CN2434483Y - Gas valve open/close structure of improved gas water heater - Google Patents
Gas valve open/close structure of improved gas water heater Download PDFInfo
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- CN2434483Y CN2434483Y CN 00238695 CN00238695U CN2434483Y CN 2434483 Y CN2434483 Y CN 2434483Y CN 00238695 CN00238695 CN 00238695 CN 00238695 U CN00238695 U CN 00238695U CN 2434483 Y CN2434483 Y CN 2434483Y
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Abstract
The utility model relates to an opening and closing structure of a gas valve of an improved gas water heater. The utility model is arranged on an air inlet valve controlled by a water disk in the gas valve body, and is composed of a main valve plug, an auxiliary valve plug, and springs. The top of the main valve plug is provided with a vent groove, wherein, the interior of which is provided with the auxiliary valve plug. The main valve plug is provided with a main spring, and is contacted and supported with a seal cover in the valve body. The top of the auxiliary valve plug is provided with a first spring and a second spring. The main valve plug is pressed, covered and sealed the air inlet valve, and the auxiliary valve plug is pressed, covered and sealed an air guiding hole. The vent groove of the main valve plug is provided with a notch groove. The utility model can be matched with different water flow to automatically regulate the released gas quantity for the burning of a main stove. Thus, the hot water keeps the set temperature, and the hot water can not have the overheating state or the athermal state.
Description
The utility model relates to a kind of gas valve switch structure, relates in particular to a kind of gas valve switch structure of gas heater of improvement.
Gas air intake valve switch with the water pond interlock in the general gas heater gas valve body is the design that single hop opens and closes, and promptly when water pond was subjected to water flow pressure, the gas valve is complete opening just; And water flow pressure is when eliminating, and the gas valve is just closed fully.But this kind valve switch has a bigger shortcoming, promptly can't cooperate the water yield to adjust the gas air inflow automatically and cause the hot water superheating phenomenon, it mainly is because the design of the gas air inflow of this gas valve when opening, be only to be heated to institute's palpus temperature at the maximum flow of water amount, yet when water flow hour, this valve switch also can be opened, but because of the little gas amount of the water yield big, form big stove fire and burn little water yield situation, and the overheated phenomenon of generation hot water, for this reason, in the streets release a kind of two-part valve switch, its form such as Figure 10, shown in Figure 11.
As shown in Figure 2, this kind valve switch also cooperates the cluster spring structure to form by main valve plug (11) with secondary valve plug (12), wherein main valve plug (11) is provided with axis hole (112) and gas port (113), at main valve plug (11) end face one secondary valve plug (12) is set, this two valve plug all has spring to shore, make main valve plug (11) sealing air intake valve (22), secondary valve plug (12) then seals the gas port (113) of main valve plug (11).The push rod of water pond (31) is the body of rod of two sections different-diameters, and first section bar footpath is less than the aperture of the gas port (113) of main valve plug (11), and second section bar footpath is then greater than the aperture of gas port (113).During normality, this first section bar is inserted in the axis hole (112) of main valve plug (11) and conflicts with secondary valve plug (12) bottom.This kind valve switch is called two-part, be characterized in having two kinds of different gas air inflows and cooperate water flow, promptly, when water flow is little, water pond push rod (31) upwards pass and by first section bar with secondary valve plug (12) pushing tow, open the gas port (113) of main valve plug (11), only allow gas in a small amount burn by supplying main stove, make stove water be unlikely to excessive and cause hot water overheated, and when water flow is big, the big distance of the push rod of water pond (31) displacement allows second section masthead push away main valve plug (11) and with air intake valve (22) complete opening, makes maximum gas amount for main stove burning.Yet, the effect that this kind two-part valve switch is reached is not attained ideal, because it only has minimum, maximum two kinds of gas flows, and the water flow between minimum gas amount to maximum gas amount is opened and inequality, perhaps the minimum water flow that minimum gas amount enough will be opened secondary valve plug (12) is heated to default temperature, if but water flow just is in this during the maximum flow of water amount in stage, this minimum gas amount probably is not enough to be heated to default temperature, causes the not hot phenomenon of hot water; Opposite, if will be minimal to maximum gas amount and open pitch smaller (promptly shortening the length of first section bar of push rod) time, when maximum gas amount is opened, then can produce the situation of the little water of big baked wheaten cake, cause in the overheated situation of the hot water in certain stage.
Learn that by above-mentioned this kind two-part valve switch still can allow water heater produce not hot or superheating phenomenon in certain during water flow in stage, so this kind structural design is not attained ideal yet.For this reason, this case creator satisfies at the shortcoming of this structure and is improved, through long-time research idea, finish finally a kind of can the non-section type of the corresponding gas amount of conducting be adjusted gas air intake valve construction of switch automatically with the water flow size.
Main purpose of the present utility model is, a kind of gas valve switch structure of gas heater of improvement is provided, form a vent slot at the main valve plug top with ccontaining secondary valve plug, and offer gap slot at cell wall, whereby, allow secondary valve plug at the different gas amount of different displacement conductings, make its reach in office why not with water flow the time, all hot water can be heated to default temperature.
The purpose of this utility model is realized by following technological scheme.
A kind of gas valve switch structure of gas heater of improvement, it is to be arranged in the gas valve body, be provided with gas pipeline in the gas valve body, pipeline one side is the gas inlet, the top is a gas export, the bottom engages a water pond, the other end engages pressure differential disc, is formed with the gas air intake valve in the pipeline in addition and gives vent to anger valve, and valve switch is arranged on the air intake valve, give vent to anger valve then by pressure differential disc in conjunction with valve plug to control its keying, this valve switch is made up of main valve plug and secondary valve plug, and main valve plug is provided with axis hole and gas port, and the top of two valve plugs is all shored by spring, make main valve plug capping air intake valve, secondary valve plug capping gas port; The barrier film of water pond is connected with a push rod, this push rod has first section bar and second section bar in different circles footpath, first section bar passes through the main valve plug axis hole and conflict bottom secondary valve plug, the diameter of second section bar is greater than axis hole, it is characterized in that, described main valve plug top forms a vent slot with ccontaining secondary valve plug, the cell wall of this vent slot is cut and is established several gap slots, establish a main spring on the main valve plug and stay on sealing cover bottom surface in the valve body, secondary valve plug top is provided with one and keeps second spring of a spacing with conflict first spring shored and top and sealing cover of sealing cover.
The purpose of this utility model can also further realize by following technical measures.
The gas valve switch structure of the gas heater of aforesaid improvement, the gap slot bottom of main valve plug wherein are to keep a distance with the main valve plug top surface.
The gas valve switch structure of the gas heater of aforesaid improvement, the vent slot of main valve plug wherein can be located at the bottom, make vent slot insert air intake valve, also are provided with gap slot on the cell wall.
For further understanding technology contents of the present utility model, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:
Fig. 1 is a main valve plug structural upright schematic representation of the present utility model.
Fig. 2 is that main valve plug structure of the present utility model is implemented illustration.
Fig. 3 is that main valve plug assembling of the present utility model sets schematic representation.
Fig. 4 A～Fig. 4 D is the utility model valve switch action form schematic representation.
The traffic conditions schematic representation of gas when Fig. 5～Fig. 8 is the running of the utility model valve switch.
Fig. 9 is the assembly schematic representation of another example of main valve plug of the present utility model.
Figure 10 is a schematic appearance of commonly using the main valve plug structure.
Figure 11 commonly uses the main valve plug assembling to set schematic representation.
See also Fig. 1 and shown in Figure 3, the utility model valve switch (10) is on the air intake valve (22) that is arranged in the gas heater gas valve body (20), this gas valve body (20) is provided with gas pipeline, pipeline one side is that gas inlet (21) engages with the adapter in gas source, the top then is gas export (24) and engages (not shown) with main stove, its bottom side engages with water pond (30), opposite side then engages and is formed with gas air intake valve (22) in pressure differential disc (40) pipeline in addition and gives vent to anger valve (23), on air intake valve (22), establish valve switch (10), the valve of giving vent to anger (23) then by pressure differential disc (40) in conjunction with valve plug to control its keying.This valve switch (10) is made up of main valve plug (11) and secondary valve plug (12), main valve plug (11) is provided with axis hole (112) and gas port (113), main valve plug is provided with a main spring (13) and stays under the sealing cover (25), make main valve plug (11) press sealing air intake valve (22), secondary valve plug (12) top then is provided with the gas port (113) of first and second spring (15) (14) so as to sealing main valve plug (11).The barrier film (32) of valve body (20) bottom side water pond (30) is connected with a push rod (31), this push rod (31) also forms first section bar (311) and second section bar (312) in different circles footpath, the diameter of this first section bar (311) must be less than the aperture of main valve plug axis hole (112), the diameter of second section bar (312) then must be greater than axis hole (112) aperture, when normality, first section bar (311) of this push rod (31) passes the axis hole (112) of main valve plug (11) and contacts at the bottom of secondary valve plug (12).
See also Fig. 4 A～Fig. 4 D and Fig. 5～shown in Figure 8, the utility model mainly improvement place is to form a vent slot (111) (please cooperate shown in Figure 1) at the top of main valve plug (11), and secondary valve plug (12) is placed in the vent slot (111), cut the gap slot of establishing more than several (115) at the cell wall (114) of vent slot, bottom of each gap slot (115) and main valve plug (11) top surface keep a specific range, as Fig. 4 A and shown in Figure 5, main valve plug (11) is gone up with main spring (13) and sealing cover (25) and is shored so as to air intake valve (22) is closed, secondary valve plug (12) is placed in the vent slot (111) of main valve plug (11), be provided with first spring (15) and second spring (14) at the top, shore by first spring (15) and sealing cover (25) gas port (113) is closed, the top of second spring (14) then keeps a spacing with the bottom surface of sealing cover (25), and be that vice valve plug (12) is loose fit with vent slot (111), so the inwall with secondary valve plug (12) and vent slot (111) has the space as demonstration among the figure.As Fig. 4 B and shown in Figure 6, when water pond (30) is subjected to flow hydraulic pressure, water pond barrier film (32) be subjected to roof pressure and push rod (31) upwards passed and by secondary valve plug of its first section bar (311) pushing tow (12) to remove sealing to gas port (113), and this thrust is enough to allow first spring (15) produce compression, when being moved to second spring (14) also conflict and stop when shoring (as the form as shown in the drawing) with sealing cover (25), the distance that secondary valve plug this moment (12) moves does not arrive the position of opening gap slot (114), and gas is to be infiltrated by the gap of vent slot (111) inwall and secondary valve plug (12), with the gas air inflow of this kind gas flow as minimum.As Fig. 4 C and shown in Figure 7, be enough to allow simultaneously first and second spring (15) (14) when compression when water flow adds ambassador's thrust, move on the secondary valve plug (12) and open gap slot (114) and allow gas go into gas port (113) to allow influx to increase gas by gap slot (115) direct current.When water flow is big more, the past more rising of secondary valve plug (12), gap slot (115) is opened big more, and then it allows that influx improves more, and the gas air inflow is increased.In other words, in this zone, form a kind of automatic non-section type and adjust gas air inlet form, can be with the difference of water flow the gas of the different amounts of conducting, make the stove fire size be maintained at a specific phase contrast ratio with water yield size, can not produce overheated or not hot situations such as little water of big baked wheaten cake or little baked wheaten cake big flood, allow the temperature of hot water can remain in default temperature at any time.Fig. 4 D and Figure 8 shows that the situation that the maximum flow of water amount is used, the water flow pressure of this moment is enough to allow first, second and main spring (15), (14) (13) produce compression simultaneously, the second section bar (312) that moves push rod (31) in the event shored main valve plug (11) and with air intake valve (22) complete opening, with the gas amount of maximum for of the water flow burning of main stove to maximum.
The quantity of the gas port (113) of main valve plug of the present utility model (11) and size are that engages indentation groove (115) is done design relatively, the max-flow flux that is about to gas port (113) is set in total resultant of all gap slots (115) full open, so can utilize gap slot (11) to reach and not have the effect that section is adjusted.
See also Fig. 2 and shown in Figure 9 again, main valve plug of the present utility model (11) can be done the change of another kind of form, it is that the vent slot of main valve plug (11) (111) is designed in the bottom, vent slot (111) is inserted in the air intake valve (22), its cell wall (114) also is provided with gap slot (115), and it is different from aforementioned part and is, shorten length with first section bar (311) of push rod (31), make the secondary valve plug (12) of its pushing tow when minimum water flow and the gas port (113) of unlatching main valve plug (11), the current that increase flow immediately just make second section bar (312) pushing tow main valve plug (11) of push rod (31), make non-section type by the gap slot (115) of vent slot (111) and adjust air guide with the degree of main valve plug (11) rising, and when the maximum flow of water amount, the vent slot (111) of main valve plug (11) top is reached the complete opening state from air intake valve (22).Certainly, at this moment, secondary valve plug (12) only need be established a spring, and the form that is provided with of former first and second spring then changes and places on the main valve plug (11), to reach the effect that best automatic no section is adjusted.
In sum, the utility model utilizes exquisite improvement design, and the air intake valve of gas heater is cooperated with it with non-section type conducting gas amount with the size of water flow, no matter allow gas heater under any water flow, all can allow hot water remain in the temperature of setting, solve often overheated or not hot shortcoming of gas heater water temperature fully, cause scald because of abnormal water temperature changes when avoiding using, to improve its practicability, meet novel patent requirement.
Claims (3)
1, a kind of gas valve switch structure of gas heater of improvement, it is to be arranged in the gas valve body, be provided with gas pipeline in the gas valve body, pipeline one side is the gas inlet, the top is a gas export, the bottom engages a water pond, the other end engages pressure differential disc, is formed with the gas air intake valve in the pipeline in addition and gives vent to anger valve, and valve switch is arranged on the air intake valve, give vent to anger valve then by pressure differential disc in conjunction with valve plug to control its keying, this valve switch is made up of main valve plug and secondary valve plug, and main valve plug is provided with axis hole and gas port, and the top of two valve plugs is all shored by spring, make main valve plug capping air intake valve, secondary valve plug capping gas port; The barrier film of water pond is connected with a push rod, this push rod has first section bar and second section bar in different circles footpath, first section bar passes through the main valve plug axis hole and conflict bottom secondary valve plug, the diameter of second section bar is greater than axis hole, it is characterized in that, described main valve plug top forms a vent slot with ccontaining secondary valve plug, the cell wall of this vent slot is cut and is established several gap slots, establish a main spring on the main valve plug and stay on sealing cover bottom surface in the valve body, secondary valve plug top is provided with one and keeps second spring of a spacing with conflict first spring shored and top and sealing cover of sealing cover.
2, the gas valve switch structure of the gas heater of improvement according to claim 1 is characterized in that, the gap slot bottom of described main valve plug is to keep a distance with the main valve plug top surface.
3, the gas valve switch structure of the gas heater of improvement according to claim 1 is characterized in that, the vent slot of described main valve plug can be located at the bottom, makes vent slot insert air intake valve, also is provided with gap slot on the cell wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00238695 CN2434483Y (en) | 2000-06-27 | 2000-06-27 | Gas valve open/close structure of improved gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00238695 CN2434483Y (en) | 2000-06-27 | 2000-06-27 | Gas valve open/close structure of improved gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2434483Y true CN2434483Y (en) | 2001-06-13 |
Family
ID=33599705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00238695 Expired - Fee Related CN2434483Y (en) | 2000-06-27 | 2000-06-27 | Gas valve open/close structure of improved gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2434483Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094656A1 (en) * | 2012-12-21 | 2014-06-26 | Fisher Regulators (Shanghai) Co., Ltd. | Disc assembly with branch hole for fluid flow control device |
| US8955541B2 (en) | 2012-12-21 | 2015-02-17 | Fisher Regulators (Shanghai) Co., Ltd. | Disc assembly with branch hole for fluid flow control device |
| CN105065713A (en) * | 2015-08-11 | 2015-11-18 | 华南理工大学 | Intake valve with pressure regulating function |
| CN107131305A (en) * | 2017-05-09 | 2017-09-05 | 厦门匠仕工业设计有限公司 | A kind of pressure relief and the angle valve with the pressure relief |
-
2000
- 2000-06-27 CN CN 00238695 patent/CN2434483Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094656A1 (en) * | 2012-12-21 | 2014-06-26 | Fisher Regulators (Shanghai) Co., Ltd. | Disc assembly with branch hole for fluid flow control device |
| US8955541B2 (en) | 2012-12-21 | 2015-02-17 | Fisher Regulators (Shanghai) Co., Ltd. | Disc assembly with branch hole for fluid flow control device |
| CN105065713A (en) * | 2015-08-11 | 2015-11-18 | 华南理工大学 | Intake valve with pressure regulating function |
| CN107131305A (en) * | 2017-05-09 | 2017-09-05 | 厦门匠仕工业设计有限公司 | A kind of pressure relief and the angle valve with the pressure relief |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |