CN108105209A - More sealing super high pressure oil pipe filters - Google Patents
More sealing super high pressure oil pipe filters Download PDFInfo
- Publication number
- CN108105209A CN108105209A CN201611052389.XA CN201611052389A CN108105209A CN 108105209 A CN108105209 A CN 108105209A CN 201611052389 A CN201611052389 A CN 201611052389A CN 108105209 A CN108105209 A CN 108105209A
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- CN
- China
- Prior art keywords
- filter
- oil
- seat
- filter seat
- high pressure
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses one kind to seal super high pressure oil pipe filter more, including cartridge filter, filter seat and filter core, filter seat is equipped with oil inlet and oil outlet, the cartridge filter and filter seat are connected through a screw thread fixation, cartridge filter lower part has step, closed annular space is formed between the step and the madial wall and bottom wall of filter seat, the slip-ring seal combination in hole is installed in the annular space, oil inlet is connected with the oil pocket, edge is equipped with filter core between the cartridge filter inner wall and the oil pocket outer wall, oil outlet is connected with the filter core, the protrusion upwardly extended being adapted with the oil pocket is equipped in filter seat, the protrusion is stretched into inside the oil pocket, filter core is equipped with O-ring seals with the protrusion and filter seat inner bottom wall contact site.Using more than structure, using step cooperation and combination sealing mode, the sealing effect between cartridge filter and filter seat is improved, effective guarantee high pressure oil will not there is a situation where oil leak pressure releases in filter.
Description
Technical field
The invention belongs to hydraulic circuit filtration system technical fields, and in particular to a kind of more sealing ultrahigh pressure oilway filterings
Device.
Background technology
Hydraulic oil moves in circles utilization in pipeline, by various hydraulic machineries, often brings some impurity into, so as to meeting
It influences hydraulic pressure or even bring impurity in the machinery of control into, influence equipment performance, so often being added in oil circuit
Filter, and for ultrahigh pressure oilway, because there are pressure is higher in oil circuit, if the sealing performance of filter in itself is not
It is good, although the pressure of hydraulic oil by cleanliness of hydraulic oil, can be destroyed by filtering, while weaken the control of hydraulic circuit
Effect equally influences whether normal operating.Currently used high-pressure oil passage filter is typically employed between filter cylinder and filtering base
Using single sealing means, sealing performance is not good, the situation of leakage pressure often occurs.
The content of the invention
For solution more than technical problem, make the structure of filter simple and favorable sealing property, the present invention provides one kind
More sealing super high pressure oil pipe filters.
To achieve the above object, technical scheme is as follows：
A kind of more sealing super high pressure oil pipe filters, are characterized by including cartridge filter, filter seat and filter core, main points
It is：The filter seat is concave, and upward, the filter seat is equipped with oil inlet and oil outlet, the filtering to recess
Cylinder is fastened in the recess of the filter seat, and is connected through a screw thread fixation, and the cartridge filter connects in itself and filter seat screw thread
The lower part for connecing section has step, and the step is containing, is formed between the step and the madial wall and bottom wall of filter seat closed
Annular space, is equipped with the slip-ring seal combination in hole in the annular space, and slip-ring seal combination includes U-shaped sealing
Circle and matched square seal ring, the square seal ring are embedded in U-shaped sealing ring, intermediate in the cartridge filter to be equipped with
Oil pocket, the oil inlet are connected with the oil pocket, and edge is equipped with filter core between the cartridge filter inner wall and the oil pocket outer wall, described
Oil outlet is connected with the filter core, and the protrusion upwardly extended being adapted with the oil pocket, the protrusion are equipped in the filter seat
It stretches into inside the oil pocket, the filter core is equipped with O-ring seals with the protrusion and filter seat inner bottom wall contact site.
Using more than structure, step is set in cartridge filter bottom, step in the closed annular space of filter seat with taking cunning
Ring seal combines, by the combination of both U sealing rings and square seal ring, both make respectively with the inner wall of filter seat and filtering
Drum outer wall patch it is tighter, increase sealable area, so as to better seal contact surface between the two, while filter core with it is described
Protrusion and filter seat inner bottom wall contact site are equipped with O-ring seals, will be sufficiently sealed between filter core and protrusion.
As preferred：The cartridge filter has containing second step on the top of itself and filter seat threaded connection section,
External screw thread is equipped on the second step, and is set with fastening screw nut.Using more than structure, pass through second step and filter
Engaging can further increase sealing effect, while be arranged fastening screw nut on top, cartridge filter can be made to be connected with filter seat tighter,
Prevent loosening from causing to be not tight seal.
As preferred：The protrusion is equipped with oil duct, and oil duct one end oil pocket connection, the other end connects with the oil inlet
It is logical.Using more than structure, high pressure oil enters through oil inlet, enters oil pocket along oil duct, because the upper end of protrusion is higher than the bottom of filter core
Portion is then equivalent to and improves oil inlet, it is ensured that the high hydraulic oil of entrance can again flow out after the filtering of one end filter core.
As preferred：It is connected between the cartridge filter and filter seat using fine thread.Using more than structure, can improve
The sealability of threaded connection place between cartridge filter and filter seat, prevents oil leak pressure release.
Compared with prior art, the beneficial effects of the invention are as follows：
More sealing super high pressure oil pipe filter provided by the invention, change conventional filter cartridge filter and filter seat it
Between the usual mode that directly fits of surface, by the way that filter cylinder bottom is arranged to step, make step surface and the inner wall with filter seat
Contact, while installed in the closed cell formed in step with filter inner wall by U-shaped sealing ring and matched square close
The slip-ring seal combination of seal composition, adds the area of sealing and the adaptive faculty of seal combination, preferably close so as to play
Envelope acts on, while filter core is equipped with O-ring seals with the protrusion and filter seat inner bottom wall contact site, also can be further right
Device plays sealing function, simple in structure, improves the sealing performance of filter, ensures that oil circuit pressure is normal.
Description of the drawings
Fig. 1 is the sectional view of one embodiment of the invention；
Fig. 2 is partial enlarged view at A in Fig. 1.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
More sealing super high pressure oil pipe filters with reference to shown in Fig. 1 and 2, including cartridge filter 1, filter seat 2 and filter core 3,
The filter seat 2 is concave, and upward, the filter seat 2 is equipped with oil inlet 20 and oil outlet 21, the filtering to recess
Cylinder 1 is fastened in the recess of the filter seat 2, and is connected through a screw thread fixation, and the cartridge filter 1 is in itself and 2 spiral shell of filter seat
The lower part of line linkage section has step 11, and the step 11 is containing, between the step 11 and the madial wall and bottom wall of filter seat 2
Closed annular space is formed, the slip-ring seal combination 5 in hole, slip-ring seal combination are installed in the annular space
5 include U-shaped sealing ring 51 and matched square seal ring 50, and the square seal ring 50 is embedded in U-shaped sealing ring 51,
Oil pocket 12 is equipped among in the cartridge filter 1, the oil inlet 20 is connected with the oil pocket 12, in 1 inner wall of cartridge filter and institute
Edge is equipped with filter core 3 between stating 12 outer wall of oil pocket, and the oil outlet 21 is connected with the filter core 3, is equipped with and institute in the filter seat 2
State the adaptable protrusion 23 upwardly extended of oil pocket 12, which stretches into inside the oil pocket 12, the filter core 3 with it is described convex
Rise 23 and 2 inner bottom wall contact site of filter seat O-ring seals 6 are installed.
Described raised 23 are equipped with oil duct 231, which connects, the other end and the oil inlet 20
Connection.
The cartridge filter 1 has containing second step 13 on the top of itself and 2 threaded connection section of filter seat, this
Two steps 13 are equipped with external screw thread, and are set with fastening screw nut 4, and fine thread is used between the cartridge filter 1 and filter seat 2
Connection.
The course of work of the present invention is as follows：
The cartridge filter 1 that internal sleeve is equipped with to filter core 3 is fastened in filter seat 2, and the two is connected by fine thread, mistake
The protrusion 23 that middle part is set in filter seat 2 is stretched into the oil pocket 12 in cartridge filter 1, and high pressure oil enters from oil inlet 20, from oil duct 231
Into in oil pocket 12, the oil in oil pocket 12 is diffused into toward surrounding in filter core 3, is exited into again from oil outlet 21 after filtering
Circuit.Because using combined labyrinth and carbon gland mode, sealing performance is added, it can effective guarantee circuit oil pressure.
Finally it should be noted that foregoing description is merely a preferred embodiment of the present invention, those of ordinary skill in the art
Under the enlightenment of the present invention, on the premise of without prejudice to present inventive concept and claim, expression as multiple types can be made, this
The conversion of sample is each fallen within protection scope of the present invention.
Claims (4)
1. a kind of more sealing super high pressure oil pipe filters, including cartridge filter (1), filter seat (2) and filter core (3), feature exists
In：The filter seat (2) is concave, and upward, the filter seat (2) is equipped with oil inlet (20) and oil outlet to recess
(21), the cartridge filter (1) is fastened in the recess of the filter seat (2), and is connected through a screw thread fixation, the cartridge filter
(1) there is step (11) in the lower part of itself and filter seat (2) threaded connection section, the step (11) is containing, the step (11)
Closed annular space is formed between the madial wall and bottom wall of filter seat (2), hole is installed in the annular space
Slip-ring seal combines (5), and slip-ring seal combination (5) includes U-shaped sealing ring (51) and matched quad seal
It encloses (50), it is intermediate in the cartridge filter (1) to be equipped with oil pocket (12) in the embedded U-shaped sealing ring (51) of the square seal ring (50),
The oil inlet (20) connects with the oil pocket (12), inlays and sets between the cartridge filter (1) inner wall and the oil pocket (12) outer wall
There is filter core (3), the oil outlet (21) connects with the filter core (3), is equipped with and the oil pocket (12) phase in the filter seat (2)
The protrusion (23) upwardly extended adapted to, the protrusion (23) stretch into the oil pocket (12) inside, the filter core (3) and the protrusion
(23) and filter seat (2) inner bottom wall contact site is equipped with O-ring seals (6).
2. more sealing super high pressure oil pipe filters according to claim 1, it is characterised in that：The cartridge filter (1) is at it
There is containing second step (13) with the top of filter seat (2) threaded connection section, be equipped on the second step (13) outer
Screw thread, and it is set with fastening screw nut (4).
3. more sealing super high pressure oil pipe filters according to claim 1, it is characterised in that：The protrusion (23) is equipped with
Oil duct (231), oil duct (231) one end oil pocket (12) connection, the other end are connected with the oil inlet (20).
4. more sealing super high pressure oil pipe filters according to claim 1, it is characterised in that：The cartridge filter (1) and mistake
It is connected between filter seat (2) using fine thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052389.XA CN108105209A (en) | 2016-11-25 | 2016-11-25 | More sealing super high pressure oil pipe filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052389.XA CN108105209A (en) | 2016-11-25 | 2016-11-25 | More sealing super high pressure oil pipe filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108105209A true CN108105209A (en) | 2018-06-01 |
Family
ID=62205102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611052389.XA Pending CN108105209A (en) | 2016-11-25 | 2016-11-25 | More sealing super high pressure oil pipe filters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108105209A (en) |
-
2016
- 2016-11-25 CN CN201611052389.XA patent/CN108105209A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180601 |
|
| WD01 | Invention patent application deemed withdrawn after publication |