CN116697096A - Two-stage flow synchronous regulation plug valve - Google Patents
Two-stage flow synchronous regulation plug valve Download PDFInfo
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- CN116697096A CN116697096A CN202310720726.1A CN202310720726A CN116697096A CN 116697096 A CN116697096 A CN 116697096A CN 202310720726 A CN202310720726 A CN 202310720726A CN 116697096 A CN116697096 A CN 116697096A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 61
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 7
- 239000002737 fuel gas Substances 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000006872 improvement Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Sliding Valves (AREA)
Abstract
The invention discloses a two-stage flow synchronous regulation plug valve, and belongs to the technical field of plug valves. It comprises the following steps: the valve body is provided with an air inlet cavity, a main fire channel and a secondary fire channel, and the air inlet cavity is communicated with the main fire channel and the secondary fire channel through the valve core cavity; the valve core is rotatably arranged in the valve core cavity, and the communication area between the air inlet cavity and the valve core cavity is adjusted through the rotation of the valve core, so that the purposes of synchronously discharging fire, synchronously closing fire and synchronously adjusting the fire discharging amount of the main fire channel and the secondary fire channel are realized; and the flow regulating plate is connected with the valve core, rotates synchronously with the valve core and regulates the air inflow. In the process of rotating the valve core and driving the flow regulating plate to synchronously rotate, the flow regulating plate can firstly regulate the air inflow entering the valve core cavity, and then further control the flow entering the main fire channel and the secondary fire channel according to the change of the communication area between the air inflow cavity and the valve core cavity, so that the flow gear when the valve core rotates is increased.
Description
Technical Field
The invention belongs to the technical field of plug valves, and particularly relates to a two-stage flow synchronous regulation plug valve.
Background
A plug valve refers to a plug type gas valve which is often used in domestic gas appliances and is used for controlling the switching supply of a gas source by manual operation. The double-jet plug valve is provided with two air outlet channels, can output fuel gas simultaneously, and realizes the adjustment of the fire of main fire and secondary fire through the rotation of the valve core.
The current case is because its inlet port often sets up to the aperture, and case itself is small, and the line girth is insufficient, leads to its rotation angle's flow gear less, has the fire of main fire and secondary fire from this and adjusts the problem that the gear is less, and the condition of plugging up the inlet port also appears easily to grease in the case simultaneously, and the fault rate is higher.
Disclosure of Invention
The invention provides a secondary flow synchronous regulating plug valve capable of expanding primary fire and secondary fire linear flow gears aiming at the problems existing in the prior art.
The invention can be realized by the following technical scheme:
a two-stage flow synchronized regulating plug valve, comprising:
the valve body is provided with an air inlet cavity, a main fire channel and a secondary fire channel, the main fire channel and the secondary fire channel are arranged in parallel, a valve core cavity is arranged between the air inlet cavity and the main fire channel and between the air inlet cavity and the secondary fire channel, and the air inlet cavity is communicated with the main fire channel and the secondary fire channel through the valve core cavity;
the valve core is rotatably arranged in the valve core cavity, the communication area between the air inlet cavity and the valve core cavity is adjusted through the rotation of the valve core, and the purposes of synchronously discharging fire, synchronously closing fire and synchronously adjusting the fire discharging amount of the main fire channel and the secondary fire channel are realized along with the change of the communication area;
and the flow regulating plate is connected with the valve core and synchronously rotates along with the valve core, and the air inflow is regulated in the rotating process of the flow regulating plate so as to increase the linear flow gear of the valve core.
As a further improvement of the present invention, the valve body has a valve body first air inlet, and the air inlet chamber includes:
the electromagnetic valve cavity is provided with an electromagnetic valve and is provided with an electromagnetic valve air inlet and an electromagnetic valve air outlet, and the electromagnetic valve air inlet is communicated with the electromagnetic valve air outlet through the movement of the electromagnetic valve;
the electromagnetic valve cavity is provided with a valve body second air inlet which is communicated with the electromagnetic valve air outlet;
the fuel gas sequentially passes through the first air inlet of the valve body, the air inlet of the electromagnetic valve, the air outlet of the electromagnetic valve and the second air inlet of the valve body and enters the valve core cavity.
As a further improvement of the invention, the part of the valve core, which is positioned in the valve core cavity, is provided with an arc air inlet groove, and the communication area of the arc air inlet groove and the second air inlet of the valve body is gradually changed in the process of rotating the valve core, so that the air inflow of the main fire channel and the secondary fire channel is regulated.
As a further improvement of the invention, the flow regulating plate is arranged on one side of the valve core in the cavity of the rear cover, and at least part of the flow regulating plate covers the second air inlet of the valve body, and the second air inlet of the valve body is gradually opened or gradually closed in the rotating process of the flow regulating plate.
As a further improvement of the present invention, the flow rate adjustment plate has a flow rate adjustment port, and the conduction area of the flow rate adjustment port and the second air inlet of the valve body is changed with the rotation of the flow rate adjustment plate, thereby changing the amount of intake air into the spool chamber.
As a further improvement of the invention, the flow regulating port can be provided as a fan-shaped hole or a plurality of vent holes with different sizes, and the valve core can increase the flow gear through the flow regulating port.
As a further improvement of the invention, the electromagnetic valve further comprises a valve rod assembly and a lever, wherein the valve rod assembly penetrates through the valve core and stretches into the rear cover cavity, meanwhile, the lever is positioned in the rear cover cavity, one end of the lever is abutted with the valve rod assembly, the other end of the lever stretches into the bottom of the electromagnetic valve, and the valve rod assembly is pressed inwards to drive the lever to rotate and jack up the electromagnetic valve upwards, so that the air inlet of the electromagnetic valve is communicated with the air outlet of the electromagnetic valve.
As a further improvement of the present invention, the valve stem assembly includes:
the valve rod is connected with the valve core, so that the valve rod can drive the valve core to synchronously rotate;
and one end of the valve needle is connected with the end part of the valve rod, the other end of the valve needle penetrates through the valve core and extends into the rear cover cavity to be in butt joint with the lever, and the valve needle can be pushed out forwards and pushes the lever to rotate so as to jack the electromagnetic valve by pressing the valve rod inwards.
As a further improvement of the invention, the lever comprises a rotating part, pressing parts at two ends of the rotating part and a jacking part, wherein the pressing parts are in butt joint with the valve needle, the jacking part penetrates through the air outlet hole of the electromagnetic valve and stretches into the bottom of the electromagnetic valve, and when the valve needle is pushed out forwards, the pressing parts drive the rotating part to rotate and enable the jacking part to tilt upwards so as to jack the electromagnetic valve.
As a further improvement of the valve, a spring cavity and a clamping groove are formed in the part, located outside the valve core cavity, of the valve core, the spring cavity is internally provided with a spring for resetting the valve needle, and the clamping groove is matched with a bolt on the valve rod.
Compared with the prior art, the invention has the following beneficial effects:
1. in the process of rotating the valve core and driving the flow regulating plate to synchronously rotate, the flow regulating plate firstly aims at preparing the air inflow entering the valve core cavity to be regulated, and then the flow of the air entering the main fire channel and the secondary fire channel is further controlled according to the change of the communication area between the air inflow cavity and the valve core cavity, so that the flow gear of the valve core during rotation is increased, and a user can more accurately regulate the required fire gear;
2. the communication area between the air inlet cavity and the valve core cavity is adjusted through the rotation of the valve core, and the purposes of synchronously discharging fire, synchronously closing fire and synchronously adjusting the fire discharging amount of the main fire channel and the secondary fire channel are realized along with the change of the communication area;
3. the flow regulating plate is provided with a flow regulating port, the flow regulating port can be provided with a fan-shaped hole or a plurality of vent holes with different sizes, wherein the maximum vent range of the flow regulating port is that the second air inlet of the valve body is completely opened no matter the flow regulating port is provided with the fan-shaped hole or the vent holes with different sizes, then the flow regulating port gradually becomes smaller along with the rotation of the flow regulating plate, and the amount of fuel gas entering the second air inlet of the valve body from the flow regulating port is reduced along with the flow regulating port, so that the purpose of regulating the air inflow is realized, and the valve core has more linear flow gears;
4. the valve core is provided with an arc air inlet groove at the part in the valve core cavity, the communication area between the arc air inlet groove and the second air inlet of the valve body is gradually changed in the process of rotating the valve core, and the air inflow of the main fire channel and the secondary fire channel is regulated by the arc air inlet groove;
5. the second air inlet of the valve body, the air inlet of the main fire channel and the air inlet of the secondary fire channel are positioned on the same straight line, and the layout ensures that the thickness of the whole valve body can be thinner, thereby reducing the use of materials and further reducing the cost expenditure;
6. the position of the valve body air inlet is positioned above the left side of the electromagnetic valve, so that the thickness of the valve body is reduced, the processing rejection rate can be reduced in the processing process, and the kitchen range is more convenient to install and maintain.
Drawings
FIG. 1 is an exploded view of a two-stage flow synchronized regulating plug valve of the present invention and a schematic view of the post-flow path;
FIG. 2 is a schematic diagram of the internal structure of the two-stage flow synchronous regulating plug valve of the present invention and a schematic diagram of the front air flow path;
FIG. 3 is a front view of a two-stage flow synchronized regulating plug valve of the present invention;
FIG. 4 is a cross-sectional view taken along B-B of FIG. 3 of the present invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 3 in accordance with the present invention;
FIG. 6 is a top view of a two-stage flow synchronized regulating plug valve of the present invention;
fig. 7 is a cross-sectional view of fig. 6 taken along D-D in accordance with the present invention.
100, valve body in the figure; 110. a spool cavity;
120. a valve core; 121. an arc-shaped air inlet groove; 122. a clamping groove; 123. a spring;
130. a flow rate adjusting plate; 131. a flow rate regulating port; 132. a sealing gasket;
140. a valve body first air inlet; 150. an electromagnetic valve cavity; 151. an electromagnetic valve; 152. an air inlet of the electromagnetic valve; 153. an air outlet of the electromagnetic valve; 160. a rear cover cavity; 161. a valve body second air inlet;
170. a valve stem assembly; 171. a valve stem; 172. a valve needle; 173. a plug pin;
180. a lever; 181. a rotating part; 182. a pressing part; 183. a jack-up portion;
200. a main fire path; 300. a secondary fire passage.
Detailed Description
The following are specific embodiments of the present invention and the technical methods of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-7, the present invention provides a two-stage flow synchronous regulating plug valve, comprising:
the valve body 100 is provided with an air inlet cavity, a main fire channel 200 and a secondary fire channel 300, wherein the main fire channel 200 and the secondary fire channel 300 are arranged in parallel, a valve core cavity 110 is arranged between the air inlet cavity and the main fire channel 200 and between the air inlet cavity and the secondary fire channel 300, and the air inlet cavity is communicated with the main fire channel 200 and the secondary fire channel 300 through the valve core cavity 110;
the valve core 120 is rotatably arranged in the valve core cavity 110, the communication area between the air inlet cavity and the valve core cavity 110 is adjusted through the rotation of the valve core 120, and the purposes of synchronously discharging fire, synchronously closing fire and synchronously adjusting the fire discharging amount of the main fire channel 200 and the secondary fire channel 300 are realized along with the change of the communication area;
and a flow rate adjusting plate 130 connected to the valve core 120 and rotated in synchronization with the valve core 120, and adjusting an intake air amount during rotation of the flow rate adjusting plate 130 to increase a linear flow rate gear of the valve core 120.
It should be noted that, in the prior art, the fuel gas flows into the main fire channel 200 and the secondary fire channel 300 through the air inlet hole of the valve core 120, and the volume of the valve core 120 is smaller, the circumference of the wire is insufficient, so that the flow gear in the rotation process of the valve core 120 is less, and it is difficult for the user to accurately adjust the fire to the required size;
in contrast, in the present embodiment, as the valve core 120 rotates and drives the flow adjusting plate 130 to rotate synchronously, the flow adjusting plate 130 will firstly adjust the air intake amount entering the valve core cavity 110, and then further control the flow of the air entering the main fire channel 200 and the secondary fire channel 300 according to the change of the communication area between the air intake cavity and the valve core cavity 110, thereby increasing the flow gear when the valve core 120 rotates, and the user can adjust to the required fire gear more accurately.
Preferably, the valve body 100 has a valve body first air inlet 140, the air inlet cavity comprising:
an electromagnetic valve chamber 150 mounted with an electromagnetic valve 151 and having an electromagnetic valve inlet 152 and an electromagnetic valve outlet 153, the electromagnetic valve inlet 152 being communicated with the electromagnetic valve outlet 153 by movement of the electromagnetic valve 151;
the rear cover cavity 160, the electromagnetic valve cavity 150, the rear cover cavity 160 is provided with a valve body second air inlet 161, and the valve body second air inlet 161 is communicated with the electromagnetic valve air outlet 153;
specifically, the fuel gas sequentially enters the rear cover cavity 160 through the valve body first air inlet 140, the solenoid valve air inlet 152 and the solenoid valve air outlet 153, then enters the valve core cavity 110 through the valve body second air inlet 161, and then is split into the main fire channel 200 and the secondary fire channel 300, and the purpose of synchronous fire discharging is achieved.
Preferably, the part of the valve core 120 located in the valve core cavity 110 is provided with the arc air inlet groove 121, in the process of rotating the valve core 120, the communication area between the arc air inlet groove 121 and the valve body second air inlet 161 is gradually changed, and thus the air inflow of the main fire channel 200 and the secondary fire channel 300 is regulated, in addition, as the valve core 120 contains grease for a long time, compared with the structure of the existing air inlet hole, the problem that the air inlet hole is blocked by grease is solved due to the arrangement of the arc air inlet groove 121, meanwhile, the problem that the existing valve core 120 cannot process a very small hole is also solved, and when the valve core 120 rotates and the valve body second air inlet 161, the rotation angle is small, the intercommunication sectional area is large, and the air flow is not precise is improved, so that the stability and the reliability in use are improved.
Preferably, the flow regulating plate 130 is installed on one side of the valve core 120 located in the rear cover cavity 160, at least part of the flow regulating plate 130 covers the valve body second air inlet 161, the valve body second air inlet 161 is gradually opened or gradually closed in the process of rotating the flow regulating plate 130, and when the valve body second air inlet 161 is opened, the fuel gas can enter the position of the valve core 120.
Further, the flow rate adjustment plate 130 has a flow rate adjustment port 131, and the conduction area between the flow rate adjustment port 131 and the valve body second intake port 161 is changed as the flow rate adjustment plate 130 rotates, thereby changing the amount of intake air into the spool chamber 110.
Specifically, the flow rate adjusting port 131 may be configured as a fan-shaped hole or a plurality of vent holes with different sizes, wherein the maximum ventilation range of the flow rate adjusting port 131 is that the valve body second air inlet 161 is completely opened, and then the flow rate adjusting port 131 becomes gradually smaller along with the rotation of the flow rate adjusting plate 130, so that the amount of fuel gas entering the valve body second air inlet 161 from the flow rate adjusting port 131 is reduced, thereby achieving the purpose of adjusting the air inflow;
it should be noted that, by the flow adjusting plate 130 and the flow adjusting port 131 thereof, the amount of the fuel gas entering from the second air inlet 161 of the valve body can be controlled to be smaller, and finally the amount of the fuel gas entering the main fire channel 200 and the secondary fire channel 300 is smaller, thereby achieving the purpose of increasing the linear flow gear of the valve core 120.
In addition, a sealing gasket 132 can be installed between the flow regulating plate 130 and the valve core 120 to seal, so that the gas can only enter the second air inlet 161 of the valve body through the flow regulating port 131, and the problem of air leakage is avoided.
Preferably, the valve rod assembly 170 and the lever 180 are further included, the valve rod assembly 170 penetrates through the valve core 120 and stretches into the rear cover cavity 160, meanwhile, the lever 180 is located in the rear cover cavity 160, one end of the lever 180 is abutted against the valve rod assembly 170, the other end of the lever 180 stretches into the bottom of the electromagnetic valve 151, the valve rod assembly 170 is pressed inwards to drive the lever 180 to rotate and jack the electromagnetic valve 151 upwards, and at the moment, the electromagnetic valve air inlet 152 is communicated with the electromagnetic valve air outlet 153;
that is, in use, the lever 180 can lift the solenoid valve 151 upward by pressing the valve stem assembly 170 inward, so that the fuel gas enters the position of the valve body second inlet 161.
Preferably, the valve stem assembly 170 includes:
a valve stem 171 connected to the valve core 120 such that the valve stem 171 can drive the valve core 120 to rotate synchronously;
a valve needle 172, one end of which is connected with the end of the valve stem 171 and the other end of which passes through the valve core 120 and extends into the rear cover cavity 160 to be in contact with the lever 180, by pressing the valve stem 171 inward, the valve needle 172 is pushed out forward and pushes the lever 180 to rotate to jack the solenoid valve 151;
specifically, after the valve rod 171 is pressed, the fuel gas enters the position of the valve body second air inlet 161 from the air inlet cavity of the electromagnetic valve 151, and at this time, the valve rod 171 is rotated to drive the valve core 120 and the flow regulating plate 130 to rotate, so that the fuel gas can smoothly enter the main fire channel 200 and the secondary fire channel 300, the purpose of dual-channel synchronous fire discharging is achieved, and in the process of rotating the valve core 120, the dual-channel fire discharging amount can be synchronously regulated.
Preferably, the lever 180 includes a rotating portion 181 and pressing portions 182 and a jack-up portion 183 at two ends thereof, the pressing portions 182 are abutted against the valve needle 172, the jack-up portion 183 passes through an air outlet hole of the solenoid valve 151 and extends into the bottom of the solenoid valve 151, and when the valve needle 172 is pushed forward, the pressing portions 182 drive the rotating portion 181 to rotate and enable the jack-up portion 183 to tilt up to jack up the solenoid valve 151.
Preferably, a spring cavity and a clamping groove 122 are formed in a portion, located outside the valve core cavity 110, of the valve core 120, a spring 123 for resetting the valve needle 172 is installed in the spring cavity, the clamping groove 122 is matched with a plug 173 on the valve rod 171, and the plug 173 is arranged so that the valve rod 171 can drive the valve core 120 to rotate.
In summary, the specific working process of the whole plug valve is as follows:
1. pressing the valve rod 171 inwards to rotate the lever 180 and push the electromagnetic valve 151 upwards, the electromagnetic valve air inlet 152 is communicated with the electromagnetic valve air outlet 153, and at the moment, the fuel gas entering through the valve body air inlet can enter into the rear cover cavity 160 through the electromagnetic valve air inlet 152 and the electromagnetic valve air outlet 153 in sequence;
2. the valve rod 171 is rotated to drive the valve core 120 and the flow regulating plate 130, and the fuel gas enters the valve body second air inlet 161 from the flow regulating port 131 on the flow regulating plate 130 and reaches the side part of the valve core 120, meanwhile, the valve core cavity 110 is communicated with the valve body second air inlet 161 due to the rotation of the valve core 120, at the moment, the fuel gas can enter the valve core cavity 110 and is split into the main fire channel 200 and the secondary fire channel 300, and the two channels can synchronously discharge fire.
In addition, in the present embodiment, the second air inlet 161 of the valve body, the air inlet of the main fire channel 200 and the air inlet of the secondary fire channel 300 are on the same straight line, and the layout makes the thickness of the whole valve body thinner, reduces the use of materials, and further reduces the cost expenditure;
besides, the position of the air inlet of the valve body is positioned above the left side of the electromagnetic valve 151, so that the thickness of the valve body is reduced, the processing rejection rate can be reduced in the processing process, and meanwhile, the kitchen range is more convenient to install and maintain.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the technical means, and also comprises the technical scheme formed by any combination of the technical features. The foregoing is a specific embodiment of the invention, it will be appreciated by those skilled in the art that modifications and variations may be made without departing from the principles of the invention, and such modifications and variations are to be regarded as being within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Claims (10)
1. A two-stage flow synchronizing regulating plug valve, comprising:
the valve body is provided with an air inlet cavity, a main fire channel and a secondary fire channel, the main fire channel and the secondary fire channel are arranged in parallel, a valve core cavity is arranged between the air inlet cavity and the main fire channel and between the air inlet cavity and the secondary fire channel, and the air inlet cavity is communicated with the main fire channel and the secondary fire channel through the valve core cavity;
the valve core is rotatably arranged in the valve core cavity, the communication area between the air inlet cavity and the valve core cavity is adjusted through the rotation of the valve core, and the purposes of synchronously discharging fire, synchronously closing fire and synchronously adjusting the fire discharging amount of the main fire channel and the secondary fire channel are realized along with the change of the communication area;
and the flow regulating plate is connected with the valve core and synchronously rotates along with the valve core, and the air inflow is regulated in the rotating process of the flow regulating plate so as to increase the linear flow gear of the valve core.
2. The two-stage flow synchronized plug valve of claim 1, wherein said valve body has a first inlet port, said inlet chamber comprising:
the electromagnetic valve cavity is provided with an electromagnetic valve and is provided with an electromagnetic valve air inlet and an electromagnetic valve air outlet, and the electromagnetic valve air inlet is communicated with the electromagnetic valve air outlet through the movement of the electromagnetic valve;
the electromagnetic valve cavity is provided with a valve body second air inlet which is communicated with the electromagnetic valve air outlet;
the fuel gas sequentially passes through the first air inlet of the valve body, the air inlet of the electromagnetic valve, the air outlet of the electromagnetic valve and the second air inlet of the valve body and enters the valve core cavity.
3. The two-stage flow synchronous regulating plug valve according to claim 1, wherein the valve core is provided with an arc-shaped air inlet groove at the part positioned in the valve core cavity, and the communication area between the arc-shaped air inlet groove and the second air inlet of the valve body is gradually changed in the process of rotating the valve core, so that the air inflow of the main fire channel and the secondary fire channel is regulated.
4. The two-stage flow synchronous regulating plug valve as claimed in claim 2, wherein the flow regulating plate is mounted on one side of the valve core in the rear cover cavity, and at least part of the flow regulating plate covers the valve body second air inlet, and the valve body second air inlet is gradually opened or gradually closed during rotation of the flow regulating plate.
5. The two-stage flow synchronized pilot plug valve of claim 4, wherein said flow control plate has a flow control orifice, and wherein rotation of said flow control plate varies the area of conduction between said flow control orifice and said second inlet port of said valve body, thereby varying the amount of intake air into the spool chamber.
6. The two-stage flow synchronous regulating plug valve as in claim 5, wherein the flow regulating port is configured as a fan-shaped hole or a plurality of vent holes of different sizes, and the valve core can increase its flow gear through the flow regulating port.
7. The two-stage flow synchronous regulating plug valve according to claim 2, further comprising a valve rod assembly and a lever, wherein the valve rod assembly penetrates through the valve core and stretches into the rear cover cavity, the lever is located in the rear cover cavity, one end of the lever is abutted with the valve rod assembly, the other end of the lever stretches into the bottom of the electromagnetic valve, and the valve rod assembly is pressed inwards to drive the lever to rotate and jack up the electromagnetic valve upwards, so that the air inlet of the electromagnetic valve is communicated with the air outlet of the electromagnetic valve.
8. The two-stage flow synchronized pilot plug valve of claim 7, wherein said valve stem assembly comprises:
the valve rod is connected with the valve core, so that the valve rod can drive the valve core to synchronously rotate;
and one end of the valve needle is connected with the end part of the valve rod, the other end of the valve needle penetrates through the valve core and extends into the rear cover cavity to be in butt joint with the lever, and the valve needle can be pushed out forwards and pushes the lever to rotate so as to jack the electromagnetic valve by pressing the valve rod inwards.
9. The two-stage flow synchronous regulating plug valve according to claim 8, wherein the lever comprises a rotating part, pressing parts at two ends of the rotating part, and a jacking part, the pressing parts are in butt joint with the valve needle, the jacking part penetrates through the air outlet hole of the electromagnetic valve and stretches into the bottom of the electromagnetic valve, and when the valve needle is pushed forward, the pressing parts drive the rotating part to rotate and enable the jacking part to tilt up to jack up the electromagnetic valve.
10. The two-stage flow synchronous regulating plug valve as in claim 8, wherein the valve core is provided with a spring cavity and a clamping groove at a part outside the valve core cavity, the spring cavity is internally provided with a spring for resetting the valve needle, and the clamping groove is matched with a plug pin on the valve rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310720726.1A CN116697096A (en) | 2023-06-16 | 2023-06-16 | Two-stage flow synchronous regulation plug valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310720726.1A CN116697096A (en) | 2023-06-16 | 2023-06-16 | Two-stage flow synchronous regulation plug valve |
Publications (1)
Publication Number | Publication Date |
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CN116697096A true CN116697096A (en) | 2023-09-05 |
Family
ID=87837146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202310720726.1A Pending CN116697096A (en) | 2023-06-16 | 2023-06-16 | Two-stage flow synchronous regulation plug valve |
Country Status (1)
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CN (1) | CN116697096A (en) |
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2023
- 2023-06-16 CN CN202310720726.1A patent/CN116697096A/en active Pending
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