of small-bore screen pack provided with the
One rotating shaft, the small-bore filtration net cover is located in first rotating shaft.
By using above-mentioned technical proposal, small-bore screen pack is rotatably connected on cartridge filter, adds small-bore mistake
The structural integrity of filter screen and cartridge filter, small-bore screen pack is realized and installed together when being installed to cartridge filter；And aperture
Circumferencial direction of the footpath screen pack along rotating shaft can be rotated, when hydraulic oil impact is on the screen pack of small-bore, small-bore mistake
Filter screen can reduce the damage that hydraulic oil is caused to oil pump when being rotated.
The utility model is further arranged to：The cartridge filter is towards rotating in the outer end wall of large aperture screen pack provided with the
Two rotating shafts, the large aperture filtration net cover is located in the second rotating shaft.
By using above-mentioned technical proposal, large aperture screen pack is rotatably connected on cartridge filter, adds large aperture mistake
The structural integrity of filter screen and cartridge filter, large aperture screen pack is realized and installed together when being installed to cartridge filter；Large aperture mistake
Circumferencial direction of the filter screen along rotating shaft can be rotated, when hydraulic oil impact is on the screen pack of large aperture, large aperture screen pack
The damage that hydraulic oil is caused to oil pump can be reduced when being rotated.
The utility model is further arranged to：Pore diameter range on the large aperture screen pack is 2 ~ 3mm.
By using above-mentioned technical proposal, limit the aperture on the screen pack of large aperture prevented between 2 ~ 3mm, effectively compared with
The impurity of big particle diameter is flowed in cartridge filter, plays required filtration.
The utility model is further arranged to：Pore diameter range on the small-bore screen pack is 0.5 ~ 1.5mm.
By using above-mentioned technical proposal, the aperture on the screen pack of small-bore is limited between 0.5 ~ 1.5mm, is effectively prevented
Impurity compared with small particle is flowed in cartridge filter, is used cooperatively with large aperture screen pack, is further functioned as effective filtration.
In summary, the utility model has the advantages that：
1st, cartridge filter is set on the inwall of oil inlet in the pump housing, the two ends of cartridge filter along its length are rotatably connected to
Large aperture screen pack and small-bore screen pack, effectively increase the filtration to flowing into the hydraulic oil in the pump housing, make purity compared with
High hydraulic oil is flowed in the pump housing, reduces the ponding to oil pipe；
2nd, by sleeve be set to as the first half with the second half be engaged by clamping formed by, the mode of clamping engagement is improved
Sleeve installs the convenience and agility with unloading process with the pump housing；
3rd, large aperture screen pack and small-bore screen pack are rotatably connected on cartridge filter, and it is that can be achieved to install cartridge filter
Installation to large aperture screen pack and small-bore screen pack.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is cartridge filter, large aperture screen pack, the exploded perspective view of small-bore screen pack in embodiment；
Fig. 3 is the cutting schematic diagram of one of filter bores on cartridge filter in embodiment.
In figure：1st, the pump housing；11st, oil inlet；12nd, oil-out；13rd, annular groove；14th, export；2nd, large aperture screen pack；3rd, mistake
Filter cylinder；31st, filter bores；32nd, through hole；321st, inclined plane；33rd, the first half；331st, neck；34th, the second half；341st, elastic card
Block；35th, annular fixture block；36th, first rotating shaft；37th, the second rotating shaft；4th, small-bore screen pack.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：
A kind of oil pump with filter, as shown in figure 1, have including the pump housing 1, on the pump housing 1 oil inlet 11 with it is fuel-displaced
Mouth 12, hydraulic oil is flowed at oil inlet 11 in the pump housing 1, and is flowed into via oil-out 12 in oil pipe.
As shown in Fig. 2 being engaged by clamping in the pump housing 1 on the inwall of oil inlet 11 has cartridge filter 3, be shaped as it is cylindric,
Annular groove 13 is offered on the inwall of the pump housing 1, the external annulus of cartridge filter 3, which protrude above to have, can put in the annular in annular groove 13
Fixture block 35, slides when cartridge filter 3 is put in the pump housing 1, and to the inwall depths of the pump housing 1, can after sliding onto in annular groove 13
Rapidly it is connected in annular groove 13, so as to realize the installation of cartridge filter 3 and the pump housing 1.
As shown in Figures 2 and 3, several filter bores 31 are offered on along its length in cartridge filter 3, filter bores 31 exist
The aperture of porch is offered more than filter bores 31 in the aperture in exit, and in cartridge filter 3 on the external annulus at middle part
Along the through hole 32 of the radial direction of cartridge filter 3, it is interconnected between filter bores 31, hydraulic oil is flowed into after filter bores 31, wherein liquid
Larger impurity is difficult to the Way out outflow from filter bores 31 in force feed, then can be flow to by through hole 32 outside cartridge filter 3；Through hole
There is the convenient inclined plane 321 flowed out to outside cartridge filter 3 on 32 bottom wall, meanwhile, it is provided with and is connected with through hole 32 on the pump housing 1
Outlet 14, for be difficult to from filter bores 31 flow out hydraulic oil from outlet 14 at discharge, along the guiding of inclined plane 321, help
Rapidly flowed towards in hydraulic oil outside the pump housing 1.
As shown in Figures 2 and 3, there is first rotating shaft 36, first rotating shaft 36 on the end wall of oil inlet 11 in cartridge filter 3
On be arranged with large aperture screen pack 2, shape of cross section is that the aperture on circle, large aperture screen pack 2 is 2mm, in hydraulic oil
Larger impurity be blocked in outside the pump housing 1, prevent from resulting in blockage to oil pipe；When hydraulic oil impact is on large aperture screen pack 2,
Large aperture screen pack 2 can occur circumference along first rotating shaft 36 in the presence of first rotating shaft 36 and wave, to reduce to large aperture
The impulsive force of screen pack 2；Have on end wall of the cartridge filter 3 away from oil inlet 11 in second rotating shaft 37, the second rotating shaft 37 and be arranged
There is small-bore screen pack 4, shape of cross section is that the aperture on circle, small-bore screen pack 4 is 1mm, when the outflow out of cartridge filter 3
Hydraulic oil impact in small-bore screen pack 4, small-bore screen pack 4 can be along the second rotating shaft in the presence of the second rotating shaft 37
37 generation circumference are waved, to reduce the impulsive force to small-bore screen pack 4；And it can be installed simultaneously when installing cartridge filter 3
Large aperture screen pack 2 and small-bore screen pack 4, are favorably improved the agility of installation.
As shown in figure 3, cartridge filter 3 includes two can be engaged by clamping the first half 33 and the second half 34, the first half
Cylinder 33 is provided towards equidistantly offering square neck 331 on the end wall of the second half 34, the end walls of the second half 34 are convex
There is the elastic clamping block 341 being engaged by clamping with neck 331, when needing to clear up the inside of cartridge filter 3, pass through clamping engagement
Mode, the first half 33 and the second half 34 can rapidly realize installation and dismounting.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (9)
1. a kind of oil pump with filter, including the pump housing (1), the pump housing (1) are provided with oil inlet (11) and oil-out
(12), the pump housing (1) is provided with large aperture screen pack (2) in the inwall top plug close to oil inlet (11), it is characterised in that：It is described
The pump housing (1) is provided with cartridge filter (3) in close proximity to the inwall top plug of large aperture screen pack (2), and the cartridge filter (3) is provided with along its length
The filter bores (31) in direction are spent, the porch aperture of the filter bores (31) is more than outlet (14) place aperture of filter bores (31),
Inwall top plug of the pump housing (1) in the flow direction along hydraulic oil close to outlet (14) direction of cartridge filter (3) is provided with small
Bore filter net (4).
2. the oil pump according to claim 1 with filter, it is characterised in that：The cartridge filter (3) includes two
The first half (33) that can be engaged by clamping and the second half (34), the end of described the first half (33) towards the second half (34)
Wall is provided with neck (331), and the end wall of the second half (34) is provided with the elastic card for being used for being engaged by clamping with neck (331)
Block (341).
3. the oil pump according to claim 2 with filter, it is characterised in that：The cartridge filter (3) is in
The external annulus in portion are provided with the hydraulic oil circulation that will be difficult to from outlet (14) direction outflow of filter bores (31) and flow back to cartridge filter (3)
Outer through hole (32), the aperture of the through hole (32) is suitable in the aperture of porch with filter bores (31).
4. the oil pump according to claim 3 with filter, it is characterised in that：Set on the bottom wall of the through hole (32)
There is the convenient inclined plane (321) flowed out outside to cartridge filter (3).
5. the oil pump according to claim 1 with filter, it is characterised in that：Opened on the inwall of the pump housing (1)
Provided with annular groove (13), the external annulus of the cartridge filter (3), which are provided with, can be connected to the annular fixture block in annular groove (13)
(35)。
6. the oil pump according to claim 1 with filter, it is characterised in that：The cartridge filter (3) is towards aperture
Rotated in the outer end wall of footpath screen pack (4) and be provided with first rotating shaft (36), the small-bore screen pack (4) is set in first rotating shaft
(36) on.
7. the oil pump according to claim 6 with filter, it is characterised in that：The cartridge filter (3) is towards macropore
Rotated in the outer end wall of footpath screen pack (2) and be provided with the second rotating shaft (37), the large aperture screen pack (2) is set in the second rotating shaft
(37) on.
8. the oil pump according to claim 1 with filter, it is characterised in that：On the large aperture screen pack (2)
Pore diameter range be 2 ~ 3mm.
9. the oil pump according to claim 8 with filter, it is characterised in that：On the small-bore screen pack (4)
Pore diameter range be 0.5 ~ 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211650.XU CN206555123U (en) | 2017-03-06 | 2017-03-06 | Oil pump with filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211650.XU CN206555123U (en) | 2017-03-06 | 2017-03-06 | Oil pump with filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555123U true CN206555123U (en) | 2017-10-13 |
Family
ID=60363670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720211650.XU Expired - Fee Related CN206555123U (en) | 2017-03-06 | 2017-03-06 | Oil pump with filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980035A (en) * | 2018-08-20 | 2018-12-11 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of net-filter assembly, oil pump component and compressor |
| CN113944677A (en) * | 2021-10-19 | 2022-01-18 | 苏州利萨斯密封技术有限公司 | Hydraulic oil filter equipment |
-
2017
- 2017-03-06 CN CN201720211650.XU patent/CN206555123U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980035A (en) * | 2018-08-20 | 2018-12-11 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of net-filter assembly, oil pump component and compressor |
| CN108980035B (en) * | 2018-08-20 | 2024-05-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Filter screen assembly, oil pump assembly and compressor |
| CN113944677A (en) * | 2021-10-19 | 2022-01-18 | 苏州利萨斯密封技术有限公司 | Hydraulic oil filter equipment |
| CN113944677B (en) * | 2021-10-19 | 2024-04-23 | 苏州利萨斯密封技术有限公司 | Hydraulic oil filter equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20200306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |