CN202001706U

CN202001706U - Solar anti-freezing electromagnetic valve

Info

Publication number: CN202001706U
Application number: CN2011200775929U
Authority: CN
Inventors: 王朝阳; 祝云霞; 吕烈平
Original assignee: NINGBO HUACHENG VALVE CO Ltd
Current assignee: NINGBO HUACHENG VALVE CO Ltd
Priority date: 2011-03-21
Filing date: 2011-03-21
Publication date: 2011-10-05
Anticipated expiration: 2021-03-21

Abstract

The utility model provides a solar anti-freezing electromagnetic valve. The solar anti-freezing electromagnetic valve comprises a valve body with a water inlet and a water outlet, a valve core, a central shaft and an electromagnetic controller, wherein the electromagnetic controller comprises a central column, an electromagnetic coil arranged outside the central column and an armature arranged in the central column; and the upper end of the central shaft is fixedly connected with the lower end of the armature. The solar anti-freezing electromagnetic valve is characterized in that: the central column and the central shaft are positioned on the same axial line; the upper end of the central column is fixed on a framework of the electromagnetic controller through a nut; an air inlet hole is formed on the upper part of the central column and communicated with an air inlet of the nut; an up-and-down movable plug is arranged between the air inlet hole of the central column and the air inlet of the nut; a through hole is formed in the central shaft and communicated with the water inlet and the central column; and when the electromagnetic valve is closed and a water valve is opened, the plug is separated from the air inlet of the nut, and the air inlet is communicated with the water inlet to form an air inlet system. The solar anti-freezing electromagnetic valve has a compact structure and is easy to operate; and in the cold winter, a water transmission pipeline of a solar water heater can be prevented from being frozen to plug or frozen to crack.

Description

The antifreezing solar energy solenoid valve

Technical field

The utility model relates to the control valve for fluids field, relates in particular to a kind of antifreezing solar energy solenoid valve.

Background technique

At present in the pipelines of solar water heater that uses, the Shang Shui of solar water heater, following water are same pipe, the water heater outlet port is connected with a ball valve, under the normal water supply situation, ball valve is in opening state, during for water supply of water heater, the cut-off valve that is connected with cold water pipe is opened, because the hydraulic pressure that supplies water is greater than the pressure in the water heater, and can normal water supply, when water supply pressure is not enough, because safety check is arranged, the water in the water heater can not flow backwards yet, after the water in the water heater is full of, close cut-off valve, just can use hot water.

But, use the solar water heater ubiquity of this pipeline two problems: the one, people are when more need warm hot water the winter of cold, but can not use, mainly be because cold winter, the supply channel of solar water heater might freeze with the upper part on the roof, bursting by freezing, cause pipeline to leak or solar water heater in water be plugged, be unable to come down; The 2nd, too many with water in the water transport pipeline behind the solar water, when reusing water not hot in the water transport pipeline being bled off is a kind of waste.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of its compact structure, reasonable in design, simple to operate at the above-mentioned state of the art, prevents that in the winter of cold the solar water heater water transport pipeline is frozen to block, the antifreezing solar energy solenoid valve of bursting by freezing.

The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of antifreezing solar energy solenoid valve, be located at the outlet port of water heater, comprise valve body, spool, central shaft and electromagnetic controller as valve rod, wherein valve body comprises valve gap and valve seat, be respectively equipped with water outlet that communicates with water tank and the water intake that joins with water pipe on the valve body, spool is installed in the valve body, electromagnetic controller is fixed on the valve gap, described electromagnetic controller comprises newel, be located at the outer electromagnetic coil of newel and be located at the interior armature of newel, fixedly connected with the lower end of armature in described central shaft upper end, by moving up and down of armature, realize the open and close of spool, it is characterized in that: described newel and central shaft are on same axis, the upper end of described newel is fixed on the framework of electromagnetic controller by nut, form an inlet hole communicates with the suction port of nut on the top of newel, newel inlet hole and the suction port of nut between be provided with a plug movable up and down, have through hole and water intake on the described central shaft, the newel inlet hole communicates, at closed electromagnetic valve, when opening with water valve, described plug separates with the nut suction port, the newel suction port formation gas handling system that is connected with water intake.

As improvement, the upper end of described armature is inserted in the below of newel, between armature and newel inwall, be provided with the gap, the upper inside wall of described newel is shaped to bulge loop along the lower limb of inlet hole, the upper end of described armature is equipped with the sealing gasket that cooperates with bulge loop, when moving on the armature of energising back, sealing gasket and bulge loop are involutory, and the newel inlet hole is sealed.

As improvement, the top of described newel has a groove and communicates with inlet hole, and the bottom of plug is inserted in the inlet hole, and the top of plug is located in the groove, and plug can be up and downly and the suction port fitted seal of nut.

Improve, the epimere outside of described central shaft has an annular groove again, in be provided with an O RunddichtringO that seals mutually with the inwall of valve gap, the top of the sidepiece of central shaft, O RunddichtringO is located in the upper shed of the through hole of described central shaft.

Improve " T " font that described plug adopts rubber material to make again.

Further improve, be lined with the O RunddichtringO between the top outer of described newel and the nut and seal.

At last, between described electromagnetic controller and the valve gap by being threaded, and by the sealing of O type circle.

Compared with prior art, advantage of the present utility model is: offer inlet hole on the newel of solenoid valve, through hole is offered at center at central shaft, and between the suction port of inlet hole and nut, plug is installed, make when closed electromagnetic valve, use water valve as long as open, pipeline inner pressure will descend, plug separates with suction port, air enters the water emptying in the pipeline, the utility model is compact structure, reasonable in design not only, can prevent that in the winter of cold the solar water heater water transport pipeline is frozen to block, bursting by freezing; And easy to operate, can not influence the use of product because of atrocious weather in the indoor telecontrol of carrying out.

Description of drawings

Fig. 1 is a structure sectional view of the present utility model;

Fig. 2 is a plan view of the present utility model;

Fig. 3 is installed in pipe-line layout plan in the solar water heater for the utility model.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in the figure, a kind of antifreezing solar energy solenoid valve 100, be located at the outlet port of water heater, comprise valve body 1, spool 2, central shaft 4 and electromagnetic controller 3 as valve rod, wherein valve body 1 comprises valve gap 12 and valve seat 11, valve gap 12 seals by O RunddichtringO 13 with valve seat 11 involutory backs, be respectively equipped with water outlet 15 that communicates with water tank and the water intake 14 that joins with water pipe on the valve body 1, spool 2 is installed in the valve body 1, the hypomere of central shaft 4 is fixed with pressure cap 22 by clamping plate 24 and packing ring 21, pressure cap 22 lower ends are inlayed and are fixed with sealing gasket 23, constitute spool 2, center hole fitted seal with valve seat 11, fixedly connected with armature 31 lower ends of electromagnetic controller 3 in the upper end of central shaft 4, by moving up and down of armature 31, realize the open and close of spool 2, have through hole 41 at the center of central shaft 4, the epimere outside of central shaft 4 has an annular groove, in be provided with an O RunddichtringO 7 that seals mutually with the inwall of valve gap 12, the sidepiece of central shaft 4 is located in the upper shed of the through hole 41 of described central shaft 4, the top of O RunddichtringO 7; Described electromagnetic controller 3 is fixed on the valve gap 12, with valve gap 12 by being threaded, and by 8 sealings of O type circle.Described electromagnetic controller 3 comprises newel 32, be located at the outer electromagnetic coil 33 of newel 32 and be located at armature 31 in the newel 32, described newel 32 and central shaft 4 are on same axis, the upper end of described armature 31 is inserted in the below holding cavity of newel 32, between armature 31 and newel 32 inwalls, be provided with the gap, the upper end of described newel 32 is fixed on the framework 34 of electric controller 3 by nut 6, being lined with O RunddichtringO 9 between the top outer of described newel 32 and the nut 6 seals, form an inlet hole 321 communicates with the suction port 61 of nut 6 in the central upper portion position of newel 32, have a groove communicates with inlet hole 321 on the top of newel 32, be provided with the plug movable up and down 5 that a usefulness rubber material is made in the groove, described plug 5 is " T " font, the bottom of plug 5 is inserted in the inlet hole 321, the top of plug 5 is located in the groove, plug 5 can be located in the inlet hole 321 up and downly, and is sealed and matched between the suction port 61 of nut 6; At closed electromagnetic valve, when opening with water valve, described plug 5 separates with the suction port 61 of nut 6, form the passage that air flows between the through hole 41 of the inlet hole 321 of the suction port 61 of nut 6, newel 32 and central shaft 4, make liquid emptying in the pipeline; Be shaped to bulge loop 322 in the upper inside wall of described newel 32 along the lower limb of inlet hole 321, the upper end of described armature 31 is equipped with the sealing gasket 311 that cooperates with bulge loop 322, when electromagnetic coil 33 energisings, under the effect of electromagnetic force, move on the armature 31, sealing gasket 311 is involutory with bulge loop 322, with inlet hole 321 sealings.

It is such that the utility model is installed on the pipe-line in the solar water heater, antifreezing solar energy solenoid valve 100 is connected between solar water container 101 and the hot-water line, be connected with on the hot-water line with water valve 102, hot-water line is connected cold water pipe by behind safety check 103 and the cut-off valve 104.

Working principle is such: when normal the use, and the solenoid valve energising, electromagnetic actuation under the effect of electromagnetic force, moves on the armature 31, when driving on the central shaft 4, makes valve opening, the energy normal water supply; In the winter of cold, cut off solenoid valve, valve closing, at this moment, the water in the water heater just can be again toward not dirty; If open the water valve of using in downstream again, under the effect of gravity, a part of water in the pipeline will flow out from intake pipe 14, and pipeline inner pressure descends, at this moment, the effect that plug 5 on the solenoid valve is stressed moves down, and with suction port 61 disengagings of nut 6, the suction port 61 of nut 6 communicates with water intake 14 like this, impel the water emptying in the pipeline, avoided the winter of pipeline in cold, the roof freezes with the upper part, the generation of bursting by freezing.

The employing Electromagnetic Control of valve of the present utility model can not influence the use of product because of atrocious weather in the indoor telecontrol of carrying out.

Claims

1. antifreezing solar energy solenoid valve, it comprises valve body, spool, central shaft and electromagnetic controller as valve rod, wherein valve body comprises valve gap and valve seat, be respectively equipped with water outlet that communicates with water tank and the water intake that joins with water pipe on the valve body, spool is installed in the valve body, electromagnetic controller is fixed on the valve gap, described electromagnetic controller comprises newel, be located at the outer electromagnetic coil of newel and be located at the interior armature of newel, fixedly connected with the lower end of armature in described central shaft upper end, by moving up and down of armature, realize the open and close of spool, it is characterized in that:

Described newel and central shaft are on same axis, the upper end of described newel is fixed on the framework of electromagnetic controller by nut, form an inlet hole communicates with the suction port of nut on the top of newel, newel inlet hole and the suction port of nut between be provided with a plug movable up and down, having through hole on the described central shaft communicates with water intake, newel inlet hole, at closed electromagnetic valve, when opening with water valve, described plug separates with the nut suction port, the nut suction port formation gas handling system that is connected with water intake.

2. antifreezing solar energy solenoid valve according to claim 1, it is characterized in that the upper end of described armature is inserted in the below of newel, between armature and newel inwall, be provided with the gap, the upper inside wall of described newel is shaped to bulge loop along the lower limb of inlet hole, the upper end of described armature is equipped with the sealing gasket that cooperates with bulge loop, when moving on the armature of energising back, sealing gasket and bulge loop are involutory, and the newel inlet hole is sealed.

3. antifreezing solar energy solenoid valve according to claim 1, the top that it is characterized in that described newel has a groove and communicates with inlet hole, the bottom of plug is inserted in the inlet hole, and the top of plug is located in the groove, and plug can be up and downly and the suction port fitted seal of nut.

4. antifreezing solar energy solenoid valve according to claim 1, the epimere outside that it is characterized in that described central shaft has an annular groove, in be provided with an O RunddichtringO that seals mutually with the inwall of valve gap, the top of the sidepiece of central shaft, O RunddichtringO is located in the upper shed of the through hole of described central shaft.

5. antifreezing solar energy solenoid valve according to claim 3 is characterized in that " T " font that described plug adopts rubber material to make.

6. antifreezing solar energy solenoid valve according to claim 1 is characterized in that being lined with the O RunddichtringO between the top outer of described newel and the nut seals.

7. antifreezing solar energy solenoid valve according to claim 1 is characterized in that between described electromagnetic controller and the valve gap by being threaded, and by the sealing of O type circle.