CN107366758B - Water-break and back-flushing valve and filter - Google Patents
Water-break and back-flushing valve and filter Download PDFInfo
- Publication number
- CN107366758B CN107366758B CN201610321803.6A CN201610321803A CN107366758B CN 107366758 B CN107366758 B CN 107366758B CN 201610321803 A CN201610321803 A CN 201610321803A CN 107366758 B CN107366758 B CN 107366758B
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- Prior art keywords
- hole
- valve seat
- water supply
- cut
- distal end
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- 238000011010 flushing procedure Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000010865 sewage Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000011001 backwashing Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000003245 working effect Effects 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/312—Line blinds
-
- 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
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a water-break and back-wash valve which comprises a valve seat, wherein the valve seat is connected with a rotatable valve core attached to the upper surface of the valve seat, a first through hole is formed in the position, located at the rotation center of the valve core, of the valve seat, a second through hole and a third through hole are sequentially arranged at intervals on one side of the first through hole, far away from the first through hole, the second through hole and the third through hole are located on the same straight line, a fourth through hole and a fifth through hole, far away from the first through hole, are symmetrically arranged on the other side of the first through hole, and a first blind hole covering the first through hole and the second through hole and a second blind hole covering the fourth through hole and the fifth through hole are formed. The water cut-off and back-washing valve and the filter realize the back-washing and water cut-off functions only by one valve, have simple and compact structure, are easy to operate, and can easily realize water cut-off and filter element replacement.
Description
Technical field
The present invention relates to valve field, especially one kind to cut off the water supply and back flush valves and filter.
Background technique
Storage-type electric water heater endangers user because will affect the service life of water heater in water quality containing silt, impurity etc.
Health.It sets filter core in order to purify water generally to add in the water inlet front end of water heater and is filtered.But at one section of filter element filtering
Between after can accumulate a large amount of suspended particulate substance, impurity, cause clean-up effect to decline.If the impurity of siltation the cartridge surface time compared with
Can be not easy to clean after length, and be also easy to breed bacterium, influence water quality and the health of user.And the impurity to deposit on filter core
It excessively also will affect the effect for influencing that water is blown when having a bath into the unobstructed of water.
The more existing filter with backwash function, when filter after a period of use, inner accumulation is a large amount of
At this moment backwashing function can be realized by switching corresponding valve in impurity.When filter core seriously pollutes, backwash is without effect
When, it is necessary to replace filter.But existing backwash filter and do not have water cut-off function, therefore replace filter just very
Complexity generally requires the complicated processes such as cutting water flow detaching pipelines.
Since user is not professional, self-changeable filter core is tended not to, this just brings very big inconvenience to user.Mesh
The preceding back-flushing method for preposition backwash filter can only realize backwash and just wash two functions, also relatively more multiple in operation
It is miscellaneous.It cannot achieve to cut off the water supply and replace the function of filter core.
Have between this, proposes the present invention.The present invention can judge automatically filter core service condition, and use feelings according to filter core
Condition, automatic cleaning filter core when needing guarantee the working effect of filter core.It is mentioned simultaneously in the case where filter core can not be cleaned effectively
Show that user replaces filter core.
Positive backwash gear can be switched fast it is an object of the present invention to provide one kind, and the valve with water cut-off function and its
Filter.
Summary of the invention
Present invention mainly solves the preposition backwash filter of existing water heater, structure is complicated, inconvenient, cannot achieve disconnected
Water replaces the problem of filter core.It is simple and compact for structure to provide one kind, it is easily operated, replacement of cutting off the water supply can be just realized by simple operations
One kind of filter core is cut off the water supply and back flush valves and filter.
One kind is cut off the water supply and back flush valves, including valve seat, the valve seat be connected with fit with valve seat upper surface it is rotatable
Spool, be sequentially arranged at intervals with the second through-hole and third through-hole, first through hole, far from first through hole in first through hole side
Two through-holes and third through-hole are located along the same line, and successively separate the 4th and fifth hole is symmetrically arranged in the other side, described
The first blind hole of covering first through hole and the second through-hole, covering fourth hole and the are provided on the face that spool and valve seat fit
Second blind hole of five through-holes.
Further, described first, second, third and fourth and five spaced sets between through-hole.
Further, second and third described through-hole also has an extended segment, the extended segment close to the part of valve seat upper surface
For the groove being angularly extended by the center of circle of first through hole along circumference where second and third through-hole, fourth, fifth through-hole is leaned on
The part of nearly valve seat upper surface is extended fluted in an identical manner, and extension angle must ensure the second through-hole not with the 4th
Through-hole connection, third through-hole not with fifth hole connection, and the first blind hole not with second, four through-holes connection simultaneously, the second blind hole
Not with three, five through-holes connection simultaneously.
Further, described first and third, the one end of five through-holes far from valve seat upper surface is distal end, described first and third, five
Through-hole distal end is provided with the side of the valve seat, described second, four through-holes run through valve seat lower surface, distal end is arranged under valve seat
Surface.
Further, the spool and valve seat are cylinder, and the equal setting of outer diameter.
Further, the valve seat and spool are ceramic material.
It is a kind of with the filter cut off the water supply with back flush valves, including filter core, the inlet and outlet point of the filter core
It is not connect with the second through-hole and fourth hole.
Further, described first and third, the side of the valve seat is arranged in five through-holes distal end, further includes and described first
The water inlet pipe of through-hole distal end connection, the outlet pipe being connect with the 5th logical remote stomidium, the sewage pipe being connect with third through-hole distal end.
Further, the filter core is bonded setting with valve seat lower surface, and the filter core is the cylinder with valve seat same outer diameter
Shape structure.
Further, the third, five through-holes distal end are divided into 180 ° between valve seat side.
After adopting the above technical scheme, one kind of the present invention is cut off the water supply and back flush valves and filter, it is only necessary to a valve
It is achieved that backwash and water cut-off function, it is simple and compact for structure, it is easily operated, it can realize easily and cut off the water supply and replace filter core.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the 3-D view of the embodiment of the present invention
Fig. 2 is the left view of the embodiment of the present invention
Fig. 3 is the main view of valve seat in the embodiment of the present invention
Fig. 4 is the main view of spool and valve seat coating surface in the embodiment of the present invention
Fig. 5 is the cross-sectional view of valve seat in the preferred embodiment of the present invention
Fig. 6 is schematic diagram when spool is in first position in the preferred embodiment of the present invention
Fig. 7 is schematic diagram when spool is in the second position in the preferred embodiment of the present invention
Fig. 8 is that through-hole has the schematic diagram of extended structure on valve seat in the preferred embodiment of the present invention
Fig. 9 is the valve working status diagram with Fig. 8 structure
Figure 10 is that the present invention is a kind of with the filter core schematic diagram cut off the water supply with the filter of back flush valves
Figure 11 is that the present invention is a kind of with the filter schematic diagram cut off the water supply with back flush valves
Figure 12 is the cross-sectional view of Figure 10
Figure 13 is that the present invention is a kind of with the filter another kind embodiment cut off the water supply with back flush valves
First through hole 1, the second through-hole 2, the second through-hole proximal end 21, the second through-hole distal end 22, third through-hole 3, third through-hole
Proximal end 31, third through-hole distal end 32, fourth hole 4, fourth hole proximal end 41, fourth hole distal end 42, fifth hole 5, the 5th
Through-hole proximal end 51, fifth hole distal end 52, the first blind hole 6, the second blind hole 7, valve seat 8, spool 9.
Specific embodiment
Existing water heater installs filtering additional for the health of user and the service life of raising liner on inlet pipeline
Core, to purify water.But filter core becomes dirty after being used for a long time, and filter effect is deteriorated, and at this moment just needs replacing filter core.It is existing
Technology filter element replacing is more complicated, needs detaching pipelines, or the multiple valves of setting.The present invention provides one kind and cuts off the water supply and backwash
Valve and filter are realized in a valve mechanism and are cut off the water supply and backwashing function, compact-sized simple, easy to operate.
As shown in Figures 1 to 4, one kind is cut off the water supply and back flush valves, including valve seat 8, and the valve seat, which is connected with, is fitted in valve seat
The rotatable spool 9 of upper surface, which is characterized in that it is logical that the position that the valve seat is located at 9 rotation center of spool is equipped with first
Hole 1 is sequentially arranged at intervals with the second through-hole 2 and third through-hole 3 far from first through hole 1 in 1 side of first through hole, first through hole 1,
Second through-hole 2 and third through-hole 3 are located along the same line, i.e., successively logical far from first along the side for the straight line for crossing first through hole 1
Hole 1 is arranged at intervals with the second through-hole 2 and third through-hole 3, and the other side is symmetrically arranged successively separate fourth hole 4 and the 5th and leads to
Hole 5, on the spool 9 with the first blind hole 6 that covering first through hole 1 and the second through-hole 2 are provided on the binding face of valve seat 8 and cover
Second blind hole of lid the 4th through-hole 4 and fifth hole 5.
Above structure is that one kind of the present invention is cut off the water supply and back flush valves.There are three kinds of states during spool 9 rotates.
As shown in Figure 4 and Figure 6, the first state, the first blind hole 6 and the second blind hole 7 are covered each by the one the second through-holes and the 4th the 5th
Through-hole forms a forehearth limb between the one the second through-holes at this time, forms a forehearth limb between the 4th fifth hole.Second of shape
State, the first blind hole 6 and the second blind hole 7 will be covered each by the first fourth hole and the second third is led to after spool 9 rotates 180 degree
Hole forms one and leads to as shown in fig. 7, foring a forehearth limb between the first fourth hole at this time between second and third through-hole
Road.The third state, when spool 9 is rotated between first state and the second state, there is no appoint between the first to five through-hole
What access, therefore just realize and cut off the water supply.
Further, between the first through hole 1, the second through-hole 2, third through-hole 3, fourth hole 4 and fifth hole 5 etc.
Spacing setting.Spaced set is advantageous in that more regular neat, facilitates production and processing.
It further, can also be to valve in order to reduce the rotation angle of spool 9 between the first state and a second state
Seat 8 improves setting, second and third described through-hole 2,3 also has an extended segment, the extension close to the part of valve seat upper surface
Section is is the center of circle with first through hole 1, the groove being angularly extended along second and third through-hole 2,3 place circumference, the described 4th,
Five through-holes 4,5 are extended fluted in an identical manner close to the part of valve seat upper surface, and the specific method is as follows.Such as Fig. 8 institute
Show, by second and third described through-hole close to one section of (i.e. second through-hole proximal end 21 and third through-hole proximal end of valve seat upper surface
23) angularly extending where it using first through hole to be circumferential on the circle in the center of circle, extension angle is less than 180 °.Described 4th,
Five through-holes extend in an identical manner close to one section (fourth hole proximal end 41 and fifth hole proximal end 51) of valve seat upper surface, prolong
Hade degree is less than 180 °.Its extension angle must ensure the second through-hole 2 not with 4 connection of fourth hole, and third through-hole 3 is logical with the 5th
5 connection of hole, and the first blind hole 6 not with second, four through-holes connection simultaneously, the second blind hole 7 not with three, five through-holes connection simultaneously.
Further, described first and third, the one end of five through-holes far from valve seat upper surface is distal end (i.e. first through hole distal end
12, third through-hole distal end 32 and fifth hole distal end 52), in actual use first and third and five through-hole distal end 12,32,52 use
In with corresponding piping connection, the distal end of through-hole two and four is connect with filter core 10.Described first and third and five through-hole distal end 12,32,52
It can be arranged through valve seat in valve seat lower surface, also can be set in the side (such as Fig. 5 and Figure 12) of valve seat.When setting is in valve seat
When lower surface, as shown in figure 13, first and third and five the junction of through-hole and pipeline be located at valve seat lower surface, occupy lower surface
Neighbouring space can not be fitted and connected between filter core 10 and valve seat 8, and structure is not compact wordy, and occupied space is big.When described
One, three, five through-holes distal end 12,32,52 is provided with as shown in FIG. 11 and 12 when the side of the valve seat 8, described second, four through-holes
Through valve seat lower surface, the second through-hole distal end 22, fourth hole distal end 42 is arranged in valve seat lower surface.When being arranged in this way,
The first and third, five through-holes distal end 12,32,52 is located at the side of valve seat 8 with the junction of pipeline, will not occupy the sky of 8 bottom surface of valve seat
Between, therefore filter core 10 can be fitted closely with valve seat 8 and be connect, compact overall structure is succinct, occupies little space.Therefore the present invention one
Kind cut off the water supply and preferably to be used with back flush valves, described first and third, five through-holes distal end 12,32,52 be provided with the side of the valve seat
Face, described second, the scheme that valve seat lower surface is set of four through-holes distal end 22,42.
Further, the spool 9 and valve seat 8 are cylinder, and the equal setting of outer diameter.Due to spool 9 and valve seat 8 it
Between be rotary structure, motion profile is circular motion, therefore sets cylindrical for spool 9 and valve seat 8.And by spool
9 and the outer diameter of valve seat 8 be set as equal, making valve in appearance becomes an overall structure, structure more compact.
Further, the valve seat 8 and spool 9 are ceramic material.In view of leakproofness and service life, valve is usual
Using wear-resisting and good airproof performance ceramic material.Therefore the present invention kind cuts off the water supply is using valve seat 8 and spool 9 with back flush valves
Ceramic material.
As shown in Figure 10, one kind of the present invention is cut off the water supply can also connect with back flush valves with a filter core 10, constitute a kind of tool
There is the filter cut off the water supply with backwashing function.It is a kind of with the filter cut off the water supply with back flush valves, packet shown in 12 such as Figure 11
Include filtration core 10, which is characterized in that the water inlet 101 and water outlet 102 of the filter core respectively with the second through-hole 2 and fourth hole
4 connections.Under this connection type, when valve is in two kinds of different conditions of Fig. 6 and Fig. 7, so that it may realize to filter core just
To water inlet and back flush.
Further, described first and third, five through-holes distal end 12,32,52, are arranged in the side of the valve seat 8.The first,
Three, the distal end 12,32,52 of five through-holes can be set in the lower surface of valve seat 8, also can be set in the side of valve seat 8, setting exists
The benefit of 8 side of valve seat is that the junction of pipeline and valve seat 8 is located at side, is not take up the space of 8 lower surface of valve seat, filter core 10
Connection can be fitted closely with valve seat 8, so that filter is compact-sized succinct.If one, three, five through-holes distal end 12,32,52 is set
8 lower surface of valve seat is set, structure as shown in Figure 10 can only be just arranged to, it is seen that it cannot be fitted closely between filter core 10 and valve seat 8,
Structure is wordy, and occupied space is big.Therefore preferably it is arranged using described first and third, five through-holes distal end 12,32,52 in the valve
The technical solution of the side of seat 8.
Further, it in order to enable filter normal use and having the function of backwash, needs to connect with inlet and outlet pipe, wrap
The water inlet pipe connecting with the first through hole distal end 12 is included, the outlet pipe connecting with fifth hole distal end 52 is remote with third through-hole
The sewage pipe of 32 connection of end.Since first through hole proximal end 11 and the first blind 6 hole are connection always, and the rotation of the first blind hole 6 can
The second through-hole 2 or fourth hole 4 are covered, therefore first through hole 1 is connect with water inlet pipe, may be implemented into water from from the second through-hole
2 flow through and intake from fourth hole 4 flow through between conversion, namely realize into water from 10 water inlet 101 of filter core enter filter core
(i.e. normal filtration state), and water inlet enter the switching between filter core (i.e. backwash state) from 10 water outlet 102 of filter core.And when the
When one blind hole 6 is in the part between the second through-hole 2 and fourth hole 4, the first blind hole 6 is not with any through-hole connection, quilt of intaking
Cutting is to cut off the water supply in state filter core 10 not having water flow process at this time, can carry out dismounting and change to filter core.
Further, the filter core 10 is bonded setting with 8 lower surface of valve seat, and the filter core 10 is and 8 same outer diameter of valve seat
Cylindrical structure.It sets the cylinder equal with 8 outer diameter of valve seat for filter core 10 and can make entire filter in appearance becoming
One entirety, compact-sized succinct integration, occupied space is few, and obtains good visual effect.
Further, the third, five through-holes distal end 32,52 are arranged inside valve seat along the radial direction of valve seat, specifically
, it is that it is opposite that valve seat is set in distal openings along the radial line direction setting where the third through-hole 3, fifth hole 5
Two sides.In view of the front filter element of water heater is generally arranged at below water heater, and inlet pipeline is generally also vertical side
It is connect to water heater bottom, in order to not change the structure of existing water heater pipeline as far as possible, the present invention is a kind of to be had and cut off the water supply and instead
The filter of flushing valve is by third through-hole distal end 32 and the two sides that valve seat is arranged in is opposite of fifth hole distal end 52, thus real
Show the trend of water inlet pipe and sewage pipe one on the other, is more conform with the use habit of people.Further preferably, third, five
The setting at 32,52 180 ° of interval of through-hole distal end is in 8 side of valve seat.
The above is only presently preferred embodiments of the present invention, and embodiment is only to the preferred embodiment of the present invention
It is described, it is not intended to limit the concept and scope of the present invention, under the premise of not departing from design philosophy of the present invention, ability
The various changes and modifications that professional technician makes technical solution of the present invention in domain belong to protection model of the invention
It encloses.
Claims (10)
1. one kind is cut off the water supply and back flush valves, including valve seat, the valve seat be connected with fit with valve seat upper surface it is rotatable
Spool, which is characterized in that the valve seat be located at Spool rotating center position be equipped with first through hole, in first through hole side according to
Secondary separate first through hole is arranged at intervals with the second through-hole and third through-hole, and first through hole, the second through-hole and third through-hole are located at same
On one straight line, the other side is symmetrically arranged successively separate the 4th and fifth hole, on the face that the spool and valve seat fit
It is provided with the first blind hole of covering first through hole and the second through-hole, covers the second blind hole of fourth hole and fifth hole；It is described
First through hole distal end connection water inlet pipe, connect outlet pipe with the 5th logical remote stomidium, connect sewage pipe with third through-hole distal end.
2. one kind is cut off the water supply and back flush valves according to claim 1, which is characterized in that described first, second, third and fourth and five
It is spaced set between the adjacent two through hole of through-hole.
3. one kind is cut off the water supply and back flush valves according to claim 1, which is characterized in that second and third described through-hole is close to valve
The part of seat upper surface also has an extended segment, and the extended segment is round where second and third through-hole by the center of circle of first through hole
The groove that week is angularly extended, fourth, fifth through-hole extends in an identical manner close to the part of valve seat upper surface to be set
Be equipped with groove, extension angle must ensure the second through-hole not with fourth hole connection, third through-hole not with fifth hole connection, and
First blind hole not with second, four through-holes connection simultaneously, the second blind hole not with three, five through-holes connection simultaneously.
4. one kind is cut off the water supply and back flush valves according to claim 1, which is characterized in that described first and third, five through-holes it is separate
One end of valve seat upper surface is distal end, described first and third, five through-holes distal end be provided with the side of the valve seat, described second, four
Through-hole runs through valve seat lower surface, and distal end is arranged in valve seat lower surface.
5. one kind is cut off the water supply and back flush valves according to claim 1, which is characterized in that the spool and valve seat are cylinder
Shape, and the equal setting of outer diameter.
6. one kind is cut off the water supply and back flush valves according to claim 1, which is characterized in that the valve seat and spool are ceramics
Material.
7. a kind of any described with the filter cut off the water supply with back flush valves, including filter core, feature with claim 1-6
It is, the inlet and outlet of the filter core are connect with the second through-hole and fourth hole respectively.
8. a kind of with the filter cut off the water supply with back flush valves according to claim 7, which is characterized in that described first,
Three, the side of the valve seat is arranged in five through-holes distal end, further includes the water inlet pipe connecting with the first through hole distal end, with the 5th
The outlet pipe of logical remote stomidium connection, the sewage pipe being connect with third through-hole distal end.
9. a kind of with the filter cut off the water supply with back flush valves according to claim 7, which is characterized in that the filter core with
The fitting setting of valve seat lower surface, the filter core are the cylindrical structure with valve seat same outer diameter.
10. a kind of with the filter cut off the water supply with back flush valves according to claim 8, which is characterized in that the third,
The opposite two sides of valve seat are arranged in five through-hole distal openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321803.6A CN107366758B (en) | 2016-05-13 | 2016-05-13 | Water-break and back-flushing valve and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321803.6A CN107366758B (en) | 2016-05-13 | 2016-05-13 | Water-break and back-flushing valve and filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107366758A CN107366758A (en) | 2017-11-21 |
| CN107366758B true CN107366758B (en) | 2019-08-06 |
Family
ID=60304691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610321803.6A Active CN107366758B (en) | 2016-05-13 | 2016-05-13 | Water-break and back-flushing valve and filter |
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| Country | Link |
|---|---|
| CN (1) | CN107366758B (en) |
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|---|---|---|---|---|
| CN2054123U (en) * | 1989-06-23 | 1990-03-07 | 浙江瑞安永久机电研究所 | Filtering valve |
| JP4180914B2 (en) * | 2000-10-30 | 2008-11-12 | アクセス ビジネス グループ インターナショナル リミテッド ライアビリティ カンパニー | Ceramic disc diverter valve |
| CN101737529A (en) * | 2010-01-05 | 2010-06-16 | 郑祥开 | Fluid flow direction switch |
| CN202629170U (en) * | 2012-01-02 | 2012-12-26 | 陶正年 | Biswitch ceramic valve assembly and biswitch valve core equipped with same |
| CN202691147U (en) * | 2012-01-02 | 2013-01-23 | 陶正年 | Water-filling double-switch throttle valve porcelain core for solar water heaters |
| CN203548999U (en) * | 2013-11-30 | 2014-04-16 | 中山方诺环保技术有限公司 | Ceramic chip water path control structure of water distributor |
| CN203963122U (en) * | 2014-07-30 | 2014-11-26 | 艾欧史密斯(中国)热水器有限公司 | Multifunctional switching valve |
-
2016
- 2016-05-13 CN CN201610321803.6A patent/CN107366758B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054123U (en) * | 1989-06-23 | 1990-03-07 | 浙江瑞安永久机电研究所 | Filtering valve |
| JP4180914B2 (en) * | 2000-10-30 | 2008-11-12 | アクセス ビジネス グループ インターナショナル リミテッド ライアビリティ カンパニー | Ceramic disc diverter valve |
| CN101737529A (en) * | 2010-01-05 | 2010-06-16 | 郑祥开 | Fluid flow direction switch |
| CN202629170U (en) * | 2012-01-02 | 2012-12-26 | 陶正年 | Biswitch ceramic valve assembly and biswitch valve core equipped with same |
| CN202691147U (en) * | 2012-01-02 | 2013-01-23 | 陶正年 | Water-filling double-switch throttle valve porcelain core for solar water heaters |
| CN203548999U (en) * | 2013-11-30 | 2014-04-16 | 中山方诺环保技术有限公司 | Ceramic chip water path control structure of water distributor |
| CN203963122U (en) * | 2014-07-30 | 2014-11-26 | 艾欧史密斯(中国)热水器有限公司 | Multifunctional switching valve |
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