CN105757282B - A kind of double-drum filter valve body - Google Patents
A kind of double-drum filter valve body Download PDFInfo
- Publication number
- CN105757282B CN105757282B CN201610287869.8A CN201610287869A CN105757282B CN 105757282 B CN105757282 B CN 105757282B CN 201610287869 A CN201610287869 A CN 201610287869A CN 105757282 B CN105757282 B CN 105757282B
- Authority
- CN
- China
- Prior art keywords
- central shaft
- piston
- housing
- piston unit
- eccentric wheel
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/052—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with pivoted closure members, e.g. butterfly valves
- F16K11/0525—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with pivoted closure members, e.g. butterfly valves the closure members being pivoted around an essentially central axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/16—Valves
Abstract
The present invention relates to a kind of valve body, the specifically valve body between two in double-drum filter cartridge filter.It includes housing, and upper inlet is arranged at the top of one group of opposing sidewalls of housing, and lower outlet is arranged at the bottom of this group of side wall of housing.The bottom of housing sidewall has import, top to have outlet.There is dividing plate in the middle part of housing cavity.Have in housing in the central shaft being vertically arranged.It is characterized in there is upper coupled piston between two upper inlets, coupled piston includes the upper piston unit respectively in two upper inlets, two upper piston unit Jian Youshang bindiny mechanisms on this.There is lower coupled piston between being exported under two, lower coupled piston includes the lower piston unit being located at respectively in being exported under two, two lower piston unit Jian Youxia bindiny mechanisms.There is upper eccentric wheel on that section of central shaft between two upper piston units.There is lower eccentric wheel on that section of central shaft between two lower piston units.The problem of valve body is less prone to leakage, service life is longer.
Description
Technical field
The present invention relates to a kind of valve body, the specifically valve body between two in double-drum filter cartridge filter.
Background technology
Double-drum filter is also referred to as bitubular return line filter, is by two cartridge filters and between two cartridge filters
Valve body forms.
At present, the double-drum filter valve body used in hydraulic system includes the housing of inner chamber, and one group of the housing is relative
Upper inlet is arranged at the top of side wall, and the opening position that the bottom of this group of side wall of housing corresponds to upper inlet has lower outlet.The housing
The bottom of side wall has import, top to have outlet.Have in the middle part of the housing cavity in horizontally disposed dividing plate, the surrounding of dividing plate with
Coordinate between case inside wall in sealing shape, the upper inlet and export into above dividing plate, the lower equal position of export and import
In the lower section of dividing plate.Have in the housing and extended in the central shaft being vertically arranged, the upper end of central shaft through case top,
The lower end of central shaft is extend into below dividing plate through dividing plate, and central shaft coordinates with case top, partition room in rotary seal shape.
That section of central shaft between two upper inlets is connected with upper piston by spring, that section of central shaft between being exported under two
Lower piston is connected with by spring.In use, first by the upper inlet of central shaft side and lower one exported with double-drum filter
Cartridge filter is connected, the upper inlet of central shaft opposite side and lower outlet is connected with another cartridge filter of double-drum filter.Pass through
Rotary middle spindle so that upper piston and lower piston screw in the upper inlet and lower outlet of central shaft side respectively, you can make
Body cavity that cartridge filter corresponding with central shaft opposite side is obtained to be connected.Valve body when in use, in order to ensure sealing, is used
It is general softer in the material of manufacture piston.Piston is rotated with central shaft in use, and it is rotated into every time
During upper inlet or lower outlet, all serious friction can occur with upper inlet or the opening of lower outlet.By multiple rotary
Afterwards, the sealing surface wear of piston is larger, leakage phenomenon easily occurs, and the service life of piston is shorter.
The content of the invention
The problem of the problem to be solved in the present invention provides a kind of double-drum filter valve body, and the valve body is less prone to leakage,
Service life is longer.
To solve the above problems, provide following technical scheme：
The double-drum filter valve body of the present invention includes the housing of inner chamber, and the top of one group of opposing sidewalls of housing has
Lower outlet is arranged at upper inlet, the bottom of this group of side wall of housing.The bottom of the housing sidewall has import, top to have outlet.It is described
Have in the middle part of housing cavity in horizontally disposed dividing plate, coordinate between the surrounding and case inside wall of dividing plate in sealing shape, it is described on
Inlet and outlet is respectively positioned on above dividing plate, and the lower export and import is respectively positioned on the lower section of dividing plate.Have in the housing in vertical
The central shaft of arrangement, the upper end of central shaft extend through case top, and the lower end of central shaft extend into dividing plate through dividing plate
Lower section, central shaft coordinate with case top, partition room in rotary seal shape.It is characterized in thering is the first line of a couplet between described two upper inlets
Piston, coupled piston includes the upper piston unit respectively in two upper inlets on this, between upper piston unit and upper inlet
Coordinate in slip shape, two upper piston unit Jian Youshang bindiny mechanisms.There is lower coupled piston between described two lower outlets, under this
Coupled piston includes the lower piston unit being located at respectively in being exported under two, matches somebody with somebody between lower piston unit and lower outlet in slip shape
Close, two lower piston unit Jian Youxia bindiny mechanisms.There is upper eccentric wheel on that section of central shaft between described two upper piston units,
And the opposite face of two upper piston units to central shaft distance be respectively less than equal to upper eccentric wheel outer edge to central shaft most
Big distance, more than the minimum range of upper eccentric wheel outer edge to central shaft.That section of central shaft between described two lower piston units
On have a lower eccentric wheel, and the distance of the opposite face of two lower piston units to central shaft is respectively less than the outer edge equal to lower eccentric wheel
Ultimate range to central shaft, the minimum range more than lower eccentric wheel outer edge to central shaft.The upper eccentric wheel and lower bias
The projection taken turns in horizontal plane overlaps.
Wherein, the upper bindiny mechanism is included along the upper connecting pole between two upper piston units circumferentially, upper connecting pole
Both ends be respectively bolted on corresponding on upper piston unit.The lower bindiny mechanism is included along two lower piston lists
Lower connecting pole between member circumferentially, the both ends of lower connecting pole are respectively bolted on corresponding lower piston unit.
The upper piston unit and lower piston unit have center screw, and screw, spiral shell are threaded with center screw
The both ends of nail are respectively stretched out from the both ends of center screw, and that one end of screw away from central shaft is screw cap end, and the end is all provided with
It is equipped with end cap.Screw in the center screw of the upper piston unit is located in the same horizontal plane with the upper eccentric wheel, described
Screw in the center screw of lower piston unit is located in the same horizontal plane with the lower eccentric wheel.
The upper piston unit and lower piston unit slowly diminish Zi that one end close to central shaft to other end diameter.
The upper piston unit and lower piston unit have a baffle plate on that one end of central shaft, and the diameter of baffle plate is big
Internal diameter in its corresponding upper inlet and lower outlet.
It is to have handle on the overhanging end of the central shaft to further improvement of the present invention scheme.So improve the advantages of be
It is convenient that central shaft is rotated.
Above scheme is taken, there is advantages below：
Due to having upper coupled piston between two upper inlets of the double-drum filter valve body of the present invention, coupled piston bag on this
The upper piston unit respectively in two upper inlets is included, is coordinated between upper piston unit and upper inlet in slip shape, on two
Piston unit Jian Youshang bindiny mechanisms, there is lower coupled piston between exporting under two, the lower coupled piston includes being located at two respectively
Lower piston unit in lower outlet, in shape cooperation is slided between lower piston unit and lower outlet, there is lower company between two lower piston units
Connection mechanism, there is upper eccentric wheel on that section of central shaft between two upper piston units, that section of central shaft between two lower piston units
On have a lower eccentric wheel, the projection of upper eccentric wheel and lower eccentric wheel in horizontal plane overlaps.In use, first by central shaft side
Upper inlet and it is lower outlet be connected with a cartridge filter of double-drum filter, by the upper inlet of central shaft opposite side and it is lower outlet and pair
Another cartridge filter of cylinder filter is connected.Pass through rotary middle spindle so that upper eccentric wheel and lower eccentric wheel promote center respectively
The upper piston unit of axle side, lower piston unit to the Slideslip away from central shaft, pull the upper piston of central shaft opposite side
Unit and lower piston unit are to the Slideslip close to central shaft, to the upper piston unit away from the Slideslip of central shaft one and lower work
Plug unit will block upper inlet and lower outlet corresponding to them, to the upper piston unit and lower piston close to the Slideslip of central shaft one
Unit will leave upper inlets corresponding to them and lower outlet, you can so that body cavity with to the upper of the close Slideslip of central shaft one
Piston unit is connected with that cartridge filter corresponding to lower piston unit.For this valve body in action, piston unit is with thereon
Piston unit sliding axially along corresponding upper inlet and lower outlet, its sliding process worn to caused by piston unit compared with
It is small so that valve body is less prone to the problem of leakage, can extend the service life of piston unit.
Brief description of the drawings
Fig. 1 is the structural representation of the double-drum filter valve body of the present invention；
Fig. 2 is Fig. 1 A-A to schematic diagram；
Fig. 3 is state signal of the upper coupled piston in use state once in the double-drum filter valve body of the present invention
Figure；
Fig. 4 is state signal of the lower coupled piston in use state once in the double-drum filter valve body of the present invention
Figure；
Fig. 5 is state signal of the upper coupled piston under use state two in the double-drum filter valve body of the present invention
Figure；
Fig. 6 is state signal of the lower coupled piston under use state two in the double-drum filter valve body of the present invention
Figure；
Fig. 7 is the signal after the double-drum filter valve body of the present invention is connected with two cartridge filters in double-drum filter
Figure.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 7, double-drum filter valve body of the invention includes the housing 2 of inner chamber, the housing 2
There is steel plate to be made.The top of 2 one groups of opposing sidewalls of housing is provided with upper inlet 4, and the bottom of this group of side wall of housing 2 is all provided with
It is equipped with lower outlet 1.The bottom of the side wall of housing 2 is provided with import 18, top is provided with outlet 17.The inner chamber of housing 2
Middle part is provided with horizontally disposed dividing plate 3, is coordinated between the surrounding and the madial wall of housing 2 of dividing plate 3 in sealing shape, the upper inlet
4 are respectively positioned on the top of dividing plate 3 with outlet 17, and the lower outlet 1 and import 18 are respectively positioned on the lower section of dividing plate 3.Set in the housing 2
Have and extended in the central shaft 5 being vertically arranged, the upper end of central shaft 5 through the top of housing 2, and on the overhanging end of central shaft 5
Handle 6 is provided with, the lower end of central shaft 5 extend into the lower section of dividing plate 3 through dividing plate 3, between central shaft 5 and the top of housing 2, dividing plate 3
Coordinate in rotary seal shape.There is upper coupled piston between described two upper inlets 4, coupled piston includes being located at two respectively on this
Upper piston unit 8 in upper inlet 4, coordinate between upper piston unit 8 and upper inlet 4 in slip shape, between two upper piston units 8
You Shang bindiny mechanisms.There is lower coupled piston between described two lower outlets 1, the lower coupled piston, which includes respectively being located under two, to be exported
Lower piston unit 14 in 1, coordinate between lower piston unit 14 and lower outlet 1 in slip shape, under having between two lower piston units 14
Bindiny mechanism.The upper piston unit 8 and lower piston unit 14 Zi close to central shaft 5 that one end to other end diameter slowly
Diminish.The upper piston unit 8 and lower piston unit 14 have a baffle plate 13 on that one end of central shaft 5, baffle plate 13 it is straight
Footpath is all higher than its corresponding upper inlet 4 and the internal diameter of lower outlet 1.The upper bindiny mechanism is included along between two upper piston units 8
Upper connecting pole 7 circumferentially, the both ends of upper connecting pole 7 are respectively bolted on corresponding upper piston unit 8.Institute
Shu Xia bindiny mechanisms include dividing equally along the lower connecting pole 16 between two lower piston units 14 circumferentially, the both ends of lower connecting pole 16
Corresponding to not being bolted on lower piston unit 14.On having on that section of central shaft 5 between described two upper piston units 8
Eccentric wheel 12, and the distance of the opposite face of two upper piston units 8 to central shaft 5 is respectively less than the outer edge equal to upper eccentric wheel 12
Ultimate range to central shaft 5, the minimum range more than the upper outer edge of eccentric wheel 12 to central shaft 5.Described two lower piston lists
There is lower eccentric wheel 15 on that section of central shaft 5 between member 14, and the distance of the opposite face of two lower piston units 14 to central shaft 5 is equal
Less than or equal to lower eccentric wheel 15 outer edge to the ultimate range of central shaft 5, more than the lower outer edge of eccentric wheel 15 to central shaft 5
Minimum range.The projection of the upper eccentric wheel 12 and lower eccentric wheel 15 in horizontal plane overlaps.The upper piston unit 8 is with
Piston unit 14 has center screw 11, is threaded with screw 10 in center screw 11, the both ends of screw 10 respectively from
The both ends of center screw 11 are stretched out, and that one end of screw 10 away from central shaft 5 is screw cap end, and the end is provided with end cap 9.Institute
The screw 10 stated in the center screw 11 of upper piston unit 8 is located in the same horizontal plane with the upper eccentric wheel 12, the lower work
The screw 10 filled in the center screw 11 of unit 14 is located in the same horizontal plane with the lower eccentric wheel 15.
In use, as shown in figure 5, first by the upper inlet 4 of the side of central shaft 5 and lower export 1 and double-drum filter one
Cartridge filter 19 be connected, by the upper inlet 4 of the opposite side of central shaft 5 and it is lower outlet 1 and double-drum filter another phase of cartridge filter 19
Even.
State one rotary middle spindle 5, makes, it is necessary to when body cavity is connected with that cartridge filter 19 in left side in Fig. 7
Eccentric wheel 12 and lower eccentric wheel 15 must be gone up and promote the upper piston unit 8 on the right side of central shaft 5, lower piston unit 14 respectively to away from
One Slideslip of mandrel 5, the upper piston unit 8 for pulling the left side of central shaft 5 and lower piston unit 14 are to close to the side of central shaft 5
Slide so that the upper piston unit 8 on the right side of central shaft 5 and lower piston unit 14 block its corresponding upper inlet 4 and lower outlet 1,
The upper piston unit 8 in the left side of central shaft 5 leaves its corresponding upper inlet 4 and lower outlet 1 with lower piston unit 14 so that in valve body
Chamber is connected with that cartridge filter 19 in left side, as shown in Figure 3 and Figure 4.
State two rotary middle spindle 5, makes, it is necessary to when body cavity is connected with that cartridge filter 19 on right side in Fig. 7
Eccentric wheel 12 and lower eccentric wheel 15 must be gone up and promote the upper piston unit 8 in the left side of central shaft 5, lower piston unit 14 respectively to away from
One Slideslip of mandrel 5, the upper piston unit 8 for pulling the right side of central shaft 5 and lower piston unit 14 are to close to the side of central shaft 5
Slide so that the upper piston unit 8 in the left side of central shaft 5 and lower piston unit 14 block its corresponding upper inlet 4 and lower outlet 1,
The upper piston unit 8 on the right side of central shaft 5 leaves its corresponding upper inlet 4 and lower outlet 1 with lower piston unit 14 so that in valve body
Chamber is connected with that cartridge filter 19 on right side, as shown in Figure 5 and Figure 6.
Claims (6)
1. a kind of double-drum filter valve body, include the housing of inner chamber（2）, the housing（2）The top of one group of opposing sidewalls is equal
There is upper inlet（4）, housing（2）Lower outlet is arranged at the bottom of this group of side wall（1）；The housing（2）Import is arranged at the bottom of side wall
（18）, top have outlet（17）；The housing（2）Have in the middle part of inner chamber in horizontally disposed dividing plate（3）, dividing plate（3）Surrounding
With housing（2）Coordinate between madial wall in sealing shape, the upper inlet（4）And outlet（17）It is respectively positioned on dividing plate（3）Top, under described
Outlet（1）And import（18）It is respectively positioned on dividing plate（3）Lower section；The housing（2）Inside have in the central shaft being vertically arranged（5）, in
Mandrel（5）Upper end pass through housing（2）Top extends, central shaft（5）Lower end pass through dividing plate（3）It extend into dividing plate（3）
Lower section, central shaft（5）With housing（2）Top, dividing plate（3）Between in rotary seal shape coordinate；It is characterized in that on described two
Import（4）Between have upper coupled piston, on this coupled piston include be located at two upper inlets respectively（4）In upper piston unit（8）,
Upper piston unit（8）With upper inlet（4）Between in slide shape coordinate, two upper piston units（8）Jian Youshang bindiny mechanisms；It is described
Exported under two（1）Between have lower coupled piston, the lower coupled piston include respectively be located at two under exports（1）In lower piston list
Member（14）, lower piston unit（14）With lower outlet（1）Between in slide shape coordinate, two lower piston units（14）Between have lower connection machine
Structure；Described two upper piston units（8）Between that section of central shaft（5）On have upper eccentric wheel（12）, and two upper piston units（8）
Opposite face to central shaft（5）Distance be respectively less than be equal to upper eccentric wheel（12）Outer edge to central shaft（5）Ultimate range,
More than upper eccentric wheel（12）Outer edge is to central shaft（5）Minimum range；Described two lower piston units（14）Between that section in
Mandrel（5）On have lower eccentric wheel（15）, and two lower piston units（14）Opposite face to central shaft（5）Distance be respectively less than etc.
In lower eccentric wheel（15）Outer edge to central shaft（5）Ultimate range, more than lower eccentric wheel（15）Outer edge is to central shaft（5）
Minimum range；The upper eccentric wheel（12）With lower eccentric wheel（15）Projection in horizontal plane overlaps.
2. double-drum filter valve body as claimed in claim 1, it is characterised in that the upper bindiny mechanism is included along two
Piston unit（8）Between upper connecting pole circumferentially（7）, upper connecting pole（7）Both ends be respectively bolted on correspondingly
Upper piston unit（8）On；The lower bindiny mechanism is included along two lower piston units（14）Between lower connecting pole circumferentially
（16）, lower connecting pole（16）Both ends be respectively bolted on corresponding to lower piston unit（14）On.
3. double-drum filter valve body as claimed in claim 1, it is characterised in that the upper piston unit（8）With lower piston list
Member（14）There is center screw（11）, center screw（11）Inside it is threaded with screw（10）, screw（10）Both ends divide equally
Not from center screw（11）Both ends stretch out, screw（10）Away from central shaft（5）That one end be screw cap end, and the end is respectively provided with
There is end cap（9）；The upper piston unit（8）Center screw（11）Interior screw（10）With the upper eccentric wheel（12）Positioned at same
In one horizontal plane, the lower piston unit（14）Center screw（11）Interior screw（10）With the lower eccentric wheel（15）It is located at
In same level.
4. double-drum filter valve body as claimed in claim 1, it is characterised in that the upper piston unit（8）With lower piston list
Member（14）From close to central shaft（5）That one end slowly diminish to other end diameter.
5. double-drum filter valve body as claimed in claim 1, it is characterised in that the upper piston unit（8）With lower piston list
Member（14）Close to central shaft（5）That one end on have baffle plate（13）, baffle plate（13）Diameter be all higher than its corresponding upper inlet
（4）With lower outlet（1）Internal diameter.
6. the double-drum filter valve body as any one of claim 1 ~ 5, it is characterised in that the central shaft（5）It is outer
Stretching on end has handle（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610287869.8A CN105757282B (en) | 2016-05-04 | 2016-05-04 | A kind of double-drum filter valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610287869.8A CN105757282B (en) | 2016-05-04 | 2016-05-04 | A kind of double-drum filter valve body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105757282A CN105757282A (en) | 2016-07-13 |
| CN105757282B true CN105757282B (en) | 2018-04-06 |
Family
ID=56323323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610287869.8A Active CN105757282B (en) | 2016-05-04 | 2016-05-04 | A kind of double-drum filter valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105757282B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133266B (en) * | 2018-08-16 | 2023-10-13 | 南京福碧源环境技术有限公司 | Double-tank soft water control valve and water treatment system |
| CN108980407A (en) * | 2018-09-05 | 2018-12-11 | 新乡思诚净化设备有限公司 | A kind of switch valve structure on bitubular switch filtering device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US746896A (en) * | 1903-06-19 | 1903-12-15 | James Stott | Valve or tap. |
| US4611626A (en) * | 1984-09-11 | 1986-09-16 | Logsdon Duane D | Fluid control valve |
| US6668860B1 (en) * | 1999-10-18 | 2003-12-30 | Indufil B.V. | Switching device for optionally passing a flow of medium through a first or second treatment member |
| CN102939487A (en) * | 2010-06-02 | 2013-02-20 | Hydac处理技术有限公司 | Switching device for conducting fluid |
| CN205715797U (en) * | 2016-05-04 | 2016-11-23 | 无锡博伊特科技股份有限公司 | A kind of double-drum filter valve body |
-
2016
- 2016-05-04 CN CN201610287869.8A patent/CN105757282B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US746896A (en) * | 1903-06-19 | 1903-12-15 | James Stott | Valve or tap. |
| US4611626A (en) * | 1984-09-11 | 1986-09-16 | Logsdon Duane D | Fluid control valve |
| US6668860B1 (en) * | 1999-10-18 | 2003-12-30 | Indufil B.V. | Switching device for optionally passing a flow of medium through a first or second treatment member |
| CN102939487A (en) * | 2010-06-02 | 2013-02-20 | Hydac处理技术有限公司 | Switching device for conducting fluid |
| CN205715797U (en) * | 2016-05-04 | 2016-11-23 | 无锡博伊特科技股份有限公司 | A kind of double-drum filter valve body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105757282A (en) | 2016-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105757282B (en) | A kind of double-drum filter valve body | |
| CN205715797U (en) | A kind of double-drum filter valve body | |
| CN204604947U (en) | Tyre building machine multi-disc press-roller device | |
| CN202790747U (en) | Multi-stage regulating-type constant flow valve | |
| CN104847892B (en) | A kind of extruder cylinder piston rod and cylinder structure | |
| CN202569812U (en) | Gas filter | |
| CN105019316A (en) | Dynamic and static ring structure of molded pulp rotating hub machine | |
| CN202201976U (en) | Special blueing tool of hydraulic cylinder barrel | |
| CN107842630A (en) | Worm type double on and off valve | |
| CN202788967U (en) | Novel OCV (Oil Control Valve) | |
| CN207634743U (en) | Worm type double on and off valve | |
| CN205423378U (en) | Hydraulic pressure dispenser | |
| CN203805274U (en) | Device for replacing and backwashing screens of extruder | |
| CN204477428U (en) | A kind of manually-operated gate | |
| CN203737033U (en) | Efficient high-power oil-gas separator | |
| CN209687718U (en) | Gas and oil separating plant and air screw compressibility | |
| CN102829223A (en) | Multistage adjusting constant flow valve | |
| CN204093598U (en) | Starch milk washing duplex location cyclone | |
| CN205823641U (en) | A kind of sliding-vane air compressor stator and compressor thereof | |
| CN103147822A (en) | Engine oil filtration system and engine thereof | |
| CN215258108U (en) | Piston type electromagnetic pulse valve controlled by slide valve and control valve body | |
| CN202789312U (en) | Hydraulic motor with washing function | |
| CN203531997U (en) | Sealing structure of self-tightening seal engine oil filter | |
| CN205760054U (en) | A kind of coil formula pressing filter | |
| CN206647336U (en) | A kind of solenoid directional control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A valve body for double-cylinder filter Effective date of registration: 20230106 Granted publication date: 20180406 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Huishan branch Pledgor: WUXI BOIT TECHNOLOGY Co.,Ltd. Registration number: Y2023980030573 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |