CN217056452U - Bistable proportional valve and gas stove with same - Google Patents
Bistable proportional valve and gas stove with same Download PDFInfo
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- CN217056452U CN217056452U CN202220696451.3U CN202220696451U CN217056452U CN 217056452 U CN217056452 U CN 217056452U CN 202220696451 U CN202220696451 U CN 202220696451U CN 217056452 U CN217056452 U CN 217056452U
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Abstract
The utility model relates to a bistable proportional valve and a gas stove with the same, which comprises a valve shell and a valve core, wherein an air cavity for gas to pass through is arranged in the valve shell, an air inlet and an air outlet which are communicated with the air cavity are also arranged on the valve shell, the valve core can move in the air cavity and can enable the air inlet and the air outlet to be communicated with each other or be cut off, the valve core is connected with a valve rod, the valve rod is processed and formed by magnetic conductive materials, a conductive coil which can be connected with a battery device is arranged on the position on the valve shell corresponding to the outer side of the valve rod, a magnetic block is also arranged on the valve shell, when the valve rod drives the valve core to move to the mutual conduction state of the air inlet and the air outlet under the electromagnetic force action of the conductive coil, the magnetic block is connected and fixed with the valve rod by suction, the magnetic block is arranged to fix the valve rod, the continuous energization of the conductive coil is not needed when the mutual conduction state of the air inlet and the air outlet is maintained, the conductive coil is only connected with the battery device without being externally connected with a mains supply, so that the proportional valve is more convenient to use and install.
Description
Technical Field
The utility model relates to a technical field of gas equipment, concretely relates to bistable proportional valve and have its gas-cooker.
Background
The patent document with the publication number of CN208900801U discloses a 'gas proportional valve', the specification and the attached drawings disclose 'a gas proportional valve', which comprises a valve seat assembly, a switch excitation coil and a switch valve core mechanism which are arranged in a matched manner, and an adjusting excitation coil and an adjusting valve core mechanism which are arranged in a matched manner, wherein the switch excitation coil, the switch valve core mechanism, the adjusting excitation coil and the adjusting valve core mechanism are respectively arranged on the valve seat assembly, the switch excitation coil drives the switch valve core mechanism to conduct a gas transmission channel on the valve seat assembly, and the adjusting excitation coil drives the adjusting valve core mechanism to adjust the conducting area of the gas transmission channel; the method is characterized in that: the valve seat assembly is arranged in a long shape, the switch excitation coil and the adjusting excitation coil are arranged on the valve seat assembly in parallel, one end of the valve seat assembly is provided with an air inlet, the other end of the valve seat assembly is provided with an air outlet, the air delivery channel comprises a switch control cavity and an adjusting control cavity which are arranged on the valve seat assembly, the air inlet is communicated with the switch control cavity, the switch control cavity is communicated with the adjusting control cavity through a first air vent at the bottom, and the adjusting control cavity is communicated with the air outlet through a second air vent at the bottom; one side of the switch valve core mechanism at least partially extends into the switch excitation coil, the other side of the switch valve core mechanism at least partially extends into the switch control cavity, and the first vent hole is opened under the driving of the switch excitation coil; one side of the adjusting valve core mechanism at least partially extends into the adjusting magnet exciting coil, the other side of the adjusting valve core mechanism at least partially extends into the adjusting control cavity, and the conducting area of the second vent hole is adjusted under the driving of the adjusting magnet exciting coil. The adjusting valve core mechanism comprises an adjusting metal piece, an adjusting transmission piece, an adjusting film and an adjusting sealing piece, wherein the adjusting metal piece, the adjusting film and the adjusting sealing piece are respectively assembled on the adjusting transmission piece, the adjusting metal piece is movably arranged in the inner cavity of the adjusting magnet exciting coil, the adjusting transmission piece moves along with the adjusting metal piece, the adjusting film seals the top opening of the adjusting control cavity, the adjusting sealing piece moves along with the adjusting transmission piece to adjust the distance between the adjusting sealing piece and the second vent hole, and the purpose of adjusting the conduction area of the second vent hole is achieved.
However, the purpose of adjusting the adjusting metal part can be achieved by adjusting the continuous energization of the excitation coil, just as a valve core in a common gas proportional valve is generally energized through an external conductive coil to enable a valve rod to be magnetic, so that the valve core is driven to move and an air inlet and an air outlet are conducted, and the conductive coil needs to be continuously supplied with power to maintain the conduction state of the air inlet and the air outlet, so that the common gas proportional valve needs to be externally connected with a mains supply, and is inconvenient for a user to use.
Therefore, further improvement is required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a bistable state proportional valve and have its gas-cooker, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
The purpose of the utility model is realized like this:
the utility model provides a bistable proportional valve, including valve case and case, the air cavity that supplies the gas to pass through has in the valve case, still be equipped with air inlet and gas outlet with the air cavity intercommunication on the valve case, the case can be at the air cavity internal motion and make and switch on each other or cut between air inlet and the gas outlet, the case is connected with the valve rod, the material machine-shaping of valve rod through can leading magnetism, be equipped with the conductive coil that can connect battery device on the position that corresponds the valve rod outside on the valve case, still be equipped with the magnetic path on the valve case, when the valve rod drives the case motion to air inlet and gas outlet when switching on the state each other under the electromagnetic force effect of conductive coil, the magnetic path passes through suction and is connected fixedly with the valve rod.
And a sealing gasket is arranged on the outer side of the end part of the valve core.
An elastic reset device is arranged between the valve core and the valve shell, when the valve core moves to a state that the air inlet and the air outlet are mutually communicated, the elastic reset device is stressed and deformed, and the elastic reset device can reset and push the valve core to press the air outlet, so that the air inlet and the air outlet are mutually cut off.
The valve comprises a valve shell and is characterized in that a support is connected to the outer side of the valve shell, a through hole corresponding to a valve rod is formed in the support, a limiting flange extending inwards is formed at the edge position of the through hole, and a limiting step corresponding to the limiting flange is arranged on the outer side of the valve rod.
And a limiting boss is formed on the support corresponding to the position outside the through hole, and the elastic resetting device is arranged on the position outside the limiting boss.
And the valve shell is provided with limiting flanges corresponding to the upper side and the lower side of the conductive coil.
A gas stove comprises a gas stove head and a main gas inlet pipe, wherein the gas stove head comprises an outer ring injection pipe and an inner ring injection pipe, the main gas inlet pipe is connected with a proportional valve group, the proportional valve group is formed by combining three bistable proportional valves, and adjacent gas cavities are communicated with each other.
The main air inlet pipe is connected with an air inlet of a valve shell at the head end of the proportional valve group, and an air outlet of the valve shell at the head end is connected with an air inlet of a valve shell at the tail end.
The outer ring injection pipe and the inner ring injection pipe are respectively connected with the gas outlet of the valve shell in the middle and the gas outlet of the valve shell at the tail end.
Or the outer ring injection pipe and the inner ring injection pipe are respectively connected with the gas outlet of the valve shell at the tail end and the gas outlet of the valve shell in the middle.
The utility model has the advantages that:
the valve rod is fixed by the magnetic block, the valve rod does not need a conductive coil to be continuously electrified when the air inlet and the air outlet are maintained in a mutual conduction state, the conductive coil only needs to be connected with a battery device without being connected with an external mains supply, and the proportional valve is more convenient to use and install.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 2 is an enlarged view of the embodiment a of the present invention.
Fig. 3 is a schematic diagram of the first-stage fire working state of the embodiment of the present invention.
Fig. 4 is a schematic diagram of a second-level fire working state according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a third-stage fire working state according to the embodiment of the present invention.
Fig. 6 is a schematic diagram of a fourth-stage thermal operating state according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-6, the bistable proportional valve comprises a valve housing 1 and a valve core 2, wherein the valve housing 1 is internally provided with an air cavity 11 for gas to pass through, the valve housing 1 is also provided with an air inlet 12 and an air outlet 13 communicated with the air cavity 11, the valve core 2 can move in the air cavity 11 and enables the air inlet 12 and the air outlet 13 to be communicated or cut off, the valve core 2 is connected with a valve rod 3, the valve rod 3 is processed and formed by a magnetic material, a conductive coil 4 capable of being connected with a battery device (not shown in the figure) is arranged on the valve housing 1 corresponding to the outer side of the valve rod 3, the valve housing 1 is also provided with a magnetic block 5, when the valve rod 3 drives the valve core 2 to move to a state that the air inlet 12 and the air outlet 13 are communicated with each other under the action of electromagnetic force of the conductive coil 4, the magnetic block 5 is fixedly connected with the valve rod 3 through suction force, and the valve rod 3 is fixed through the magnetic block 5, when the valve rod 3 maintains the mutual conduction state of the air inlet 12 and the air outlet 13, the conductive coil 4 is not required to be continuously electrified, and the conductive coil 4 is only required to be connected with a battery device without being externally connected with a mains supply, so that the proportional valve is more convenient to use and install.
The working principle of the bistable proportional valve is as follows: when air inlet 12 and gas outlet 13 are required to be conducted with each other, only need through battery device to electrically conduct 4 can, for example, the electric current direction of electrically conducting 4 is forward when circular telegram, electrically conducting can make valve rod 3 towards one side of magnetic path 5 opposite with magnetic path 5 towards one side of valve rod 3 polarity in the twinkling of an eye, valve rod 3 can be closed by magnetic path 5 actuation fast, at this moment, electrically conducting 4 need not to continue circular telegram, valve rod 3 also can drive case 2 and maintain the conducting state of air inlet 12 and gas outlet 13, because the work of electrically conducting 4 is only instantaneous, battery device's life can be longer and electrically conducting 4 need not external mains supply and also can make proportional valve normally work.
Further, a gasket 21 is provided on the outer side of the end of the valve body 2, thereby improving the sealing performance of the valve body 2.
Furthermore, an elastic resetting device 9 is arranged between the valve core 2 and the valve housing 1, when the valve core 2 moves to a state that the air inlet 12 and the air outlet 13 are communicated with each other, the elastic resetting device 9 is stressed to deform, the elastic resetting device 9 can reset and push the valve core 2 to press the air outlet 13, and the air inlet 12 and the air outlet 13 are in a mutually cut-off state.
When the air inlet 12 and the air outlet 13 need to be cut off from each other, only the conductive coil 4 needs to generate reverse current, the polarity of one side, facing the magnetic block 5, of the valve rod 3 is the same as that of one side, facing the valve rod 3, of the magnetic block 5 at the moment of conducting, repulsive force is generated between the valve rod 3 and the magnetic block 5 to enable the valve rod 3 and the magnetic block 5 to be separated quickly, after the valve rod 3 and the magnetic block 5 are separated, the air inlet 12 and the air outlet 13 can be kept in a cut-off state through the magnetic core under the action of the elastic resetting device 9, and similarly, the battery device does not need to continuously supply power to the conductive coil 4.
Furthermore, the outer side of the valve housing 1 is connected with a support 6, the support 6 is provided with a through hole (not marked in the figure) corresponding to the valve rod 3, the edge position of the through hole forms a limiting flange 61 extending inwards, the outer side of the valve rod 3 is provided with a limiting step 31 corresponding to the limiting flange 61, and the limiting flange 61 can play a limiting effect on the valve rod 3.
Further, a limiting boss 62 is formed on the support 6 corresponding to the position outside the through hole, the elastic resetting device 9 is arranged on the position outside the limiting boss 62, and the limiting boss 62 can play a positioning effect on the elastic resetting device 9.
Furthermore, the position of the valve housing 1 corresponding to the upper side and the lower side of the conductive coil 4 is provided with a limit rib 14, so that the conductive coil 4 is not easy to slide out of the valve housing 1.
The utility model also discloses a gas-cooker, including furnace end (not drawn in the picture) and main intake pipe 8, the furnace end includes that the outer loop draws and penetrates pipe 71 and inner ring and draw and penetrate pipe 72, and main intake pipe 8 is connected with the proportional valve group, and the proportional valve group is formed by three above-mentioned bistable proportional valve combination, communicates each other between the adjacent air cavity 11.
The main air inlet pipe 8 is connected with an air inlet 12 of the valve shell 1 at the head end of the proportional valve group, and an air outlet 13 of the valve shell 1 at the head end is connected with an air inlet 12 of the valve shell 1 at the tail end.
The outer ring injection pipe 71 and the inner ring injection pipe 72 are respectively connected with the gas outlet 13 of the valve housing 1 in the middle and the gas outlet 13 of the valve housing 1 at the tail end.
Or the outer ring injection pipe 71 and the inner ring injection pipe 72 are respectively connected with the gas outlet 13 of the valve housing 1 at the tail end and the gas outlet 13 of the valve housing 1 in the middle.
In this embodiment, the preferable scheme for connecting the outer ring injection pipe 71 and the inner ring injection pipe 72 with the proportional valve group is as follows: the outer ring injection pipe 71 and the inner ring injection pipe 72 are respectively connected with the gas outlet 13 of the valve housing 1 in the middle and the gas outlet 13 of the valve housing 1 at the tail end.
Through adjusting the state that opens and shuts of each proportional valve on the proportional valve group, can realize adjusting the different firepowers of furnace end, specifically as follows:
first stage fire power
As shown in FIG. 3, the respective gas inlets 12 and gas outlets 13 of the three bistable proportional valves are respectively adjusted to be in a conducting state, at the moment, gas enters the gas cavities 11 of the valve housings 1 from the head ends, part of the gas directly enters the other two gas cavities 11 in sequence, the other part of the gas is discharged from the gas outlets 13 of the valve housings 1 from the head ends, and then enters the gas cavities 11 of the valve bodies at the tail ends through the gas inlets 12 of the valve housings 1 at the tail ends, and because the flow of the communicated pipelines between the different gas cavities 11 is fixed, the gas entering the gas inlets 12 of the valve housings 1 at the tail ends from the gas outlets 13 of the valve housings 1 at the head ends increases the air inflow of the gas cavities 11 of the valve housings 1 at the middle and the tail ends, so that the air inflow of the outer ring ejector pipe 71 and the inner ring ejector pipe 72 is in the maximum state.
Second-stage fire power
As shown in fig. 4, the gas inlet 12 and the gas outlet 13 of the first-end valve housing 1 are adjusted to be in a cut-off state, at this time, the gas enters the gas chambers 11 from the gas inlet 12 of the first-end valve housing 1, the gas sequentially enters the other two gas chambers 11, and finally enters the outer ring ejector pipe 71 or the inner ring ejector pipe 72 through the corresponding gas chambers 11, and the air inflow of the outer ring ejector pipe 71 and the air inflow of the inner ring ejector pipe 72 are both smaller than that of the first-stage fire.
Third stage fire
As shown in fig. 5, the air inlet 12 and the air outlet 13 of the valve housing 1 at the head end are adjusted to be in a conducting state, the air inlet 12 and the air outlet 13 of the valve housing 1 in the middle are adjusted to be in a conducting state, the air inlet 12 and the air outlet 13 of the valve housing 1 at the tail end are adjusted to be in a blocking state, or the air inlet 12 and the air outlet 13 of the valve housing 1 at the tail end are adjusted to be in a conducting state, the air inlet 12 and the air outlet 13 of the valve housing 1 in the middle are adjusted to be in a blocking state, and at the moment, the air inflow of the outer ring injection pipe 71 or the inner ring injection pipe 72 can be increased.
Fourth stage of heating power
As shown in fig. 6, the air inlet 12 and the air outlet 13 of the valve housing 1 at the head end are adjusted to be in a blocking state, the air inlet 12 and the air outlet 13 of the valve housing 1 in the middle are adjusted to be in a conducting state, the air inlet 12 and the air outlet 13 of the valve housing 1 at the tail end are adjusted to be in a blocking state, or the air inlet 12 and the air outlet 13 of the valve housing 1 at the tail end are adjusted to be in a conducting state, the air inlet 12 and the air outlet 13 of the valve housing 1 in the middle are adjusted to be in a blocking state, and at this time, the air inflow of the outer ring injection pipe 71 or the inner ring injection pipe 72 can be reduced.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (7)
1. A bistable proportional valve comprises a valve shell (1) and a valve core (2), wherein an air cavity (11) for gas to pass through is arranged in the valve shell (1), an air inlet (12) and an air outlet (13) communicated with the air cavity (11) are also arranged on the valve shell (1), the valve core (2) can move in the air cavity (11) and enables the air inlet (12) and the air outlet (13) to be communicated or cut off, the valve core (2) is connected with a valve rod (3), the valve rod (3) is processed and formed by a magnetic conductive material, the bistable proportional valve is characterized in that a conductive coil (4) capable of being connected with a battery device is arranged on the valve shell (1) corresponding to the position on the outer side of the valve rod (3), a magnetic block (5) is also arranged on the valve shell (1), and when the valve rod (3) drives the valve core (2) to move to the state that the air inlet (12) and the air outlet (13) are communicated with each other under the action of the electromagnetic force of the conductive coil (4), the magnetic block (5) is fixedly connected with the valve rod (3) through suction.
2. The bistable proportional valve of claim 1, wherein: and a sealing gasket (21) is arranged on the outer side of the end part of the valve core (2).
3. The bistable proportional valve of claim 1, wherein: be equipped with elasticity resetting means (9) between case (2) and valve case (1), when case (2) moved to air inlet (12) and gas outlet (13) and switch on the state each other, elasticity resetting means (9) atress warp, and elasticity resetting means (9) can reset and push case (2) and compress tightly gas outlet (13), make air inlet (12) and gas outlet (13) be the state of cutting off each other.
4. The bistable proportional valve of claim 3, wherein: the outside of valve case (1) is connected with support (6), be equipped with the through-hole that corresponds with valve rod (3) on support (6), the border position of through-hole forms spacing turn-ups (61) of inboard extension, the outside of valve rod (3) is equipped with spacing step (31) that correspond with spacing turn-ups (61).
5. The bistable proportional valve of claim 4, wherein: a limiting boss (62) is formed on the support (6) corresponding to the outer side of the through hole, and the elastic resetting device (9) is arranged on the outer side of the limiting boss (62).
6. The bistable proportional valve of claim 1, wherein: and the valve shell (1) is provided with limiting flanges (14) corresponding to the upper side and the lower side of the conductive coil (4).
7. A gas stove comprises a stove head and a main gas inlet pipe (8), wherein the stove head comprises an outer ring injection pipe (71) and an inner ring injection pipe (72), and is characterized in that the main gas inlet pipe (8) is connected with a proportional valve set, the proportional valve set is formed by combining three bistable proportional valves as claimed in any one of claims 1 to 6, and adjacent gas cavities (11) are communicated with each other;
the main air inlet pipe (8) is connected with an air inlet (12) of the valve shell (1) at the head end of the proportional valve group, and an air outlet (13) of the valve shell (1) at the head end is connected with an air inlet (12) of the valve shell (1) at the tail end;
the outer ring injection pipe (71) and the inner ring injection pipe (72) are respectively connected with the gas outlet (13) of the valve shell (1) in the middle and the gas outlet (13) of the valve shell (1) at the tail end;
or the outer ring injection pipe (71) and the inner ring injection pipe (72) are respectively connected with the air outlet (13) of the valve shell (1) at the tail end and the air outlet (13) of the valve shell (1) in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220696451.3U CN217056452U (en) | 2022-03-28 | 2022-03-28 | Bistable proportional valve and gas stove with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220696451.3U CN217056452U (en) | 2022-03-28 | 2022-03-28 | Bistable proportional valve and gas stove with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217056452U true CN217056452U (en) | 2022-07-26 |
Family
ID=82465974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220696451.3U Active CN217056452U (en) | 2022-03-28 | 2022-03-28 | Bistable proportional valve and gas stove with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217056452U (en) |
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2022
- 2022-03-28 CN CN202220696451.3U patent/CN217056452U/en active Active
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