Electric control proportional valve and composite electric control valve of kitchen range

Abstract

The utility model relates to a kitchen range electric control proportional valve and a composite electric control valve, the kitchen range electric control proportional valve comprises a valve main body, a cover plate, a valve cover, an electromagnetic proportional valve, a switch electromagnetic assembly and an outer ring electromagnetic assembly, the valve main body comprises a proportional valve core seat, a gas distribution cavity, a gas inlet joint, a switch electromagnetic valve seat, an outer ring electromagnetic valve seat, an outer ring gas outlet pipe and an inner ring gas outlet pipe; the cover plate is buckled with the lower opening of the gas distribution cavity, and the valve cover is buckled with the upper opening of the proportional valve core seat; the proportional electromagnetic assembly is arranged on the valve cover, the bracket and the leather film are stacked and fixed to a transmission rod at the upper end of the valve rod, the reset spring is matched with the cover plate and the valve element, and the valve element is matched with the proportional valve element seat; the leather membrane is arranged in a counter bore of the proportional valve element seat, and the valve deck fixes the leather membrane. The switch electromagnetic valve seat and the outer ring electromagnetic valve seat are located on the same side and located in the same plane with the air inlet connector, and the size is small. And the reset spring is arranged, so that the pressure stability of the proportional valve is improved, and the safety performance is improved.

Description

Technical Field

[0001] The utility model relates to a stove gas valve, in particular to an electrically controlled proportional valve. Background Art

[0002] At present, the existing technology is Chinese patent 202322378849.X, a stove electric control valve, including a valve body, a cover plate, a valve cover, an electromagnetic proportional valve, a switch electromagnetic assembly and an outer ring electromagnetic assembly, the cover plate covers the air outlet cavity and is sealed, the edge of the membrane is in contact with the bottom plate of the countersunk hole, the valve cover covers the air inlet cavity and its annular interface is inserted into the countersunk hole to fix the membrane, the valve stem passes through the vent hole and is fixed to the support seat and the membrane, and the valve core cooperates with the proportional valve core seat; the valve cover is sealed with the air inlet cavity, the proportional electromagnetic assembly is fixed on the valve cover, and the proportional electromagnetic assembly drives the valve stem; the switch electromagnetic assembly is fixed on the switch electromagnetic valve seat and the electromagnetic valve core cooperates with the switch valve core seat, the outer ring electromagnetic assembly is fixed on the outer ring electromagnetic valve seat, and the electromagnetic valve core cooperates with the outer ring valve core seat. The existing problems are: the switch electromagnetic valve seat and the outer ring electromagnetic valve seat of the valve body are distributed on two perpendicular upper planes, and the volume is large; the pressure stability of the electromagnetic proportional valve is poor. Utility Model Content

[0003] The utility model aims to provide an electric control proportional valve for a stove, which has the characteristics of small volume and stable pressure of the electromagnetic proportional valve.

[0004] The utility model is implemented as follows: a stove electric control proportional valve, which is special in that it includes a valve body, a cover plate, a valve cover, an electromagnetic proportional valve, a switch electromagnetic component and an outer ring electromagnetic component,

[0005] The valve body includes a proportional valve core seat, a sub-gas cavity with a lower opening, an air inlet joint, a switch solenoid valve seat, an outer ring solenoid valve seat, an outer ring air outlet pipe and an inner ring air outlet pipe. The proportional valve core seat is connected to the switch solenoid valve seat, the proportional valve core seat is connected to the sub-gas cavity, the outer ring solenoid valve seat is connected to the sub-gas cavity, the outer ring valve core seat is connected to the outer ring air outlet pipe, and the inner ring air outlet pipe is connected to the sub-gas cavity; the switch solenoid valve seat and the outer ring solenoid valve seat are located on the same side and in the same plane;

[0006] The electromagnetic proportional valve includes a proportional electromagnetic assembly, a bracket, a diaphragm, a valve stem, a valve core and a return spring.

[0007] The switch electromagnetic assembly and the outer ring electromagnetic assembly are respectively arranged on the switch electromagnetic valve seat and the outer ring electromagnetic valve seat, the cover plate is buckled with the lower opening of the air distribution cavity, and the valve cover is buckled with the upper opening of the proportional valve core seat; the proportional electromagnetic assembly is arranged on the valve cover, the support seat and the diaphragm are superimposed and fixed with the transmission rod at the upper end of the valve stem, the reset spring cooperates with the cover plate and the valve core, and the valve core cooperates with the proportional valve core seat; the diaphragm is arranged in the countersunk hole of the proportional valve core seat, and the valve cover fixes the diaphragm.

[0008] The electric-controlled proportional valve for stoves is special in that: a circular seat is provided at the center of the membrane, and a plug-in hole with a lower opening is provided on the support seat;

[0009] The circular seat is inserted into the plug-in hole, and the transmission rod passes through the circular seat and the bracket to cooperate with the clamping spring.

[0010] The electric-controlled proportional valve for stoves is special in that: an upper spring cylindrical seat is provided at the lower end of the valve core, and a lower spring seat is provided on the cover plate;

[0011] The upper spring cylindrical seat is inserted into the upper end of the return spring, and the lower spring seat is inserted into the lower end of the return spring.

[0012] The electric-controlled proportional valve for stoves is special in that the transmission rod, valve stem and valve core are integrally formed, and the valve stem is hollow and has a lower opening.

[0013] The electric-controlled proportional valve for stoves is special in that: an upper spring cylindrical seat is provided at the lower end of the valve core, and a lower spring seat is provided on the cover plate;

[0014] The upper spring cylindrical seat is inserted into the upper end of the return spring, and the lower spring seat is inserted into the lower end of the return spring.

[0015] The electric-controlled proportional valve for stoves is special in that the air dividing cavity and the outer ring electromagnetic valve seat are connected through an air guide channel with a lower opening.

[0016] The cover plate is also provided with a track plate portion, which closes the lower opening of the air guide channel.

[0017] A composite electric control valve, which is special in that it includes a gas distribution pipe and the stove electric control proportional valve as described above,

[0018] The gas distribution pipe is provided with at least two gas outlet joints and a main gas inlet joint, and the gas outlet joint is communicated with the gas inlet joint of the electric-controlled proportional valve of the cooker.

[0019] The composite electric control valve is special in that it also includes a main electromagnetic valve assembly,

[0020] The gas distribution pipe is provided with a main solenoid valve seat, and the main air intake connector is communicated with the main solenoid valve seat.

[0021] The composite electric control valve is special in that the air outlet connector and the main air inlet connector are respectively located on both sides of the air distribution pipe.

[0022] The composite electric-controlled valve is special in that an angular fixed seat plate is provided on the gas distribution pipe, and the angular fixed seat plate and the gas outlet joint are located on the same side.

[0023] The utility model discloses an electric control proportional valve for a stove, wherein a switch electromagnetic valve seat and an outer ring electromagnetic valve seat are located on the same side and in the same plane as an air intake joint, and the volume is small; the arrangement of a reset spring improves the pressure stability of the proportional valve and improves the safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a cross-sectional view of the utility model.

[0025] Figure 2 yes Figure 1 A-A view of.

[0026] Figure 3 It is a three-dimensional cross-sectional view of the valve body of the utility model.

[0027] Figure 4 It is one of the three-dimensional diagrams of the valve body of the utility model.

[0028] Figure 5 This is the second stereoscopic view of the valve body of the utility model.

[0029] Figure 6 It is a perspective view of the second embodiment of the utility model.

[0030] Figure 7 This is one of the three-dimensional exploded views of the second embodiment of the utility model.

[0031] Figure 8 This is the second exploded perspective view of the second embodiment of the utility model. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Example 1

[0035] like Figure 1 , Figure 2As shown, an electric-controlled proportional valve for a stove, the electric-controlled proportional valve for a stove 1 comprises a valve body 2, a cover plate 3, a valve cover 4, an electromagnetic proportional valve, a switch electromagnetic component 5 and an outer ring electromagnetic component 6,

[0036] The valve body 2 includes a proportional valve core seat 21 with upper and lower openings, a sub-gas chamber 22 with a lower opening, an air inlet connector 23, a switch solenoid valve seat 24, an outer ring solenoid valve seat 25, an outer ring air outlet pipe 26 and an inner ring air outlet pipe 27. The proportional valve core seat 21 is connected to the switch valve core seat of the switch solenoid valve seat 24, the suspended end of the proportional valve core seat 21 is connected to the sub-gas chamber 22, the outer ring solenoid valve seat 25 is connected to the sub-gas chamber 22, the outer ring valve core seat is connected to the outer ring air outlet pipe 26, and the inner ring air outlet pipe 27 is connected to the sub-gas chamber 22; the switch solenoid valve seat 24 and the outer ring solenoid valve seat 25 are located on the same side and in the same plane. With such a design, the wiring of the power cord is convenient and orderly.

[0037] The electromagnetic proportional valve includes a proportional electromagnetic assembly 7, a bracket 8, a diaphragm 9, a valve stem 101, a valve core 102 and a return spring 11.

[0038] The switch electromagnetic assembly 5 is arranged on the switch electromagnetic valve seat 24, and the switch electromagnetic valve core cooperates with the switch valve core seat. The outer ring electromagnetic assembly 6 is arranged on the outer ring electromagnetic valve seat 25, and the outer ring electromagnetic valve core cooperates with the outer ring electromagnetic valve core seat; the cover plate 3 is buckled with the lower opening of the air chamber 22, and the valve cover 4 is buckled with the upper opening of the proportional valve core seat 21; the proportional electromagnetic assembly 7 is arranged on the valve cover 4, the support seat 8 and the diaphragm 9 are overlapped and fixed with the transmission rod 103 at the upper end of the valve stem 101, and the reset spring 11 is The cover plate 3 cooperates with the valve core 102, and the valve core 102 cooperates with the proportional valve core seat 21; the diaphragm 9 is arranged in the countersunk hole of the proportional valve core seat 21, and the valve cover 4 fixes the diaphragm 9; with such a design, after the proportional electromagnetic component 7 is powered off, under the action of the reset spring, the valve core 102 automatically seals with the proportional valve core seat 21; after power is turned on, the proportional electromagnetic component 7 drives the transmission rod 103, and the valve stem and the valve core move downward together, and there is a gap between the valve core 102 and the proportional valve core seat 21.

[0039] As a further improvement of the utility model: a circular seat 91 is provided at the center of the membrane 9, and a plug-in hole 81 with a lower opening is provided on the bracket 8;

[0040] The circular seat 91 is inserted into the plug hole 81, and the transmission rod 103 passes through the circular seat 91 and the bracket 8 and engages with the retaining spring, so that the valve stem 101, the membrane and the bracket are connected as a whole.

[0041] As a further improvement of the utility model: an upper spring cylindrical seat 1021 is provided at the lower end of the valve core 102, and a lower spring seat 31 is provided on the cover plate 3;

[0042] The upper spring cylindrical seat 1021 is inserted into the upper end of the reset spring 11, the upper end of the reset spring 11 abuts against the valve core 102, the lower spring seat 31 is inserted into the lower end of the reset spring 11, and the cover plate 3 supports the lower end of the reset spring 11; with such a design, the axis of the reset spring 11 is telescopic and does not bend, thereby improving the accuracy.

[0043] As a further improvement of the present invention: the transmission rod 103, the valve stem 101 and the valve core 102 are integrally formed, the valve stem 101 is hollow and has a lower opening and passes through the valve core 102;

[0044] The lower end of the valve core 102 is provided with an upper spring cylindrical seat 1021, and the cover plate 3 is provided with a lower spring seat 31;

[0045] The upper spring cylindrical seat 1021 is communicated with the inner cavity of the valve stem 102 .

[0046] As a further improvement of the utility model: the air dividing cavity 22 and the outer ring electromagnetic valve seat 25 are connected through the air guide channel 28 with a lower opening;

[0047] The cover plate 3 is further provided with a guide plate portion 32 , which closes the lower opening of the air guide channel 28 .

[0048] Example 2

[0049] like Figure 1 , Figure 2 , Figure 6 , Figure 7 As shown, a composite electric control valve comprises a gas distribution pipe 12 and the stove electric control proportional valve 1 as described above.

[0050] The gas distribution pipe 12 is provided with two gas outlet joints 121 and a main gas inlet joint 122, and the gas outlet joint 121 is connected to the gas inlet joint 23 of the stove electric control proportional valve 1;

[0051] Three, or more than four, gas outlet joints may also be provided.

[0052] As a further improvement of the utility model: it also includes a main solenoid valve assembly 13,

[0053] A main electromagnetic valve seat 123 is provided at the end of the gas distribution pipe 12 , and the main air intake connector 23 is in communication with the main electromagnetic valve seat 123 .

[0054] As a further improvement of the present invention: the air outlet connector 121 and the main air inlet connector 122 are respectively located on both sides of the air distribution pipe 12 .

[0055] As a further improvement of the present utility model: an angular fixed seat plate 124 is provided on the gas distribution pipe 12, and the angular fixed seat plate 124 and the gas outlet connector 121 are located on the same side.

[0056] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An electric controlled proportional valve for a cooking appliance, characterized in that: It includes valve body, cover plate, valve cover, electromagnetic proportional valve, switch electromagnetic assembly and outer ring electromagnetic assembly. The valve body includes a proportional valve core seat, a sub-gas cavity with a lower opening, an air inlet joint, a switch solenoid valve seat, an outer ring solenoid valve seat, an outer ring air outlet pipe and an inner ring air outlet pipe. The proportional valve core seat is connected to the switch valve core seat of the switch solenoid valve seat, the proportional valve core seat is connected to the sub-gas cavity, the outer ring solenoid valve seat is connected to the sub-gas cavity, the outer ring valve core seat is connected to the outer ring air outlet pipe, and the inner ring air outlet pipe is connected to the sub-gas cavity; the switch solenoid valve seat and the outer ring solenoid valve seat are located on the same side and in the same plane; The electromagnetic proportional valve includes a proportional electromagnetic assembly, a bracket, a diaphragm, a valve stem, a valve core and a return spring. The switch electromagnetic assembly and the outer ring electromagnetic assembly are respectively arranged on the switch electromagnetic valve seat and the outer ring electromagnetic valve seat, the cover plate is buckled with the lower opening of the air distribution cavity, and the valve cover is buckled with the upper opening of the proportional valve core seat; the proportional electromagnetic assembly is arranged on the valve cover, the support seat and the diaphragm are superimposed and fixed with the transmission rod at the upper end of the valve stem, the reset spring cooperates with the cover plate and the valve core, and the valve core cooperates with the proportional valve core seat; the diaphragm is arranged in the countersunk hole of the proportional valve core seat, and the valve cover fixes the diaphragm.

2. The electric controlled proportional valve for a stove according to claim 1, characterized in that: A circular seat is provided at the center of the membrane, and a plug-in hole with a lower opening is provided on the support seat; The circular seat is inserted into the plug-in hole, and the transmission rod passes through the circular seat and the bracket to cooperate with the clamping spring.

3. The electric controlled proportional valve for a stove according to claim 1, characterized in that: An upper spring cylindrical seat is provided at the lower end of the valve core, and a lower spring seat is provided on the cover plate; The upper spring cylindrical seat is inserted into the upper end of the return spring, and the lower spring seat is inserted into the lower end of the return spring.

4. The electric control proportional valve for a stove according to claim 1, characterized in that: The transmission rod, the valve stem and the valve core are integrally formed, and the valve stem is hollow and has a lower opening.

5. The electric controlled proportional valve for a stove according to claim 4, characterized in that: An upper spring cylindrical seat is provided at the lower end of the valve core, and a lower spring seat is provided on the cover plate; The upper spring cylindrical seat is inserted into the upper end of the return spring, and the lower spring seat is inserted into the lower end of the return spring.

6. The electric controlled proportional valve for cooking appliances according to claim 1, 2, 3, 4 or 5, characterized in that: The air dividing cavity and the outer ring electromagnetic valve seat are connected through an air guide channel with a lower opening. The cover plate is also provided with a track plate portion, which closes the lower opening of the air guide channel.

7. A composite electric control valve, characterized in that: It comprises a gas distribution pipe and an electric-controlled proportional valve for a stove as claimed in any one of claims 1 to 6, The gas distribution pipe is provided with at least two gas outlet joints and a main gas inlet joint, and the gas outlet joint is communicated with the gas inlet joint of the electric-controlled proportional valve of the cooker.

8. The composite electric control valve according to claim 7, characterized in that: Also includes the main solenoid valve assembly, The gas distribution pipe is provided with a main solenoid valve seat, and the main air intake connector is communicated with the main solenoid valve seat.

9. The composite electric control valve according to claim 7, characterized in that: The air outlet connector and the main air inlet connector are respectively located on both sides of the air distribution pipe.

10. A composite electric control valve according to claim 7, 8 or 9, characterized in that: An angular fixing seat plate is arranged on the gas distribution pipe, and the angular fixing seat plate and the gas outlet joint are located on the same side.

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