CN101482329B - Water valve outlet canal structure of water-gas ganged valve - Google Patents
Water valve outlet canal structure of water-gas ganged valve Download PDFInfo
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- CN101482329B CN101482329B CN2009100368953A CN200910036895A CN101482329B CN 101482329 B CN101482329 B CN 101482329B CN 2009100368953 A CN2009100368953 A CN 2009100368953A CN 200910036895 A CN200910036895 A CN 200910036895A CN 101482329 B CN101482329 B CN 101482329B
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- returnning spring
- aqueous vapor
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Abstract
The invention discloses a water valve drainage channel structure of a moisture interstage valve, comprising a drainage channel provided over the water valve body and communicated with a water storage cavity within the water valve body; characterized in that an individual one-way controlled pressure valve core is arranged on the drainage channel; the valve core comprises a bonnet that can slide within the drainage channel and a reset spring that is provided at the tail end of the bonnet and is located within the drainage channel, the top of the bonnet is blocked off in top pressure at a water inlet of the drainage channel by means of the reset spring. The invention individually controls the starting water pressure by arranging the individual one-way controlled pressure valve core on the drainage channel, thus realizing starting up a gas water heater with ultralow pressure water streams. The invention is simple in structure, low in the starting water pressure, suitable for the water valve drainage channel structures of the moisture interstage valves in a variety of the gas water heaters.
Description
Technical field
The present invention relates to the gas water-heater field, relate in particular to the water valve structure-improved of the aqueous vapor interstage valve that a kind of gas water-heater uses.
Background technique
At present, as number of patent application 200520120025.1, name is called the Chinese patent of " improved aqueous vapor interstage valve ", disclose a kind of improved aqueous vapor interstage valve and comprised water valve, link, elastic sealing strip, water inlet pipe fitting, and be positioned at the sensitive switch of link, the operating handle of sensitive switch is positioned at the link membranous disc, elastic sealing strip is between link membranous disc and water valve membranous disc, the hydraulic pressure voltage stabilizer is installed in the water inlet of water valve membranous disc, the water port that communicates with water valve in addition on the water valve membranous disc has a plug to block up and cooperates with the water port on the elastic sealing strip.Adopt such structure, water enters in the reservoir space of elastic sealing strip and water valve membranous disc chamber, when low pressure, the water yield reaches certain pressure, and elastic sealing strip is moved to the left, and elastic sealing strip touches operating handle, open sensitive switch, can play low hydraulic pressure to a certain extent and start.With respect to the prior art before this technology, breakout pressure decreases really.But in this structure, in water enters reservoir space between elastic sealing strip and the water valve membranous disc chamber, hydraulic pressure is pressing when described elastic sealing strip is moved to the left, also driving the stifled gap of opening of described plug strengthens, thereby vent flow is big when low hydraulic pressure starts, make the pressure in the reservoir be not easy to be held under low-pressure, so control mode combustion gas startup hydraulic pressure still must be than higher.
Summary of the invention
At the prior art deficiency, the present invention is special to propose a kind of simple in structure, water valve exhalant canal structure of starting the aqueous vapor interstage valve that the low gas water-heater of hydraulic pressure uses.Can be moved to the left and then start under the situation of gas control switch and combustion gas valve and just can start water heater can promoting elastic sealing strip in the water valve when low hydraulic pressure.
In order to reach above-mentioned technical purpose, the present invention has taked following technical proposals:
A kind of water valve exhalant canal structure of aqueous vapor interstage valve comprises the exhalant canal that is arranged on the described water valve valve-body, and described exhalant canal is communicated with the reservoir in the described water valve valve-body; It is characterized in that described exhalant canal is provided with independently unidirectional pressure control spool; Described spool comprises the bonnet that can slide and is arranged on the tail end of described bonnet and is positioned at Returnning spring in the described exhalant canal that the top of described bonnet is by means of the water intake of described Returnning spring roof pressure shutoff at described exhalant canal in described exhalant canal.
Described aqueous vapor interstage valve is the control valve that is applied in the gas water-heater, it comprise water valve and with the gas control valve door of water valve interlock.Be provided with elastic sealing strip in the wherein said water valve valve-body, described elastic sealing strip is divided into reservoir and counter balance pocket with the space in the water valve.Be full of reservoir in the described water valve valve-body by intake tunnel water inlet, water pressure pushing elastic sealing strip in the described reservoir moves, and then promotion and described elastic sealing strip disjunctor and be arranged on connecting rod in the counter balance pocket, described connecting rod and then open the combustion gas valve and touch the operating handle of sensitive switch, make sensitive switch cut-in point ignition source, start gas valve, reach the function of gas ignition.And the current that enter from intake tunnel flow out through the exhalant canal on the described water valve valve-body behind the described reservoir, enter heating pipe or water tank is heated.Because what also may be provided with the little water yield adjustment hole that adjusts water yield size on the described water valve valve-body and prevent the dry combustion method phenomenon often opens discharge orifice, so described exhalant canal is meant the passage that flows out the main water yield in the described reservoir.
Independently unidirectional pressure control spool is set on the described exhalant canal comes controlled water flow to flow out from exhalant canal, when current enter described reservoir, since described spool not with valve body in elastic sealing strip or the parts such as connecting rod that promote the sensitive switch action have mechanical connection, but independent the setting, therefore when low-pressure water enters reservoir at first, except that minority water flows out to the hot water pipeline by often opening discharge orifice, remaining water all by savings in reservoir and form the elastic sealing strip that pressure promotes in the valve body and move.
The top of described bonnet by means of the shutoff of described Returnning spring roof pressure on the water intake of described exhalant canal, be to enter described reservoir pressure accumulation in order to satisfy initial current, make the interior hydraulic pressure of described reservoir be enough to promote elastic sealing strip and move, and then open the combustion gas valve and touch sensitive switch.Because described bonnet can slidably reciprocate in described exhalant canal, along with the hydraulic pressure in the described reservoir constantly increases, described bonnet is compressed into described exhalant canal by current gradually, becomes big gradually thereby use water channel port, flow increases gradually, opens fully up to described exhalant canal.And when stopping into water, the hydraulic pressure in the described reservoir diminishes gradually, and under the effect of described Returnning spring, described bonnet resets, promptly the top of described bonnet again the roof pressure shutoff at the water intake of described exhalant canal.The tail end of described bonnet is located or be pressed on to one end of described Returnning spring, and its other end is positioned in the described exhalant canal, to reach the support of described bonnet and the effect of elastic reset.Described Returnning spring the mode in the described exhalant canal of being positioned at can adopt orientation types such as clamping that both cooperatively interact or welding, as long as can support described bonnet and its elastic reset just can.
The present invention can also be, at the earial drainage small side hole that the exhalant canal after described reservoir can lead directly to described bonnet is set on the described water valve valve-body.One end of described earial drainage small side hole is communicated with described reservoir, the other end is communicated with any described exhalant canal after described bonnet or the described water intake, thereby described earial drainage small side hole is often to open discharge orifice on the valve body, guarantees before fuel gas buring hot water channel's water and the dry combustion method phenomenon can not take place all the time.
The present invention can also be that described exhalant canal comprises water outlet duct and the spool installation duct that misplaces and be set up in parallel but be interconnected; Wherein said spool is installed described spool is installed in the duct, and described water outlet duct directly is not communicated with described reservoir; Current in the described reservoir flow into from described water intake, enter described water outlet duct again after described spool is installed the duct.Described water outlet duct and spool installation duct dislocation are set up in parallel but are interconnected, be that described water outlet duct is equivalent to the by-pass line that described spool is installed the duct, the center line of two sections tube passages staggers and is set up in parallel, the water inlet in described water outlet duct can be connected on tail end, stage casing or the leading portion that described spool is installed the duct, can also be that direct short circuit is communicated with described water intake, the tail end in wherein said spool installation duct can be communicated with the hot water pipeline of back, also can be blind plugging.Because described water outlet duct and spool are installed the duct dislocation and are set up in parallel, the water intake that described spool is installed the duct is exactly the water intake of described exhalant canal, when the bonnet of described spool is compressed and leave gradually described water intake by current, current enter described spool from described water intake the duct are installed, enter described water outlet duct again, finally, current are installed from described spool respectively and are flowed out heating pipe or the water tank that flows to gas water-heater converging together duct and the described water outlet duct.Certainly, be set to blind plugging if described spool is installed the tail end in duct, the current that enter described spool installation duct from described water intake all enter described water outlet duct again.The direct short circuit of water inlet in described water outlet duct is communicated with described water intake, the water inlet that is described water outlet duct directly is communicated with the described water intake that is positioned at described spool installation duct leading portion, because the bonnet of described spool is pressed on described water intake, therefore the bonnet of described spool can be controlled the current of whole described water intakes.
The present invention further can also be that described water outlet duct penetrates the chamber wall of described reservoir, between described water outlet duct and described reservoir dismountable dividing plate is set.Like this can be easily with the connected pore channel that may be provided with between machine tooling described water outlet duct and described water outlet duct and the described spool installation duct, after the connected pore channel machines between described water outlet duct and described water outlet duct and the described spool installation duct, cover with described dividing plate again and hide connected pore channel between described water outlet duct and described water outlet duct and the described spool installation duct, force described water outlet duct install between the duct and be communicated with described spool.
The present invention further can also be, dividing plate earial drainage aperture is set on the described dividing plate, and the current in the described reservoir can often flow to the property opened the heating pipe or the water tank of gas water-heater from this dividing plate earial drainage aperture, occurs the dry combustion method phenomenon when avoiding firm ignition combustion device; Because the aperture of described dividing plate earial drainage aperture is very little, it is little that it forms the igniting influence of hydraulic pressure to pressure accumulation in the described reservoir again.
The present invention can also be that dismountable snap ring is set on the described exhalant canal; Described spool is limited in the described exhalant canal by described snap ring, and the center hole of wherein said snap ring forms described water intake, the top of described bonnet by means of the shutoff of described Returnning spring roof pressure on the center hole of described snap ring.It is that spool is installed for convenience that described snap ring adopts removablies such as screw connection, clamping to be installed on the described exhalant canal, simultaneously described snap ring can avoid described bonnet because of the elastic reaction of the described Returnning spring water intake from described exhalant canal ejects, and has played the effect to described bonnet location.
The present invention can also be that the top front of described bonnet is spherical in shape, flat-top taper or cylindrical.During the top front of described bonnet peaceful addendum cone shape spherical in shape, the top front of described bonnet can form reliable location at described water intake.The distance of described water intake is left when identical in the top of wherein said bonnet, and the spherical radius or the cone angle of flat-top taper are big more, and vent flow is big more.It is trapezoidal that described flat-top taper is that axial cross section is.
The present invention can also be, the rear portion, top of described bonnet is provided with annular protrusion, and the top front of described bonnet passes freely through the center hole of described snap ring, described annular protrusion by means of described Returnning spring roof pressure on described snap ring.
The present invention can also be that the radially inner side of described snap ring is provided with a little groove of earial drainage.Be not provided with on described water valve valve-body like this when on earial drainage small side hole or the described dividing plate dividing plate earial drainage aperture not being set, the little groove of earial drainage can form the discharge orifice of often opening, and the current that make leakage enter along the inboard of described snap ring.
The present invention can also be, described snap ring and the described dividing plate formation cover plate that is connected as a single entity; Described cover plate is fastened on the described water valve valve-body by screw.Be convenient to its processing and installation like this.
The present invention can also be, the afterbody center of described bonnet is provided with blind hole, and an end roof pressure of described Returnning spring is in the bottom of described blind hole.Described blind hole is used to locate described Returnning spring.
The present invention can also be, the bottom of described blind hole is provided with the first Returnning spring positioning hole again, the internal diameter of described Returnning spring positioning hole basic with described Returnning spring the adaptive location of end diameter and less than the internal diameter of described blind hole.Can make the linkage structure between described Returnning spring and the described bonnet more stable by described Returnning spring being positioned in the described first Returnning spring positioning hole.
The present invention can also be that the bottom of described spool mounting hole is provided with the second Returnning spring positioning hole.The internal diameter of the described second Returnning spring positioning hole basic with described Returnning spring the adaptive location of end diameter and less than the internal diameter of described spool mounting hole.The internal diameter of the described second Returnning spring positioning hole is less than the internal diameter of described spool mounting hole, and then can avoid described Returnning spring and form friction between the hole wall of described spool mounting hole hindering.
The present invention can also be, described Returnning spring is a helical spring, and the coil diameter of the intermediate portion of described Returnning spring (not being the line footpath of spring) is less than the coil diameter of two-end part, and progressively diminishes with gradual manner.The spring characteristics of this structure are that its two ends circle mouthful diameter is big, and mesosphere mouth diameter is little, and promptly its elasticity coefficient also is small in ends broad in the middle.Adopt the Returnning spring of this structure, make described bonnet when constantly leaving described water intake, make Flexible Reset power F more constant, promptly guarantee when hanging down hydraulic pressure, can obtain the bigger and stable aperture or the water yield.Can prevent that also forming friction between the hole wall of the afterbody central blind hole of described Returnning spring and described bonnet or described spool mounting hole hinders.
The present invention can also be, described Returnning spring is a helical spring, and described Returnning spring is turriform.Its elasticity coefficient of the spring of this structure is gradual change, the reseting elasticity that described bonnet is kept in balance.Described turriform spring is meant that an end diameter is big, the spring that the other end diameter is little.
The present invention can also be, the inboard of described snap ring is provided with one section otch, and the degree of depth of described otch is less than the height of projection of described annular protrusion.Wherein, described otch is provided with along the inboard of described snap ring, like this when described annular protrusion roof pressure during at described snap ring inboard, described otch can be by described annular protrusion shutoff, but when described annular protrusion begins to leave described snap ring because of water pressure, described water intake can be enlarged rapidly, thereby improves water-outlet quantity.In like manner, be connected as a single entity when forming cover plate, also can adopt same structure at described snap ring and described dividing plate.
Compared with prior art, the invention has the beneficial effects as follows:
1, because described exhalant canal is provided with independently unidirectional pressure control spool, it has overcome, and the plug that is used for pressure control in the prior art blocks up and the elastic sealing strip of the operating handle of shake-up sensitive switch links mutually causes the fast defective of hydraulic pressure pressure release when hanging down hydraulic pressure, thereby independent control starts hydraulic pressure, has realized that the super-low voltage current start gas water-heater.
2, because the described exhalant canal of employing comprises water outlet duct and the spool that is set up in parallel but is interconnected that misplace the duct is installed; Wherein said spool is installed described spool is installed in the duct, and described water outlet duct directly is not communicated with described reservoir; Current in the described reservoir flow into from described water intake, after installing the duct, described spool enters described water outlet duct again, the direct short circuit of water inlet in perhaps described water outlet duct is communicated with described water intake, when having realized that super-low voltage starts sensitive switch, also can be implemented in and start the back current and flow to the heating pipe of gas water-heater or water tank etc. rapidly through described water outlet duct, avoid current generation resistance because of spool when spool is installed the duct, make moisturizings such as the heating pipe of water heater or water tank untimely, go out the less drawback of hot water amount.
3, owing to adopt described water outlet duct to penetrate the chamber wall of described reservoir, between described water outlet duct and described reservoir, dismountable dividing plate is set, and dividing plate earial drainage aperture is set on described dividing plate, can make described exhalant canal processing technology simple like this, easy processing.Dividing plate earial drainage aperture is set, and the current in the described reservoir can flow to the heating pipe or the water tank of gas water-heater from this dividing plate aperture, occur the dry combustion method phenomenon when avoiding firm ignition combustion device.
4, owing on the described exhalant canal dismountable snap ring is set, not only described snap ring forms water intake, also can avoid described bonnet because of the elastic reaction of the described Returnning spring water intake from described exhalant canal ejects, and has played the effect to described bonnet location.
5, because the rear portion, top of described bonnet is provided with annular protrusion, described annular protrusion by means of described Returnning spring roof pressure on described snap ring, thereby processing is simple, also avoid described bonnet to eject the water intake of described exhalant canal, and the structural relation between described bonnet and the described snap ring is more stable.
6, because the inboard of described snap ring is provided with a little groove of earial drainage, on described water valve valve-body, be not provided with when on earial drainage small side hole or the described dividing plate dividing plate earial drainage aperture not being set, the little groove of earial drainage can form the discharge orifice of often opening, the current that make leakage enter along the inboard of described snap ring, thereby avoid occurring the dry combustion method phenomenon.
7, the formation cover plate because described snap ring and described dividing plate are connected as a single entity; Described cover plate is fastened on the described water valve valve-body by screw, thereby is convenient to its processing and installation.
8, owing at the afterbody center of described bonnet blind hole is set, an end roof pressure of described Returnning spring is convenient to described Returnning spring is positioned in the bottom of described blind hole.
9, can make the linkage structure between described Returnning spring and the described bonnet more stable owing to described Returnning spring is positioned in the described first Returnning spring positioning hole, can avoid the inwall of described Returnning spring and described blind hole to rub again.
10, because the bottom of described spool mounting hole is provided with the second Returnning spring positioning hole again, but in the time of the described Returnning spring of held stationary, again because of the internal diameter of the described second Returnning spring positioning hole less than described spool mounting hole internal diameter can avoid the inwall of described Returnning spring and described spool mounting hole to rub, influence the accuracy and the stability of described spool pressure control.
11, because the diameter of the intermediate portion of described Returnning spring less than the diameter of two-end part, and progressively diminishes with gradual manner, or described Returnning spring is turriform, makes the working pressure of described bonnet stable.
Because the present invention has above-mentioned advantage, makes the water valve exhalant canal structure of the present invention applicable to the aqueous vapor interstage valve of various gas water-heaters.
Description of drawings
Fig. 1 is the cross-sectional schematic of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment one;
Fig. 2 is compressed cross-sectional schematic in the described exhalant canal 2 time for bonnet 3 described in the water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment one by hydraulic pressure;
Fig. 3 is the cross-sectional schematic of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment two;
Fig. 4 is the cross-sectional schematic of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment three;
Fig. 5 is the cross-sectional schematic of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment four;
Fig. 6 is the cross-sectional schematic of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment five;
Fig. 7 is the partial structurtes schematic representation of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment six;
Fig. 8 is the cross-sectional schematic of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment seven;
Fig. 9 is the top front partial structurtes schematic representation spherical in shape of bonnet described in a kind of water valve exhalant canal structure of aqueous vapor interstage valve of apparatus of the present invention embodiment eight;
Figure 10 is the partial structurtes schematic representation of platform taper for the top front of bonnet described in the water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment eight;
Figure 11 is provided with the partial schematic sectional view of annular protrusion 31 for the rear portion, top of bonnet 3 described in the water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment nine;
Figure 12 is the structural representation of snap ring 12 described in a kind of water valve exhalant canal structure of aqueous vapor interstage valve of apparatus of the present invention embodiment ten;
Figure 13 is the partial structurtes schematic representation of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 11;
Figure 14 is the partial structurtes schematic representation of flat-top taper for the top front of bonnet 3 described in the water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 12;
Figure 15 is the top front partial structurtes schematic representation spherical in shape of bonnet 3 described in a kind of water valve exhalant canal structure of aqueous vapor interstage valve of apparatus of the present invention embodiment 12;
Figure 16 is provided with the partial structurtes schematic representation of annular protrusion 31 for the rear portion, top of bonnet 3 described in the water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 13;
Figure 17 is the cross-sectional schematic of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 14;
Figure 18 is provided with the partial structurtes schematic representation of blind hole 32 for the afterbody center of bonnet 3 described in the water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 15;
Figure 19 is provided with the partial structurtes schematic representation of the first Returnning spring positioning hole 41 again for the bottom of blind hole 32 described in the water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 16;
Figure 20 is provided with the structural representation of the second Returnning spring positioning hole 42 for the bottom of spool mounting hole 23 described in the water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 17;
Figure 21 is the structural representation of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 18;
Figure 22 is the structural representation of Returnning spring 4 described in a kind of water valve exhalant canal structure of aqueous vapor interstage valve of apparatus of the present invention embodiment 19;
Figure 23 is the structural representation of Returnning spring 4 described in a kind of water valve exhalant canal structure of aqueous vapor interstage valve of apparatus of the present invention embodiment 20;
Figure 24 is the partial structurtes schematic representation of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 20;
Figure 25 is the structural representation of snap ring 12 described in a kind of water valve exhalant canal structure of aqueous vapor interstage valve of apparatus of the present invention embodiment 21;
Figure 26 is the partial structurtes schematic representation of Returnning spring 4 described in a kind of water valve exhalant canal structure of aqueous vapor interstage valve of apparatus of the present invention embodiment 21;
Figure 27 is the structural representation of water valve exhalant canal structure of a kind of aqueous vapor interstage valve of apparatus of the present invention embodiment 22;
Figure 28 is the structural representation of cover plate 13 described in a kind of water valve exhalant canal structure of aqueous vapor interstage valve of apparatus of the present invention embodiment 22.
Embodiment
Below in conjunction with accompanying drawing, further specify the specific embodiment of the present invention.
Embodiment one:
As shown in Figure 1, a kind of water valve exhalant canal structure of aqueous vapor interstage valve comprises the exhalant canal 2 that is arranged on the described water valve valve-body 1, and described exhalant canal 2 is communicated with the reservoir 11 in the described water valve valve-body 1; Described exhalant canal 2 is provided with independently unidirectional pressure control spool; Described spool comprises the bonnet 3 that can slide and is arranged on the tail end of described bonnet 3 and is positioned at spirality Returnning spring 4 in the described exhalant canal 2 that the top of described bonnet 3 is by means of the water intake 21 of described Returnning spring 4 roof pressure shutoff at described exhalant canal 2 in described exhalant canal 2.
Described aqueous vapor interstage valve comprise water valve and with the gas control valve door (not shown) of water valve interlock.Wherein, be provided with elastic sealing strip 6 in the described water valve valve-body 1, described elastic sealing strip 6 is divided into reservoir 11 and counter balance pocket 11a with the space in the water valve valve-body 1, and wherein counter balance pocket 11a also is communicated with (not shown) by a passage with described exhalant canal.The working procedure of described aqueous vapor interstage valve is to be full of reservoir 11 in the described water valve valve-body 1 by intake tunnel 8 water inlet, move by the water pressure pushing elastic sealing strip 6 in the reservoir 11, and then open the valve of blast tube and touch the operating handle 7 of sensitive switch, open the sensitive switch (not shown) that is arranged in the link 5, the cut-in point ignition source, start the gas control valve door, finally reach the function of gas ignition; And the current that enter from intake tunnel 8 flow out through the exhalant canal 2 on the described water valve valve-body 1 behind the described reservoir 11, enter heating pipe or water tank is heated.By independently unidirectional pressure control spool is set on described exhalant canal 2, control enters the operating handle 7 that described reservoir 11 interior current hydraulic pressure only need touch sensitive switch at first from intake tunnel 8, thereby open sensitive switch and valve, guarantee that simultaneously the heating pipe of gas water-heater or water tank be not by dry combustion method.The top of described bonnet 3 is to enter described reservoir 11 pressure accumulations in order to satisfy initial current on the water intake 21 of described exhalant canal 2 by means of described Returnning spring 4 roof pressure shutoff.Because described bonnet 3 can slidably reciprocate in described exhalant canal 2, along with the hydraulic pressure in the described reservoir 11 constantly increases, as shown in Figure 2, described bonnet 3 is compressed into described exhalant canal 2 by current gradually, thereby the water flow that enters exhalant canal 2 is increased gradually, open fully up to described exhalant canal 2.And when stopping into water, the hydraulic pressure in the described reservoir 11 diminish gradually, and under the effect of described Returnning spring 4, described bonnet 3 resets, that is: its top again the roof pressure shutoff at the water intake 21 of described exhalant canal 2.One end of described Returnning spring 4 is pressed on the tail end of described bonnet 3, and its other end clamping is positioned in the described exhalant canal 2, to reach the support of described bonnet 3 and the effect of elastic reset.
Embodiment two:
As shown in Figure 3, on embodiment one basis, the earial drainage small side hole 9 of the described exhalant canal 2 after setting can be led directly to described bonnet or described water intake from described reservoir on the described water valve valve-body 1.Earial drainage small side hole 9 is communicated with described reservoir and described exhalant canals 2, thereby described earial drainage small side hole 9 is often to open discharge orifice on the valve body, guarantees before fuel gas buring hot water channel's water and the dry combustion method phenomenon can not take place all the time.
Embodiment three:
As shown in Figure 4, on embodiment one basis, described exhalant canal 2 comprises water outlet duct 22 and the spool installation duct 23 that misplaces and be set up in parallel but be interconnected; Wherein said spool is installed described spool is installed in the duct 23, and described water outlet duct 22 directly is not communicated with described reservoir 11; Current in the described reservoir 11 flow into from described water intake 21, enter described water outlet duct 22 again after described spool is installed duct 23.When the bonnet 3 of described spool is compressed and leave gradually described water intake 21 by current, current enter described spool duct 23 are installed, and current are entered described water outlet duct 22 by shunting then.Finally, current are installed water heating pipe or the water tank that flows to gas water-heater converging together that flows out duct 23 and the described water outlet duct 22 from described spool respectively.
Embodiment four:
As shown in Figure 5, on embodiment three basis, the water inlet 221 direct short circuits in described water outlet duct 22 are communicated with described water intake 21.Can make the compact structure of described exhalant canal 2 like this, volume is littler.
Embodiment five:
As shown in Figure 6, on embodiment four basis, described water outlet duct 22 penetrates the chamber wall 110 of described reservoir 11, and dismountable dividing plate 10 is set between described water outlet duct 22 and described reservoir 11.
Embodiment six:
As shown in Figure 7, on embodiment five basis, dividing plate earial drainage aperture 101 is set on the described dividing plate 10, and the current in the described reservoir 11 can flow to the heating pipe or the water tank of gas water-heater from this dividing plate earial drainage aperture 101, occur the dry combustion method phenomenon when avoiding firm ignition combustion device; Because the aperture of described dividing plate earial drainage aperture 101 is very little, it is little to the igniting influence of hydraulic pressure in the described reservoir 11 again.
Embodiment seven:
As shown in Figure 8, on embodiment three basis, clamping is equipped with snap ring 12 on the described spool installation duct 22 in the described exhalant canal 2; Described spool is limited at described spool by described snap ring 12 and installs in the duct 23, the top of wherein said bonnet 3 by means of described Returnning spring 4 roof pressure shutoff on the center hole 121 of described snap ring 12, the center hole 121 of described snap ring 12 forms described water intake 21, described snap ring 12 can avoid described bonnet 3 because of the elastic reaction of described Returnning spring 4 water intake 21 from described exhalant canal 2 ejects, and has played the effect to described bonnet 3 location.Wherein, the top front of described bonnet 3 is cylindrical.
Embodiment eight:
As shown in Figure 9, be that with embodiment seven difference the top front of described bonnet 3 is spherical in shape, or as shown in figure 10, be the flat-top taper.During the top front 30 of described bonnet 3 peaceful addendum cone shape spherical in shape, the top front 30 of described bonnet 3 can form reliable location at described water intake 21.The distance of described water intake 21 is left when identical in the top 30 of wherein said bonnet 3, and the spherical radius or the cone angle of flat-top taper are big more, and vent flow is big more.The axial cross section of described flat-top taper is trapezoidal, and described cone angle is that the dual-side of described flat-top taper extends the angle that intersects.
Embodiment nine:
As shown in figure 11, on embodiment eight basis, the rear portion, top of described bonnet 3 is provided with annular protrusion 31, the top front 30 of described bonnet 3 passes freely through the center hole 121 of described snap ring 12, described annular protrusion 31 by means of described Returnning spring 4 roof pressures on described snap ring 12, thereby by the described water intake 21 of described annular protrusion 31 shutoff.
Embodiment ten:
As shown in figure 12, on embodiment seven basis, the radially inner side of described snap ring 12 is provided with a little groove 122 of earial drainage.The little groove 122 of described earial drainage can form often opens discharge orifice.
Embodiment 11:
As shown in figure 13, on embodiment five basis, described spool is installed on the duct 23 dismountable snap ring 12 is set; Described spool is limited at described spool by described snap ring 12 and installs in the duct 23, the center hole 121 of wherein said snap ring 12 forms described water intake, the top of described bonnet 3 by means of described Returnning spring 4 roof pressure shutoff on the center hole 121 of described snap ring 12.Wherein, the top front of described bonnet 3 is cylindrical.
Embodiment 12:
As shown in figure 14, the difference with embodiment 11 is that the top front of described bonnet is the flat-top taper; Or as shown in figure 15, the top front of described bonnet is spherical in shape.The axial cross section of described flat-top taper is trapezoidal, and described cone angle is that the dual-side of described flat-top taper extends the angle that intersects.
Embodiment 13:
As shown in figure 16, on embodiment 12 basis, the rear portion, top of described bonnet 3 is provided with annular protrusion 31, the top front of described bonnet 3 passes freely through the center hole 121 of described snap ring 12, described annular protrusion 31 by means of described Returnning spring 4 roof pressures on described snap ring 12, thereby by the described water intake 21 of described annular protrusion 31 shutoff.
Embodiment 14:
As shown in figure 17, on embodiment 13 basis, described snap ring 12 is connected as a single entity with described dividing plate 10 and forms cover plate 13; Described cover plate 13 is fastened on the inwall of described water valve valve-body 1 by screw.Be convenient to its processing and installation like this.
Embodiment 15:
As shown in figure 18, on embodiment 14 basis, the afterbody center of described bonnet 3 is provided with blind hole 32, and an end roof pressure of described Returnning spring 4 is in the bottom of described blind hole 32.Described blind hole 32 is used to locate described Returnning spring 4.
Embodiment 16:
As shown in figure 19, on embodiment 15 basis, the bottom of described blind hole 32 is provided with the first Returnning spring positioning hole 41 again, the internal diameter of the described first Returnning spring positioning hole 41 basic with described Returnning spring 4 the adaptive location of end diameter and less than the internal diameter of described blind hole 32.Can make the linkage structure between described Returnning spring 4 and the described bonnet 3 more stable by described Returnning spring 4 being positioned in the described first Returnning spring positioning hole 41.
Embodiment 17:
As shown in figure 20, on embodiment 14 basis, the bottom of described spool mounting hole 23 is provided with the second Returnning spring positioning hole 42.The internal diameter of the described second Returnning spring positioning hole 42 basic with described Returnning spring 4 the adaptive location of end diameter and less than the internal diameter of described spool mounting hole 23.
Embodiment 18:
As shown in figure 21, on embodiment 16 basis, the first Returnning spring positioning hole 41 and the second Returnning spring positioning hole 42 are set simultaneously, locate respectively wherein at the two ends of described Returnning spring 4, makes the work structuring of whole spool more stable.
Embodiment 19:
As shown in figure 22, with embodiment one difference be, described Returnning spring 4 is helical springs, and the coil diameter of position, intermediate portion 44 is less than the coil diameter of two-end part 43, and progressively diminishes with gradual manner.The spring characteristics of this structure are that its two ends diameter is big, and mid diameter is little, and its elasticity coefficient is small in ends broad in the middle, can make the working pressure of described bonnet 3 stable.
Embodiment 20:
As Figure 23 and shown in Figure 24, with embodiment 19 difference be, described Returnning spring 4 is helical springs, and described Returnning spring 4 is turriform, and the diameter of one end 45 is little, and the diameter of the other end 46 is big, and the spring of ascending gradual change successively.Its elasticity coefficient of the spring of this structure is gradual change, the reseting elasticity that described bonnet 3 is kept in balance.
Embodiment 21:
As Figure 25 and shown in Figure 26, on embodiment nine basis, the inboard of described snap ring 12 is provided with one section otch 123, and the degree of depth of described otch 123 is less than the height of projection of described annular protrusion 31.Wherein, described otch 123 is provided with along the inboard of described snap ring 12, like this when described annular protrusion 31 roof pressures during at described snap ring 12 inboard, described otch 123 can be by described annular protrusion 31 shutoff, but at described annular protrusion 31 because of water pressure begins to leave during described snap ring 12, described water intake 21 can be enlarged rapidly, thereby improves water-outlet quantity.
Embodiment 22:
As Figure 27 and shown in Figure 28, on embodiment 14 basis, described snap ring 12 is connected as a single entity with described dividing plate 10 and forms cover plate 13, in the inboard of described snap ring 12 one section otch 123 is set, and the degree of depth of described otch 123 is less than the height of projection of described annular protrusion 31.Wherein, described otch 123 is provided with along the inboard of described snap ring 12, like this when described annular protrusion 31 roof pressures during at described snap ring 12 inboard, described otch 123 can be by described annular protrusion 31 shutoff, but at described annular protrusion 31 because of water pressure begins to leave during described snap ring 12, described water intake 21 can be enlarged rapidly, thereby improves water-outlet quantity.
Claims (20)
1. the water valve exhalant canal structure of an aqueous vapor interstage valve comprises the exhalant canal that is arranged on the described water valve valve-body, and described exhalant canal is communicated with the reservoir in the described water valve valve-body; Described exhalant canal is provided with independently unidirectional pressure control spool; Described spool comprises the bonnet that can slide and is arranged on the tail end of described bonnet and is positioned at Returnning spring in the described exhalant canal that the top of described bonnet is by means of the water intake of described Returnning spring roof pressure shutoff at described exhalant canal in described exhalant canal; It is characterized in that described exhalant canal comprises water outlet duct and the spool installation duct that misplaces and be set up in parallel but be interconnected; Wherein said spool is installed described spool is installed in the duct, and described water outlet duct directly is not communicated with described reservoir; Current in the described reservoir flow into from described water intake, enter described water outlet duct again after described spool is installed the duct.
2. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 1 is characterized in that, at the earial drainage small side hole that the exhalant canal after described reservoir can lead directly to described bonnet is set on the described water valve valve-body.
3. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 2 is characterized in that, the direct short circuit of water inlet in described water outlet duct is communicated with described water intake.
4. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 3 is characterized in that described water outlet duct penetrates the chamber wall of described reservoir, between described water outlet duct and described reservoir dismountable dividing plate is set.
5. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 4 is characterized in that, dividing plate earial drainage aperture is set on the described dividing plate.
6. according to the water valve exhalant canal structure of claim 1,2 or 3 described aqueous vapor interstage valves, it is characterized in that, dismountable snap ring is set on the described exhalant canal; Described spool is limited in the described exhalant canal by described snap ring, and the center hole of wherein said snap ring forms described water intake, the top of described bonnet by means of the shutoff of described Returnning spring roof pressure on the center hole of described snap ring.
7. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 6 is characterized in that the top front of described bonnet is spherical in shape, flat-top taper or cylindrical.
8. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 7, it is characterized in that, the rear portion, top of described bonnet is provided with annular protrusion, the top front of described bonnet passes freely through the center hole of described snap ring, described annular protrusion by means of described Returnning spring roof pressure on described snap ring.
9. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 6 is characterized in that, the radially inner side of described snap ring is provided with a little groove of earial drainage.
10. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 4 is characterized in that, described spool is installed on the duct dismountable snap ring is set; Described spool is limited at described spool by described snap ring and installs in the duct, and the center hole of wherein said snap ring forms described water intake, the top of described bonnet by means of the shutoff of described Returnning spring roof pressure on the center hole of described snap ring.
11. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 10 is characterized in that the top front of described bonnet is spherical in shape, flat-top taper or cylindrical.
12. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 11, it is characterized in that, the rear portion, top of described bonnet is provided with annular protrusion, the top front of described bonnet passes freely through the center hole of described snap ring, described annular protrusion by means of described Returnning spring roof pressure on described snap ring.
13. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 12 is characterized in that, described snap ring and the described dividing plate formation cover plate that is connected as a single entity; Described cover plate is fastened on the described water valve valve-body by screw.
14. the water valve exhalant canal structure according to claim 1,2,3,4,5,10,11,12 or 13 described aqueous vapor interstage valves is characterized in that the afterbody center of described bonnet is provided with blind hole, an end roof pressure of described Returnning spring is in the bottom of described blind hole.
15. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 14 is characterized in that the bottom of described blind hole is provided with the first Returnning spring positioning hole again; The internal diameter of the described first Returnning spring positioning hole basic with described Returnning spring the adaptive location of end diameter and less than the internal diameter of described blind hole.
16. the water valve exhalant canal structure according to claim 1,3,4,10,11,12 or 13 described aqueous vapor interstage valves is characterized in that the bottom of described spool mounting hole is provided with the second Returnning spring positioning hole; The internal diameter of the described second Returnning spring positioning hole basic with described Returnning spring the adaptive location of end diameter and less than the internal diameter of described spool mounting hole.
17. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 1, it is characterized in that, described Returnning spring is a helical spring, and the coil diameter of the intermediate portion of described Returnning spring is less than the coil diameter of two-end part, and progressively diminishes with gradual manner.
18. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 1 is characterized in that described Returnning spring is a helical spring, described Returnning spring is turriform.
19. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 8 is characterized in that the inboard of described snap ring is provided with one section otch, the degree of depth of described otch is less than the height of projection of described annular protrusion.
20. the water valve exhalant canal structure of aqueous vapor interstage valve according to claim 13 is characterized in that the inboard of described snap ring is provided with one section otch, the degree of depth of described otch is less than the height of projection of described annular protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100368953A CN101482329B (en) | 2009-01-22 | 2009-01-22 | Water valve outlet canal structure of water-gas ganged valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100368953A CN101482329B (en) | 2009-01-22 | 2009-01-22 | Water valve outlet canal structure of water-gas ganged valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101482329A CN101482329A (en) | 2009-07-15 |
| CN101482329B true CN101482329B (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100368953A Expired - Fee Related CN101482329B (en) | 2009-01-22 | 2009-01-22 | Water valve outlet canal structure of water-gas ganged valve |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253827B (en) * | 2020-09-29 | 2021-10-26 | 宁波方太厨具有限公司 | Water flow stabilizing valve and gas water heater using same |
| CN113969827B (en) * | 2021-11-01 | 2023-02-17 | 一汽解放汽车有限公司 | Drainage device and intercooler |
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