CN2161944Y

CN2161944Y - Liquid pressure, flow automatic regulating valve

Info

Publication number: CN2161944Y
Application number: CN 93202098
Authority: CN
Inventors: 黄林宝莲
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-02-09
Filing date: 1993-02-09
Publication date: 1994-04-13
Anticipated expiration: 2003-02-09

Abstract

The utility model provides a liquid pressure, flow automatically regulated valve which characterized in that: a main valve chamber and an auxiliary valve chamber are formed in an integrally formed body, a long strip-shaped flow guide opening is communicated between the two valve chambers, a small-aperture micro flow guide hole is formed between the two valve chambers, a piston in the main valve chamber automatically adjusts the opening size of the flow guide opening through water flow impact, a push rod at the upper end of the piston is communicated with a gas valve (or a current regulator) to control the flow of gas (or current) to achieve stable water temperature control, the lowest flow adjustment button can be used for setting the lowest safe flow, and the gas is saved and the safety is guaranteed. The utility model discloses also can be applicable to the pressure and the flow automatic adjustment of other liquid flow equipment.

Description

Liquid pressure, flow automatic regulating valve

The utility model relates to a kind of fluid pressure, motor valve, is meant a kind of gas heater and electric heater leaving water temperature automatic regulating valve of being applicable to especially.

The structure of common water lighting formula gas heater as shown in Figure 1, wherein combustion gas main valve 200 and pressure differential disc 300 are indispensable member, the member that matches with it mainly contains hydraulic pressure dish 100; Startup is produced by the hydraulic pressure dish, as shown in Figure 2; After current are entered by the water inlet 101 of hydraulic pressure dish, the pressure pushing tow barrier film 103 of current and promote connecting rod 104 displacements, start fuel gas inlet switch 201 and microswitch 50 simultaneously, at this moment, combustion gas enters the last lower chamber 301 of pressure differential disc 300 simultaneously, in 302, microswitch 50 also starts high-voltage ignition device and lights female fire (this is traditional technology, so it is not shown), after female fire is lighted, by inductive needle sensible heat and release current normally open solenoid valve 303 cuts out, the combustion gas in the upper chamber 301 consume gradually and pressure reduces, and cause, lower chamber produces pressure reduction, make the pressure pushing tow barrier film 304 of lower chamber 302 and open main burnt gas switch 202, light main fire by female fire.

Though this kind mode can reach the purpose of water lighting, also there is shortcoming in above-mentioned ignition principle for the general water lighting gas heater that utilizes the hydraulic pressure dish:

1. the hydraulic pressure dish makes the hot water can't being suitable for for the full water yield, owing to the hydraulic pressure dish is that the change that utilizes barrier film to be stressed produces displacement and pushes away and open combustion gas and ignition switch, the generation of this pressure then is that the water yield difference size of utilization inflow and aquifer yield is resultant, as Fig. 1, shown in Figure 2, the aperture of water inlet 101 is greater than water delivering orifice 102, obvious, it is poor that the amount of inlet water of hydraulic pressure dish 100 must produce the water yield greater than the water outlet water yield, the pressure that produced of water yield difference is the power of passing barrier film whereby, because the aquifer yield of hydraulic pressure dish diminishes, relative, the aquifer yield of hot water also diminishes, and can't obtain the full water yield utilization that equates with the water source that intakes.

2. the utilization of the pressure of hydraulic pressure dish water yield difference causes water temperature to be difficult to control, because the hydraulic pressure dish is to adopt the keying of the pressure of water inlet and water flow difference as combustion gas and ignition switch, the action of hydraulic pressure dish only has the relative action of Push And Release, and there is not fine adjustment function, therefore cause water temperature to be difficult to adjust with cold water, form non-cold be overheated water temperature.

3. the setting of the operating pressure of hydraulic pressure dish is difficult gets certain value with water temperature, when the setting pressure reduction of hydraulic pressure dish is more little, hot water saliva flow is big more, and the combustion gas inlet is certain, stove fire also is certain, the water temperature that produces is low excessively, and the setting pressure reduction of relative water pressure dish is high more, and the expression water inlet improves with water yield ratio, so, when the certain stove fire of hydraulic pressure dish 100 action start or stop, hydraulic pressure dish discharge is less, and this current temperature potential must overheated even vaporization.

The purpose of this utility model is to overcome above-mentioned defective, provides a kind of and directly utilizes the discharge size, adjusts gas flow, the fluid pressure of control water temperature, motor valve automatically.

The purpose of this utility model is achieved in that an integrated body, is provided with the piston of push rod, spring and minimum flow and adjusts button; Be provided with a main valve chamber and a secondary valve chamber in the body, the main valve chamber front end is a water inlet, its outside is provided with screw thread, terminal formation one flange is also offered a through hole, secondary valve chamber end is an apopore, its outside is provided with screw thread, have a strip flow-guiding mouth between two valve chambers, have the micro-pod apertures of the small-bore of a conducting two valve chambers at flow-guiding mouth, be provided with a piston in the main valve chamber, piston-top surface is provided with push rod and spring, and the push rod top penetrates through hole and is exposed at outside the main valve chamber outward, the position between flow-guiding mouth and micro-pod apertures shored piston under normal conditions by spring, establishes a minimum flow at secondary valve chamber with respect to micro-pod apertures place and adjusts button.

Advantage of the present utility model is: inflow is identical with aquifer yield, and the flow of sharp water delivering orifice current directly adjusts the electric current of combustion gas or electric heater, makes water temperature stability, and saves combustion gas and electric power, convenient and practical.

Fig. 1 is a light water platen cut-open view.

Fig. 2 is light water platen utilization state cut-open view.

Fig. 3 is the utility model three-dimensional cutaway view.

Fig. 4 uses arrangement plan for the utility model.

Fig. 5 implements illustration for the utility model.

Fig. 6 is another enforcement illustration of the utility model.

The utility model is described in further detail below in conjunction with drawings and Examples.

As shown in Figure 3, the utility model mainly is by integrated body 10 and piston 20, spring 30, minimum flow is adjusted button 40 elements such as grade and is formed, form a main valve chamber 11 and secondary valve chamber 12 in the body 10, be provided with a strip flow-guiding mouth 13 between two valve chambers and form conducting, in addition the small-bore trace pod apertures 14 that a conducting two valve chambers are established in the appropriate location below flow-guiding mouth 13; Main valve chamber 11 front ends are water inlet, its outside is provided with engage threads, the terminal flange 15 that forms, and establish a through hole 151, establish a piston 20 that is connected with push rod 21 in the main valve chamber 11, this push rod 21 is exposed at outside the main valve chamber 11 through through hole 151, establishes a spring 30 between piston 20 and main valve chamber 11 terminal surfaces, and spring 30 is shored piston 20 under normal circumstances on the position of 14 of flow-guiding mouth 13 and micro-pod apertures; On the position of secondary valve chamber 12 front end side with respect to micro-pod apertures 14, establish a screw 121 in addition, and spiral shell establishes a minimum flow and adjust button 40, the end of secondary valve chamber 12 is a water delivering orifice, and its outside is provided with engage threads.

As Fig. 4 and shown in Figure 5, the utility model can replace the hydraulic pressure dish directly with 200 windings of combustion gas main valve, as shown in Figure 4, in the bottom joint with the flange 15 insertion combustion gas main valves 200 of body 10 main valve chamber ends, fastening with screw, constitute a complete water lighting controlling device for water heater.As shown in Figure 5, when the water source enters main valve chamber 11 by body 10 bottom water inlets, the direct impact piston 20 of current makes progress detrusion to opening flow-guiding mouth 13 with piston 20, make current enter secondary valve chamber 12 and flow in the water pipe (not shown) of main burning things which may cause a fire disaster and heat by flow-guiding mouth 13, when current the time at detrusion piston 20, move pushing tow fuel gas inlet switch 201 on the push rod 21, and touch microswitch 50 startup isolating high-pressure ignitors and light female fire, light main fire (this part operating principle and member are same as the prior art) then.Hence one can see that, the utility model is directly to utilize the flow of current to come open channel, promptly vary in size and promote the spacing difference of piston 20 displacements according to the current that enter main valve chamber 11, cause varying in size of flow-guiding mouth 13 unlatchings, make the current of passing piston unlatching admittance all flow into secondary valve chamber mouth to hot water outlet.

In addition, the utility model carries out the water temperature fine setting with the water delivering orifice flow, the size that is the current ejection unlatching burnt gas switch 201 in the main valve chamber is controlled by the water flow of hot water outlet, the discharge of hot water outlet is subjected to total water delivering orifice flow control, as when water temperature is too high, strengthen the cold water aquifer yield, corresponding hot water outlet flow reduces, caused burnt gas switch 201 to be closed, guaranteed that water temperature is fit to people's needs.In a word, as long as hot water outlet has the minimum safe water yield to flow out, then stove fire just can burn and adjust the size of stove fire according to water yield size.

The utility model is for safety and save combustion gas, be provided with a minimum safe flow control member, adjusting button 40 by micro-pod apertures in the body 10 14 and minimum flow forms, consider that a variety of causes makes water delivering orifice close under the not tight situation, make hot water outlet have micro-current to flow out and start stove fire and burn, trace pod apertures 14 causes secondary valve chamber 12 to water delivering orifice in the current of trace, do not open stove fire and can not back down piston 20, utilize minimum flow to adjust the flowing space of allowing that button 40 is adjusted micro-pod apertures 14 in the use, set different minimum safe flows.

Fig. 6 is another embodiment of the utility model, but the utility model also winding on the combiner valve 60 of combustion gas main valve 200, establishing a flow rate regulating valve 70 in combiner valve 60 is communicated with the push rod 21 of main valve chamber 11, by the size of direct controlled water flow amount of the displacement of piston 20 and gas flow, it is more accurate just to get the utility model trimming movement.

The utility model is also applicable to the Current Control of electric heater, the push rod 21 that is about to main valve chamber 11 is connected with the current adjusting device of electric heater, just can reach the water flow that utilizes water delivering orifice and directly do the electric current fine setting, the temperature that reaches water heater is adjustable and more stable.

Claims

1. An automatic regulating valve for liquid pressure and flow, characterized in that: an integrally formed body, a piston with a push rod, a spring and a minimum flow adjustment button; a main valve chamber and a secondary valve chamber are arranged in the body, The front end of the main valve chamber is a water inlet with threads on the outside, a flange is formed at the end and a through hole is opened, the end of the auxiliary valve chamber is a water outlet hole, and threads are provided on the outside, and there is a long guide between the two valve chambers. Under the diversion port, there is a small-diameter diversion hole leading to the second valve chamber. There is a piston in the main valve chamber, and a push rod and spring are arranged on the top surface of the piston, and the top of the push rod penetrates the through hole and is exposed on the Outside the main valve chamber, the spring supports the piston at the position between the diversion port and the micro diversion hole under normal conditions, and a minimum flow adjustment button is set in the auxiliary valve chamber relative to the micro diversion hole.