CN201517864U

CN201517864U - A solar water heater hand operated and electric dual-purpose pipeline empty valve

Info

Publication number: CN201517864U
Application number: CN2009201553162U
Authority: CN
Inventors: 陈焕森
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-12
Filing date: 2009-05-12
Publication date: 2010-06-30
Anticipated expiration: 2019-05-12

Abstract

A solar water heater hand operated and electric dual-purpose pipeline empty valve. The valve is composed of a valve body, a valve core, a driving device and the like. The valve body is a long tubular structure, the valve body is mounted on the position of water inlet and outlet pipe holes on the water heater storage water tank, one end of the valve body extends in the water tank, and the other end is outside the water tank. In the part of the valve body in the water tank, the terminal port sealed, a water inlet and outlet hole is provided on the lateral wall; in the part outside the water tank, a driving device is mounted on the terminal port, a water inlet and outlet channel and a gas guide channel are provided on the lateral wall. The valve core is composed of two plungers and a valve handle, and the plungers are fixed at different positions of the valve handle. The valve handle is manually or electrically driven to make the valve core reciprocate along the valve chamber, to open and close the channel, to realize the water inlet and outlet of the water heater and pipeline empty. Because the water inlet and outlet channel is opened and closed in the water tank, no water is remained after emptying the valve body and the valve body will not freeze up in winter to achieve the effect of anti-freezing. And the valve can be matched with a variety of designs of household solar water heaters, and has simple mounting and disassembly, easy maintenance, low cost, and energy-saving performance.

Description

A kind of solar water heater is manual, the electric dual-purpose pipe line evacuation valve

Affiliated technical field

The utility model relates to a kind of valve, is a kind of solar water heater water-supply pipeline evacuation anti-icing equipment.

Background technology

Solar water heater is widely used with the advantage of its convenience, safety, energy-saving and environmental protection, yet solar water heater in use, also exists some urgent problems.The one, using solar water heater, when using hot water, need bleed off the cold water of pipeline, so both inconvenience, waste water resource again.The 2nd, because northern area outdoor greenhouse in winter is lower, the water capacity easy freezing on the pipeline can not use water heater.

At present, the method for solution mainly is that pipeline heats and thaws and the antifreeze dual mode of tube emptying.

One, pipeline heats the form of thawing and mainly contains: utilize heating tape to heat, utilize circulating pump to heat, utilize flue, methods such as the PVC sleeve pipe heats are installed.These methods all respectively have its advantage, but also exist not enough.As utilize electric-heating belt, and all want electricity consumption at every turn, continue to increase investment, also there is potential safety hazard; Utilize circulating pump to heat, system complex, the cost height has reduced the utilization benefit of solar water heater; Utilize flue PVC sleeve pipe only to be applicable to user of flue etc.

Two, the antifreeze mode of tube emptying mainly contains: the one, and the various negative pressure, the hydraulic means emptying that utilize siphon principle to make.Two are to use exhaust-valve miscellaneous, have manual, electronic, electromagnetic type, multi-functional full-automatic etc.These methods respectively have its advantage and advantage, but also exist not enough.As negative pressure, hydraulic pressure emptier complexity, troublesome poeration are installed.Utilize the emptying of exhaust-valve device at present, the position of installing according to exhaust-valve can be divided into three kinds of situations; The one, valve is installed in the water tank, the 2nd, valve is installed in the water tank heat-insulation layers; The 3rd, valve is installed in beyond the water tank.It is interior and heat-insulation layer to be installed in water tank, though have the advantage that valve body is not frozen, is not easy to maintenance and replacing, in case fault is arranged, handles bothering.Be installed in outside the storage tank, because device itself is complex-shaped, valve body is not easy to insulation, and resistance to frost is poor, and valve body easily freezes, and causes emptying malfunctioning.

Summary of the invention

In order to overcome the problems referred to above, the utility model provides a kind of manual, electric dual-purpose tube emptying defroster.The utility model is integrated water inlet pipe and water outlet pipe on the storage tank and exhaust-valve, has had the water up and down and the emptying pipe function of solar water heater concurrently.Guaranteed the season in severe winter solar water heater can normally use.This valve can be supporting with the domestic solar water heater of various designs, and installing/dismounting is simple, and is easy to maintenance, with low cost, energy-conservation saving money.Solve water heater pipeline in winter and freezed an out of use difficult problem.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of solar water heater is manual, electric dual-purpose water-supply pipeline evacuation valve.This valve is made up of valve seat, valve body, spool, bonnet and drive unit.

Valve seat is an outer pipe plug head, is sealed in a port of valve body.

Valve body is a long tubular structure, in the end port of valve body, is with the internal thread screw thread, is used for fixing valve seat; The other end is with outer silk screw thread, is used for fixing bonnet and drive unit.The sidewall of valve seat end is provided with an Inlet and outlet water access opening, and the sidewall of bonnet end is provided with an aquaporin interface and an air guide channel interface up and down.Valve body is installed in the inlet and outlet pipe lines hole on the solar water heater storage water tank, and the valve seat end puts in the water tank, and the bonnet end is outside water tank.

Spool is made up of a long and short two plunger and a valve rod.Two plungers are separately fixed at the diverse location of valve rod.All be provided with two annular grooves on each plunger, seal washer is housed in the groove.Valve rod is provided with central through hole, connects on the valve rod sidewall of drive unit one end, and it is empty to have a ventilation, is used for equilibrium air pressure.Spool is arranged in the inner chamber of valve body.Bonnet is a nut, is fixed on the outer silk screw thread of valve body.

This valve is an open type, and when not having power drive, the residing position of spool communicates Inlet and outlet water passage and the outer aquaporin up and down of water tank in the water tank, and air guide channel is closed, the function of subdominant chord in the realization; When dynamic driving, valve rod moves, and drives long-plunger and closes the interior Inlet and outlet water passage of water tank, and the short column plug is opened air guide channel, carries out emptying pipe.

Drive unit has electronic and manual two kinds.

Vidacare corp is: adopt micromachine to be used as power, use the roller gear combination to carry out speed change, and utilize screw pair that gyration is become rectilinear motion; Utilize the positive and reverse steering of motor, realize the reciprocating motion of screw pair, and according to the required distance design self-locking state that moves.During use, the valve rod of exhaust-valve is linked to each other with nut on the screw pair, the bonnet of exhaust-valve is unloaded, the handle assembly housing is fixed on the position of bonnet with nut.It is indoor that power line is guided to the user, and on-off controller is connected with the mains, and opens the button on the switch, realizes the water up and down or the emptying pipe of solar water heater.

Manual driving device is to use steel wire rope drag-line traction valve rod displacement and utilizes the compression spring to make the valve rod return.During use, bonnet is unloaded, on valve rod, the bonnet of screwing on then fixes spring the compression spring housing.The sheath of drag-line one end is fixed on the bonnet with drag-line line cap, and steel wire rope is connected with connecting rod; It is indoor that the other end of drag-line is guided to the user, is connected on the rotary switch.During emptying pipe, the twisting turn-knob, steel wire rope drives, and valve rod moves, and long-plunger is closed the Inlet and outlet water passage on the water tank inner valve body, and the short column plug is opened air guide channel, carries out emptying pipe.Unclamp and execute button, spring promotes the valve rod return, realizes upper and lower water function.

The beneficial effects of the utility model are:

One, spool opens and closes the Inlet and outlet water passage in storage tank, and emptying pipe behind the pathway closure, water not in the valve body, valve body can bursting by freezing, realize evacuation and anti-freezing.

Two, maintenance is convenient in valve body easy installation and removal, and can be supporting with various types of pot-type boiler storage tanks, only changes and imports and exports water pipe, just can realize evacuation and anti-freezing, and is convenient and swift.

Three, manual, electric dual-purpose is not worried can not taking place with the situation of hot water or bursting by freezing valve and pipeline because of power failure.

Four, this valve arrangement is simple, and low cost of manufacture is easy for installation, is convenient to promote the use of.

Description of drawings

Fig. 1 is the vertical section structural map of the pipe line evacuation valve of first embodiment

Fig. 2 is the vertical section structural map of the pipe line evacuation valve of second embodiment

Among the figure: 1. valve seat 2. valve bodies 3. long-plungers 4. valve rods 5. catheter channel interfaces 6. electric devices 7. short column plugs aquaporin interface 9. Inlet and outlet water access openings 10. drag-line line caps 11. manual driving devices 12. bonnets 13. compression springs about in the of 8.

The specific embodiment

In the embodiment shown in Fig. 1, long-plunger 3 and short column plug 7 are separately fixed on the valve rod 4, valve seat 1 is fixed on the inner port place of valve body 2, valve rod 4 is put in the inner chamber of valve body 2.With the water inlet pipe and water outlet pipe installing hole of valve body 2 from solar water heater storage water tank, put in the water tank, aquaporin interface 8 is connected with the upper and lower conduit road up and down, the air guide channel interface is connected with wireway, the outer end of valve rod 4 is connected with nut on the Vidacare corp 6 inside spin pairs, and the housing of Vidacare corp 6 is fixed on the external port of valve body 2 with nut.It is indoor that the power line of Vidacare corp is guided to the user, and gauge tap is connected power supply, and operation button switch just can be realized the purpose of upper and lower water and emptying pipe.

In another embodiment shown in Fig. 2, compression spring 13 is enclosed within the outer end of valve rod 4, bonnet 12 is fixed on the external port of valve body, compress compression spring 13, drag-line line cap 10 is fixed on the bonnet, and the steel wire rope in the outer end of valve rod 4 and the manual driving device is connected, and drag-line line introducing user is indoor, use drag-line line cap that steel wire rope is connected with rotary switch, operation knob just can be realized the purpose of upper and lower water and emptying pipe.

Claims

1. a solar water heater is manual, the electric dual-purpose pipe line evacuation valve, one end of valve body connects valve seat, the other end connects drive unit, spool is in valve body, valve rod on the spool links to each other with the power drive mechanism of drive unit, it is characterized in that valve body is shaped as a long tubular structure, on the sidewall of the valve body of connection valve seat one end an Inlet and outlet water through hole is arranged, other end valve body both sides have an aquaporin interface and an air guide channel interface about in the of one respectively, two plunger opening and closing elements on the valve body inner spool are connected the diverse location of valve rod, with the drive unit that valve body is connected with valve rod manual and electronic dual mode are arranged.

2. pipeline emptying valve for solar water heater according to claim 1 is characterized in that valve body is an elongated tubular, and valve body is installed in the Inlet and outlet water pore of solar water heater storage water tank, and an end puts in the water tank, and an end is in outside the water tank.

3. pipeline emptying valve for solar water heater according to claim 1 and 2, it is characterized in that: the spool in the valve body valve pocket, being provided with the logical empty valve rod in center by a long and short two plunger opening and closing element and forms, plunger is connected to the diverse location of valve rod, it is empty that the outer end sidewall of valve rod is provided with a ventilation, all be provided with two annular grooves on each plunger, sealing ring is installed on the annular groove.

4. it is characterized in that according to claim 1 or 2 described pipeline emptying valve for solar water heater manual driving device is the port outside the valve body water tank, to compress spring housing on valve rod, send in the valve pocket, bonnet is connected on the valve body external port, drag-line line cap is connected on the bonnet, steel wire rope in the line cap is connected with valve rod, the other end of drag-line line, and drag-line line cap and steel wire rope are connected on the rotary switch.

5. pipeline emptying valve for solar water heater according to claim 1 and 2, it is characterized in that: an end of the power drive mechanism screw pair of Vidacare corp links to each other with the outer end of valve rod, the housing of drive unit is connected the external port of valve body, power line one end links to each other with micromachine, the other end guides to that the user is indoor to link to each other with on-off controller, and on-off controller links to each other with power supply again.