CN114215932A - 90-degree three-cavity piezoelectric energy-saving valve - Google Patents
90-degree three-cavity piezoelectric energy-saving valve Download PDFInfo
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- CN114215932A CN114215932A CN202111413423.2A CN202111413423A CN114215932A CN 114215932 A CN114215932 A CN 114215932A CN 202111413423 A CN202111413423 A CN 202111413423A CN 114215932 A CN114215932 A CN 114215932A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/083—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
- F16K11/0836—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a 90-degree three-cavity piezoelectric energy-saving valve, wherein when a valve core is arranged at a 90-degree position, a central fire and an outer ring fire are big fires, the middle ring fire is closed, and the 90-degree position of the valve core is set as an ignition position; when the valve core is at the position of 130 degrees, the central fire is big fire, the outer ring fire is small fire, and the middle ring fire is closed; when the valve core is at the position of 165 degrees, the central fire is the middle fire, and the outer ring fire and the middle fire are closed; when the valve core is at the position of 180 degrees, the central fire is small fire, and the outer ring fire and the middle ring fire are closed; when the valve core is at the position of 215 degrees, the central fire is small fire, and the outer ring fire and the middle ring fire are closed; when the valve core is at 245 DEG, the central fire is small fire, the outer ring fire is small fire, and the middle ring fire is small fire; when the valve core is at the position of 270 degrees, the central fire is big fire, the outer ring fire is big fire, and the middle ring fire is big fire. The 90-degree three-cavity piezoelectric energy-saving valve is beneficial to enriching fire gears of a gas stove and saving energy, and is also beneficial to smooth cooking and adapting to diversified cooking processes.
Description
Technical Field
The invention relates to the field of valve bodies of gas cookers, in particular to a 90-degree three-cavity piezoelectric energy-saving valve.
Background
The valve body of the gas stove is used for adjusting firepower, a valve core is arranged in the valve body, the inner wall of a valve shell of the valve body is in fit, attached and connected with the valve core, a hollow structure is formed on the valve core, a plurality of air outlet holes are formed in the valve core, an air inlet used for being connected with a burner is formed in the inner wall of the valve shell, when the valve core is driven to rotate in the valve shell through a knob of the gas stove, the air outlet holes rotate to the position communicated with the corresponding air inlet, combustible gas introduced into the valve core can be conveyed to the corresponding air inlet, and in the process that the air outlet holes and the corresponding air inlet are communicated to be completely opposite, the firepower of the burner can be gradually changed due to the fact that the ventilation sectional area is gradually increased; the valve body with the three-cavity structure is a valve body capable of controlling three fire outlet parts of outer ring fire, middle ring fire and central fire of a burner of the gas stove. The valve core in the prior art usually has a rotation range corresponding to firepower adjustment from 0 degree to 180 degrees, and the firepower adjustment gears are fewer, which is not beneficial to cooking, so that a valve body with multiple gears and reasonable firepower gears is needed to be invented.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a 90-degree three-cavity piezoelectric energy-saving valve which is beneficial to cooking.
The purpose of the invention is realized by the following technical scheme.
The invention discloses a 90-degree three-cavity piezoelectric energy-saving valve which comprises a valve shell, wherein a valve cavity is arranged in the valve shell, a valve core is arranged in the valve cavity in a matched mode, and a valve core inner cavity is formed in the valve core; the combination of the valve core and the valve cavity is provided with a first height position, a second height position, a third height position and a fourth height position.
At the first height position: an ignition air inlet is formed in the inner wall of the valve cavity, an ignition air outlet is formed in the valve core, the ignition air outlet is communicated with the inner cavity of the valve core, and the ignition air outlet can be communicated with the ignition air inlet.
At the second elevation position: the inner wall of the valve cavity is provided with an outer ring fire air inlet, the valve core is provided with a plurality of outer ring fire air outlet holes communicated with the inner cavity of the valve core, and the outer ring fire air outlet holes can be communicated with the outer ring fire air inlet.
In the third elevation position: the inner wall of the valve cavity is provided with a middle ring fire air inlet, the valve core is provided with a plurality of middle ring fire air outlet holes communicated with the inner cavity of the valve core, and the middle ring fire air outlet holes can be communicated with the middle ring fire air inlet.
At the fourth elevation position: the inner wall of the valve cavity is provided with a central fire air inlet, the valve core is provided with a plurality of central fire air outlet holes communicated with the inner cavity of the valve core, and the central fire air outlet holes can be communicated with the central fire air inlet.
And when the valve core is at a 0-degree position relative to the valve cavity, the valve core seals the ignition air inlet, the outer ring fire air inlet, the middle ring fire air inlet and the center fire air inlet.
And when the valve core is at a position of 25 degrees relative to the valve cavity, the ignition air inlet is communicated with combustible gas.
And when the valve core is at a position of 37 degrees relative to the valve cavity, the central fire air inlet is communicated with combustible gas.
When the valve core is at a 45-degree position relative to the valve cavity, the outer ring fire air inlet is communicated with combustible gas, and the center fire air inlet is communicated with the combustible gas.
When the valve core is at a 90-degree position relative to the valve cavity, the state of the central fire is the big fire, the state of the outer ring fire is the big fire, the state of the middle ring fire is closed, and the 90-degree position of the valve core relative to the valve cavity is set as an ignition position.
When the valve core is at a position of 130 degrees relative to the valve cavity, the state of the central fire is big fire, the state of the outer ring fire is small fire, and the state of the middle ring fire is closed.
When the valve core is at a position of 165 degrees relative to the valve cavity, the state of the central fire is the middle fire, the state of the outer ring fire is closed, and the state of the middle ring fire is closed.
When the valve core is in a 180-degree position relative to the valve cavity, the state of the central fire is small fire, the state of the outer ring fire is closed, and the state of the middle ring fire is closed.
When the valve core is at a position of 215 degrees relative to the valve cavity, the state of the central fire is small fire, the state of the outer ring fire is closed, and the state of the middle ring fire is closed.
When the valve core is at 245-degree position relative to the valve cavity, the state of the central fire is small fire, the state of the outer ring fire is small fire, and the state of the middle ring fire is small fire.
When the valve core is positioned at 270 degrees relative to the valve cavity, the state of the central fire is the big fire, the state of the outer ring fire is the big fire, and the state of the middle ring fire is the big fire.
Preferably, at the fourth height position, the valve core is formed with a central fire small air outlet, the valve core is formed with a concave table, and the central fire small air outlet is arranged in the corresponding concave table.
Preferably, a conical boss is correspondingly formed at the bottom of the concave table, and the small central fire air outlet hole coaxially and correspondingly penetrates through the conical boss.
Preferably, the outer end of the conical boss is provided with a bell mouth, and the small central fire air outlet hole is communicated with the corresponding bell mouth coaxially.
Compared with the prior art, the invention has the beneficial effects that: through setting up foretell case and valve pocket looks mutual structure, be favorable to making the firepower gear of gas-cooker abundant to be favorable to cooking going on smoothly.
Drawings
Fig. 1 is a fire angle comparison schematic view of a valve element of the energy saving valve of the present invention in a top view direction.
Fig. 2 is a schematic view of the mating of the valve core and valve housing of the present invention.
Fig. 3 is a sectional assembly view of the valve core at a position of 0 degrees relative to the valve chamber according to the present invention.
Fig. 4 is a sectional assembly view of the valve core at a position of 25 degrees relative to the valve chamber.
Fig. 5 is a sectional assembly view of the valve core at a position of 37 degrees relative to the valve chamber according to the present invention.
Fig. 6 is a sectional assembly view of the valve core at a 45 degree position relative to the valve chamber.
Fig. 7 is a sectional assembly view of the valve core at 90 degrees relative to the valve chamber according to the present invention.
Fig. 8 is a sectional assembly view of the valve core at a position of 130 degrees relative to the valve chamber according to the present invention.
Fig. 9 is a sectional assembly view of the valve core at 165 degrees relative to the valve chamber according to the present invention.
Fig. 10 is a sectional assembly view of the valve core of the present invention at a position 180 degrees relative to the valve chamber.
Fig. 11 is a sectional assembly view of the valve core at a 215 degree position relative to the valve chamber in accordance with the present invention.
Fig. 12 is a cross-sectional assembled view of the valve core at a 245 degree position relative to the valve chamber of the present invention.
Fig. 13 is a sectional assembly view of the valve core at a 270 degree position relative to the valve chamber of the present invention.
FIG. 14 is a schematic cross-sectional view of a valve cartridge of the present invention in a fourth elevational position.
Description of reference numerals: 1-valve casing; 101-ignition air intake; 102-outer ring fire inlet; 103-medium ring fire air inlet; 104-central fire air inlet; 2-a valve core; 232-small central fire vent; 203-concave platform; 204-a conical boss; 2041-flare; 3-valve needle; 4-sealing ring.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Note that: hereinafter, the "big fire", "middle fire" and "small fire" are descriptions of the fire level of the energy saving valve of the present invention, the above fire level corresponds to the fire state of the burner of the gas range, the change of the fire of the burner is caused by the change of the flow rate of the combustible gas flowing from the valve core 2 to the valve housing 1, so the following description of the fire level of the energy saving valve corresponds to the specific mutual structure of the valve core 2 and the valve housing 1, it can also be understood that in order that the following description of the fire level of the energy saving valve is a general description of the specific mutual structure of the valve core 2 and the valve housing 1, the skilled person in the art can completely complete the design and implementation of the present invention according to the following contents and the attached drawings.
The 90-degree three-cavity piezoelectric energy-saving valve comprises a valve casing 1, wherein a valve cavity is arranged in the valve casing 1, a valve core 2 is arranged in the valve cavity in a matched mode, the energy-saving valve is provided with a piezoelectric ignition assembly, a battery is not needed for piezoelectric ignition, energy is saved, and the piezoelectric ignition assembly belongs to the prior art and is not detailed here; the energy-saving valve has a three-cavity structure, namely the energy-saving valve can control three fire outlet parts of outer ring fire, middle ring fire and central fire of a burner, and the 90-degree three-cavity piezoelectric energy-saving valve refers to that a valve core 2 is vertical to a horizontal plane when being installed in a gas stove for use. A valve core inner cavity is formed in the valve core 2, as shown in fig. 2, a valve core air inlet is formed at the lower end of the valve core inner cavity, and combustible gas from the gas supply pipeline can enter the valve core inner cavity from the valve core air inlet.
When the axis of the valve core 2 is vertically arranged, the combination of the valve core 2 and the valve cavity has a first height position, a second height position, a third height position and a fourth height position: on the first height position, the inner wall of valve chamber is formed with ignition air inlet 101, and ignition air inlet 101 is used for connecting the ignition flame projecting head of the piezoelectric type ignition subassembly of the combustor of gas-cooker, and case 2 is formed with the air outlet that ignites, and the air outlet that ignites sets up with the case inner chamber intercommunication, and the air outlet that ignites can communicate ignition air inlet 101. At the second height position, the inner wall of the valve cavity is provided with an outer ring fire air inlet 102, the outer ring fire air inlet 102 is used for being connected with an outer ring fire flaming port of the burner, the valve core 2 is provided with a plurality of outer ring fire air outlet holes communicated with the inner cavity of the valve core, and the outer ring fire air outlet holes can be communicated with the outer ring fire air inlet 102. In the third height position, the inner wall of the valve cavity is provided with a middle ring fire air inlet 103, the middle ring fire air inlet 103 is used for connecting a middle ring fire flaming port of the burner, the valve core 2 is provided with a plurality of middle ring fire air outlet holes communicated with the inner cavity of the valve core, and the middle ring fire air outlet holes can be communicated with the middle ring fire air inlet 103. At the fourth height position, the inner wall of the valve cavity is formed with a central fire air inlet 104, the central fire air inlet 104 is used for connecting a central fire flaming port of the burner, the valve core 2 is formed with a plurality of central fire air outlet holes communicated with the inner cavity of the valve core, and the central fire air outlet holes can be communicated with the central fire air inlet 104. The middle ring fire flaming port of the burner of the gas stove is surrounded on the outer side of the central fire flaming port, and the outer ring fire flaming port is surrounded on the outer side of the middle ring fire flaming port. As shown in fig. 2 (it should be noted that, fig. 2 does not show the above-mentioned air inlets of the valve housing 1 and the above-mentioned air outlets of the valve core 2), the valve needle 3 is further disposed in the valve core 2, an inner conical step is formed in the inner cavity of the valve core, in the height direction, the inner conical step can be disposed between the first height position and the second height position, the lower end of the valve needle 3 is sleeved with a sealing ring 4, when the knob of the gas stove is pressed, the knob drives the valve needle 3 to move downward, so that the sealing ring 4 leaves the inner conical step, so that the combustible gas can reach the ignition air outlet from bottom to top through a gap between the inner conical step and the sealing ring 4, and when the knob is released by a hand, the valve needle 3 moves upward to reset through the elastic force of the correspondingly connected spring, so that the sealing ring 4 presses against the inner conical step, and the ignition air outlet is closed.
As shown in fig. 3, in a state where the valve element 2 is at an angle of 0 degrees with respect to the valve chamber (i.e., the valve element 2 is at the angle "a" shown in fig. 1), the valve element 2 closes the ignition gas inlet 101, the outer ring fire gas inlet 102, the middle ring fire gas inlet 103 and the center fire gas inlet 104, fig. 3 shows a schematic cross-sectional structure of four positions from top to bottom, where the first height position, the second height position, the third height position and the fourth height position are shown, and in the state shown in fig. 3, each gas inlet is closed, so that the energy saving valve of the present invention is in a closed state.
In a visual direction of a top view, a knob of the gas stove connected with the valve core 2 is rotated counterclockwise, so that the valve core 2 rotates 25 degrees relative to the valve cavity, as shown in fig. 4, in a state that the valve core 2 is at a position of 25 degrees relative to the valve cavity (i.e. the valve core 2 is at an angle "B" shown in fig. 1), the ignition gas inlet 101 starts to be communicated with combustible gas, that is, the ignition gas outlet just rotates to a position communicated with the ignition gas inlet 101, and the outer ring fire gas inlet 102, the middle ring fire gas inlet 103 and the central fire gas inlet 104 are all sealed by the valve core 2.
In the state where the valve element 2 is at the 37 degree position with respect to the valve chamber (i.e., the valve element 2 is at the "C" angle position shown in fig. 1), as shown in fig. 5, the central fire inlet 104 starts to be connected with the combustible gas, that is, one central fire outlet hole just rotates to the position where it is connected with the central fire inlet 104, and in this state, both the outer ring fire inlet 102 and the middle ring fire inlet 103 are closed by the valve element 2.
In a state where the valve element 2 is at a 45-degree position with respect to the valve chamber (i.e., the valve element 2 is at the "D" angle position shown in fig. 1), as shown in fig. 6, the outer ring fire inlet 102 starts to be connected with the combustible gas, that is, one outer ring fire outlet is just rotated to a position where the outer ring fire inlet 102 is connected; the central fire inlet 104 is in a state of being communicated with the combustible gas, that is, as the valve core 2 rotates, the central fire outlet hole is communicated with the central fire inlet 104, and in this state, the middle fire inlet 103 is also sealed by the valve core 2.
When the valve core 2 is at a 90-degree position relative to the valve cavity (i.e. the valve core 2 is at the angle position "E" shown in fig. 1), as shown in fig. 7, the state of the middle ring fire is big fire, the state of the outer ring fire is big fire, and the state of the middle ring fire is closed, and in this state, the middle ring fire air inlet 103 is also closed by the valve core 2; the 90-degree position of the valve core 2 relative to the valve cavity is set as an ignition position, specifically, the energy-saving valve of the invention can ignite at the position, specifically, as the ignition air outlet hole is communicated with the ignition air inlet 101, the ignition can be performed at the position, specifically, in the ignition process, the knob of the burner is pressed at the 0-degree position of the valve core 2, so that the sealing ring 4 leaves the inner conical step, the knob is kept pressed down and is rotated anticlockwise to the 90-degree position, then the combustible gas enters the ignition air inlet 101 from the ignition air outlet hole, then reaches the ignition flame-jet head, and simultaneously, the piezoelectric ignition component performs the ignition action, thereby realizing the ignition of the burner, the knob is loosened by a hand, the valve needle 3 moves upwards to reset and close the ignition air outlet hole, and the piezoelectric ignition principle is the prior art, and the detailed description is not needed herein; after the ignition is successful, if the valve core 2 stays at the position shown in fig. 7, the state of the center fire is the big fire and the state of the outer ring fire is the big fire as described above; of course, after the ignition is finished, when the knob is rotated clockwise to return the valve core 2 to the 45-degree position, the burner of the gas stove is correspondingly in the flaming state, as shown in fig. 6, specifically, the central fire is in the middle fire state.
In the state where the valve element 2 is at the position of 130 degrees with respect to the valve chamber (i.e., the valve element 2 is at the angle "F" shown in fig. 1), as shown in fig. 8, the state of the center fire is the big fire, the state of the outer ring fire is the small fire, and the state of the middle ring fire is the off state, at which time the outer ring fire of the burner has decreased.
In a state where the valve body 2 is at a position of 165 degrees with respect to the valve chamber (i.e., the valve body 2 is at the "G" angle position shown in fig. 1), as shown in fig. 9, the state of the center fire is the middle fire, the state of the outer ring fire is the off state, and the state of the middle ring fire is the off state, the fire power of the burner is further reduced.
In a state where the valve element 2 is at a position of 180 degrees with respect to the valve chamber (i.e., the valve element 2 is at an angle "H" shown in fig. 1), as shown in fig. 10, the state of the center fire is a small fire, the state of the outer ring fire is off, and the state of the middle ring fire is off.
When the valve core 2 is at 215 degrees relative to the valve cavity (i.e. the valve core 2 is at the angle "I" shown in fig. 1), as shown in fig. 11, the middle fire is in a small fire state, the outer ring fire is in a closed state, and the middle ring fire is in a closed state; the fire power of the corresponding burner is minimum when the valve core 2 is at the position of 180-215 degrees, and the valve core can be applied to heat preservation of food in a cooker.
When the valve core 2 is at 245 degree position (i.e. the valve core 2 is at the angle position of "J" shown in fig. 1) relative to the valve cavity, as shown in fig. 12, the state of the central fire is small fire, and the state of the outer ring fire is small fire, at this time, the outer ring fire of the burner is ignited again; because the middle ring fire air outlet hole is partially communicated with the middle ring fire air inlet 103, the middle ring fire flaming port of the burner is ignited at the moment, and the middle ring fire is in a small fire state; the middle ring fire serves as the 'supercharging fire', and in the state, the central fire, the middle ring fire and the outer ring fire are all in the small fire state, so that the effect of heating the cooker is the most uniform, food is heated uniformly, the condition that the food in the cooker is not cooked well is avoided, and efficient cooking is facilitated. Because the burning setting of the middle ring fire is rotated to the tail end position (or understood as the back position) in the anticlockwise direction corresponding to the knob, the phenomenon that the food is burnt by the fierce firepower of the burner caused by the misoperation of a user is avoided.
In a state where the valve element 2 is at a 270 degree position with respect to the valve chamber (i.e., the valve element 2 is at the "K" angle position shown in fig. 1), as shown in fig. 13, the center fire is the big fire, the outer ring fire is the big fire, and the middle ring fire is the big fire, and in this state, the fire power of the burner is the most intense and uniform, and the burner is suitable for stir-frying food.
In some embodiments, as shown in fig. 14, in the fourth height position, the valve core 2 is formed with the small central fire outlet hole 232, in other words, the small central fire outlet hole 232 belongs to the central fire outlet hole mentioned above, for example, in the fourth height position, the valve core 2 is formed with four central fire outlet holes including two small central fire outlet holes 232 and two large central fire outlet holes, the valve core 2 is formed with the concave platforms 203, each concave platform 203 is correspondingly formed with a concave cavity, the small central fire outlet hole 232 is arranged in the corresponding concave platform 203, as shown in fig. 10, by arranging the concave platforms 203, for example, because the diameter of the small central fire outlet hole 232 is smaller, if the corresponding concave platform 203 is not arranged, the small central fire outlet hole 232 is communicated with the central fire inlet 104 only in a smaller angle range, which is inconvenient for the user to operate the fire adjusting function, moreover, in order to avoid the short-time interruption of the central fire when the central fire large air outlet is switched to the central fire small air outlet 232, as shown in fig. 8, the arc length from the edge of the central fire large air outlet to the edge of the concave platform 203 corresponding to the central fire small air outlet 232 needs to be set smaller than the diameter of the central fire air inlet 104, in other words, by setting each concave platform 203, the fire switching is stable and linear, which is beneficial to cooking.
Further, as shown in fig. 14, a conical boss 204 is correspondingly formed at the bottom of the concave platform 203, the central fire small air outlet hole 232 is coaxially and correspondingly arranged to penetrate through the conical boss 204, a bell-mouth 2041 is formed at the outer end of the conical boss 204, the bell-mouth 2041 can be specifically understood as a section of air flow passage gradually increasing from inside to outside, and the central fire small air outlet hole 232 is coaxially and correspondingly communicated with the bell-mouth 2041, as shown in fig. 9, for example, by providing the bell-mouth 2041, when the central fire small air outlet hole 232 is not completely aligned with the central fire air inlet 104, the combustible gas flow ejected from the corresponding bell-mouth 2041 is diffused, which is beneficial for the combustible gas flow to easily flow to the central fire air inlet 104.
In conclusion, the 90-degree three-cavity piezoelectric energy-saving valve is beneficial to enriching fire gears of a gas stove and facilitating smooth cooking, so that cooking time is saved, energy can be saved, and the 90-degree three-cavity piezoelectric energy-saving valve is also beneficial to adapting to diversified cooking processes. Those skilled in the art can set the number and size of the ignition vent hole, the outer ring fire vent hole, the middle ring fire vent hole and the center fire vent hole according to the description of the fire gear corresponding to each angle position of the valve core 2 relative to the valve cavity, and those skilled in the art can complete the manufacturing and specific use of the scheme of the invention according to the contents of the above description in combination with the attached drawings; however, the drawings are only for illustrating an embodiment of the present invention and are not to be construed as limiting the scope of the present invention, and all the equivalent structural changes made by the contents of the present specification and the drawings, which are directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A90-degree three-cavity piezoelectric energy-saving valve comprises a valve casing (1), wherein a valve cavity is arranged in the valve casing (1), a valve core (2) is arranged in the valve cavity in a matched mode, and a valve core inner cavity is formed in the valve core (2);
the method is characterized in that: the combination of the valve core (2) and the valve cavity is provided with a first height position, a second height position, a third height position and a fourth height position;
at the first height position: an ignition air inlet (101) is formed in the inner wall of the valve cavity, an ignition air outlet is formed in the valve core (2), the ignition air outlet is communicated with the inner cavity of the valve core, and the ignition air outlet can be communicated with the ignition air inlet (101);
at the second elevation position: an outer ring fire air inlet (102) is formed in the inner wall of the valve cavity, a plurality of outer ring fire air outlet holes communicated with the inner cavity of the valve core are formed in the valve core (2), and the outer ring fire air outlet holes can be communicated with the outer ring fire air inlet (102);
in the third elevation position: a middle ring fire air inlet (103) is formed in the inner wall of the valve cavity, a plurality of middle ring fire air outlet holes communicated with the inner cavity of the valve core are formed in the valve core (2), and the middle ring fire air outlet holes can be communicated with the middle ring fire air inlet (103);
at the fourth elevation position: a central fire air inlet (104) is formed in the inner wall of the valve cavity, a plurality of central fire air outlet holes communicated with the inner cavity of the valve core are formed in the valve core (2), and the central fire air outlet holes can be communicated with the central fire air inlet (104);
when the valve core (2) is located at a 0-degree position relative to the valve cavity, the valve core (2) seals the ignition air inlet (101), the outer ring fire air inlet (102), the middle ring fire air inlet (103) and the center fire air inlet (104);
when the valve core (2) is at a position of 25 degrees relative to the valve cavity, the ignition air inlet (101) starts to be communicated with combustible gas;
when the valve core (2) is at a position of 37 degrees relative to the valve cavity, the central fire air inlet (103) is communicated with combustible gas;
when the valve core (2) is at a 45-degree position relative to the valve cavity, the outer ring fire air inlet (102) is communicated with combustible gas, and the center fire air inlet (103) is communicated with the combustible gas;
when the valve core (2) is at a 90-degree position relative to the valve cavity, the state of the central fire is the big fire, the state of the outer ring fire is the big fire, the state of the middle ring fire is the closed state, and the 90-degree position of the valve core (2) relative to the valve cavity is set as an ignition position;
when the valve core (2) is at a position of 130 degrees relative to the valve cavity, the state of the central fire is big fire, the state of the outer ring fire is small fire, and the state of the middle ring fire is closed;
when the valve core (2) is at a position of 165 degrees relative to the valve cavity, the state of the central fire is the middle fire, the state of the outer ring fire is closed, and the state of the middle fire is closed;
when the valve core (2) is positioned at 180 degrees relative to the valve cavity, the state of the central fire is small fire, the state of the outer ring fire is closed, and the state of the middle ring fire is closed;
when the valve core (2) is at a position of 215 degrees relative to the valve cavity, the state of the central fire is small fire, the state of the outer ring fire is closed, and the state of the middle ring fire is closed;
when the valve core (2) is at 245-degree position relative to the valve cavity, the state of the central fire is small fire, the state of the outer ring fire is small fire, and the state of the middle ring fire is small fire;
when the valve core (2) is positioned at 270 degrees relative to the valve cavity, the state of the central fire is the big fire, the state of the outer ring fire is the big fire, and the state of the middle ring fire is the big fire.
2. The 90-degree three-cavity piezoelectric energy-saving valve according to claim 1, wherein: at the fourth height position, a central fire small air outlet hole (232) is formed in the valve core (2), a concave platform (203) is formed in the valve core (2), and the central fire small air outlet hole (232) is arranged in the corresponding concave platform (203).
3. The 90-degree three-cavity piezoelectric energy-saving valve according to claim 2, wherein: the bottom of the concave platform (203) is correspondingly formed with a conical boss (204), and the small central fire air outlet (232) coaxially and correspondingly penetrates through the conical boss (204).
4. The 90-degree three-cavity piezoelectric energy-saving valve according to claim 3, wherein: the outer end of the conical boss (204) is provided with a bell mouth (2041), and the small central fire air outlet hole (232) is communicated with the bell mouth (2041) in a coaxial line manner.
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| CN114215932B (en) | 2023-08-22 |
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