Adjustable gas sectional combination valve
Technical Field
The invention relates to the field of gas valves, in particular to an adjustable gas sectional combination valve.
Background
The gas valve is a novel safety matching device for gas pipeline engineering, is used for cutting off, connecting and regulating gas in a pipeline, has good control characteristics and closing sealing performance, and is suitable for various gas medium pipelines such as urban gas, liquefied petroleum, gas and natural gas, oxygen and the like.
However, at present, the traditional gas stepping valve in the market has smaller valve cavity volume at each stage, when the fire power gear is improved, the phenomenon that each stepping electromagnetic valve robs gas easily occurs, and the fire valve is easily robbed by other stepping valves to cause extinguishing of fire, so that the equipment is abnormal in use.
In addition, the air valve used in the traditional gas commercial frying stove is mostly in one-gear combustion type, the gas outlet pressure and the flow are fixed, an operator needs to manually break a gas ball valve when adjusting the fire, and the fire is controlled by manually controlling the opening of the ball valve; the disadvantage of this mode of operation is: the firepower is controlled by the hand feeling of the person, so that the taste of cooking (related to the fire) is different each time.
Therefore, it is necessary to provide an adjustable gas sectional combination valve for solving the above problems.
Disclosure of Invention
The invention provides an adjustable gas sectional combination valve for overcoming at least one defect (deficiency) in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: an adjustable gas sectional combination valve comprises a main electromagnetic valve, a pressure stabilizing valve, a gas channel, a stepping electromagnetic valve group and a flow regulating device;
the main electromagnetic valve, the pressure stabilizing valve and the stepping electromagnetic valve group are sequentially arranged on the fuel gas channel;
the gas buffer cavity is arranged between the flow regulating device and the stepping electromagnetic valve group, the flow regulating device is communicated with the stepping electromagnetic valve group through the gas buffer cavity, gas buffer is reserved in the gas buffer cavity, gas robbing phenomena of each stepping electromagnetic valve are avoided when the firepower is improved, the fire type electromagnetic valve is prevented from being extinguished due to the fact that the firepower is robbed, and the flow regulating device is arranged, so that intelligent control of firepower can be achieved, and firepower in a frying stove is accurately controlled.
Further, the step solenoid valve group comprises a step solenoid valve and a fire type solenoid valve positioned at an open flame outlet, wherein the step solenoid valve is connected to the tail end of the fire type solenoid valve, and the fire type solenoid valve is arranged at the front end of the step solenoid valve, so that fuel gas can be well ignited by the fire type solenoid valve and can be matched with a fuel gas buffer cavity, and the phenomenon of gas robbing can not occur when the step solenoid valve is opened.
Furthermore, the number of the stepping solenoid valves is at least one, the stepping solenoid valves are sequentially connected side by side, and the opening and closing of the stepping solenoid valves can be adjusted according to the use requirement through the arrangement of the stepping solenoid valves, so that the aim of controlling the fire is fulfilled.
Further, the flow regulating device comprises a regulating rod, a regulating rod seat, a sealing ring and a locking piece, the regulating rod is propped against the inner side of the regulating rod seat through the sealing ring, the locking piece is installed on the outer side of the bottom of the regulating rod seat and is connected with the regulating rod, wherein the locking piece can be a screw, the regulating rod can realize up-and-down displacement through the transmission of the screw and a screw thread, when a user rotates the clamping position below the regulating rod clockwise (or anticlockwise), the top of the regulating rod can move upwards (or downwards), so that the gas outlet flow of the stepping electromagnetic valve is regulated, and after the flow is set, the locking piece is screwed up to prevent the position of the regulating rod from changing.
Furthermore, the top of the adjusting rod is in a conical structure, and in practical application, the top of the adjusting rod can be set into other shapes, which are all within the protection scope of the invention.
Furthermore, the sealing ring is a rubber gasket or an anaerobic film, and the adjusting rod can be firmly sleeved on the adjusting rod seat through the rubber gasket or the anaerobic film.
Further, the pressure stabilizing valve comprises a ball valve and a pressure stabilizing valve membrane, the pressure stabilizing valve membrane is arranged at the top of the inner side of the gas channel, one end of the ball valve is connected with the pressure stabilizing valve membrane, the other end of the ball valve is connected with the gas channel to form a pressure stabilizing valve channel, the pressure stabilizing valve membrane has the functions of feeding back the gas pressure and automatically adjusting the outlet pressure, after the gas enters the pressure stabilizing valve, when the gas pressure is increased in the use process, the pressure stabilizing valve membrane is swelled upwards by the increased gas pressure to drive the ball valve to rise, and the opening of the valve port is reduced, so that the outlet pressure is stable; similarly, when the pressure of the gas inlet is reduced, the gas contact surface of the diaphragm can drive the ball valve to increase the opening of the valve port, so that the pressure of the outlet is stable.
Still further, all be equipped with valve controller on main solenoid valve, the kind of fire solenoid valve and the stepping solenoid valve, through valve controller's setting for main solenoid valve, kind of fire solenoid valve and stepping solenoid valve pass through the gas volume be controlled, thereby can be better control gas segmentation combination valve, each solenoid valve passes through valve controller, makes gas buffer cavity all integrate in same valve body, to a great extent saves part cost and installation space.
Further, the valve controller comprises a controller body, a valve port sealing rubber ring, a coil arranged at the top of the controller body and a magnetic core arranged below the coil, wherein the magnetic core is adsorbed to lean against the coil after the coil is electrified, the magnetic core drives the valve port sealing rubber ring to move to form a fuel gas valve port capable of being electrified, the magnetic core below the coil is adsorbed after the coil is electrified, and the magnetic core drives the sealing rubber ring to move upwards, so that a fuel gas channel is opened to form the fuel gas valve port capable of being electrified.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
(1) According to the adjustable gas sectional combination valve disclosed by the invention, the gas cache is reserved in the gas cache cavity, so that the phenomenon of gas robbing of each stepping electromagnetic valve when the fire power is improved is avoided, the fire type electromagnetic valve is ensured not to be extinguished due to the fact that the fire type electromagnetic valve is robbed, and the flow adjusting device is arranged, so that the fire power can be intelligently controlled, and the fire power in a frying stove can be accurately controlled.
(2) The invention discloses an adjustable gas sectional combination valve, wherein a locking piece can be a screw, an adjusting rod can realize up-and-down displacement through the transmission of the screw and a screw thread, when a user rotates a clamping position below the adjusting rod clockwise (or anticlockwise), the top of the rod can move upwards (or downwards), so that the gas outlet flow of a stepping electromagnetic valve is adjusted, and after the flow is set, the locking piece is screwed to prevent the position of the adjusting rod from changing.
(3) According to the adjustable gas sectional combination valve disclosed by the invention, through the arrangement of the valve controller, the gas quantity passing through the main electromagnetic valve, the fire electromagnetic valve and the stepping electromagnetic valve is controlled, so that the gas sectional combination valve can be better controlled, and each electromagnetic valve passes through the valve controller, so that the gas buffer cavities are integrated in the same valve body, and the part cost and the installation space are saved to a great extent.
(4) The adjustable gas sectional combination valve disclosed by the invention has the advantages that the diaphragm of the pressure stabilizing valve has the effects of feeding back the gas pressure and automatically adjusting the outlet pressure, when the gas pressure is increased in the use process, the diaphragm of the pressure stabilizing valve is bulged upwards by the increased gas pressure to drive the ball valve to rise, and the opening of the valve port is reduced, so that the outlet pressure is stable.
Drawings
FIG. 1 is a schematic diagram of an adjustable gas sectional combination valve according to the present invention.
Fig. 2 is a schematic structural view of the stepping solenoid valve group in the present invention.
Fig. 3 is a schematic structural view of the flow rate adjusting device in the present invention.
Fig. 4 is a schematic structural view of the combination of the main solenoid valve and the pressure stabilizing valve in the present invention.
In the figure, a main electromagnetic valve 1, a pressure stabilizing valve 2, a gas channel 3, a step electromagnetic valve group 4, a flow regulating device 5, a gas buffer cavity 6, a step electromagnetic valve 7, a fire type electromagnetic valve 8, an adjusting rod 9, an adjusting rod seat 10, a sealing ring 11, a locking piece 12, a ball valve 13, a pressure stabilizing valve membrane 14, a pressure stabilizing valve channel 15, a valve controller 16, a controller body 17, a valve port sealing rubber ring 18, a coil 19, a magnetic core 20 and a gas valve port 21 are arranged.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, so to speak, the two elements are communicated internally. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention. The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, an adjustable gas sectional combination valve comprises a main electromagnetic valve 1, a pressure stabilizing valve 2, a gas channel 3, a stepping electromagnetic valve group 4 and a flow regulating device 5; the main electromagnetic valve 1, the pressure stabilizing valve 2 and the stepping electromagnetic valve group 4 are sequentially arranged on the fuel gas channel 3; be equipped with gas buffer memory chamber 6 between flow control device 5 and the stepping solenoid valve group 4, flow control device 5 is linked together through gas buffer memory chamber 6 and stepping solenoid valve group 4, through reserving the gas buffer memory in gas buffer memory chamber 6, when avoiding firepower to improve, each stepping solenoid valve robs the phenomenon of gas, ensures that the fire type solenoid valve can not be extinguished because of being robbed gas, and flow control device 5's setting for firepower can realize intelligent control, accurate control fry firepower in the kitchen.
Example 1
The adjustable gas sectional combination valve consists of several stepped solenoid valves, and when in use, the stepped solenoid valves with different gas flows may be opened based on the requirement of the whole engine to realize the stepped combustion function. The bottom of each grading solenoid valve is provided with a gas buffer cavity for preventing gas from being robbed, the bottom of each grading solenoid valve is provided with an independent flow regulating device, the total flow of the outlet of the gas valve bank is overlapped by the outlet flow of each grading solenoid valve and can be conveyed to a burner by one part, the combined valve is provided with a normally open fire gas outlet, and the combined valve is used for ignition after gas pressure stabilization.
The adjustable gas sectional combination valve needs to be ignited with normal open fire before the gas equipment uses strong fire, and the steps are as follows: firstly, the main electromagnetic valve is electrified and opened, and fuel gas enters the pressure stabilizing valve through the main electromagnetic valve, and meanwhile, the fire electromagnetic valve is electrified and opened; the gas after pressure stabilization is conveyed to a normally open flame outlet of the burner by a gas path channel of the flame valve, and is subjected to electronic pulse ignition, so that under the condition that the normally open flame is ignited, the gas equipment can select the firepower required by cooking through a gear button of a control panel; for example, when the key selects the fire gear 1, a first stepping electromagnetic valve in the combined valve is opened, and the fire of the gas equipment is 'small fire'; when the key selects the fire gear 2, a first stepping electromagnetic valve and a second stepping electromagnetic valve in the combined valve are simultaneously opened, the fire power of the gas equipment is medium fire, and when the key selects the fire gear 3, a first stepping electromagnetic valve, a second stepping electromagnetic valve and a third stepping electromagnetic valve in the combined valve are simultaneously opened, and the fire power of the gas equipment is strong fire; the gas valve port size and the flow regulating device of the valve body of the stepping electromagnetic valve can be used for regulating different firepower combinations, the 3 stepping electromagnetic valve is used as the whole, the gear can be divided into 6 firepower gears at most, and the flow regulating device of the stepping electromagnetic valve can be used for regulating the gas outlet flow of each stepping electromagnetic valve according to the requirements of users so as to freely combine firepower sizes of different gears.
As shown in figure 2, the stepping electromagnetic valve group 4 comprises stepping electromagnetic valves 7 and fire type electromagnetic valves 8 positioned at open fire outlets, the stepping electromagnetic valves 7 are connected to the tail ends of the fire type electromagnetic valves 8, fuel gas can be well ignited by the fire type electromagnetic valves 8 by arranging the fire type electromagnetic valves 8 at the front ends of the stepping electromagnetic valves 7 and can be matched with the fuel gas buffer cavity 6, so that no gas robbing phenomenon occurs when the stepping electromagnetic valves 7 are opened.
As shown in fig. 3, the flow regulating device 5 includes a regulating rod 9, a regulating rod seat 10, a sealing ring 11 and a locking member 12, the regulating rod 9 is abutted against the inner side of the regulating rod seat 10 through the sealing ring 11, the locking member 12 is installed on the outer side of the bottom of the regulating rod seat 10 and is connected with the regulating rod 9, wherein the locking member 12 can be a screw, the regulating rod 9 can realize up-down displacement through the transmission of the screw and a screw, when a user rotates a clamping position below the regulating rod clockwise (or anticlockwise), the top of the regulating rod can move upwards (or downwards), so that the gas outlet flow of the stepping electromagnetic valve is regulated, after the flow setting is completed, the locking member is screwed to prevent the position change of the regulating rod, in the invention, the top of the regulating rod 9 is in a conical structure, in practical application, the top of the regulating rod 9 can be set into other shapes, and the top of the regulating rod is in the protection scope of the invention, the sealing ring 11 can be a rubber gasket or an anaerobic film, and the regulating rod can be firmly sleeved on the regulating rod seat through the rubber gasket or the anaerobic film.
As shown in fig. 4, the pressure stabilizing valve 2 comprises a ball valve 13 and a pressure stabilizing valve membrane 14, the pressure stabilizing valve membrane 14 is arranged at the top of the inner side of the gas channel 3, one end of the ball valve 13 is connected with the pressure stabilizing valve membrane 14, the other end of the ball valve 13 and the gas channel form a pressure stabilizing valve channel 15, the pressure stabilizing valve membrane 14 has the functions of feeding back the gas pressure and automatically regulating the outlet pressure, after the gas enters the pressure stabilizing valve 2, when the gas pressure increases in the use process, the pressure stabilizing valve membrane 14 is swelled upwards by the increased gas pressure to drive the ball valve 13 to rise, and the opening of a valve port is reduced, so that the outlet pressure is stable; similarly, when the pressure of the gas inlet is reduced, the gas contact surface of the diaphragm can drive the ball valve to increase the opening of the valve port, so that the pressure of the outlet is stable.
In the invention, the valve controllers 16 are arranged on the main electromagnetic valve 1, the fire electromagnetic valve 8 and the stepping electromagnetic valve 7, and the amounts of fuel gas passing through the main electromagnetic valve 1, the fire electromagnetic valve 8 and the stepping electromagnetic valve 7 are controlled by the arrangement of the valve controllers 16, so that the fuel gas sectional combination valve can be better controlled, and each electromagnetic valve passes through the valve controllers, so that the fuel gas buffer cavities are integrated in the same valve body, and the part cost and the installation space are saved to a great extent.
In addition, the valve controller 16 comprises a controller body 17, a valve port sealing rubber ring 18, a coil 19 arranged at the top of the controller body 17 and a magnetic core 20 arranged below the coil 19, wherein the magnetic core 20 is adsorbed to lean against the coil 19 after the coil 19 is electrified, the magnetic core 20 drives the valve port sealing rubber ring 18 to move to form a fuel gas valve port 21 capable of being electrified, the magnetic core 20 below the valve port sealing rubber ring is adsorbed after the coil 19 is electrified, and the magnetic core 20 drives the sealing rubber ring 18 to move upwards, so that a fuel gas channel is opened.
When the fire electromagnetic valve starts to work, the coil of the fire electromagnetic valve is electrified first, and magnetic force generated by the coil sucks up the magnetic core together with the valve port sealing rubber, so that the gas valve port is opened; the gas is reached the fire gas outlet by the gas buffer cavity of the fire solenoid valve and is conveyed to the normally open fire outlet of the burner, the normally open fire is ignited, the gas outlet flow of the normally open fire can be regulated by the flow regulating device, when the normally open fire of the burner is ignited, the fire gear can be selected by the key to realize the step combustion of the gas equipment, for example, when the key selects the first fire on the gas equipment, the coil of the first step solenoid valve is electrified to suck the magnetic core and the valve port sealing rubber, the gas can pass through the valve port and enter the gas total output interface by the gas buffer cavity, the switching of other gears is the same, and the gas outlet flow of each step solenoid valve can be regulated by the flow regulating device.
When the gas combination valve starts to work, the coil of the main electromagnetic valve is electrified, the magnetic force generated by the coil can suck the magnetic core together with the valve port sealing rubber, the gas valve port is opened, and gas enters the valve cavity; when the gas pressure stabilizing valve assembly stops working, the magnetic core is connected with the valve port sealing rubber to seal the gas valve port of the valve body under the action of the reset spring, so that gas is cut off, after the pressure stabilizing electromagnetic valve is opened, the gas enters the pressure stabilizing valve, the pressure stabilizing valve membrane has the effects of feeding back the gas pressure and automatically adjusting the outlet pressure, and after the gas enters the pressure stabilizing valve, when the gas pressure is increased in the use process, the pressure stabilizing valve membrane is swelled upwards by the increased gas pressure to drive the ball valve to rise, and the opening of the valve port is reduced, so that the outlet pressure is stable; similarly, when the pressure of the gas inlet is reduced, the gas contact surface of the diaphragm can drive the ball valve to increase the opening of the valve port, so that the pressure of the outlet is stable.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.