CN110486477B - Two-section type explosion-proof gas electromagnetic valve - Google Patents
Two-section type explosion-proof gas electromagnetic valve Download PDFInfo
- Publication number
- CN110486477B CN110486477B CN201910708807.3A CN201910708807A CN110486477B CN 110486477 B CN110486477 B CN 110486477B CN 201910708807 A CN201910708807 A CN 201910708807A CN 110486477 B CN110486477 B CN 110486477B
- Authority
- CN
- China
- Prior art keywords
- main
- iron core
- gas
- control valve
- movable iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 73
- 238000007789 sealing Methods 0.000 claims description 28
- 238000009966 trimming Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 54
- 239000002737 fuel gas Substances 0.000 description 26
- 230000005284 excitation Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004200 deflagration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- 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
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
- F16K39/024—Devices for relieving the pressure on the sealing faces for lift valves using an auxiliary valve on the main valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a two-section type explosion-proof gas electromagnetic valve, which comprises a valve body, wherein the valve body is provided with a gas inlet and a gas outlet, a gas flow passage for gas flow is formed between the gas inlet and the gas outlet, a cut-off valve assembly for controlling the gas flow passage to open and close is arranged in the valve body, the cut-off valve assembly comprises a main control valve and a secondary control valve, the gas flow passage comprises a gas main flow passage formed in the valve body and a small flow passage formed in the main control valve, the main control valve is used for controlling the gas main flow passage to open and close, the secondary control valve is arranged in the main control valve and used for controlling the small flow passage to open and close, and the main control valve comprises an electromagnetic coil.
Description
Technical Field
The invention relates to the technical field of electromagnetic valves, in particular to a two-section type explosion-proof fuel gas electromagnetic valve.
Background
The fuel gas electromagnetic valve for controlling the opening and closing of the fuel gas flow passage in the current market generally utilizes an electromagnetic coil to generate electromagnetic force to drive a valve core to open a valve, but the fuel gas electromagnetic valve actually used at present has at least the following defects:
(1) When the valve is used in an environment with higher gas static pressure, the valve opening power is larger, and the phenomenon of non-valve opening is easy to occur;
(2) The single electromagnetic valve can only achieve the control of one section of gas flow, the electromagnetic valve is completely opened after being electrified, the requirement of the ignition needing to be controlled in a sectionalized mode cannot be met, the ignition is easy to be carried out under the condition that a large amount of gas exists during the ignition, and the explosion phenomenon is easy to occur.
Disclosure of Invention
The invention aims to solve one of the problems existing in the prior related art at least to a certain extent, and therefore, the invention aims to provide a two-section type explosion-proof fuel gas electromagnetic valve which is simple in structure, safe and reliable.
The above object is achieved by the following technical scheme:
The two-section explosion-proof gas electromagnetic valve comprises a valve body, wherein the valve body is provided with a gas inlet and a gas outlet, a gas flow passage for gas flow is formed between the gas inlet and the gas outlet, a cut-off valve assembly for controlling the gas flow passage to open and close is arranged in the valve body, the cut-off valve assembly comprises a main control valve and a secondary control valve, the gas flow passage comprises a gas main flow passage formed in the valve body and a small flow passage formed in the main control valve, the main control valve is used for controlling the gas main flow passage to open and close, the secondary control valve is arranged in the main control valve and used for controlling the small flow passage to open and close, and the main control valve comprises an electromagnetic coil;
When the electromagnetic valve works, a first voltage is input to the electromagnetic coil to drive the secondary control valve to open the small-flow passage;
and then, inputting a second voltage to the electromagnetic coil to drive the main control valve to open the fuel gas main flow passage, wherein the second voltage is larger than the first voltage.
Further, in order to better realize the invention, the main control valve further comprises an outer frame, a fixed iron core and a main movable iron core, wherein the outer frame is arranged on the valve body, a channel is arranged in the outer frame, the electromagnetic coil is positioned around the channel, the fixed iron core is fixed on one side of the outer frame far away from the valve body, the fixed iron core is inserted into the channel, one end of the main movable iron core is movably arranged in the channel, the other end of the main movable iron core is inserted into the fuel gas main runner, a main sealing rubber plug for opening and closing the fuel gas main runner is arranged at one end of the main movable iron core far away from the fixed iron core, and an opening for communicating the small flow runner with the fuel gas outlet is arranged on the main sealing rubber plug.
Further, in order to better implement the present invention, the main control valve further includes a main elastic member connected between the main sealing rubber stopper and the outer frame.
Further, in order to better realize the invention, the secondary control valve comprises a guide rod, a baffle plate, a secondary sealing rubber plug and a secondary movable iron core, wherein the guide rod is arranged on one end of the fixed iron core, which is close to the main movable iron core, the baffle plate is arranged on the guide rod, the secondary sealing rubber plug is arranged on one end of the guide rod, which is close to the main movable iron core, and is used for opening and closing the small flow channel, and the secondary movable iron core is arranged between the baffle plate and the secondary sealing rubber plug.
Further, in order to better realize the invention, a groove part communicated with the small flow runner is arranged at one end of the main movable iron core, which is close to the fixed iron core, the secondary sealing rubber plug and the secondary movable iron core are accommodated in the groove part, and a through hole is arranged on the side surface of the groove part.
Further, in order to better realize the invention, the main movable iron core is cylindrical, the outer circular surface of the main movable iron core is provided with a trimming edge, and the through hole is arranged on the trimming edge.
Further, in order to better implement the present invention, the secondary control valve further includes a secondary elastic member connected between the flap and the fixed core.
Further, in order to better realize the invention, an inner hole is arranged at one end of the fixed iron core, which is close to the main movable iron core, and one end of the guide rod is arranged in the inner hole in a sliding way.
Further, in order to better implement the present invention, the secondary elastic element is located inside the inner hole, and the secondary elastic element is connected between the baffle and the inner wall of the inner hole.
Further, to better implement the present invention, the electromagnetic coil includes a set of single strong pull coils, or includes a set of single strong pull coils and a set of hold coils.
Compared with the prior art, the invention at least comprises the following beneficial effects:
(1) The main control valve and the secondary control valve are driven by the same electromagnetic coil in an excitation way, and the secondary control valve is started after the electromagnetic coil is electrified with low voltage so as to open a small-flow runner; after ignition is successful, high voltage is introduced into the electromagnetic coil, and the main control valve is started so as to open the fuel gas main runner. By adopting the low-voltage to open the secondary control valve firstly, the small-flow runner is opened, the ignition flow is small, the deflagration can be avoided, and the use comfort of a user is effectively improved.
(2) After the small flow runner is opened, the pressure difference at two ends of the main sealing rubber plug in the main control valve can be effectively reduced, the pressure born by the main sealing rubber plug when the electromagnetic valve is opened by high voltage is reduced, the electric power required by opening the main control valve is reduced, and the success rate of opening the valve is ensured.
Drawings
FIG. 1 is a schematic diagram of a fuel gas solenoid valve in an embodiment of the invention;
fig. 2 is a schematic perspective view of a main movable iron core according to an embodiment of the present invention.
Detailed Description
The following examples illustrate the invention, but the invention is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present invention may be made without departing from the spirit of the present invention, and they are all included in the scope of the claimed invention.
Embodiment one: as shown in fig. 1 and 2, the present embodiment provides a two-stage explosion-proof gas solenoid valve, including a valve body 1, the valve body 1 having a gas inlet 11 and a gas outlet 12, a gas flow path for gas flow being formed between the gas inlet 11 and the gas outlet 12, a shut-off valve assembly for controlling the opening and closing of the gas flow path being provided in the valve body 1, the shut-off valve assembly including a main control valve 2 and a secondary control valve 3, the gas flow path including a gas main flow path 101 formed in the valve body 1 and a small flow path 102 formed in the main control valve 2, the gas inlet 11 being communicated with the gas outlet 12 through the small flow path 102, the gas main flow path 101 being communicated with the gas outlet 12, or the gas inlet 11 being communicated with the gas outlet 12 through the gas main flow path 101, the main control valve 2 being for controlling the opening and closing of the gas main flow path 101, the secondary control valve 3 being provided in the main control valve 2 for controlling the opening and closing of the small flow path 102, the main control valve 2 including an electromagnetic coil 21;
when the secondary control valve works, a first voltage is input to the electromagnetic coil 21 to drive the secondary control valve 3 to open the small flow passage 102;
The main control valve 2 is then driven to open the gas main flow passage 101 by inputting a second voltage to the solenoid 21, wherein the second voltage is greater than the first voltage. In contrast, the first voltage may be referred to as a low voltage and the second voltage may be referred to as a high voltage.
The main control valve 2 and the secondary control valve 3 of the embodiment are driven by the same electromagnetic coil 21 in an excitation manner, and the secondary control valve 3 is started after the electromagnetic coil 21 is electrified with low voltage so as to open the small flow passage 102; after ignition is successful, a high voltage is applied to the solenoid 21, and the main control valve 2 is started to open the gas main flow passage 101. By opening the secondary control valve 3 firstly by introducing low voltage and opening the small-flow channel 102, the ignition flow is small, the deflagration can be avoided, and the use comfort of a user is effectively improved. Then high voltage is introduced, the main control valve 2 is started, and then the fuel gas main flow channel 101 is opened, so that the electric power required for opening the main control valve can be reduced, and the success rate of opening the valve is ensured.
Preferably, the main control valve 2 further comprises an outer frame 22, a fixed iron core 23 and a main movable iron core 24, wherein the outer frame 22 is fixedly arranged on the valve body 1, a channel 20 is arranged in the outer frame 22, a first opening and a second opening are respectively formed at two ends of the channel 20, the right side of the channel 20 is the first opening, the left side of the channel 20 is the second opening, the electromagnetic coil 21 is positioned around the channel 20, the fixed iron core 23 is fixed on one side of the outer frame 22 far away from the valve body 1, the fixed iron core 23 is inserted into the first opening of the channel 20, one end of the main movable iron core 24 is movably arranged in the channel 20, the other end of the main movable iron core 24 is inserted into the gas main flow channel 101 for opening and closing the gas main flow channel 101, an opening 250 for opening and closing the gas main flow channel 101 is arranged at one end of the main movable iron core 24 far away from the fixed iron core 23, and an opening 250 for communicating the small flow channel 102 and the gas outlet 12 is arranged on the main sealing plug 25.
More preferably, the main control valve 2 further comprises a main elastic element 26 connected between the main closing rubber plug 25 and the outer frame 22. When the gas electromagnetic valve is closed, the current of the electromagnetic coil 21 is disconnected, the excitation of the electromagnetic coil 21 is disappeared, and the main movable iron core 24 is reset under the action of the main elastic element 26, so that the main sealing rubber plug 25 is pushed to move to close the gas main flow channel 101, and the gas supply of the gas main flow channel 101 is cut off.
Preferably, the secondary control valve 3 includes a guide rod 31, a blocking piece 32, a secondary sealing rubber plug 33 and a secondary movable iron core 34, wherein the guide rod 31 is slidably arranged at one end of the fixed iron core 23 close to the main movable iron core 24, the blocking piece 32 is arranged near the middle position of the guide rod 31, the secondary sealing rubber plug 33 is arranged at one end of the guide rod 31 close to the main movable iron core 24 and is used for opening and closing the small flow channel 102, and the secondary movable iron core 34 is arranged between the blocking piece 32 and the secondary sealing rubber plug 33. The structure is simple, the operation is stable and reliable, when the electromagnetic coil 21 is electrified with low voltage, the secondary movable iron core 34 is attracted with the fixed iron core 23, and at the moment, the secondary movable iron core 34 drives the secondary sealing rubber plug 33 to move so as to open the small flow runner 102, namely the fuel gas inlet 11 is communicated with the fuel gas outlet 12 through the small flow runner 102 and the fuel gas main runner 101.
More preferably, a groove 240 communicating with the small flow channel 102 is provided on one end of the main movable iron core 24 near the fixed iron core 23, the secondary sealing rubber plug 33 and the secondary movable iron core 34 are accommodated in the groove 240, and the accommodating of the secondary sealing rubber plug 33 and the secondary movable iron core 34 can be facilitated through the provided groove 240, so that the structures of the main control valve 2 and the secondary control valve 3 are more compact. A through hole 241 is provided in a side surface of the groove 240, and the gas main flow passage 101 and the small flow passage 102 are communicated with each other through the through hole 241 and the groove 240, so that the gas inlet 11, the small flow passage 102, the gas main flow passage 101 and the gas outlet 12 are sequentially communicated with each other.
In this embodiment, the main movable core 24 is cylindrical, the outer circumferential surface of the main movable core 24 is provided with a cutting edge 242, and the through hole 241 is provided on the cutting edge 242, so that a fuel gas flow channel is formed between the channel 20 and the cutting edge 242 of the main movable core 24, and fuel gas flows from the fuel gas main flow channel 101 to the through hole 241.
Preferably, the secondary control valve 3 further comprises a secondary elastic element 35 connected between the flap 32 and the fixed core 23. When the gas electromagnetic valve is closed, the current of the electromagnetic coil 21 is disconnected, the excitation of the electromagnetic coil 21 is disappeared, and the secondary movable iron core 34 is reset under the action of the secondary elastic element 35, so that the secondary sealing rubber plug 33 is pushed to move to close the small flow passage 102, and the gas supply of the small flow passage 102 is cut off.
More preferably, an inner hole 230 is provided at an end of the fixed iron core 23 near the main movable iron core 24, and an end of the guide rod 31 is slidably disposed inside the inner hole 230. The accommodating of the secondary elastic element 35 is facilitated by the provision of the inner bore 230, so that the structure of the primary control valve 2 and the secondary control valve 3 is more compact.
In particular, the secondary elastic element 35 is located inside the inner hole 230, and the secondary elastic element 35 is connected between the flap 32 and the inner wall of the inner hole 230. The inner hole 230 has a limiting effect on the secondary elastic element 35, so that the secondary elastic element 35 is prevented from easily loosening and deviating, and the stability and accuracy of resetting of the secondary movable iron core 34 are ensured.
Preferably, the electromagnetic coil 21 comprises a set of single pick-up coils, or a set of single pick-up coils and a set of hold coils.
In the fuel gas solenoid valve of this embodiment, the main control valve 2 and the secondary control valve 3 are driven by the same electromagnetic coil 21 in an exciting manner, when a low voltage is introduced into the electromagnetic coil 21, the secondary movable iron core 34 will be attracted with the fixed iron core 23, and at this time, the secondary movable iron core 34 drives the secondary sealing rubber plug 33 to move so as to open the small flow channel 102, that is, the fuel gas inlet 11 is communicated with the fuel gas outlet 12 through the small flow channel 102 and the fuel gas main flow channel 101. After ignition is successful, when high voltage is introduced into the electromagnetic coil 21, the main movable iron core 24 will be attracted to the fixed iron core 23, and at this time, the main movable iron core 24 drives the main sealing rubber plug 25 to move so as to open the fuel gas main runner 101, i.e. the fuel gas inlet 11 is communicated with the fuel gas outlet 12 through the fuel gas main runner 101.
When the gas electromagnetic valve is closed, the current of the electromagnetic coil 21 is disconnected, the excitation of the electromagnetic coil 21 is disappeared, and the main movable iron core 24 is reset under the action of the main elastic element 26, so that the main sealing rubber plug 25 is pushed to move to close the gas main flow channel 101, and the gas supply of the gas main flow channel 101 is cut off. At the same time, under the action of the secondary elastic element 35, the secondary movable iron core 34 will reset, so as to push the secondary sealing rubber plug 33 to move to close the small flow channel 102, and cut off the gas supply of the small flow channel 102.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (9)
1. The two-section type explosion-proof gas electromagnetic valve comprises a valve body (1), wherein the valve body (1) is provided with a gas inlet (11) and a gas outlet (12), a gas flow channel for gas flow is formed between the gas inlet (11) and the gas outlet (12), and a shut-off valve assembly for controlling the gas flow channel to open and close is arranged in the valve body (1), and the two-section type explosion-proof gas electromagnetic valve is characterized in that the shut-off valve assembly comprises a main control valve (2) and a secondary control valve (3), the gas flow channel comprises a gas main flow channel (101) formed in the valve body (1) and a small flow channel (102) formed in the main control valve (2), the main control valve (2) is used for controlling the gas main flow channel (101) to open and close, and the secondary control valve (3) is arranged in the main control valve (2) and is used for controlling the small flow channel (102) to open and close.
The main control valve (2) comprises an electromagnetic coil (21), a fixed iron core (23), a main movable iron core (24) and a main elastic element (26);
The secondary control valve (3) comprises a guide rod (31), a baffle plate (32), a secondary sealing rubber plug (33) and a secondary movable iron core (34), wherein the guide rod (31) is slidably arranged at one end, close to the main movable iron core (24), of the fixed iron core (23), the baffle plate (32) is arranged on the guide rod (31), the secondary sealing rubber plug (33) is arranged at one end, close to the main movable iron core (24), of the guide rod (31) and is used for opening and closing the small flow channel (102), and the secondary movable iron core (34) is arranged between the baffle plate (32) and the secondary sealing rubber plug (33);
When the gas main runner (101) is operated, a first voltage is input to the electromagnetic coil (21) to drive the secondary control valve (3) to open the small flow runner (102), and then a second voltage is input to the electromagnetic coil (21) to drive the main control valve (2) to open the gas main runner (101), wherein the second voltage is larger than the first voltage.
2. The two-stage explosion-proof gas electromagnetic valve according to claim 1, wherein the main control valve (2) further comprises an outer frame (22), wherein the outer frame (22) is arranged on the valve body (1), a channel (20) is arranged in the outer frame (22), the electromagnetic coil (21) is positioned around the channel (20), the fixed iron core (23) is fixed on one side of the outer frame (22) away from the valve body (1) and inserted into the channel (20), one end of the main movable iron core (24) is movably arranged in the channel (20), the other end of the main movable iron core is inserted into the gas main runner (101), one end of the main movable iron core (24) away from the fixed iron core (23) is provided with a main sealing rubber plug (25) for opening and closing the gas main runner (101), and an opening (250) for communicating the small flow rate (102) with the gas outlet (12) is arranged on the main sealing rubber plug (25).
3. A two-stage explosion-proof gas solenoid valve according to claim 2, characterised in that said main elastic element (26) is connected between said main closing plug (25) and said outer frame (22).
4. The two-stage explosion-proof gas electromagnetic valve according to claim 1, characterized in that a groove (240) communicated with the small flow passage (102) is arranged at one end of the main movable iron core (24) close to the fixed iron core (23), the secondary sealing rubber plug (33) and the secondary movable iron core (34) are accommodated in the groove (240), and a through hole (241) is arranged on the side surface of the groove (240).
5. The two-stage explosion-proof gas electromagnetic valve according to claim 4, wherein the main movable iron core (24) is cylindrical, a trimming edge (242) is arranged on the outer circular surface of the main movable iron core (24), and the through hole (241) is arranged on the trimming edge (242).
6. A two-stage explosion-proof gas solenoid valve according to claim 1, characterised in that said secondary control valve (3) further comprises a secondary elastic element (35) connected between said flap (32) and said fixed core (23).
7. The two-stage explosion-proof gas solenoid valve according to claim 6, wherein an inner hole (230) is provided at an end of the fixed iron core (23) close to the main movable iron core (24), and one end of the guide rod (31) is slidably disposed inside the inner hole (230).
8. The two-stage explosion-proof gas solenoid valve according to claim 7, wherein said secondary spring element (35) is located inside said inner bore (230), and said secondary spring element (35) is connected between said flap (32) and the inner wall of said inner bore (230).
9. A two-stage explosion-proof gas solenoid valve according to any one of claims 1 to 8, wherein said solenoid (21) comprises a set of single-pull-up coils, or a set of single-pull-up coils and a set of hold-down coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910708807.3A CN110486477B (en) | 2019-08-01 | 2019-08-01 | Two-section type explosion-proof gas electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910708807.3A CN110486477B (en) | 2019-08-01 | 2019-08-01 | Two-section type explosion-proof gas electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110486477A CN110486477A (en) | 2019-11-22 |
| CN110486477B true CN110486477B (en) | 2024-05-28 |
Family
ID=68549316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910708807.3A Active CN110486477B (en) | 2019-08-01 | 2019-08-01 | Two-section type explosion-proof gas electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110486477B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387325Y (en) * | 1999-07-05 | 2000-07-12 | 黄俊诚 | Improved gas electromagnetic valve |
| CN2413096Y (en) * | 2000-01-26 | 2001-01-03 | 黄俊诚 | Solenoid valve capable of sectional opening for use in water heater |
| EP1278011A2 (en) * | 2001-07-19 | 2003-01-22 | HeaTec Thermotechnik GmbH | Valve insert and valve for gas appliances |
| CN2874146Y (en) * | 2005-12-05 | 2007-02-28 | 黄依华 | Flow control valve for gas range |
| CN202510789U (en) * | 2012-03-12 | 2012-10-31 | 黄依华 | Two-stage gas valve |
| CN106051172A (en) * | 2016-07-20 | 2016-10-26 | 广东万家乐燃气具有限公司 | Electromagnetic valve with two fuel gas flow capacity conditions |
| CN210715965U (en) * | 2019-08-01 | 2020-06-09 | 中山市合捷电子科技有限公司 | Two-section type explosion-proof gas electromagnetic valve |
-
2019
- 2019-08-01 CN CN201910708807.3A patent/CN110486477B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387325Y (en) * | 1999-07-05 | 2000-07-12 | 黄俊诚 | Improved gas electromagnetic valve |
| CN2413096Y (en) * | 2000-01-26 | 2001-01-03 | 黄俊诚 | Solenoid valve capable of sectional opening for use in water heater |
| EP1278011A2 (en) * | 2001-07-19 | 2003-01-22 | HeaTec Thermotechnik GmbH | Valve insert and valve for gas appliances |
| CN2874146Y (en) * | 2005-12-05 | 2007-02-28 | 黄依华 | Flow control valve for gas range |
| CN202510789U (en) * | 2012-03-12 | 2012-10-31 | 黄依华 | Two-stage gas valve |
| CN106051172A (en) * | 2016-07-20 | 2016-10-26 | 广东万家乐燃气具有限公司 | Electromagnetic valve with two fuel gas flow capacity conditions |
| CN210715965U (en) * | 2019-08-01 | 2020-06-09 | 中山市合捷电子科技有限公司 | Two-section type explosion-proof gas electromagnetic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110486477A (en) | 2019-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2666687C1 (en) | Electromagnetic valve | |
| EP2444730A1 (en) | Method for assembling an electromagnetic gas valve, and electromagnetic gas valve | |
| US9677671B2 (en) | Armature assembly for a solenoid valve | |
| CN110486477B (en) | Two-section type explosion-proof gas electromagnetic valve | |
| CN210715965U (en) | Two-section type explosion-proof gas electromagnetic valve | |
| MXPA04003276A (en) | A valve unit for controlling the delivery of a fuel gas. | |
| CN110030403A (en) | A kind of gas ratio valve | |
| CN205559877U (en) | Heavy -calibre guide formula two -position three way solenoid valve | |
| RU2418220C1 (en) | Shut-off electro-magnetic valve | |
| WO2000074085A3 (en) | Electromagnetic actuator | |
| CZ20011402A3 (en) | Safety valve for gas supplying pipeline | |
| US20020134958A1 (en) | Solenoid microvalve | |
| KR101181869B1 (en) | Mixed Solenoid Valve | |
| CN214946767U (en) | Pneumatic pilot electromagnetic combined quick switch valve | |
| JP5068733B2 (en) | Motor safety valve | |
| CA2930816C (en) | Water discharge valve for toilets | |
| JP2017040309A (en) | Actuator for solenoid valve, and solenoid valve | |
| US8955532B2 (en) | Valve with a removable cartridge | |
| KR20150029825A (en) | Solenoid valve | |
| TW502096B (en) | One-way returning electromagnetic valve | |
| US11280419B2 (en) | High-pressure safety valve | |
| KR101099715B1 (en) | Solenoid valve apparatus for controlling flow rate | |
| CN115978277A (en) | Integrated hydrogen proportional valve for two-wheeled electric vehicle | |
| CA2363888A1 (en) | Solenoid microvalve | |
| CN116906604A (en) | Solenoid valve and gas equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240409 Address after: 528400 floor 4, building 1, No. 68, dongfuyi Road, Dongfeng Town, Zhongshan City, Guangdong Province Applicant after: Zhongshan Huajie Intelligent Technology Co.,Ltd. Country or region after: China Address before: 528400 Second Floor Card, No. 28 Minxing Road San Xiang, Dongsheng Town, Zhongshan City, Guangdong Province Applicant before: Zhongshan Hejie Electronic Technology Co.,Ltd. Country or region before: China Applicant before: Wang Li |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |