CN201462080U

CN201462080U - Water control valve

Info

Publication number: CN201462080U
Application number: CN2009201113355U
Authority: CN
Inventors: 余玉存
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-29
Filing date: 2009-04-29
Publication date: 2010-05-12
Anticipated expiration: 2019-04-29

Abstract

A water control valve relates to a solar energy water control valve. Aiming to solve the problems that water is accumulated in a solar energy water heating tube and required to be exhausted before reuse and water resource is wasted, the utility model provides a water control valve, which includes an upper communication pipe, a bypass pipe, a sealed pipe and a lower communication pipe. Valve cores are nested in the bypass pipe and the sealed pipe, and respectively include a front valve cover, a rear valve cover and a mandrel; a limiting stopper is arranged in the sealed pipe, and a pressure relief port is formed on the rear valve cover; and an end cover and a return spring are arranged in front of the front valve cover. When in use, upper and lower cool water valves and a lower hot water valve are opened, cool water passes through a lower cool water pipe, the bypass tube pushes the valve cores to slide, the lower communication pipe is communicated, and hot water can flow out from a shower pipe; and after the use, the upper and the lower cool water valves are closed, the valve core move backwards, the lower communication pipe is closed, and the water in the lower hot water pipe flows out under the action of gravity.

Description

A kind of water control valve

Technical field

The utility model belongs to liquid control valve gate technique field, particularly a kind of solar heat storage water tank water flowing control valve.

Background technique

Prior solar water heater in use, the heat storage tank hot-water line need be caused in the user family, and hot-water line and cold water pipe be connected on the three-way pipe, on another pipe of three-way pipe, shower is installed, water valve and cold valves are set respectively on hot-water line and cold water pipe, can adjust mixing warm water for the spray use by opening water valve and cold valves, this device can be detained in using the back hot-water line ponding, this water that accumulates cools off before using next time, need earlier it to be bled off, just can use hot water, this drainage pattern causes the significant wastage of water resources, and is especially unfavorable to the bottom house.

The model utility content

For solving in the prior solar water heater hot-water line ponding is arranged, need drain when reusing, cause the problem of water resource waste, the utility model provides a kind of water control valve, and its embodiment is as follows:

A kind of water control valve, this water control valve comprise a four-way pipe, and four-way pipe comprises siphunculus, bypass tube, sealed tube and lower through-tube, and bypass tube axle center and sealed tube axle center are positioned at same straight line, and lower through-tube is positioned at the sealed tube sidewall; Be set with spool in bypass tube and the sealed tube, spool comprises preceding valve gap that is positioned at sealed tube and the back valve gap that is positioned at bypass tube, is connected with mandrel between preceding valve gap and the back valve gap, and the mandrel sectional area is less than preceding valve gap sectional area and back valve gap sectional area; The sealed tube of valve gap inboard is provided with limiting stopper before being arranged in, and on the back valve gap relief hole is arranged; There is end cap the sealed tube outer end, between the valve gap return spring is arranged before end cap and the spool.

The working procedure of this water control valve is as follows:

During use, the last siphunculus of water control valve is connected with the last hot-water line of solar heat storage water tank, last cold water pipe in the user family is connected with the bypass tube of water control valve, the cold water pipe valve is installed on the last cold water pipe, lower through-tube causes in the user family by following hot-water line, following cold water pipe in following hot-water line and the user family is connected on the three-way pipe, on another pipe of three-way pipe shower is installed, and water valve and following cold valves are set down respectively on following hot-water line and the following cold water pipe;

Under off working state, hot water in the heat storage tank enters in the siphunculus, because the last cold water pipe valve closing in the user family, hot water can't promote back valve gap motion, simultaneously because the effect of return spring in the sealed tube, valve gap motion before hot water also can't promote, spool is in the state of rest under the equilibrium of forces;

When needing water, the upper and lower cold valves of opening in the user family reaches water valve down, cold water is through cold water pipe, bypass tube promotion spool slide to the sealed tube direction down, preceding valve gap compression retracteding position spring moves to end caps, when current valve gap is crossed lower through-tube, the lower through-tube conducting, the hot water that flows into from last siphunculus enters down hot-water line through lower through-tube, and the cold water that enters merges into warm water in three-way pipe and in the play cold water pipe, from the shower outflow for use;

After using warm water to finish, close upper and lower cold valves, the pressure in the back valve gap outside disappears, under the promotion of return spring, spool moves to the bypass tube direction, because there is relief hole the back on the valve gap, back valve gap can be got back in the bypass tube once more, when spool moves to limited when blocking, spool is got back to state of rest once more, lower through-tube is blocked, and the water in the following hot-water line flows out from shower under action of gravity, closes down water valve.

When next work cycle begins, the upper and lower cold valves of opening in the user family reaches water valve down, owing to not having ponding in the hot-water line down, has only air, therefore the hot water in the solar heat storage water tank is behind last siphunculus, lower through-tube and following hot-water line, air is wherein discharged, can flow out from shower.

Compare with traditional solar heat storage water tank water drainage-supply system, the utility model can be saved great lot of water resources.

As preferred version of the present utility model, the sealed tube outer end is provided with internal thread, and the end cap periphery has outside thread, and end cap and sealed tube are by being threaded; Also be provided with the silk axle between end cap and the return spring, silk axle and sealed tube are by being threaded, on the silk axle regulating tank is arranged, the water control valve of this structure, by regulating the amount of feed of silk axle in sealed tube, can adjust the position of return spring in sealed tube, to adapt to from the requirement of the back different cold water pressures that apply of valve gap.

As further preferred version of the present utility model, be provided with seal ring between preceding valve gap and the limiting stopper, seal ring can not play siphunculus effect in the sealing during conducting at the lower through-tube of water control valve; Be provided with seal ring on the preceding valve gap of spool and the back valve gap, make seal spool better.

As further preferred version of the present utility model, all there is outside thread at last siphunculus, bypass tube, lower through-tube mouth of pipe place, make its can with peripheral unit by the installation that is threaded.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

Fig. 1 is the plan view of a kind of water control valve of the utility model;

Fig. 2 is a water control valve user mode reference drawing.

Embodiment

A kind of water control valve as depicted in figs. 1 and 2, comprise a four-way pipe 3, four-way pipe 3 comprises siphunculus 5, bypass tube 6, sealed tube 11 and lower through-tube 8, bypass tube 6 axle center and sealed tube 11 axle center are positioned at same straight line, lower through-tube 8 is positioned at sealed tube 11 sidewalls, and all there is outside thread at siphunculus 5, bypass tube 6, lower through-tube 8 mouth of pipe places;

Be set with spool 24 in bypass tube 6 and the sealed tube 11, spool 24 comprises preceding valve gap 1 that is positioned at sealed tube 11 and the back valve gap 7 that is positioned at bypass tube 6, be connected with mandrel 4 between preceding valve gap 1 and the back valve gap 7, mandrel 4 sectional areas are less than preceding valve gap 1 sectional area and back valve gap 7 sectional areas; The sealed tube 11 of valve gap 1 inboard is provided with limiting stopper 25 before being arranged in, and is provided with seal ring 26 between preceding valve gap 1 and the limiting stopper 25, on the back valve gap 7 relief hole 27 is arranged, and is provided with seal ring 2 on the preceding valve gap 1 of spool 24 and the back valve gap 7;

There is end cap 10 sealed tube 11 outer ends, sealed tube 11 outer ends are provided with internal thread, end cap 10 peripheries have outside thread, end cap 10 and sealed tube 11 are by being threaded, between the valve gap 1 return spring 9 is arranged before end cap 10 and the spool 24, also be provided with silk axle 12 between end cap 10 and the return spring 9, silk axle 12 and sealed tube 11 be by being threaded, and on the silk spools 12 regulating tank 28 arranged.

The working procedure of this water control valve is as follows:

During use, the last siphunculus 5 of water control valve is connected with the last hot-water line 15 of solar heat storage water tank, last cold water pipe 17 in the user family is connected with the bypass tube 6 of water control valve, last cold water pipe valve 18 is arranged on the last cold water pipe 17, lower through-tube 8 causes in the user family by following hot-water line 29, following cold water pipe 19 in following hot-water line 29 and the user family is connected on the three-way pipe 21, shower 22 is installed on another pipe of three-way pipe 21, water valve 23 and following cold valves 20 are set down respectively on following hot-water line 29 and the following cold water pipe 19;

Under off working state, hot water 13 in the heat storage tank 14 enters in the siphunculus 5, because the last cold valves 18 in the user family is closed, hot water 13 can't promote back valve gap 7 and move, this moment, back valve gap 7 was arranged in Fig. 2 C place, and simultaneously owing to the effect of return spring 9 in the sealed tube 11, valve gap 1 moved before hot water 13 also can't promote, valve gap 1 is arranged in Fig. 2 A place before this moment, and spool 3 is in the state of rest under the equilibrium of forces;

When needing water, open in the user family on, following cold valves 18,20 reach water valve 23 down, cold water 16 warps are cold water pipe 19 down, bypass tube 6 promotes spool 3 and slides to sealed tube 11 directions, preceding valve gap 1 compression retracteding position spring 9 moves to end cap 10 places, (D place at this moment back valve gap 7 bitmaps 2 when current valve gap 1 is crossed lower through-tube 8, preceding valve gap 1 is positioned at the B place), lower through-tube 8 conductings, the hot water 13 that flows into from last siphunculus 5 enters down hot-water line 29 through lower through-tube 8, and in three-way pipe 21, merge into warm water with the cold water that from following cold water pipe 19, enters, flow out for use from shower 22;

After finishing using, close upper and lower cold valves 18,20, the pressure in back valve gap 7 outsides disappears, under the promotion of return spring 9, spool 3 moves to bypass tube 6 directions, because there is relief hole 27 back on the valve gap 7, back valve gap 7 can be pushed back in the bypass tube 6 once more, when spool 3 moves to sealed circle 26 and blocks, spool 3 is got back to state of rest once more, lower through-tube 8 is blocked, and the water in the following hot-water line 29 flows out from shower 22 under action of gravity, closes down water valve 23.

When next work cycle begins, the upper and lower cold valves of opening in the user family 18,19 reaches water valve 23 down, owing to not having ponding in the hot-water line 29 down, has only air, therefore the hot water 13 in the solar heat storage water tank 14 is behind last siphunculus 5, lower through-tube 8 and following hot-water line 29, air is wherein discharged, can flow out from shower 22.

Claims

1. water control valve, it is characterized in that: this water control valve comprises a four-way pipe (3), four-way pipe (3) comprises siphunculus (5), bypass tube (6), sealed tube (11) and lower through-tube (8), bypass tube (6) axle center and sealed tube (11) axle center are positioned at same straight line, and lower through-tube (8) is positioned at sealed tube (11) sidewall; Be set with spool (24) in bypass tube (6) and the sealed tube (11), spool (24) comprises preceding valve gap (1) that is positioned at sealed tube (11) and the back valve gap (7) that is positioned at bypass tube (6), be connected with mandrel (4) between preceding valve gap (1) and the back valve gap (7), mandrel (4) sectional area is less than preceding valve gap (1) sectional area and back valve gap (7) sectional area; Be arranged in the inboard sealed tube (11) of preceding valve gap (1) and be provided with limiting stopper (25), relief hole (27) is arranged on the back valve gap (7); There is end cap (10) sealed tube (11) outer end, between end cap (10) and the preceding valve gap of spool (24) (1) return spring (9) is arranged.

2. a kind of water control valve according to claim 1 is characterized in that: described sealed tube (11) outer end is provided with internal thread, and end cap (10) periphery has outside thread, and end cap (10) and sealed tube (11) are by being threaded; Also be provided with silk axle (12) between end cap (10) and the return spring (9), silk axle (12) and sealed tube (11) are by being threaded, and silk has regulating tank (28) on spool (12).

3. a kind of water control valve according to claim 2 is characterized in that: be provided with seal ring (26) between valve gap (1) and the limiting stopper (25) before described, be provided with seal ring (2) on the preceding valve gap (1) of spool (24) and the back valve gap (7).

4. a kind of water control valve according to claim 3 is characterized in that: all there is outside thread at described upward siphunculus (5), bypass tube (6), lower through-tube (8) mouth of pipe place.