CN2893546Y

CN2893546Y - Water-feed self-controlling device for solar water heater

Info

Publication number: CN2893546Y
Application number: CNU2006200725721U
Authority: CN
Inventors: 仲崇信
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-19
Filing date: 2006-04-19
Publication date: 2007-04-25
Anticipated expiration: 2016-04-19

Abstract

A water up-flow self-controlled device of solar water heater is provided. The utility model relates to a control device of solar water heater, in particular to a water up-flow control device of solar water heater. The water up-flow self-controlled device of solar water heater of this utility model is connected between a water tank and a water pipe, including a valve box, a float valve in the valve box and an one-way valve that is arranged on the water outlet of the water tank, the outlet of the one-way valve is connected with the water pipe and the water inlet of the valve box, the inlet of the one-way valve is connected with the water tank, the water inlet hole of the valve box is provided with the float valve, and the water outlet of the valve box is connected with the water tank. The utility model changes the water injection mode of the water flow entering the water tank directly and makes the water flow enter into a water level control device, thus, the device can prevent the continuous entering of the water flow; when in use of the water, the valve is one-way controlled for conduction. The structure of the utility model is compact, the cost is low and the reliability is high; the utility model can realize the emptying and frost proof of the water tank and the pipes.

Description

The last water self-con-tained unit of solar water heater

Technical field

The utility model relates to a kind of control device of solar water heater, relates in particular to a kind of last water controller of solar water heater.

Background technology

At present, domestic solar water heater's water tank is provided with water injection pipe and overflow pipe, and when water level reached the spilling water mouth of pipe, overflow pipe was toward the user side spilling water, and at this moment, water tank reaches designated water level, and the user closes Water injection tap.During water filling, need monitor that wait is closed, otherwise may waste a large amount of water by the people.The solar water heater manufacturer is arranged now, produce a kind of secondary water tank that is contained on the main water box, secondary water tank directly is communicated with water pipe, establishes water-level control apparatus in secondary water tank, can realize that the water in the solar water heater water tank is in the automatic water supplement control of full-water level state all the time; The advantage of this solar water heater is to realize water level control, makes cistern water level be in setting height all the time; Shortcoming is that this kind control structure takes up space greatly, needs a multi-link upper hose, and secondary water tank needs insulation, the cost height, and price is expensive.

Summary of the invention

For overcoming above defective, the utility model provide a kind of can realize water level in the water tank when reaching predetermined altitude, stop water into solar water heater on the water self-con-tained unit

The last water self-con-tained unit of solar water heater of the present utility model, be connected between water tank and the water pipe, it comprises the ball-cock assembly in valve cap, the valve cap and is located at the one-way cock of water outlet of water tank, the outlet of one-way cock connects the inlet opening of water pipe and valve cap, the import of one-way cock connects water tank, ball-cock assembly is established in the inlet opening of valve cap, and the apopore of valve cap connects water tank, and the waterline scale is consistent with the height of cistern water level line scale.

Described valve cap inner float ball valve comprises a staving, is connected with a lid with this staving, and lid is established mesopore, wears a bar in the hole, and the two ends of bar are connected with sealing ring respectively, and the top of bar connects a ball float, and the bucket chamber of the inlet opening of valve cap and ball-cock assembly is by a cross current.

Described water pipe is established a plate in the termination of stretching into staving, establishes some apertures on this plate.

Described one-way cock, valve body are tubulose, and the wall of valve body is provided with at least one side pipe that is communicated with valve pocket, in the valve body tube chamber, establish a stepped hole, on the valve body wall of the lumen, and the hinged valve block of a side of corresponding side pipe, this valve block cooperates above-mentioned stepped hole.

Described side pipe axis normal is in valve axis, and the end face of the corresponding stepped hole of described valve block is provided with the ring packing pad.

Self-con-tained unit of the present utility model has changed the water flooding regime that current directly enter water tank, and current are changed its course to be entered in the water-level control apparatus, and this device is communicated with water tank, the water level unanimity, and when water level reached predetermined water level, this device can stop current to continue to enter; When water, the conducting of one-way control valve door.Compact conformation of the present utility model, at the bottom of the cost, the reliability height; In conjunction with the control use of water down, can realize holding the evacuation and anti-freezing of water tank and pipeline.

Description of drawings

Fig. 1 is a structural representation of the present utility model

1 is waterline among the figure, the 2nd, and water tank, the 3rd, water pipe, the 4th, valve cap, the 5th, ball float, the 6th, staving, the 7th, pipe, the 8th, water pipe, the 9th, one-way control valve;

Fig. 2 is the structural representation of valve cap

10 is lids of valve cap among the figure, the 11st, and sealing ring, the 12nd, bung, the 13rd, plate, the 14th, staving, the 15th, the pipe of joining water box;

Fig. 3 is the structural representation of check valve

16 is side pipes among the figure, the 17th, and jointed shaft, the 18th, gasket seal, the 19th, valve block, the 20th, stepped hole in the valve body, the 21st, valve body.

The specific embodiment

Water tank 2 and user side are connected with water pipe 8, self-con-tained unit comprises the control piece in the valve cap 4, valve cap 4 and is connected one-way control valve door 9 on the water pipe 8, one-way control valve door 9 connects the water inlet of valve cap 4, the staving 6 that connects ball-cock assembly on the bottom surface of valve cap 4, pipe 7 stretches into staving 6, a plate 13 is established on the top of pipe 7, lays some apertures, 13 throttling actions of this plate on the plate 13.Valve cap 4 is connected by a pipeline 3 with water tank 2, also is provided with breather pipe on the pipeline 3, and the height of the breather pipe mouth of pipe is higher than the waterline of water tank 2.

Bucket 6 comprises staving 14 and lid 12, and lid 12 is provided with mesopore, wears a bar in the hole, the part of bar in staving 6, be connected with coaxial sealing ring 11 on the shaft, the part of bar outside staving 6 also is connected with same sealing ring 11, the top of bar connects a ball float 5, when waterline rose to setting height, ball float 5 floated, and moves on the bar, the mesopore of the upper surface closing cap 12 of bar lower end sealing ring 11 utilizes hydraulic pressure to seal again.

On the wall of valve body 21, establish the side pipe 16 of axis normal in valve body 21 axis, side pipe 16 is communicated with valve body 21 internal channels, in the tube chamber of valve body 21, establish a stepped hole 20, this stepped hole 20 is provided with an end face perpendicular to valve body 21 axis, to establishing a valve block 19 by stepped hole 20, the part of valve block 19 and stepped hole 20 matched in clearance, also establish the diameter step circle of diameter on the valve block 19 greater than the hole, the end face of corresponding above-mentioned stepped hole 20 end faces of this step circle is perpendicular to valve body 21 axis, this end face is provided with gasket seal 18, establish boss on the cylindrical of valve block 19 steps circle, establish the hinge hole of an axis normal on the boss in valve body 21 axis, valve body 21 is provided with corresponding jointed shaft 17, and valve block 19 is hinged by jointed shaft 17 with valve body 21.The mouth at valve body 21 two ends is established internal thread or external screw thread, and the mouth of side pipe 16 is established external screw thread or internal thread.

Be convenient installation and maintenance to the control piece in the valve cap 4, valve cap 4 is established a lid, and the top of valve cap 4 also is provided with a pore.Valve cap 4 is located at the top of water tank 2 end faces, and the waterline scale is consistent with the height of cistern water level line scale 1.

Claims

1, the last water self-con-tained unit of solar water heater, it is connected between water tank and the water pipe, it is characterized in that, it comprises the ball-cock assembly in valve cap, the valve cap and is located at the one-way cock of water outlet of water tank, the outlet of one-way cock connects the inlet opening of water pipe and valve cap, and the import of one-way cock connects water tank, and ball-cock assembly is established in the inlet opening of valve cap, the apopore of valve cap connects water tank, and the waterline scale is consistent with the height of cistern water level line scale.

2, the last water self-con-tained unit of solar water heater according to claim 1, it is characterized in that, described valve cap inner float ball valve comprises a staving, be connected with a lid with this staving, lid is established mesopore, wears a bar in the hole, and the two ends of bar are connected with sealing ring respectively, the top of bar connects a ball float, and the bucket chamber of the inlet opening of valve cap and ball-cock assembly is by a cross current.

3, the last water self-con-tained unit of solar water heater according to claim 2 is characterized in that, described water pipe is established a plate in the termination of stretching into staving, establishes some apertures on this plate.

4, the last water self-con-tained unit of solar water heater according to claim 1, it is characterized in that, described one-way cock, valve body is a tubulose, and the wall of valve body is provided with at least one side pipe that is communicated with valve pocket, in the valve body tube chamber, an if stepped hole, on the valve body wall of the lumen, the hinged valve block of a side of corresponding side pipe, this valve block cooperates above-mentioned stepped hole.

5, a kind of novel solar water heater according to claim 4 is characterized in that, described side pipe axis normal is in valve axis, and the end face of the corresponding stepped hole of described valve block is provided with the ring packing pad.