CN2807131Y

CN2807131Y - Thermostatic water and gas linkage valve for gas water heater

Info

Publication number: CN2807131Y
Application number: CN 200520112191
Authority: CN
Inventors: 李治才
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-05
Filing date: 2005-07-05
Publication date: 2006-08-16
Anticipated expiration: 2015-07-05

Abstract

The utility model relates to a thermostatic water and gas linkage valve for a gas water heater, which is composed of a water valve, a gas valve and a drive rod. The utility model comprises a water valve seat, a water valve cover, a water flow regulating knob, a water flow regulating shaft, an outer piston for the water valve, an inner piston for the water valve, a water seal, a tympanic membrane, a pushing block, a gas valve seat, a gas valve cover, an outer piston for the gas valve, an inner piston for the gas valve, a gas flow regulating shaft, a gas seal, a spring, etc., wherein the gas flow regulating shaft is sheathed on the drive rod and a gas flow regulating shaft sleeve is sheathed outside the gas flow regulating shaft. A regulator is connected with the gas flow regulating shaft sleeve. The valve has the basic functions that gas is supplied when water is supplied, a gas supply is cut off when a water supply is cut off, the accurate regulation and control of the specific value of water flow and gas flow and the water and gas linkage mode that the water flow and the gas flow are opened according to the set specific value is realized, the water outflow temperature of a gas water heater can be accurately and stably set and the valve is free from the affection of the fluctuation of the water flow and gas pressure. With the adoption of the product, a cold water pipe and a cold water valve do not need to be additionally arranged on the product to regulate the water outflow temperature of the water heater.

Description

The thermostatic type aqueous vapor interstage valve of gas heater

Technical field

The utility model relates to the aqueous vapor interstage valve of gas heater, particularly relates to the thermostatic type aqueous vapor interstage valve of the leaving water temperature of the gas heater that can be used to constant setting.

Background technology

The aqueous vapor interstage valve of known gas heater mainly is made up of water valve, air valve and drive link, has water valve seat, water valve cap, discharge adjusting knob, water inlet, delivery port, intake antrum, water chamber, storage to press chamber, eardrum, jacking block in the water valve; Air valve seat, air valve cap, air inlet, gas outlet, inlet chamber, outlet chamber, spring etc. are arranged in the air valve; Drive link is between water valve and air valve.Its operation principle: when water flowed, intake antrum was communicated with water chamber, and water makes eardrum and jacking block axially-movable, and opened valve in the air valve by jacking block promotion drive link, and inlet chamber is communicated with outlet chamber, and gas-flow is crossed air valve.Because the aqueous vapor interstage valve of known gas heater, can only realize that water opens air to open, water closes the aqueous vapor interlock of air to close, can not realize regulating and control accurately the ratio of discharge and throughput, more can not realize all the time opening the aqueous vapor interlock of discharge and throughput by the ratio of setting, thus known aqueous vapor interstage valve and supporting gas heater leaving water temperature can not be constant when fluctuation takes place for discharge and gas flow.In recent years be the constant problem that solves the leaving water temperature of gas heater, adopted the water temperature ratio adjusting valve of intelligent computerized manipulation in gas heater, its result of use is not good enough, and fluctuating temperature is still bigger.Though gas heater comparison electric heater has fast, economic, safe advantage, can not show a candle to electric heater with regard to constant temperature, will not be subjected to the masses' favor as if not improving.

Therefore, the aqueous vapor interstage valve of the gas heater that is further improved can accurately be opened discharge and throughput, the leaving water temperature of the gas heater of accurate constant setting by the ratio of setting all the time to solve this valve.

Summary of the invention

Task of the present utility model just provides the thermostatic type aqueous vapor interstage valve of gas heater, can accurately open discharge and throughput, the leaving water temperature of the gas heater of accurate constant setting by the ratio of setting all the time to realize this valve.

The thermostatic type aqueous vapor interstage valve of gas heater of the present utility model, form by water valve, air valve, drive link, comprise: water valve wherein has water valve seat, water valve cap, discharge adjusting knob, water inlet, delivery port, intake antrum, water chamber, storage to press chamber, eardrum, jacking block; Air valve wherein has air valve seat, air valve cap, air inlet, gas outlet, inlet chamber, outlet chamber, spring; Drive link is between water valve and air valve; Be connected with a water valve outer piston on the eardrum in water valve, its profile is cylinder, in be tapered hole, 2-4 the identical sectional area discharge adjustment hole inequality of length separately arranged on the skirt section of water valve outer piston, a water valve inner carrier is arranged in the water valve outer piston movingly, outside the water valve outer piston, be with a water seal, an outlet pass is arranged on the skirt section of water valve inner carrier, the water valve inner carrier is fixedly connected on the discharge regulating shaft, water seal is fixed in the water valve seat, when water does not flow, water seal cuts off intake antrum and water chamber, can be by the angle of discharge adjusting knob and discharge regulating shaft rotation water valve inner carrier, thus the outlet pass that changes on the water valve inner carrier is relative with any one discharge adjustment hole on the water valve outer piston; In air valve, an air valve outer piston is arranged, and its profile is cylinder, in be tapered hole, one width of cloth netted open-end hole is arranged on the skirt section of air valve outer piston, an air valve inner carrier is arranged in the air valve outer piston movingly, outside the air valve outer piston, be with a sealing gland, a regulating the qi flowing in the channels mouth is arranged on the skirt section of air valve inner carrier, the air valve inner carrier is fixedly connected on the throughput regulating shaft, sealing gland is fixed in the air valve seat, and when water did not flow, sealing gland was cut off inlet chamber and outlet chamber; Drive link is with the throughput regulating shaft outward, and the throughput regulating shaft is with throughput regulating shaft sleeve pipe outward, an end in contact jacking block of drive link, other end contact air valve outer piston; Adjuster and throughput regulating shaft sleeve pipe link, the angle that adjuster can be by the gentle Flow-rate adjustment axle of throughput regulating shaft sleeve pipe rotary air valve inner carrier, thus change the relative position of netted open-end hole on regulating the qi flowing in the channels mouth and the air valve outer piston on the air valve inner carrier; When water flowed, water valve outer piston, water valve inner carrier, discharge regulating shaft, jacking block, drive link, air valve outer piston, air valve inner carrier, throughput regulating shaft were done synchronous moving axially, and make intake antrum and water chamber, and inlet chamber is communicated with simultaneously with outlet chamber.

The thermostatic type aqueous vapor interstage valve of described gas heater, the through-hole aperture in the netted open-end hole on the air valve outer piston is 0.2-2mm, and hole count is 60-2000, and pitch of holes is 0.6-3mm, and the axial length of netted open-end hole is identical with the length of discharge adjustment hole.

The thermostatic type aqueous vapor interstage valve of the gas heater that this practicality is new, its operation principle is: in water valve, when delivery port is opened, the hydraulic pressure of intake antrum is pressed the hydraulic pressure in chamber greater than storage, eardrum drive water valve outer piston, water valve inner carrier, discharge regulating shaft, jacking block move axially, intake antrum is communicated with water chamber, and current are logical, and the size and the axially movable distance of water valve outer piston of the thermostatic type aqueous vapor interstage valve unlatching discharge of its domestic gas-fired water heater are in direct ratio; In like manner, move axially promotion air valve outer piston, air valve inner carrier and the throughput regulating shaft of drive link move axially, inlet chamber is communicated with outlet chamber, the combustion gas circulation, its size and axially movable distance of air valve outer piston of opening gas flow is in direct ratio, has so just realized that water opens that air to open, water close air to close and all the time by the aqueous vapor of the ratio unlatching discharge of setting, the throughput mode that links; The effect of adjuster is, the relative position of netted open-end hole on regulating the qi flowing in the channels mouth on the regulation and control air valve inner carrier and the air valve outer piston, thereby accurately set and open discharge and the ratio of throughput and the flow of the constant unlatching combustion gas of auxiliary air vale, the leaving water temperature of the gas heater of She Zhiing is by constant like this.

The thermostatic type aqueous vapor interstage valve of gas heater of the present utility model, the water that not only has existing water heater is opened the basic function of air to open, water pass air to close, and realized the ratio of accuracy controlling discharge and throughput and opened the aqueous vapor interlock mode of discharge, throughput all the time by the ratio of setting, successfully solve the leaving water temperature of the gas heater of accurate constant setting, and be not subjected to the influence of discharge and gaseous-pressure fluctuation.Use this product not need to be provided with in addition the leaving water temperature that cold water pipe and cold valves are regulated water heater.Its product has vast market prospect.

Description of drawings

Fig. 1 is the structural representation of the thermostatic type aqueous vapor interstage valve of gas heater of the present utility model;

Fig. 2 is that the adjuster in the utility model is the structural representation of the constant device of a fire regulation and throughput when constituting.

The specific embodiment

The utility model will be further described below by embodiment.

With reference to figure 1 and Fig. 2, the thermostatic type aqueous vapor interstage valve of gas heater of the present utility model, be made up of water valve, air valve, drive link: comprising: water valve wherein has water valve seat 1, water valve cap 9, discharge adjusting knob 2, water inlet 7, delivery port 16, intake antrum 8, water chamber 15, storage to press chamber 10, eardrum 12, jacking block 11; Air valve wherein has air valve seat 20, air valve cap 23, air inlet 31, gas outlet 24, inlet chamber 30, outlet chamber 25, spring 26; Drive link 17 is between water valve and air valve; Be connected with a water valve outer piston 13 on the eardrum 12 in water valve, its profile is cylinder, in be tapered hole, 2-4 the identical sectional area discharge adjustment hole 5 inequality of length separately arranged on the skirt section of water valve outer piston 13, a water valve inner carrier 14 is arranged in water valve outer piston 13 movingly, outside water valve outer piston 13, be with a water seal 6, an outlet pass 4 is arranged on the skirt section of water valve inner carrier 14, water valve inner carrier 14 is fixedly connected on the discharge regulating shaft 3, water seal 6 is fixed in the water valve seat 1, when water does not circulate, water seal 6 cuts off intake antrum 8 and water chamber 15, can be by the angle of discharge adjusting knob 2 and discharge regulating shaft 3 rotation water valve inner carriers 14, thus the outlet pass 4 that changes on the water valve inner carrier 14 is relative with any one discharge adjustment hole 5 on the water valve outer piston 13; In air valve, an air valve outer piston 27 is arranged, its profile is cylinder, in be tapered hole, one width of cloth netted open-end hole 21 is arranged on the skirt section of air valve outer piston 27, an air valve inner carrier 28 is arranged in air valve outer piston 27 movingly, outside air valve outer piston 27, be with a sealing gland 29, a regulating the qi flowing in the channels mouth 22 is arranged on the skirt section of air valve inner carrier 28, air valve inner carrier 28 is fixedly connected on the throughput regulating shaft 18, sealing gland 29 is fixed in the air valve, and when water did not flow, sealing gland 29 was cut off inlet chamber 30 and outlet chamber 25; The drive link 17 outer throughput regulating shafts 18 that are with are with throughput regulating shaft sleeve pipe 19 outside the throughput regulating shaft 18, an end in contact jacking block 11 of drive link 17, other end contact air valve outer piston 27; Adjuster 32 links with throughput regulating shaft sleeve pipe 19, adjuster 32 can be by throughput regulating shaft sleeve pipe 19 gentle Flow-rate adjustment axle 18 rotary air valve inner carriers 28 angle, thereby change the relative position of netted open-end hole 21 on regulating the qi flowing in the channels mouth 22 and the air valve outer piston 27 on the air valve inner carrier 28; When water flows, water valve outer piston 13, water valve inner carrier 14, discharge regulating shaft 3, jacking block 11, drive link 17, air valve outer piston 27, air valve inner carrier 28, throughput regulating shaft 18 are done synchronous moving axially, make intake antrum 8 and water chamber 15, inlet chamber 30 is communicated with simultaneously with outlet chamber 25.Through-hole aperture in the netted open-end hole 21 on the air valve outer piston 27 is 0.2-2mm, and hole count is 60-2000, and pitch of holes is 0.6-3mm, and the axial length of netted open-end hole is identical with the length of discharge adjustment hole 5.Definite principle of the hole count of netted open-end hole is: hole count multiply by the single hole sectional area be equal to or greater than thermostatic type aqueous vapor interstage valve the total sectional area of spray orifice of air nozzle of supporting water heater, the sectional area of its air inlet 31, gas outlet 24 is greater than the total sectional area of netted open-end hole 21.Water valve outer piston 13 in the thermostatic type aqueous vapor interstage valve of gas heater, air valve outer piston 27 can only axially move in valve separately and can not rotate; Water valve inner carrier 14, air valve inner carrier 28 can only rotate in phase outer piston movingly.In the thermostatic type aqueous vapor interstage valve of gas heater, the adjuster 32 that links with throughput regulating shaft sleeve pipe 19 can be a fire regulation, fire regulation is made up of knob 37, the

gear

35,40 that is meshed, gear 35 is fixed on the throughput regulating shaft sleeve pipe 19, gear 40 is fixedly connected on the axle of knob 37, also can process tooth and alternative gear 40 on the axle of knob 37; The adjuster 32 that links with throughput regulating shaft sleeve pipe 19 also can be a fire regulation and the constant device composition of throughput, fire regulation is made up of knob 37, spring 38,

gear

35,40, driving lever 39, gear 35 is fixed on the throughput regulating shaft sleeve pipe 19, gear 40 is fixedly connected on the axle of knob 37, also can on the axle of knob 37, process tooth and substitute gear 40, the constant device of throughput is made up of adjustable air pressure expansion bend 33, tooth bar 41, gear 36, spring leaf 42, and gear 36 is fixed on the throughput regulating shaft sleeve pipe 19.When inactive state,

gear

35 and 40 does not mesh, tooth bar 41 and gear 36 engagements, and when knob 37 is pressed,

gear

35 and 40 engagements, under the effect of driving lever 39, tooth bar 41 does not mesh with gear 36.The former is used for the bleed pressure stable state, and the latter is used for the bleed pressure labile state.Air inlet 34 on the adjustable air pressure expansion bend 33 communicates with Gas Pipe, and the air inlet pipe, escape pipe, water inlet pipe, the outlet pipe that are connected with this valve dock air inlet, gas outlet, water inlet, delivery port respectively.Also can be that the gas outlet picks out tracheae when air inlet taps into tracheae, when air inlet picked out tracheae, the gas outlet can tap into tracheae.Fire regulation is exactly effective work hole count of control netted open-end hole 21, when air valve outer piston 27 is in a certain axial location, when netted open-end hole is effectively worked hole count for a long time, the throughput of opening is bigger, water temperature is higher, on the contrary, and when netted open-end hole is effectively worked hole count after a little while, the throughput of opening is less, and water temperature is lower.The effect of the constant device of throughput is the flow of the constant unlatching combustion gas of auxiliary air vale, the part of when pressure when water temperature is set of the pressure of combustion gas, closing netted open-end hole 21 hole count of effectively working with regard to the regulating the qi flowing in the channels mouth 22 on the rotary air valve inner carrier, the part of when pressure when water temperature is set of the pressure of combustion gas, the opening netted open-end hole 21 again hole count of effectively working with regard to the regulating the qi flowing in the channels mouth 22 on the rotary air valve inner carrier, thus the gas flow that gas valve opens and the ratio of the discharge of water valve unlatching are consistent.

Use product of the present utility model not need to be provided with in addition the leaving water temperature that cold water pipe and cold valves are regulated water heater.

Claims

1, the thermostatic type aqueous vapor interstage valve of gas heater is made up of water valve, air valve, drive link, comprising:

Water valve wherein has water valve seat (1), water valve cap (9), discharge adjusting knob (2), water inlet (7), delivery port (16), intake antrum (8), water chamber (15), storage to press chamber (10), eardrum (12), jacking block (11);

Air valve wherein has air valve seat (20), air valve cap (23), air inlet (31), gas outlet (24), inlet chamber (30), outlet chamber (25), spring (26);

Drive link (17) is between water valve and air valve;

It is characterized in that: be connected with a water valve outer piston (13) on the eardrum in water valve (12), its profile is cylinder, in be tapered hole, 2-4 the identical sectional area discharge adjustment hole (5) inequality of length separately arranged on the skirt section of water valve outer piston (13), a water valve inner carrier (14) is arranged in water valve outer piston (13) movingly, outside water valve outer piston (13), be with a water seal (6), an outlet pass (4) is arranged on the skirt section of water valve inner carrier (14), water valve inner carrier (14) is fixedly connected on the discharge regulating shaft (3), water seal (6) is fixed in the water valve seat (1), when water does not circulate, water seal (6) cuts off intake antrum (8) and water chamber (15), can be by the angle of discharge adjusting knob (2) and discharge regulating shaft (3) rotation water valve inner carrier (14), thus the outlet pass (4) on the change water valve inner carrier (14) is relative with any one discharge adjustment hole (5) on the water valve outer piston (13); In air valve, an air valve outer piston (27) is arranged, its profile is cylinder, in be tapered hole, one width of cloth netted open-end hole (21) is arranged on the skirt section of air valve outer piston (27), an air valve inner carrier (28) is arranged in air valve outer piston (27) movingly, outside air valve outer piston (27), be with a sealing gland (29), a regulating the qi flowing in the channels mouth (22) is arranged on the skirt section of air valve inner carrier (28), air valve inner carrier (28) is fixedly connected on the throughput regulating shaft (18), sealing gland (29) is fixed in the air valve seat (20), and when water did not circulate, sealing gland (29) was cut off inlet chamber (30) and outlet chamber (25); The outer throughput regulating shaft (18) that is with of drive link (17), throughput regulating shaft (18) is outer to be with throughput regulating shaft sleeve pipe (19), an end in contact jacking block (11) of drive link (17), other end contact air valve outer piston (27); Adjuster (32) links with throughput regulating shaft sleeve pipe (19), adjuster (32) can be by the gentle Flow-rate adjustment axle of throughput regulating shaft sleeve pipe (19) (18) rotary air valve inner carrier (28) angle, thereby change the relative position of netted open-end hole (21) on regulating the qi flowing in the channels mouth (22) and the air valve outer piston (27) on the air valve inner carrier (28); When water flows, water valve outer piston (13), water valve inner carrier (14), discharge regulating shaft (3), jacking block (11), drive link (17), air valve outer piston (27), air valve inner carrier (28), throughput regulating shaft (18) are done synchronous moving axially, make intake antrum (8) and water chamber (15), inlet chamber (30) is communicated with simultaneously with outlet chamber (25).

2, the thermostatic type aqueous vapor interstage valve of gas heater according to claim 1, it is characterized in that: the through-hole aperture in the netted open-end hole (21) on the air valve outer piston (27) is 0.2-2mm, hole count is 60-2000, pitch of holes is 0.6-3mm, and the axial length of netted open-end hole (21) is identical with the length of discharge adjustment hole (5).