CN105065707A - Concentrated water discharge solenoid valve with washing function - Google Patents

Concentrated water discharge solenoid valve with washing function Download PDF

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Publication number
CN105065707A
CN105065707A CN201510460296.XA CN201510460296A CN105065707A CN 105065707 A CN105065707 A CN 105065707A CN 201510460296 A CN201510460296 A CN 201510460296A CN 105065707 A CN105065707 A CN 105065707A
Authority
CN
China
Prior art keywords
water discharge
concentrated water
solenoid valve
armature
discharge solenoid
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
Application number
CN201510460296.XA
Other languages
Chinese (zh)
Inventor
刘德祥
洪玉梅
任海勇
魏宏志
韩增杰
肖宏康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Originwater Membrane Technology Co Ltd
Original Assignee
Beijing Originwater Membrane Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Originwater Membrane Technology Co Ltd filed Critical Beijing Originwater Membrane Technology Co Ltd
Priority to CN201510460296.XA priority Critical patent/CN105065707A/en
Publication of CN105065707A publication Critical patent/CN105065707A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644One-way valve
    • F16K31/0672One-way valve the valve member being a diaphragm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/12Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm

Abstract

The invention provides a concentrated water discharge solenoid valve with a washing function. The concentrated water discharge solenoid valve comprises a valve seat, an action unit and a coil unit, and further comprises a washing needle, wherein a restriction hole is formed in the valve seat; the action unit is mounted on the valve seat; the coil unit is respectively connected with the valve seat and the action unit; the washing needle is arranged at the tail end of the action unit; and the washing needle penetrates through the restriction hole. The fouling and plugging resistant solenoid valve disclosed by the invention can automatically clean the restriction hole, and is especially suitable for being applied to a high scale forming tendency and a high fouling and plugging tendency.

Description

A kind of concentrated water discharge solenoid valve with pre-washing function
Technical field
The present invention relates to a kind of water treatment unit of concentrated water discharge, be specifically related to a kind of concentrated water discharge solenoid valve with pre-washing function.
Background technique
Due to the flow of waste water need be limited, the current limliting aperture of the concentrated water discharge solenoid valve of water treatment unit is all very little, and in the long-term operation process of water purification machine, the impurity in waste water can block the metering hole of solenoid valve, cause waste water to discharge, have a strong impact on the normal operation of unit.Scouring electromagnetic valve due to reverse osmosis concentrated water overcurrent has the minimum structural feature of above-mentioned throttle orifice; therefore usually there will be the situation causing concentrated water discharge resistance to increase due to fouling; the film surface velocity that exhaust resistance increase causes causes the appearance of fouling membrane phenomenon not, thus can cause change that film is frequent, equipment water outlet decline, power consumption cost increase and degradation series of problems under the water purifier life-span.Especially for the water purifier of high Water Sproading rate, the problems referred to above are particularly evident.
Existing scouring electromagnetic valve can realize current limliting and pre-washing function, but can not solve the stifled problem of incrustation scale dirt, and cause and filter membrane replacing frequently, operating cost increases.As patented product (patent No. ZL200620046718.5) discloses a kind of scouring electromagnetic valve, comprise valve base, the valve casing covered on valve base, and armature cover, armature, coil, spring, pressing plate, the eardrum be located in valve casing and valve base, described valve base has water intake and water outlet, inner ring is provided with in it, water outlet is directly communicated with inner ring inside, and described internal ring wall has aperture.Compared with conventional flush solenoid valve, this product has that volume is little, connecting pipeline is simple and save advantages such as manufacturing raw material, but still the problem of the metering hole place fouling and clogging that scouring electromagnetic valve exists cannot be solved, operational safety and the life-span of water treatment unit are urgently optimized further.
Summary of the invention
In view of this, the invention provides a kind of concentrated water discharge solenoid valve with pre-washing function, be intended to the function realizing the metering hole of scouring electromagnetic valve being carried out to automatic dredging cleaning.
The technical solution used in the present invention is specially:
Have a concentrated water discharge solenoid valve for pre-washing function, comprise valve seat, motor unit and coil unit, described valve seat is provided with metering hole; Described motor unit is installed on described valve seat, and described coil unit is connected with described motor unit respectively with described valve seat;
Also comprise cleaning needle, described cleaning needle is located at the end of described motor unit, and described cleaning needle is through described metering hole, and described cleaning needle and metering hole are Spielpassung.
Have in the concentrated water discharge solenoid valve of pre-washing function above-mentioned, described motor unit comprises armature, armature cover, sealing eardrum, compressing tablet and Returnning spring; Wherein:
Described sealing eardrum is located between described valve seat and described compressing tablet;
Described armature is located at the inner chamber of described armature cover, and the first end of described armature is located at the middle part of described compressing tablet, and described Returnning spring is located between the inner cavity top that the second end of described armature and described armature overlaps.
Have in the concentrated water discharge solenoid valve of pre-washing function above-mentioned, center-side and the described compressing tablet of described sealing eardrum fit, and the outer rim of described sealing eardrum is fixed on described valve seat and described armature cover.
Have in the concentrated water discharge solenoid valve of pre-washing function above-mentioned, the material of described sealing eardrum is precipitated silicas or ethylene propylene diene rubber.
Have in the concentrated water discharge solenoid valve of pre-washing function above-mentioned, described cleaning needle comprises shank and is located at the stepped cone on described shank, and described stepped cone and described metering hole are Spielpassung.
Have in the concentrated water discharge solenoid valve of pre-washing function above-mentioned, described Spielpassung is specially: the maximum cross-section external diameter of described stepped cone is-0.02 ~-0.07mm relative to the deviation of described metering hole.
Have in the concentrated water discharge solenoid valve of pre-washing function above-mentioned, the material of described cleaning needle is for being Martensitic Stain Less Steel three chromium 13 3Cr13 or three chromium 13 molybdenum 3Cr13Mo.
Have in the concentrated water discharge solenoid valve of pre-washing function above-mentioned, described coil unit comprises coil housing and is placed in the coil of described coil housing inner chamber, the outside that described coil encircling overlaps in described armature, the bottom of described coil housing overlaps with described armature and described valve seat is connected respectively.
The beneficial effect that the present invention produces is:
The dirt that scouring electromagnetic valve of the present invention can remove valve is automatically blocked up, be specially adapted to high fouling tendency, the high dirty stifled concentrated water discharge of tendency and the electromagnetic valve of metering function, extend the working life of scouring electromagnetic valve, having stopped existing scouring electromagnetic valve causes unit cannot continue the disadvantage run because of metering hole blocking, makes the mass production of the water treatment unit of high Water Sproading rate become possibility.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, more completely the present invention can be understood better.Accompanying drawing described herein is used to provide a further understanding of the present invention, and embodiment and explanation thereof, for explaining the present invention, do not form inappropriate limitation of the present invention.
Fig. 1 is a kind of structural representation one (flushing state) with the concentrated water discharge solenoid valve of pre-washing function of the present invention;
Fig. 2 is a kind of structural representation two (normal working) with the concentrated water discharge solenoid valve of pre-washing function of the present invention;
Fig. 3 be a kind of cleaning needle with the concentrated water discharge solenoid valve of pre-washing function of the present invention with metering hole coordinate schematic diagram.
In figure:
1-coil housing
2-coil
3-Returnning spring
4-cleaning needle
5-seals eardrum
6-compressing tablet
7-armature
8-valve seat
9-armature cover
10-metering hole.
Embodiment
Below in conjunction with drawings and Examples, technological scheme of the present invention is described in further detail.
The concentrated water discharge solenoid valve with pre-washing function as shown in Fig. 1 ~ 2, comprise valve seat 8, motor unit, cleaning needle 4 and coil unit, valve seat 8 is provided with metering hole 10; Motor unit is installed on valve seat 8, and coil unit is connected respectively with valve seat 8 and motor unit; Cleaning needle 4 be located at motor unit end and through metering hole 10; Wherein:
Motor unit comprises armature 7, armature cover 9, sealing eardrum 5, compressing tablet 6 and Returnning spring 3; Wherein: sealing eardrum 5 is located between valve seat 8 and compressing tablet 6, be located at the middle part that first end (lower end) that armature overlaps the armature 7 of 9 inner chambers is located at compressing tablet 6, between the inner cavity top that armature cover 9 is located at by Returnning spring 3 and second end (upper end) of armature 7:
Coil unit comprises coil housing 1 and is placed in the coil 2 of coil housing inner chamber, coil 2 be surrounded on armature cover 9 outside, overlap with armature bottom coil housing 19 and valve seat 8 be connected respectively;
Sealing eardrum 5 is preferably precipitated silicas or ethylene propylene diene rubber material, and its center hole is bonding with compressing tablet 6, and outer rim is seal ring, and seal ring and valve seat 8 and armature overlap the sealing configuration that 9 form integral type;
Circular hole in the middle of sealing eardrum 5 is bonding with compressing tablet 6, forms seal space by sealing eardrum 5, valve seat 8 and compressing tablet 6;
Cleaning needle 4 is preferably 3Cr13 (Martensitic Stain Less Steel three chromium 13) or 3Cr13Mo (three chromium 13 molybdenums) material, as shown in Figure 3, comprise shank and be located at stepped cone structure on shank, that match with metering hole 10, stepped cone structure matches with armature 7 cleaning action that can complete metering hole 10; The stepped cone structure of cleaning needle 4 and the fit system of metering hole 10 are Spielpassung; As a kind of preferred embodiment, the deviation of tapered major diameter size is base dimension-0.02 ~-0.07mm (being preferably-0.07mm).
The working procedure of scouring electromagnetic valve is:
When scouring electromagnetic valve is in flushing state (see Fig. 1), coil 2 obtains electric, armature 7 compression reseting spring 3 makes its upwards jack-up, sealing eardrum 5, compressing tablet 6 and elasticity cleaning needle 4 are thereupon upwards, sparge water enters from the water intake on right side, the drain opening flowing through metering hole 10 to left side along the direction of arrow in Fig. 1 is discharged, and this Cleaning Process pin 4 can carry out dredging cleaning (see Fig. 3) to metering hole 10, completes once flushing and clears up the dredging of metering hole;
After flushing process terminates, coil 2 power down, spring 3 makes armature 7 reset, and sealing eardrum 5, compressing tablet 6 and cleaning needle 4 get back to normal operation position (see Fig. 2), start working; Namely when scouring electromagnetic valve is in normal operation, dense water enters from the water intake on right side, and the drain opening flowing through metering hole 10 to left side along the direction of arrow in Fig. 2 is discharged.
Can find out, by powering on to coil 2, scouring electromagnetic valve of the present invention can carry out automatic dredging cleaning to metering hole 10, prevents the blocking of metering hole 10, can make extend 6 ~ 8 times the working life of scouring electromagnetic valve.
Below explain embodiments of the invention by reference to the accompanying drawings, accompanying drawing is herein used to provide a further understanding of the present invention.Obviously; the foregoing is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; any be to one skilled in the art can expect easily, do not depart from change of the present invention or replacement in fact, be also all included within protection scope of the present invention.

Claims (8)

1. have a concentrated water discharge solenoid valve for pre-washing function, it is characterized in that, comprise valve seat, motor unit and coil unit, described valve seat is provided with metering hole; Described motor unit is installed on described valve seat, and described coil unit is connected with described motor unit respectively with described valve seat;
Also comprise cleaning needle, described cleaning needle is located at the end of described motor unit, and described cleaning needle is through described metering hole.
2. the concentrated water discharge solenoid valve with pre-washing function according to claim 1, is characterized in that, described motor unit comprises armature, armature cover, sealing eardrum, compressing tablet and Returnning spring; Wherein:
Described sealing eardrum is located between described valve seat and described compressing tablet;
Described armature is located at the inner chamber of described armature cover, and the first end of described armature is located at the middle part of described compressing tablet, and described Returnning spring is located between the inner cavity top that the second end of described armature and described armature overlaps.
3. the concentrated water discharge solenoid valve with pre-washing function according to claim 2, is characterized in that, center-side and the described compressing tablet of described sealing eardrum fit, and the outer rim of described sealing eardrum is fixed on described valve seat and described armature cover.
4. the concentrated water discharge solenoid valve with pre-washing function according to claim 3, is characterized in that, described sealing eardrum is precipitated silicas material or ethylene propylene diene rubber.
5. the concentrated water discharge solenoid valve with pre-washing function according to claim 1, is characterized in that, described cleaning needle comprises shank and is located at the stepped cone on described shank, and described stepped cone and described metering hole are Spielpassung.
6. the concentrated water discharge solenoid valve with pre-washing function according to claim 5, it is characterized in that, described Spielpassung is specially:
The maximum cross-section external diameter of described stepped cone is-0.02 ~-0.07mm relative to the deviation of described metering hole.
7. the concentrated water discharge solenoid valve with pre-washing function according to claim 1, is characterized in that, described cleaning needle is Martensitic Stain Less Steel three chromium 13 3Cr13 or three chromium 13 molybdenum 3Cr13Mo materials.
8. the concentrated water discharge solenoid valve with pre-washing function according to claim 1, it is characterized in that, described coil unit comprises coil housing and is placed in the coil of described coil housing inner chamber, the outside that described coil encircling overlaps in described armature, the bottom of described coil housing overlaps with described armature and described valve seat is connected respectively.
CN201510460296.XA 2015-07-30 2015-07-30 Concentrated water discharge solenoid valve with washing function Pending CN105065707A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201510460296.XA CN105065707A (en) 2015-07-30 2015-07-30 Concentrated water discharge solenoid valve with washing function

Publications (1)

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CN105065707A true CN105065707A (en) 2015-11-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626906A (en) * 2016-03-22 2016-06-01 陶东娅 Combined waste water valve
CN109469737A (en) * 2017-09-08 2019-03-15 佛山市顺德区美的饮水机制造有限公司 Wastewater valve and purifier with it

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5766452A (en) * 1996-09-16 1998-06-16 Samsung Electronics Co., Ltd. Water purifier having control valve for discharging waste water
CN200968441Y (en) * 2006-10-11 2007-10-31 佳尼特(上海)纯水设备有限公司 Flushing electromagnetic valve
CN201137734Y (en) * 2007-10-30 2008-10-22 裘苗全 Self-closing blocking-proof water tap
KR20110054883A (en) * 2009-11-18 2011-05-25 주식회사 후레쉬워터 Drip stop device for under sink built in type purifier
CN102943896A (en) * 2012-11-15 2013-02-27 李志红 Magnetic valve with compact structure, good tightness and high reliability
CN103807450A (en) * 2013-05-22 2014-05-21 麦特汽车服务股份有限公司 Implementation method of flow regulating valve for maximum flow limitation and blockage prevention
CN204961901U (en) * 2015-07-30 2016-01-13 北京碧水源膜科技有限公司 Concentrated water discharge solenoid valve with washing function

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5766452A (en) * 1996-09-16 1998-06-16 Samsung Electronics Co., Ltd. Water purifier having control valve for discharging waste water
CN200968441Y (en) * 2006-10-11 2007-10-31 佳尼特(上海)纯水设备有限公司 Flushing electromagnetic valve
CN201137734Y (en) * 2007-10-30 2008-10-22 裘苗全 Self-closing blocking-proof water tap
KR20110054883A (en) * 2009-11-18 2011-05-25 주식회사 후레쉬워터 Drip stop device for under sink built in type purifier
CN102943896A (en) * 2012-11-15 2013-02-27 李志红 Magnetic valve with compact structure, good tightness and high reliability
CN103807450A (en) * 2013-05-22 2014-05-21 麦特汽车服务股份有限公司 Implementation method of flow regulating valve for maximum flow limitation and blockage prevention
CN204961901U (en) * 2015-07-30 2016-01-13 北京碧水源膜科技有限公司 Concentrated water discharge solenoid valve with washing function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626906A (en) * 2016-03-22 2016-06-01 陶东娅 Combined waste water valve
CN109469737A (en) * 2017-09-08 2019-03-15 佛山市顺德区美的饮水机制造有限公司 Wastewater valve and purifier with it
CN109469737B (en) * 2017-09-08 2020-04-28 佛山市顺德区美的饮水机制造有限公司 Waste water valve and water purification equipment with same

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Application publication date: 20151118