CN114321397A - Adjustable gas proportional valve - Google Patents
Adjustable gas proportional valve Download PDFInfo
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- CN114321397A CN114321397A CN202111486597.1A CN202111486597A CN114321397A CN 114321397 A CN114321397 A CN 114321397A CN 202111486597 A CN202111486597 A CN 202111486597A CN 114321397 A CN114321397 A CN 114321397A
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- fixedly connected
- proportional valve
- gas
- valve body
- gas proportional
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention discloses an adjustable gas proportional valve, which relates to the technical field of gas proportional valves and solves the problem that the air input is unstable due to the influence of unstable voltage on the opening degree of an air inlet end in the prior art And (4) solving the problem.
Description
Technical Field
The invention relates to the technical field of gas proportional valves, in particular to an adjustable gas proportional valve.
Background
The gas proportional valve is generally used for a gas water heater, the gas inlet amount and the water temperature are adjusted through the proportional valve, when the gas is as large as possible, the water temperature is higher, and otherwise, the water temperature is lower.
At present, when an existing gas proportional valve is adjusted, an electrifying coil is generally electrified to enable an electromagnet to generate magnetism, and then the valve to be adjusted is pushed, when an input voltage is larger, the magnetism is stronger, and then the pushing amplitude is larger, so that the opening degree of the valve is larger, otherwise, the opening degree of the valve is smaller, and further, the opening degree of the valve is controlled through the height of the input voltage.
Disclosure of Invention
The invention aims to provide an adjustable gas proportional valve for stably adjusting the opening of a gas outlet end so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an adjustable gas proportional valve comprises a gas proportional valve body, an adjusting component, a flow increasing component and a closing component, wherein a gas inlet end and a gas outlet end are arranged on the gas proportional valve body, and the position close to the air outlet end is connected with an electromagnetic valve, one end of the gas proportional valve body is fixedly connected with a protective cover, the other end is fixedly connected with a protective sheet, the adjusting component for adjusting the air output quantity of the air outlet end is arranged in the protective cover, the flow increasing assembly for increasing the gas fluidity inside the gas proportional valve body is arranged in the gas proportional valve body and is connected with the regulating assembly, the closing assembly for closing the air outlet end is installed in the gas proportional valve body and connected with the adjusting assembly, the opening size of the air outlet end is stably adjusted, and the air outlet end can be quickly closed.
Preferably, the adjusting part is including sealed piece, the one end fixedly connected with connecting rod of sealed piece, the one end fixedly connected with of connecting rod is sealed fills up, the one end fixedly connected with threaded rod that fills up, the outside threaded connection of threaded rod with gas proportional valve body sliding connection's first thread piece and second thread piece, first thread piece with the outside of second thread piece all is connected with the elastic component, the one end of threaded rod is connected with the driving piece, stably adjusts the aperture size of giving vent to anger the end.
Preferably, the driving piece is including fixing motor in the protection casing, the output fixedly connected with shaft coupling of motor, the one end fixedly connected with drive shaft of shaft coupling, the one end fixedly connected with of drive shaft with threaded rod sliding connection's slide bar, the spacing groove has been seted up in the outside of slide bar, just sliding connection in the spacing groove with threaded rod fixed connection's spacing, the drive shaft with the flow increase subassembly is connected, improves drive power.
Preferably, the closing component comprises a first reset spring arranged between the protective sheet and the sealing block and a coil sleeved outside the threaded rod, the coil is fixedly connected with a fixing frame fixedly connected with the protective cover, an iron pipe sleeved outside the threaded rod is connected at the position of the axis of the coil, one end of the iron pipe is fixedly connected with an electromagnet slidably connected with the threaded rod, one side of the electromagnet is provided with a magnet, one side of the magnet is fixedly connected with a connecting sheet slidably connected with the threaded rod, the other side of the magnet is fixedly connected with a second reset spring, the other end of the second reset spring is fixedly connected with the coil, one end of the connecting sheet is fixedly connected with a boss, one end of the boss is fixedly connected with an inserting block slidably connected with the first threaded block and the second threaded block, and the first threaded block and the second threaded block are provided with inserting grooves matched with the inserting block, is favorable for quickly closing the air outlet end.
Preferably, the elastic part includes two sets of interior slide bars, two sets of interior slide bars respectively with first screw thread piece with second screw thread piece fixed connection, and the equal fixedly connected with spring in top, and the equal sliding connection in the outside with gas proportional valve body fixed connection's outer loop bar, the other end of spring with outer loop bar fixed connection, the closure that resets of the first screw thread piece of being convenient for and second screw thread piece.
Preferably, the flow increasing assembly comprises a gear ring connected with the gas proportional valve body in a rotating mode, the inner side of the gear ring is meshed with a first flat gear, a transmission part connected with the driving shaft is connected onto the first flat gear, one end of the gear ring is fixedly connected with a rotating ring, and a plurality of groups of blades are fixedly connected onto the inner wall of the rotating ring, so that stable and rapid gas conveying is facilitated.
Preferably, the transmission part comprises a second flat gear fixedly connected with the driving shaft, a third flat gear is meshed with the outer side of the second flat gear, one end of the third flat gear is fixedly connected with a transmission shaft rotatably connected with the gas proportional valve body, and one end of the transmission shaft is fixedly connected with the first flat gear, so that power transmission is facilitated.
Preferably, the protection casing with the protection piece all with the gas proportional valve body is for dismantling the connection, is favorable to maintaining interior component.
Preferably, the limiting grooves are provided with a plurality of groups and are arranged in a circumferential manner, so that the sliding of the sliding rod and the rotation of the threaded rod are facilitated.
Preferably, the two groups of bosses are symmetrically distributed on the connecting piece, so that the first thread block and the second thread block can be stably separated.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the adjusting assembly is arranged, so that when the air outlet quantity of the air inlet end is adjusted, the connecting rod is driven to move by the movement of the threaded rod, and the sealing block is further driven to move, so that the opening degree of the air inlet end is controlled, and the motor in the driving piece is not influenced by voltage, so that after the sealing block moves to a certain position, the position of the sealing block cannot be changed by the strength of the voltage, and the air inlet quantity cannot be changed, therefore, the problem that the air inlet end opening degree is influenced by unstable voltage and the air inlet quantity is unstable in the prior art is solved
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of the fuel gas proportional valve of FIG. 1 with the fuel gas proportional valve body removed;
FIG. 4 is a schematic view of the connection between the adjustment assembly and the closure assembly of the present invention;
FIG. 5 is a schematic view of the connection structure of the sliding rod and the threaded rod according to the present invention;
FIG. 6 is a schematic view of a closure assembly of the present invention;
FIG. 7 is a schematic view of the structure of area A in FIG. 6 according to the present invention;
FIG. 8 is a partial schematic view of a closure assembly in accordance with the present invention;
FIG. 9 is a schematic view of the connection structure between the threaded rod and the iron pipe and the connecting piece according to the present invention;
fig. 10 is a schematic structural view of a flow increasing assembly according to the present invention.
In the figure: 1-a gas proportional valve body; 2-an air inlet end; 3-an electromagnetic valve; 4-air outlet end; 5-a protective cover; 6-protective sheet; 7-an adjustment assembly; 8-a flow increasing assembly; 9-a closure assembly; 10-a sealing block; 11-a connecting rod; 12-sealing piece; 13-a threaded rod; 14-a first thread block; 15-a second threaded block; 16-an elastic member; 17-a drive member; 18-a motor; 19-a coupling; 20-a drive shaft; 21-a slide bar; 22-a limiting groove; 23-a spacing bar; 24-a first return spring; 25-a coil; 26-a fixing frame; 27-iron pipe; 28-an electromagnet; 29-a magnet; 30-connecting pieces; 31-a second return spring; 32-boss; 33-an insert block; 34-a slot; 35-inner slide bar; 36-an outer loop bar; 37-a spring; 38-a first spur gear; 39-gear ring; 40-a rotating ring; 41-leaf blade; 42-a transmission member; 43-a second spur gear; 44-a third spur gear; 45-transmission shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Please refer to fig. 1 and 2 to describe embodiment 1, in the figure, an adjustable gas proportional valve includes a gas proportional valve body 1, an adjusting component 7, a flow increasing component 8 and a closing component 9, wherein the gas proportional valve body 1 is provided with a gas inlet end 2 and a gas outlet end 4, a position near the gas outlet end 4 is connected with an electromagnetic valve 3, one end of the gas proportional valve body 1 is fixedly connected with a protective cover 5, the other end of the gas proportional valve body is fixedly connected with a protective sheet 6, the adjusting component 7 for adjusting the gas outlet amount of the gas outlet end 4 is installed in the protective cover 5, the flow increasing component 8 for increasing the gas fluidity inside the gas proportional valve body 1 is installed in the gas proportional valve body 1 and connected with the adjusting component 7, and the closing component 9 for closing the gas outlet end 4 is installed in the gas proportional valve body 1 and connected with the adjusting component 7;
referring to fig. 2-4, the adjusting assembly 7 shown in the drawings includes a sealing block 10, a connecting rod 11 is fixedly connected to one end of the sealing block 10, a sealing gasket is fixedly connected to one end of the connecting rod 11, a threaded rod 13 is fixedly connected to one end of the sealing gasket, a first threaded block 14 and a second threaded block 15 which are slidably connected to the gas proportional valve body 1 are connected to the outer side of the threaded rod 13 in a threaded manner, elastic members 16 are connected to the outer sides of the first threaded block 14 and the second threaded block 15, and a driving member 17 is connected to one end of the threaded rod 13;
referring to fig. 4 and 5, a driving member 17 in the drawings includes a motor 18 fixed in a protective cover 5, an output end of the motor 18 is fixedly connected with a coupler 19, one end of the coupler 19 is fixedly connected with a driving shaft 20, one end of the driving shaft 20 is fixedly connected with a sliding rod 21 slidably connected with a threaded rod 13, the outer side of the sliding rod 21 is provided with a limiting groove 22, a limiting bar 23 fixedly connected with the threaded rod 13 is slidably connected in the limiting groove 22, and the driving shaft 20 is connected with a flow increasing assembly 8;
referring to fig. 6, 8 and 9, the closing assembly 9 shown in the figure includes a first return spring 24 installed between the protection sheet 6 and the sealing block 10 and a coil 25 sleeved outside the threaded rod 13, the coil 25 is fixedly connected with a fixing frame 26 fixedly connected with the protective cover 5, an iron pipe 27 sleeved outside the threaded rod 13 is connected at the axial center position of the coil 25, one end of the iron pipe 27 is fixedly connected with an electromagnet 28 slidably connected with the threaded rod 13, one side of the electromagnet 28 is provided with a magnet 29, one side of the magnet 29 is fixedly connected with a connecting sheet 30 slidably connected with the threaded rod 13, the other side is fixedly connected with a second return spring 31, the other end of the second return spring 31 is fixedly connected with the coil 25, one end of the connecting sheet 30 is fixedly connected with a boss 32, one end of the boss 32 is fixedly connected with an insertion block 33 slidably connected with the first threaded block 14 and the second threaded block 15, the first thread block 14 and the second thread block 15 are provided with slots 34 matched with the insertion blocks 33;
referring to fig. 6 and 7, the elastic member 16 shown in the figure includes two sets of inner sliding rods 35, the two sets of inner sliding rods 35 are respectively and fixedly connected with the first screw block 14 and the second screw block 15, the top ends of the inner sliding rods 35 are both fixedly connected with springs 37, the outer sides of the inner sliding rods are both slidably connected with outer sleeves 36 fixedly connected with the gas proportional valve body 1, and the other ends of the springs 37 are fixedly connected with the outer sleeves 36;
in this embodiment, when the gas proportional valve body 1 is used, firstly, the electromagnetic valve 3 is opened, and then the gas enters the space between the protection sheet 6 and the sealing block 10 through the gas inlet 2, at this time, the motor 18 is started, and then the motor 18 drives the coupler 19 to rotate, and further drives the driving shaft 20 to rotate, and further drives the sliding rod 21 to rotate, so that the threaded rod 13 will be driven to rotate due to the existence of the limiting groove 22 and the limiting strip 23, and the sealing sheet 12 will be driven to move when the threaded rod 13 rotates due to the unchanged positions of the first threaded block 14 and the second threaded block 15, and further drives the sealing sheet 12 to move, and further drives the sealing block 10 to move, and at this time, the first return spring 24 will be squeezed, so that the gas outlet end 4 is opened, and the distance moved by the threaded rod 13, and further controls the distance moved by the sealing block 10, thereby controlling the opening degree of the air outlet end 4;
in this embodiment, under the condition of energization, at this time, the coil 25 is energized to generate a magnetic field, so that the electromagnet 28 is magnetized through the iron pipe 27, and then the electromagnet 29 is attracted, and then the connecting sheet 30 is driven to move, at this time, the second return spring 31 is compressed, and due to the movement of the connecting sheet 30, the boss 32 is far away from the first thread block 14 and the second thread block 15, and due to the action of the spring 37, the inner slide rod 35 is pushed against, so that the first thread block 14 and the second thread block 15 are closed, and therefore, the threaded rod 13 is driven to move when the threaded rod 13 rotates;
in this embodiment, in the case of power failure, the coil 25 loses power and then the electromagnet 28 loses magnetism, at this time, the second return spring 31 causes the connecting sheet 30 to return to the original position, and then drives the boss 32 to move, and further causes the boss 32 to move into the slot 34, so that the first thread block 14 and the second thread block 15 are separated, and at this time, the spring 37 is in a compressed state, so that the threaded rod 13, the first thread block 14 and the second thread block 15 lose the threaded connection relationship, at this time, the first return spring 24 causes the sealing block 10 to return to the original position to close the air outlet end 4, and then the sealing block 10 pushes the connecting rod 11 to move, and further pushes the threaded rod 13 to move to the initial position, so that the air outlet end 4 can be quickly closed in the case of power failure;
in the embodiment, the flow increasing assembly 8 is driven to operate when the driving shaft 20 rotates, so that the gas entering the gas proportional valve body 1 from the gas inlet end 2 can uniformly and quickly enter the gas outlet end 4;
in this embodiment, the motor 18 is preferably of a Y80M1-2 model, a power supply interface of the motor 18 is connected to a power supply system through a switch, an operation circuit of the motor 18 is a normal and reverse rotation control program of a conventional motor, the operation of the circuit is a conventional circuit, circuits and controls related in the scheme are prior art, and redundant description is not repeated herein.
Example 2
Referring to fig. 2 and fig. 9 for describing embodiment 2, the present embodiment further describes embodiment 1, in the illustration, the flow increasing assembly 8 includes a gear ring 39 rotatably connected to the gas proportional valve body 1, the inner side of the gear ring 39 is engaged with a first flat gear 38, the first flat gear 38 is connected to a transmission member 42 connected to the driving shaft 20, one end of the gear ring 39 is fixedly connected to a rotating ring 40, and the inner wall of the rotating ring 40 is fixedly connected to a plurality of sets of blades 41;
referring to fig. 4 and 9, the transmission member 42 shown in the figure includes a second flat gear 43 fixedly connected to the driving shaft 20, a third flat gear 44 engaged with an outer side of the second flat gear 43, a transmission shaft 45 rotatably connected to the gas proportional valve body 1 and fixedly connected to one end of the third flat gear 44, and a first flat gear 38 and one end of the transmission shaft 45;
in this embodiment, when the driving shaft 20 rotates, the second flat gear 43 will be driven to rotate, and then the third flat gear 44 will be driven to rotate, so that the driving shaft 45 is driven to rotate, and then the first flat gear 38 is driven to rotate, and then the gear ring 39 is driven to rotate, and then the rotating ring 40 is driven to rotate, and then the blades 41 are driven to rotate, so that the gas between the protection plate 6 and the sealing block 10 is rapidly and uniformly delivered to the gas outlet end 4.
Example 3
Referring to fig. 1, 5 and 6, an embodiment 3 is described, which further describes the embodiment 1, in which the protective cover 5 and the protective sheet 6 are detachably connected to the gas proportional valve body 1, the limiting grooves 22 are provided with a plurality of groups and arranged circumferentially, and the bosses 32 are provided with two groups and symmetrically distributed on the connecting sheet 30;
in this embodiment, because protection casing 5 and protection piece 6 all are connected for dismantling with gas proportional valve body 1, and then be convenient for maintain adjusting part 7, increase a class subassembly 8 and closing assembly 9, because spacing groove 22 is provided with the multiunit, and be the circumference range, and then the slip of the slide bar 21 of being convenient for just be convenient for drive threaded rod 13 and rotate, because boss 32 is provided with two sets ofly, and be the symmetric distribution on connection piece 30, the first thread piece 14 of consequently being convenient for and the stable separation of second thread piece 15.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An adjustable gas proportioning valve, comprising:
the gas proportional valve comprises a gas proportional valve body (1), wherein a gas inlet end (2) and a gas outlet end (4) are arranged on the gas proportional valve body (1), a solenoid valve (3) is connected at a position close to the gas outlet end (4), one end of the gas proportional valve body (1) is fixedly connected with a protective cover (5), and the other end of the gas proportional valve body is fixedly connected with a protective sheet (6);
the adjusting component (7) is used for adjusting the air outlet quantity of the air outlet end (4), and the adjusting component (7) is arranged in the protective cover (5);
the flow increasing assembly (8) is used for increasing the gas fluidity inside the gas proportional valve body (1), and the flow increasing assembly (8) is installed in the gas proportional valve body (1) and is connected with the adjusting assembly (7);
and the closing component (9) is used for closing the air outlet end (4), and the closing component (9) is arranged in the gas proportional valve body (1) and is connected with the regulating component (7).
2. The adjustable gas proportioning valve of claim 1 wherein: adjusting part (7) is including sealed piece (10), the one end fixedly connected with connecting rod (11) of sealed piece (10), the one end fixedly connected with of connecting rod (11) is sealed fill up, the one end fixedly connected with threaded rod (13) of sealed pad, the outside threaded connection of threaded rod (13) have with gas proportional valve body (1) sliding connection's first thread piece (14) and second thread piece (15), first thread piece (14) with the outside of second thread piece (15) all is connected with elastic component (16), the one end of threaded rod (13) is connected with driving piece (17).
3. The adjustable gas proportioning valve of claim 2 wherein: driving piece (17) is including fixing motor (18) in protection casing (5), the output fixedly connected with shaft coupling (19) of motor (18), the one end fixedly connected with drive shaft (20) of shaft coupling (19), the one end fixedly connected with of drive shaft (20) with threaded rod (13) sliding connection's slide bar (21), spacing groove (22) have been seted up in the outside of slide bar (21), just spacing groove (22) sliding connection have with threaded rod (13) fixed connection's spacing (23), drive shaft (20) with it is connected to increase a class subassembly (8).
4. The adjustable gas proportioning valve of claim 2 wherein: the closing component (9) comprises a first reset spring (24) and a coil (25) which are arranged between the protective sheet (6) and the sealing block (10) and are sleeved on the outer side of the threaded rod (13), the coil (25) is fixedly connected with a fixing frame (26) fixedly connected with the protective cover (5), the axis center position of the coil (25) is connected with an iron pipe (27) sleeved on the outer side of the threaded rod (13), one end of the iron pipe (27) is fixedly connected with an electromagnet (28) slidably connected with the threaded rod (13), one side of the electromagnet (28) is provided with a magnet (29), one side of the magnet (29) is fixedly connected with a connecting sheet (30) slidably connected with the threaded rod (13), the other side of the magnet is fixedly connected with a second reset spring (31), and the other end of the second reset spring (31) is fixedly connected with the coil (25), the one end fixedly connected with boss (32) of connection piece (30), the one end fixedly connected with of boss (32) with first screw thread piece (14) with second screw thread piece (15) sliding connection's inserted block (33), first screw thread piece (14) with offer on second screw thread piece (15) with slot (34) of inserted block (33) looks adaptation.
5. The adjustable gas proportioning valve of claim 2 wherein: the elastic part (16) comprises two groups of inner sliding rods (35), the two groups of inner sliding rods (35) are respectively fixedly connected with the first threaded block (14) and the second threaded block (15), springs (37) are fixedly connected to the top ends of the inner sliding rods, outer sleeved rods (36) are fixedly connected with the gas proportional valve body (1) in an outer side sliding connection mode, and the other ends of the springs (37) are fixedly connected with the outer sleeved rods (36).
6. The adjustable gas proportioning valve of claim 2 wherein: flow increasing assembly (8) include with gas proportional valve body (1) rotates gear ring (39) of connecting, the inboard meshing of gear ring (39) have with first pinion (38), be connected with on first pinion (38) with driving medium (42) that drive shaft (20) are connected, the one end fixedly connected with swivel becket (40) of gear ring (39), the inner wall fixedly connected with multiunit blade (41) of swivel becket (40).
7. The adjustable gas proportioning valve of claim 6 wherein: the transmission piece (42) comprises a second flat gear (43) fixedly connected with the driving shaft (20), a third flat gear (44) is meshed with the outer side of the second flat gear (43), one end of the third flat gear (44) is fixedly connected with a transmission shaft (45) rotatably connected with the gas proportional valve body (1), and one end of the transmission shaft (45) is fixedly connected with the first flat gear (38).
8. The adjustable gas proportioning valve of claim 1 wherein: the protection casing (5) with the protection piece (6) all with gas proportional valve body (1) is for dismantling the connection.
9. The adjustable gas proportioning valve of claim 3 wherein: the limiting grooves (22) are provided with a plurality of groups and are arranged in a circumferential manner.
10. The adjustable gas proportioning valve of claim 4 wherein: two groups of bosses (32) are arranged and symmetrically distributed on the connecting sheet (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486597.1A CN114321397B (en) | 2021-12-07 | 2021-12-07 | Adjustable gas proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486597.1A CN114321397B (en) | 2021-12-07 | 2021-12-07 | Adjustable gas proportional valve |
Publications (2)
| Publication Number | Publication Date |
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| CN114321397A true CN114321397A (en) | 2022-04-12 |
| CN114321397B CN114321397B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111486597.1A Active CN114321397B (en) | 2021-12-07 | 2021-12-07 | Adjustable gas proportional valve |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6283145B1 (en) * | 2000-02-03 | 2001-09-04 | Cybertech Ventures, Inc. | Proportional control gas valve |
| KR20030010041A (en) * | 2001-07-25 | 2003-02-05 | 동양매직 주식회사 | control valve of gas |
| US20150060711A1 (en) * | 2013-09-02 | 2015-03-05 | Johnson Electric S.A. | Gas shut-off valve |
| CN205207774U (en) * | 2015-12-22 | 2016-05-04 | 上海林内有限公司 | A gas adjusting device for gas heater |
| CN111089194A (en) * | 2020-01-14 | 2020-05-01 | 嘉兴市大宇机电有限公司 | Modularized multifunctional electromagnetic valve for adjusting air-fuel ratio |
| CN112833205A (en) * | 2021-01-08 | 2021-05-25 | 宁波方太厨具有限公司 | Proportional valve and gas water heater |
-
2021
- 2021-12-07 CN CN202111486597.1A patent/CN114321397B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6283145B1 (en) * | 2000-02-03 | 2001-09-04 | Cybertech Ventures, Inc. | Proportional control gas valve |
| KR20030010041A (en) * | 2001-07-25 | 2003-02-05 | 동양매직 주식회사 | control valve of gas |
| US20150060711A1 (en) * | 2013-09-02 | 2015-03-05 | Johnson Electric S.A. | Gas shut-off valve |
| CN205207774U (en) * | 2015-12-22 | 2016-05-04 | 上海林内有限公司 | A gas adjusting device for gas heater |
| CN111089194A (en) * | 2020-01-14 | 2020-05-01 | 嘉兴市大宇机电有限公司 | Modularized multifunctional electromagnetic valve for adjusting air-fuel ratio |
| CN112833205A (en) * | 2021-01-08 | 2021-05-25 | 宁波方太厨具有限公司 | Proportional valve and gas water heater |
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| Publication number | Publication date |
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| CN114321397B (en) | 2023-06-20 |
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