CN204961901U - 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
CN204961901U
CN204961901U CN201520565003.XU CN201520565003U CN204961901U CN 204961901 U CN204961901 U CN 204961901U CN 201520565003 U CN201520565003 U CN 201520565003U CN 204961901 U CN204961901 U CN 204961901U
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China
Prior art keywords
armature
solenoid valve
water discharge
concentrated water
washing function
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CN201520565003.XU
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Chinese (zh)
Inventor
刘德祥
洪玉梅
任海勇
魏宏志
韩增杰
肖宏康
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Beijing Originwater Membrane Technology Co Ltd
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Beijing Originwater Membrane Technology Co Ltd
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Priority to CN201520565003.XU priority Critical patent/CN204961901U/en
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Abstract

The utility model provides a concentrated water discharge solenoid valve with washing function, including disk seat, action unit and coil section, be equipped with restricted aperture on the disk seat, action unit install in the disk seat, coil section with the disk seat with action unit is connected respectively, still including wasing the needle, the washing needle is located action unit's end, wash the needle run through in restricted aperture. The utility model discloses an antifouling stifled design of solenoid valve through wasing the needle, ability self - cleaning restricted aperture, the high scaling tendency of specially adapted, high dirty stifled sideway are used.

Description

A kind of concentrated water discharge solenoid valve with pre-washing function
Technical field
The utility model relates to a kind of water treatment unit of concentrated water discharge, is 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.
Model utility content
In view of this, the utility model provides a kind of concentrated water discharge solenoid valve with pre-washing function, is intended to the function realizing the metering hole of scouring electromagnetic valve being carried out to automatic dredging cleaning.
The technical solution adopted in the utility model 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, 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, 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 utility model produces is:
The dirt that scouring electromagnetic valve of the present utility model 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 utility model can be understood better.Accompanying drawing described herein is used to provide further understanding of the present utility model, and embodiment and explanation thereof, for explaining the utility model, are not formed improper restriction of the present utility model.
Fig. 1 is a kind of structural representation one (flushing state) with the concentrated water discharge solenoid valve of pre-washing function of the utility model;
Fig. 2 is a kind of structural representation two (normal working) with the concentrated water discharge solenoid valve of pre-washing function of the utility model;
Fig. 3 be a kind of cleaning needle with the concentrated water discharge solenoid valve of pre-washing function of the utility model 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, the technical solution of the utility model 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 utility model 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 embodiment of the present utility model by reference to the accompanying drawings, accompanying drawing is herein used to provide further understanding of the present utility model.Obviously; the foregoing is only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; any be to one skilled in the art can expect easily, do not depart from change of the present utility model or replacement in fact, be also all included within protection domain of the present utility model.

Claims (6)

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 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.
5. the concentrated water discharge solenoid valve with pre-washing function according to claim 4, 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.
6. 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.
CN201520565003.XU 2015-07-30 2015-07-30 Concentrated water discharge solenoid valve with washing function Active CN204961901U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520565003.XU CN204961901U (en) 2015-07-30 2015-07-30 Concentrated water discharge solenoid valve with washing function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520565003.XU CN204961901U (en) 2015-07-30 2015-07-30 Concentrated water discharge solenoid valve with washing function

Publications (1)

Publication Number Publication Date
CN204961901U true CN204961901U (en) 2016-01-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105065707A (en) * 2015-07-30 2015-11-18 北京碧水源膜科技有限公司 Concentrated water discharge solenoid valve with washing function
CN109373043A (en) * 2018-10-12 2019-02-22 余姚市普润净水设备有限公司 Anti-blocking multifunctional electromagnetic valves

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105065707A (en) * 2015-07-30 2015-11-18 北京碧水源膜科技有限公司 Concentrated water discharge solenoid valve with washing function
CN109373043A (en) * 2018-10-12 2019-02-22 余姚市普润净水设备有限公司 Anti-blocking multifunctional electromagnetic valves
CN109373043B (en) * 2018-10-12 2019-12-03 余姚市普润净水设备有限公司 Anti-blocking multifunctional electromagnetic valves

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