CN201706738U

CN201706738U - Overflow automatic water cut-off device for solar water heater

Info

Publication number: CN201706738U
Application number: CN201020199194XU
Authority: CN
Inventors: 董亨亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-17
Filing date: 2010-05-17
Publication date: 2011-01-12
Anticipated expiration: 2020-05-17

Abstract

The utility model discloses an overflow automatic water cut-off device for a solar water heater. The overflow automatic water cut-off device comprises an overflow pipe, a water inlet pipe, a water feeding valve, a U-shaped pipe, a floater, a water outlet pipe, a pouring weight and the like, wherein the second end of a lever is pressed against a pipe orifice at the second end of the U-shaped pipe and the water feeding valve is in an open state when the pouring weight and the lever are in a first working state; the second end of the lever leaves the pipe orifice at the second end of the U-shaped pipe and the water feeding valve is in a closed state when the pouring weight and the lever are in a second working state; and the floater is used for lifting the second end of the lever so as to drive the pouring weight and switch the lever and the pouring weight from the first working state to the second working state. The overflow automatic water cut-off device is particularly suitable for solar water heaters and has the advantages of simple structure, safe use and manual control of water feeding time.

Description

The spilling water that the is used for solar water heater device of cutting off the water automatically

Technical field

The utility model relates to a kind of spilling water device of cutting off the water automatically, especially a kind of spilling water that is used for solar water heater device of cutting off the water automatically.

Background technology

In recent years, solar water heater technical development speed is very fast, and solar water heater becomes one of daily electric equipment gradually, is numerous families and unit acceptance and use.Yet the development of the last water controlling equipment of solar water heater water storage barrel relatively lags behind, and mainly contains water on the Artificial Control, two kinds of last water management modes of the last water of automatic control equipment control at present.When adopting the Artificial Control water feeding mode, wait until that water flows out from overflow pipe during last water, after the people hears the underwater sound or observes water and overflows, close water supply valve and water on stopping, so both having wasted water, wasted the time that the user waits for water again.If the user leaves when last water, forget that then water heater goes up water, that will cause a large amount of water to be wasted.Application number provides a kind of solar water heater that adopts controls such as electromagnetic water inlet valve, spilling water electric switch, check valve and relay to go up water device of cutting off the water automatically for 03219239 utility model patent.Application number provides a kind of switch, electromagnetism box, controller etc. of adopting to control water automatic stop arrangement on the solar energy of going up water for 200820106310 utility model patent.More than two kinds of utility model patents all adopted electric equipment to control water, having needs external power supply and is subjected to problems such as electrical power limit, complex structure, equipment cost height.Application number provides water self-closing valve on a kind of solar water heater storage water tank for 02208759 utility model patent, adopt triple valve, inlet valve seat, water storage cup, float, suspension rod and conduit to wait and control water, do not adopt electric equipment, use safer, structure is also comparatively simple, but when water level in the storage tank descends and current in the water storage cup when returning storage tank, water intaking valve is promptly opened and is begun to go up water, hot water in the storage tank and the cold water of Xin Jia mix, reduce the water temperature in the storage tank, therefore had unmanageable problem of water time.Especially when using hot water to have a bath, constantly the cold water that adds will make the interior water temperature of storage tank reduce gradually, make the user can't continue to use hot water.

The utility model content

The utility model is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of spilling water that is used for solar water heater device of cutting off the water automatically is provided, and with the simplification device structure, improves device ', and realizes that artificial control goes up the purpose of water time.

The utility model be the technical solution problem by the following technical solutions.

The spilling water that the utility model the is used for solar water heater device of cutting off the water automatically, its version is that the sidewall upper of the storage tank of solar water heater is provided with overflow pipe, the water inlet pipe of described storage tank is provided with water supply valve, the spool of described water supply valve is fixedlyed connected with first end of the switch lever of water supply valve, and described switch lever is used to control spool opening/closing water supply valve;

Design feature of the present utility model is that the delivery port of described overflow pipe connects U-shaped pipe first end, is provided with float in the body of described U-shaped pipe second end, is connected with outlet pipe on the sidewall of the body of described U-shaped pipe second end; Second end of described switch lever is connected with pouring weight; Pouring weight is connected with first end of lever; When pouring weight and lever were in first duty, second end of described lever was taken on the mouth of pipe that is against U-shaped pipe second end, and water supply valve is in open mode; When pouring weight and lever were in second duty, second end of described lever left the mouth of pipe of U-shaped pipe second end, and water supply valve is in closed condition; Described float is used for when the storage tank spilling water, and second end of jack-up lever also drives pouring weight, makes lever and pouring weight change to second duty from first duty.

Cut off the water the automatically design feature of device of the spilling water that the utility model is used for solar water heater also is:

The deviation of gravity center of described pouring weight is in the connecting portion of pouring weight and switch lever second end.

Second end of described switch lever is prismatic, and pouring weight is provided with prismatic hole, and the prism end of described switch lever is plugged in the described prismatic hole.

Described pouring weight is a trapezoid block, and when first duty, trapezoid block is in inversion state; When trapezoid block was in described inversion state, the little head end of trapezoid block down; Described prismatic hole is arranged at little head end one side of trapezoid block, and on the cross section of described trapezoid block, cross section, prismatic hole is a polygon, and described polygonal center of gravity is positioned on the perpendicular bisector on trapezoidal base.

Described float is the hollow cylinder pipe of closed at both ends.

Also be provided with check valve on the described water inlet pipe.

Compared with the prior art, the utility model beneficial effect is embodied in:

1, in the utility model, when in the storage tank during topped up with water, water flows out from overflow pipe, inject the U-shaped pipe from U-shaped pipe first end, buoyancy of water and pressure make float float, and float jack-up is taken the lever that is against the mouth of pipe, the pouring weight of fixedlying connected with lever first end rotates and centre-of gravity shift, then pouring weight is being rotated further under the effect of gravity, and lever and pouring weight are changed to second duty from first duty, thereby water supply valve is closed.The utility model adopts parts such as U-shaped pipe, float, pouring weight, and electrical equipment is not set, and is not subjected to electrical power limit, have simple in structure, cost is low, advantage such as easy to operate, safe in utilization; Because of pouring weight can not automatically revert to first duty when second duty, therefore water supply valve is closed back being opened just by the user and can be gone up water once more, the last water time is controlled voluntarily by the user, has solved the problem that adds cold water automatically after the storage tank middle water level descends and reduce water temperature.Also be provided with check valve on the water inlet pipe, can avoid the hot water in the storage tank to be back in the water inlet pipe.

2, the utility model is particularly useful for solar water heater.

Description of drawings

Fig. 1 is pouring weight of the present utility model, the front view when lever is in first duty.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is pouring weight of the present utility model, the front view when lever is in second duty.

Number in the figure: 1 storage tank, 2 overflow pipes, 3U shape pipe, 31U shape is managed first end, and 32U shape is managed second end, 4 outlet pipes, 5 floats, 6 levers, 7 pouring weights, 8 water inlet pipes, 9 water supply valves, 91 switch levers, 10 check valves.

The specific embodiment

Referring to Fig. 1, Fig. 2 and Fig. 3, the spilling water that the is used for solar water heater device of cutting off the water automatically, the sidewall upper of the storage tank 1 of solar water heater is provided with overflow pipe 2, the water inlet pipe 8 of storage tank 1 is provided with water supply valve 9, the spool of water supply valve 9 is fixedlyed connected with first end of the switch lever 91 of water supply valve 9, switch lever 91 is used to control spool opening/closing water supply valve 9, the delivery port that it is characterized in that overflow pipe 2 connects U-shaped pipe first end 31, be provided with float 5 in the body of U-shaped pipe second end 32, be connected with outlet pipe 4 on the sidewall of the body of U-shaped pipe second end 32; Second end of switch lever 91 is connected with pouring weight 7; Pouring weight 7 is connected with first end of lever 6; When pouring weight 7 and lever 6 were in first duty, second end of lever 6 was taken on the mouth of pipe that is against U-shaped pipe second end 32, and water supply valve 9 is in open mode; When pouring weight 7 and lever 6 were in second duty, second end of lever 6 left the mouth of pipe of U-shaped pipe second end 32, and water supply valve 9 is in closed condition; Float 5 is used for when storage tank 1 spilling water, and second end of jack-up lever 6 also drives pouring weight 7, makes lever 6 and pouring weight 7 change to second duty from first duty.The deviation of gravity center of pouring weight is in pouring weight 7 connecting portion with switch lever 91 second ends, and meaning is that the center of gravity of pouring weight 7 is not on the connecting portion of second end of switch lever 91 and pouring weight 7.Second end of switch lever 91 is prismatic, and pouring weight 7 is provided with prismatic hole, and the prism end of switch lever 91 is plugged in the prismatic hole, and after prismatic end inserted prismatic hole, this prism end can not rotate with respect to prismatic hole in prismatic hole.Pouring weight 7 is a trapezoid block, and when first duty, trapezoid block is in inversion state; When trapezoid block was in inversion state, the little head end of trapezoid block down; Prismatic hole is arranged at little head end one side of trapezoid block, and on the cross section of trapezoid block, cross section, prismatic hole is a polygon, and polygonal center of gravity is positioned on the perpendicular bisector on trapezoidal base.Float 5 is the hollow cylinder pipe of closed at both ends.Also be provided with check valve 10 on the water inlet pipe 8.

During concrete enforcement, water supply valve is selected type hand water valve commonly used, and spool is connected with switch lever, by rotating switch bar control spool, realizes the opening and closing of valve.Pouring weight is selected iron block for use, and lever is selected iron for use, and lever and iron block weld together.The preferred non-equilateral triangle of the cross sectional shape of the prism end of switch lever, the cross section in the prismatic hole on the corresponding pouring weight also is preferably similar non-equilateral triangle, when this triangular styletable and this tri-prism hole are pegged graft thus, has only a kind of inserting mode, during with the assurance valve open, lever can be taken on the mouth of pipe that is against U-shaped pipe second end just.Float is the hollow cylinder pipe of closed at both ends, preferred hollow lucite tube.

After the user opened water supply valve, when the water level in the storage tank was increased to overflow pipe gradually, water flowed out from the delivery port of overflow pipe, and injects the U-shaped pipe from U-shaped pipe first end.According to law of connected vessels, the water level at U-shaped pipe two ends will be maintained at the same horizontal plane.The cylindrical float that U-shaped pipe second end is provided with, owing to buoyancy of water and pressure rise, the float that rises is against jack-up taking on the lever of the mouth of pipe, lever second end lifts, the pouring weight of fixedlying connected with lever first end rotates and centre-of gravity shift, then pouring weight is being rotated further under the effect of gravity, and lever and pouring weight are changed to second duty from first duty, thereby water supply valve is closed.Pouring weight after the rotation can not changed to second duty from first duty automatically owing to the effect of deadweight.The utility model adopts common components such as U-shaped pipe, float, pouring weight, and electrical equipment is not set, and is not subjected to electrical power limit, have simple in structure, cost is low, advantage such as easy to operate, safe in utilization.Because of pouring weight can not automatically revert to first duty when second duty, therefore water supply valve is closed back being opened just by the user and can be gone up water once more, the last water time is controlled voluntarily by the user, has solved the problem that adds cold water automatically after the storage tank middle water level descends and reduce water temperature.Check valve on the water inlet pipe can avoid the hot water in the storage tank to be back in the water inlet pipe.

The utility model is particularly useful for solar water heater, also can be used for the device that other need be cut off the water automatically and manually water is gone up in control.

Claims

1. the spilling water that the is used for solar water heater device of cutting off the water automatically, the sidewall upper of the storage tank of solar water heater (1) is provided with overflow pipe (2), the water inlet pipe (8) of described storage tank (1) is provided with water supply valve (9), the spool of described water supply valve (9) is fixedlyed connected with first end of the switch lever (91) of water supply valve (9), described switch lever (91) is used to control spool opening/closing water supply valve (9), the delivery port that it is characterized in that described overflow pipe (2) connects U-shaped pipe first end (31), be provided with float (5) in the body of described U-shaped pipe second end (32), be connected with outlet pipe (4) on the sidewall of the body of described U-shaped pipe second end (32); Second end of described switch lever (91) is connected with pouring weight (7); Pouring weight (7) is connected with first end of lever (6); When pouring weight (7) and lever (6) were in first duty, second end of described lever (6) was taken on the mouth of pipe that is against U-shaped pipe second end (32), and water supply valve (9) is in open mode; When pouring weight (7) and lever (6) were in second duty, second end of described lever (6) left the mouth of pipe of U-shaped pipe second end (32), and water supply valve (9) is in closed condition; Described float (5) is used for when storage tank (1) spilling water, and second end of jack-up lever (6) also drives pouring weight (7), makes lever (6) and pouring weight (7) change to second duty from first duty.

2. the spilling water according to claim 1 device of cutting off the water automatically, the deviation of gravity center that it is characterized in that described pouring weight is in the connecting portion of pouring weight (7) with switch lever (91) second ends.

3. the spilling water according to claim 1 device of cutting off the water automatically, second end that it is characterized in that described switch lever (91) is for prismatic, and pouring weight (7) is provided with prismatic hole, and the prism end of described switch lever (91) is plugged in the described prismatic hole.

4. the spilling water according to claim 3 device of cutting off the water automatically is characterized in that described pouring weight (7) is a trapezoid block, and when first duty, trapezoid block is in inversion state; When trapezoid block was in described inversion state, the little head end of trapezoid block down; Described prismatic hole is arranged at little head end one side of trapezoid block, and on the cross section of described trapezoid block, cross section, prismatic hole is a polygon, and described polygonal center of gravity is positioned on the perpendicular bisector on trapezoidal base.

5. the spilling water according to claim 1 device of cutting off the water automatically is characterized in that described float (5) is the hollow cylinder pipe of closed at both ends.

6. the spilling water according to claim 1 device of cutting off the water automatically is characterized in that also being provided with on the described water inlet pipe (8) check valve (10).