CN2758653Y - Temp. control valve for volume gas water heater - Google Patents

Temp. control valve for volume gas water heater Download PDF

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Publication number
CN2758653Y
CN2758653Y CN 200420115350 CN200420115350U CN2758653Y CN 2758653 Y CN2758653 Y CN 2758653Y CN 200420115350 CN200420115350 CN 200420115350 CN 200420115350 U CN200420115350 U CN 200420115350U CN 2758653 Y CN2758653 Y CN 2758653Y
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China
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temperature
valve
lever
water heater
control valve
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Expired - Fee Related
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CN 200420115350
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Chinese (zh)
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郁国仁
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Individual
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Individual
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Abstract

The utility model relates to a temperature-controlling valve for a capacity type fuel-gas water heater, which is provided with a temperature-controlling tube, a lever, a top shaft, a valve body, an adjusting screw, a manual valve component, a temperature-controlling pressure base, an acting piece, a temperature-controlling valve cover and an electromagnetic valve. An axial cord of a temperature-controlling mandril in the temperature-controlling tube is coaxial with the axial cord of the recessed part of the lever, the manual valve component is arranged on the valve body and is adjusted by a manual-valve rotary knob arranged on the top, one end of the lever is butted with one end of the temperature-controlling pressure base, the other end part of the temperature-controlling pressure base is orderly butted with the acting piece and a steel-wire cushion ring, the other end of the lever is butted with the top shaft, and the top end of the temperature-controlling mandril is butted with the recessed part between both ends of the lever. The top shaft is sheathed by a connecting tube, the tail part is butted with one end of the adjusting screw and the other end of the adjusting screw is connected with a thread of a positioning nut and is fixed by a fastening nut. A temperature protector is arranged between the temperature-controlling mandril of the temperature-controlling tube and a copper tube, and is connected with a connecting piece via a wire; the external part of the connecting piece is fixed on the electromagnetic valve, and the internal part matches with an assembled thermoelectric pair.

Description

The volumetric gas water heater temperature-sensing valve
Technical field
The utility model relates to household appliance technical field; More specifically, the utility model relates to a kind of temperature-sensing valve of volumetric gas water heater.
Background technology
At present, gas heater and electric heater are universal day by day.Along with the raising day by day of people's living standard, more and more pay close attention to for the comfortableness that water heater uses.Temperature-sensing valve is a critical component of being used in the water heater regulating water temperature.Especially, in the use of gas heater, uncertain factors such as the pressure of combustion gas, flow velocity, flow can produce bigger influence to temperature-sensing valve, and then may directly have influence on the stability of water heater performance.Therefore, its structure is impelled the raising of stability in continuous optimization.
Prior art CN2055554U has disclosed a kind of temperature-sensing valve that is used for water heater.As shown in Figure 1, this temperature-sensing valve is made of front valve shell, rear valve body and temperature detect switch (TDS) assembly.Switch valve block 5 on the temperature detect switch (TDS) assembly is made by copper-based shape memory alloy, and this temperature detect switch (TDS) assembly can be connected with the front and back valve body with flange, the also form of available articulation installation.When water temperature reached a certain temperature in the valve, the 5 distortion deflections of switch valve block together with elastic valve plate 7 perks, opened valve passage, and hot water flows from right to left through the temperature-sensing valve switch module.After water temperature descended, switch valve block 5 recovered shape shown, with the through hole sealing, blocked current under the effect of elastic valve plate.Yet the accuracy of temperature control of this temperature-sensing valve is lower, service life is short and security is relatively poor.
Therefore, how in gas heater, more effectively to introduce safe temperature control factor, and realize that the accurate and effective control to temperature control is those skilled in the art's problem demanding prompt solution always.
The utility model content
The purpose of this utility model provide a kind of compact conformation, can be accurately and realize temperature controlled volumetric gas water heater temperature-sensing valve safely.
According to the utility model, improved a kind of volumetric gas water heater temperature-sensing valve, this temperature-sensing valve has temperature control tube, lever, apical axis, valve body, adjustment screw, hand control valve assembly, temperaturing control pressure seat, action movie, temperature control valve gap and magnetic valve, be provided with temperature control plug and copper pipe in temperature control tube, the axis of the axis of this temperature control plug and the recess of lever is coaxial; Described hand control valve assembly is arranged on the valve body, regulates by the hand control valve turn-knob that is installed in its top; One end of described lever and an end of temperaturing control pressure seat connect, the other end of temperaturing control pressure seat connects with action movie and steel wire packing ring successively, the other end and the apical axis of this lever connect, and dock with a recess between these lever two ends on the top of temperature control plug; Described apical axis is by a tube connector suit, and its afterbody docks with an end of an adjustment screw, and the other end of this adjustment screw is threaded with a setscrew nut and is fixed by a clamp nut; And a temperature protector also has been installed between temperature control plug and copper pipe, and this temperature protector links to each other with a connector by electric wire, and the external stability of this connector is in magnetic valve, and match with the thermocouple that is equipped with in the inside of this connector.
By adopting volumetric gas water heater temperature-sensing valve of the present utility model, can improve greatly the water heater control accuracy of temperature.In addition, also improved the suitability of displacement type water heater temperature-sensing valve, improved temperature protection performance and temperature control stability, reduced temperature fluctuation with respect to the volumetric gas water heater of various models.
Description of drawings
Fig. 1 is the schematic diagram of the water heater temperature-sensing valve of prior art;
Fig. 2 is the structural profile schematic diagram of the attemperating unit of gas heater of the present utility model;
Fig. 3 is the cutaway view along B-B line among Fig. 2;
Fig. 4 is the cutaway view along C-C line among Fig. 2;
Fig. 5 be along the P of Fig. 3 to schematic diagram;
Fig. 6 is the enlarged drawing of the I portion among Fig. 2;
Fig. 7 is the enlarged drawing of the II portion among Fig. 4; And
Fig. 8 is the enlarged drawing of the III portion among Fig. 2.
Reference numeral: 1; temperature control tube, 1-1; the temperature control plug, 1-2; copper pipe; 2; temperature protector, 3; lever, 4; apical axis; 5; the tube connector pad, 6; tube connector, 7 valve bodies; 8; the venthole seal receptacle, 9; valve gap, 10; securing member; 11; adjustment screw, 12; setscrew nut, 13; clamp nut; 14; turn-knob, 15 are regulated in temperature control; the temperature-sensing valve sealing cushion for cover, 16; pagoda spring; 17; the temperature control valve gap, 18; the valve gap casting die, 19; the hand control valve assembly; 19-1; main gas current limliting plug; 19-2; manual spool, 19-3; cuticle bowl sealing gasket, 19-4; cuticle bowl fixture block; 19-5; main controlled atmosphere joint screw; 19-6; cartridge cover, 19-7; main controlled atmosphere joint stage clip, the big leather cup liner of 19-8; 19-9; big leather cup washer; 19-10; big cup packing pad, 19-11; cuticle bowl trim ring, 19-12; little leather cup washer; 20; the location jump ring; 21; the hand control valve turn-knob, 22; main controlled atmosphere joint gland, 23; the steel wire packing ring; 24; temperaturing control pressure seat sealing gasket; 25; action movie, 26; the temperaturing control pressure seat, 27; knob; 28; the spool pressing plate; 29; sealing gasket, 30; standby hole sealing plug screw, 31; little thermal transfer joint screw cap; 32; push-rod assembly; 33; the push rod seal pad, 34; the fabrication hole seal cover, 35; the fabrication hole sealing gasket; 36; the air admission hole screen pack; 37; connector, 38; aluminium circle lid, 39; magnetic valve; 40; little thermal transfer joint screw, 41; wool felt.
The specific embodiment
Referring to Fig. 2, show preferred embodiment according to a volumetric gas water heater temperature-sensing valve of the present utility model.Fig. 2 also is the cutaway view along A-A line among Fig. 3.
As shown in Figures 2 and 3, the volumetric gas water heater temperature-sensing valve comprises a temperature control tube 1, valve body 7, lever 3, apical axis 4, magnetic valve 39 and push-rod assembly 32.This temperature control tube 1 comprises a temperature control plug 1-1 and a copper pipe 1-2, and the axis on this temperature control plug 1-1 top is coaxial with the axis of the recess of lever 3.A hand control valve assembly 19 is arranged on the valve body 7, regulates by the hand control valve turn-knob 21 that is installed in its top.
One end of lever 3 and an end of a temperaturing control pressure seat 26 connect, and the other end of temperaturing control pressure seat 26 connects with an action movie 25 and a steel wire packing ring 23 successively.The other end of this lever 3 and apical axis 4 connect, and dock with a recess between these lever 3 two ends on the top of temperature control plug 1-1, thereby constitute 3 principles of lever, guarantee accuracy of temperature control thus.
Apical axis 4 is by tube connector 6 suits, and its afterbody docks with an end of an adjustment screw 11, and the other end of this adjustment screw 11 is threaded with a setscrew nut 12 and is fixing by a clamp nut 13.Also can be threaded and be installed in the securing member 10 on the valve body 7 with it in the outer setting of adjustment screw 11.
A temperature protector 2 also has been installed between temperature control plug 1-1 and copper pipe 1-2; this temperature protector 2 links to each other with a connector 37 by electric wire; the external stability of this connector 37 is in magnetic valve 39, matches with the thermocouple (not shown) that is equipped with in the inside of this connector 37.In course of normal operation; the negative pole of thermocouple links to each other with an end of magnetic valve 39 electrodes by two connecting lines of this temperature protector 2; and the other end of this magnetic valve electrode links to each other with the positive pole of thermocouple by coil, valve seat in the magnetic valve 39, thereby impels the magnetic valve adhesive.But; when temperature-sensing valve breaks down in the working time and can't reach the adjustment purpose; for example when water temperature reaches 85 ℃; the swell increment that temperature protector 2 is produced opens circuit two connecting lines generations of temperature protector 2; thereby make magnetic valve lose electric current; close the air inlet of temperature-sensing valve, and then cut off flame burning in the ignition dish, thereby played the effect of protecting temperature-sensing valve.
Preferably, can with setscrew nut 12 that adjustment screw 11 is threaded on set up a temperature control adjusting knob 14, with convenience and the comfortableness of improving temperature actuated.
In addition,, temperaturing control pressure seat sealing gasket 24 can also be set, to improve air-tightness in the periphery that temperaturing control pressure seat 26 contacts with valve body 7 referring to Fig. 2.And the inside by spool pressing plate 28 sealing hand control valve assemblies 19 is installed in this hand control valve assembly 19 on the valve body 7 by location jump ring 20.
Preferably, as shown in Figure 6, a valve gap casting die 18 can also be arranged at temperature control valve gap 17, and between valve gap casting die 18 and temperature control valve gap 17, be provided with temperature-sensing valve sealing cushion for cover 15, to improve air-tightness.
A preferred embodiment of the temperature-sensing valve of volumetric gas water heater is hereinafter described in more detail in conjunction with the use of gas heater.
Before using gas heater, at first a thermocouple is screwed in (see figure 4) on the magnetic valve 39, connect the Chang Minghuo pipe at place, Chang Minghuo gas outlet, connect pipeline respectively in air inlet, gas outlet.Then, water heater is lighted a fire.Adjustment turn-knob 14 is threaded to the bottom along clockwise direction, again hand control valve turn-knob 21 is transferred to Chang Minghuo road " igniting " (PILOT), just aim at the center of valve gap 9 indicating " igniting " recess (PILOT) above the hand control valve turn-knob 21.This moment, open the gas inlet pipe road, press lower push-rod knob 27, adopt a burning torch (also can adopt other firing tools) to light a fire, the gas at place, Chang Minghuo gas outlet is lighted under the effect of the Mars that burning torch produced.Thermocouple is because the generation dc source that is heated, thereby makes magnetic valve 39 adhesives.Afterwards, decontrol push rod knob 27.Referring to shown in Figure 4, gas guarantees that through magnetic valve 39, push-rod assembly 32, hand control valve assembly 19, wool felt 41, little thermal transfer joint screw 40, arrival Chang Minghuo gas outlet Chang Minghuo can not stop working in the working time.
After finishing the ignition procedure of gas heater, just need enter the heating schedule of water heater, to guarantee that in the use of water heater the Chang Minghuo of maintenance burning heats the cold water of the water heater of flowing through.At this moment, hand control valve knob 21 is rotated to main airway " open " (referring to Fig. 5), just hand control valve knob 21 is marked with the center that main airway " is opened " recess aligning valve gap 9 (ON).Then, turn-knob 14 rotations are regulated in temperature control be adjusted to required temperature, (under the situation that does not have the temperature control adjusting knob, also can directly rotate adjustment screw 11) the temperature control rotation meeting of regulating turn-knob 14 acts on apical axis 4, apical axis 4 and then stressed another end points that acts on lever 3 of butt joint with it by adjustment screw 11.Utilize 3 principles of lever, under the situation that temperature control plug 1-1 length remains unchanged, the meeting power transmission is in temperaturing control pressure seat 26, and then make temperaturing control pressure seat 26 act on action movie 25, when the power that is acted on acquires a certain degree, " Ka Ta " crisp sound takes place in action movie 25, the power that action movie 25 is produced acts on the power of temperature control valve gap 17 greater than pagoda spring 16, make thus between temperature-sensing valve sealing cushion for cover 15 and the valve body 7 and produce the gap, thereby conducting master gas port passage, gas arrives water heater ignition dish through main gas port passage, lights the ignition dish, thereby can the cold water of the water heater of flowing through be heated.
According to the utility model, temperature control tube 1 is made up of expanded by heating amount big copper pipe 1-2 and the small temperature control plug 1-1 of expanded by heating amount, and as shown in Figure 2, the end of the end of copper pipe 1-2 and temperature control plug 1-1 tightens together of temperature control tube 1.When water temperature reaches design temperature, owing to constitute two kinds of material expanded by heating coefficient differences of temperature control tube, the expanded by heating amount of copper pipe 1-2 is much larger than the expanded by heating amount of temperature control plug 1-1, thereby cause temperature control plug 1-1 in contract, make 3 stressed changing above the lever 3, impel temperaturing control pressure seat 26 recovery of the reset condition when not heating gradually.When the power that acts on action movie 25 during less than certain value, action movie 25 is returned to reset condition, sends " Ka Ta " crisp sound.Temperature control valve gap 17 is returned to reset condition under the effect of pagoda spring 16, impel temperature-sensing valve sealing cushion for cover 15 and valve body 7 closures, closes main gas port passage.In the process that water temperature reduces, constituting the copper pipe 1-2 of temperature control tube 1 and the expansion of temperature control plug 1-1 replys gradually, when water temperature drop to predetermined temperature, during for example than temperature required low 14-18 ℃, temperature control plug 1-1 is from the interior recovery reset condition that contracts, and temperature-sensing valve then utilizes 3 principles of lever to carry out the heating of water heater by above-described heating schedule again.
When closing water heater, at first close gas source, rotation hand control valve turn-knob 21 just is marked with hand control valve turn-knob 21 center that " pass " recess (OFF) is aimed at valve gap 9 to closing " pass " (OFF).Be rotated counterclockwise temperature adjustment knob 14 to the bottom, thereby close gas flow in the whole pipeline.
According to the utility model, a temperature protector 2 has been installed between temperature control plug 1-1 and copper pipe 1-2, this temperature protector 2 links to each other with connector 37 by electric wire.Magnetic valve 39 is fixed in by aluminium circle lid 38 in the outside of this connector 37, and its inside matches with its equipped thermocouple (not shown).In course of normal operation; the negative pole of thermocouple links to each other with an end of magnetic valve 39 electrodes by two connecting lines of this temperature protector 2; and the other end of this magnetic valve electrode links to each other with the positive pole of thermocouple by coil, valve seat in the magnetic valve 39, thereby impels the magnetic valve adhesive.But; when temperature-sensing valve breaks down in the working time and can't reach the adjustment purpose; for example when water temperature reaches 85 ℃; the swell increment that temperature protector 2 is produced opens circuit two connecting lines generations of temperature protector 2; thereby make magnetic valve lose electric current; close the air inlet of temperature-sensing valve, and then cut off flame burning in the ignition dish.
In addition, according to a preferred embodiment of the present utility model,, can realize by hand control valve assembly 19 introducing the Flow-rate adjustment of gas by being set.When find in the ignition dish fire too greatly or too hour, main controlled atmosphere joint screw cap 22 on the hand control valve turn-knob 21 can be screwed down, rotate main controlled atmosphere joint screw 19-5 then, main controlled atmosphere joint screw 19-5 acts on main controlled atmosphere joint stage clip 19-7, through big cup packing pad 19-10 and big leather cup liner 19-8, and then act on main gas current limliting plug 19-1, thus control the gap length of main gas current limliting plug 19-1 and manual spool 19-2, thus reach the purpose that the flow of introducing gas is regulated.Referring to Fig. 2, preferably, on manual spool 19-2, be provided with cartridge cover 19-6, cuticle bowl sealing gasket 19-3 and cuticle bowl fixture block 19-4, to improve air-tightness.More preferably, also be provided with big leather cup washer 19-9, cuticle bowl trim ring 19-11 and little leather cup washer 19-12, to strengthen air-tightness.

Claims (7)

1. volumetric gas water heater temperature-sensing valve, this temperature-sensing valve has temperature control tube (1), lever (3), apical axis (4), valve body (7), adjustment screw (11), hand control valve assembly (19), temperaturing control pressure seat (26), action movie (25), temperature control valve gap (17) and magnetic valve (39), it is characterized in that
Be provided with temperature control plug (1-1) and copper pipe (1-2) in temperature control tube (1), the axis of the recess of the axis of this temperature control plug (1-1) and lever (3) is coaxial;
Described hand control valve assembly (19) is arranged on the valve body (7), regulates by the hand control valve turn-knob (21) that is installed in its top;
One end of one end of described lever (3) and temperaturing control pressure seat (26) connects, the other end of temperaturing control pressure seat (26) connects with action movie (25) and steel wire packing ring (23) successively, the other end of this lever (3) and apical axis (4) connect, and dock with a recess between this lever (3) two ends on the top of temperature control plug (1-1);
Described apical axis (4) is by a tube connector (6) suit, and its afterbody docks with an end of an adjustment screw (11), and the other end of this adjustment screw (11) is threaded with a setscrew nut (12) and is fixing by a clamp nut (13); And
Between temperature control plug (1-1) and copper pipe (1-2), a temperature protector (2) has been installed also; this temperature protector (2) links to each other with a connector (37) by electric wire; the external stability of this connector (37) is in magnetic valve (39), matches with the thermocouple that is equipped with in the inside of this connector (37).
2. volumetric gas water heater temperature-sensing valve as claimed in claim 1 is characterized in that, also is provided with a temperature control adjusting knob (14), and this temperature control adjusting knob is installed on the setscrew nut (12) that is threaded with described adjustment screw (11).
3. volumetric gas water heater temperature-sensing valve as claimed in claim 1 or 2, it is characterized in that described hand control valve assembly (19) comprises the main gas current limliting plug (19-1) that is provided with along the axis of hand control valve turn-knob (21), be set in the manual spool (19-2) of this main gas current limliting plug (19-1), main controlled atmosphere joint screw (19-5), be arranged on main controlled atmosphere joint stage clip (19-7) under the main controlled atmosphere joint screw (19-5), be arranged on this main gas current limliting big cup packing pad (19-10) and the leather cup liner (19-8) greatly of side beyond the Great Wall.
4. volumetric gas water heater temperature-sensing valve as claimed in claim 3 is characterized in that, the manual spool (19-2) of described hand control valve assembly (19) is fixed on the described valve body (7) by a location jump ring (20).
5. volumetric gas water heater temperature-sensing valve as claimed in claim 3, it is characterized in that, described hand control valve assembly (19) also comprises along the cuticle bowl sealing gasket (19-3) on the described main gas current limliting plug of being positioned at of the axis setting of hand control valve turn-knob (19-1), cuticle bowl fixture block (19-4), cuticle bowl trim ring (19-11) and little leather cup washer (19-12), be set in the cartridge cover (19-6) of described main controlled atmosphere joint screw (19-5), be arranged on the big leather cup washer (19-9) between described controlled spool (19-2) and the cartridge cover (19-6).
6. volumetric gas water heater temperature-sensing valve as claimed in claim 3 is characterized in that, is provided with a main controlled atmosphere joint gland (22) on described hand control valve knob (21).
7. volumetric gas water heater temperature-sensing valve as claimed in claim 1 or 2 is characterized in that, described temperaturing control pressure seat (26) and described action movie (25), steel wire packing ring (23) and temperature control valve gap (17) are coaxial settings; Abut against described temperature control valve gap (17) and also be provided with a pagoda spring (16); On the convex shoulder of temperature control valve gap (17), be provided with temperature-sensing valve sealing cushion for cover (15) and fix by a discrete valve gap casting die (18).
CN 200420115350 2004-11-23 2004-11-23 Temp. control valve for volume gas water heater Expired - Fee Related CN2758653Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420115350 CN2758653Y (en) 2004-11-23 2004-11-23 Temp. control valve for volume gas water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420115350 CN2758653Y (en) 2004-11-23 2004-11-23 Temp. control valve for volume gas water heater

Publications (1)

Publication Number Publication Date
CN2758653Y true CN2758653Y (en) 2006-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420115350 Expired - Fee Related CN2758653Y (en) 2004-11-23 2004-11-23 Temp. control valve for volume gas water heater

Country Status (1)

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CN (1) CN2758653Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094977A (en) * 2009-12-11 2011-06-15 浙江三花股份有限公司 Thermostatic expansion valve
CN107701784A (en) * 2017-09-21 2018-02-16 宁波金欧五金制品有限公司 A kind of valve using separate type structure of controlling temperature
CN107701784B (en) * 2017-09-21 2024-05-31 宁波金欧五金制品有限公司 Valve adopting separated temperature control structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094977A (en) * 2009-12-11 2011-06-15 浙江三花股份有限公司 Thermostatic expansion valve
CN107701784A (en) * 2017-09-21 2018-02-16 宁波金欧五金制品有限公司 A kind of valve using separate type structure of controlling temperature
CN107701784B (en) * 2017-09-21 2024-05-31 宁波金欧五金制品有限公司 Valve adopting separated temperature control structure

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C19 Lapse of patent right due to non-payment of the annual fee
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