CN112963586A

CN112963586A - Gas valve and gas stove

Info

Publication number: CN112963586A
Application number: CN202110128010.3A
Authority: CN
Inventors: 齐鲁朋; 杨成垒
Original assignee: Haier Smart Home Co Ltd; Qingdao Haier Wisdom Kitchen Appliance Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Haier Wisdom Kitchen Appliance Co Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-06-15

Abstract

The invention provides a gas valve and a gas stove, wherein the gas valve comprises: the gas flow control device comprises a base body, a first control valve and a second control valve, wherein the base body is provided with a first gas outlet pipeline and a second gas outlet pipeline, the first control valve can control the gas flow of the first gas outlet pipeline, and the second control valve can control the gas flow of the second gas outlet pipeline; the control knobs of the first control valve and the second control valve can be arranged on the same axis in a stacking mode, and a control push rod capable of selectively controlling the two control valves can be arranged. The gas stove comprises a combustor and a gas valve, and the gas valve is communicated with the combustor through a gas supply pipeline. The gas stove disclosed by the invention can meet the diversity requirements of users on firepower control of different parts of the burner, and is favorable for improving the accuracy of fire control.

Description

Gas valve and gas stove

Technical Field

The invention relates to the technical field of gas control, in particular to a gas valve and a gas stove.

Background

The gas stove is a kitchen utensil which is heated by direct fire with gas fuel such as liquefied petroleum gas, artificial gas, natural gas and the like.

The existing gas stove comprises a burner, a gas valve and a switch knob. The gas supply pipeline of the burner is provided with a gas valve, and the gas flow supplied to the burner by the gas supply pipeline is controlled by the opening degree of the gas valve, so that the aim of adjusting firepower is fulfilled.

However, in the related art, the burner includes two-ring, three-ring, and other multi-ring fire covers, and the gas valve can only control the gas path of each ring fire cover synchronously, i.e., adjust the gas supply flow of each ring fire cover simultaneously. For example, by adjusting the opening degree of the gas valve, the simultaneous opening or closing of the annular fire covers can be realized, and the gas flow of the annular fire covers can also be simultaneously increased or decreased. The gas stove with the structure can not meet the requirement of a user on the fire diversity control.

Disclosure of Invention

The embodiment of the invention provides a gas valve and a gas stove, which are used for solving the problem that the existing gas valve cannot meet the requirement of a user on fire diversity control.

In order to achieve the purpose, the invention provides the following technical scheme:

one aspect of an embodiment of the present invention provides a gas valve including: the device comprises a base body, a first gas outlet pipeline and a second gas outlet pipeline, wherein the base body is provided with the first gas outlet pipeline and the second gas outlet pipeline at intervals; a first control valve comprising a first control knob and a first valve stem; the first valve rod is used for plugging a first air outlet of the first air outlet pipeline; the first control knob is fixedly mounted on the first valve rod and used for driving the first valve rod to be far away from or close to the first gas outlet so as to control the gas flow of the first gas outlet pipeline; the second control valve comprises a second control knob, a hollow shaft, a transmission assembly and a second valve rod; the second valve rod is used for plugging a second air outlet of the second air outlet pipeline, the hollow shaft is rotatably sleeved on the outer side of the first valve rod, the first end of the hollow shaft is fixedly provided with the second control knob, the second control knob and the first control knob are arranged at intervals along the axial direction of the hollow shaft, and the second end of the hollow shaft is in transmission connection with the second valve rod through the transmission assembly; the second control knob is used for driving the second valve rod to be far away from or close to the second air outlet through the hollow shaft and the transmission assembly so as to control the air flow of the second air outlet pipeline.

According to the gas valve provided by the invention, the first control knob drives the first valve rod to rotate so as to control the gas flow of the first gas outlet pipeline; the second control knob drives the second valve rod to rotate so as to control the gas flow of the first gas outlet pipeline; so, the user can control the break-make of first gas outlet pipeline and second gas outlet pipeline and the regulation of tolerance respectively, just can satisfy the user to the requirement of the different positions of combustor accuse fire variety, does benefit to the accuracy that improves the accuse fire.

In addition, a first control knob is arranged on the outer side of the first valve rod in a fastening mode, a hollow shaft is arranged on the outer side of the first valve rod in a rotating mode, a second control knob is arranged on the outer side of the hollow shaft in a fastening mode, the first control knob and the second control knob are arranged at intervals in the axis direction of the hollow shaft, the first control knob and the second control knob are coaxial, the first valve rod and the driving portion of the second valve rod are integrated, different gas outlet pipelines can be regulated and controlled by a user, and the fire can be controlled conveniently and flexibly by the user.

Another aspect of an embodiment of the present invention provides a gas valve including: the device comprises a base body, a first gas outlet pipeline and a second gas outlet pipeline, wherein the base body is provided with the first gas outlet pipeline and the second gas outlet pipeline at intervals; a first control valve comprising a first wheel-like component, a transmission assembly, and a first valve stem; the first valve rod is used for plugging a first air outlet of the first air outlet pipeline; the first wheel-shaped component is in transmission connection with the first valve rod through the transmission assembly, and a first inner gear ring is arranged at the center of the first wheel-shaped component; the second control valve comprises a second wheel-shaped component, a transmission assembly and a second valve rod; the second valve rod is used for plugging a second air outlet of the second air outlet pipeline; the second wheel-shaped part is in transmission connection with the second valve rod through the transmission assembly, and a second inner gear ring is arranged at the center of the second wheel-shaped part; the control push rod is provided with an outer gear ring; the control push rod sequentially penetrates through the shaft holes of the first wheel-shaped part and the second wheel-shaped part and can reciprocate along the common axis of the first wheel-shaped part and the second wheel-shaped part so as to enable the outer gear ring to be meshed with the first inner gear ring and further drive the first valve rod to be far away from or close to the first air outlet so as to control the air flow of the first air outlet pipeline, or enable the outer gear ring to be meshed with the second inner gear ring so as to drive the second valve rod to be far away from or close to the second air outlet so as to control the air flow of the second air outlet pipeline.

The gas valve provided by the invention is provided with the control push rod with the outer gear ring, the first wheel-shaped part with the first inner gear ring and the second wheel-shaped part with the second inner gear ring, and the control push rod sequentially passes through the shaft holes of the first wheel-shaped part and the second wheel-shaped part and can reciprocate along the common axis of the first wheel-shaped part and the second wheel-shaped part through the stacking of the first wheel-shaped part and the second wheel-shaped part, so that when the outer gear ring is meshed with the first inner gear ring, the gas flow of the first gas outlet pipeline can be controlled by rotating the control push rod, or when the outer gear ring is meshed with the second inner gear ring, the gas flow of the second gas outlet pipeline can be controlled by rotating the control push rod. So, the drive part integration of first valve rod and second valve rod is in the same place to drive respectively through the control push rod, do benefit to the user and regulate and control different gas outlet pipe ways, more do benefit to the user and conveniently and control fire in a flexible way.

Still another aspect of an embodiment of the present invention provides a gas range, including a burner, and the gas valve and the gas range as described above, which are communicated with the burner through a gas supply pipeline.

The gas stove provided by the invention can respectively control gas in different pipelines, and can also integrate the driving parts of the first valve rod and the second valve rod together, thereby being beneficial to regulating and controlling different gas outlet pipelines by users and being more beneficial to conveniently and flexibly controlling fire by users.

In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic view of a gas valve provided in accordance with an embodiment of the present invention;

FIG. 2 is a simplified schematic illustration of the gas valve shown in FIG. 1;

FIG. 3 is a top view of the gas valve shown in FIG. 1;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3 with the first outlet line and the second outlet line in a closed condition;

FIG. 5 is a cross-sectional view of the first outlet line and the second outlet line of FIG. 4 in an open state;

FIG. 6 is a cross-sectional view of another transmission assembly provided in accordance with an embodiment of the present invention;

FIG. 7 is a partial cross-sectional view of another gas valve provided in accordance with an embodiment of the present invention;

FIG. 8 is a partial cross-sectional view of a first valve stem, a second valve stem, and a third valve stem junction provided by an embodiment of the present invention;

FIG. 9 is a cross-sectional view at B-B of FIG. 3 with the general control valve in a closed state;

FIG. 10 is a cross-sectional view of the general control valve shown in FIG. 9 in an open state;

FIG. 11 is a schematic view of the first valve stem shown in FIG. 3;

FIG. 12 is an exploded view of FIG. 11;

FIG. 13 is a schematic view of an alternative valve stem to second valve stem connection provided by an embodiment of the present invention;

FIG. 14 is a simplified schematic of another gas valve.

Description of reference numerals:

1-a substrate; 11-a first outlet line; 12-a second outlet line; 13-a transition tube; 14-horizontal tube; 15-a connector;

21-a first valve stem; 22-a first control knob;

31-a hollow shaft; 32-a second valve stem; 33-a second control knob;

41-a first wheel-like component; 42-a second wheel-like component; 43-a transmission member;

5-an air inlet pipeline; 51-an air inlet; 52-first part; 53-second part; 54-total control valve;

61-a first wheel-like component; 611-a first ring gear; 62-a second wheel-like component; 621-a second ring gear; 63-a third wheel; 64. a transmission member;

71-an air inlet; 72-first part; 73-a second part; 74-third portion;

81-a valve stem; 82-a counter element; 83-a valve core; 831-inner cavity of valve core; 84-a valve handle; 85-mounting a bracket; 86-mounting plate; 87-a connecting plate;

91-sleeve shaft; 92-a third valve stem;

10-control push rod; 101-external gear ring.

With the above figures, certain embodiments of the invention have been illustrated and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it by those skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Existing burners typically include an inner ring cap, an intermediate ring cap, and an outer ring cap to provide greater combustion area and fire power. The existing gas valve generally comprises a valve body and a valve core, wherein a gas inlet channel, an inner ring gas outlet channel, a middle ring gas outlet channel and an outer ring gas outlet channel are arranged on the valve body, three vent holes are formed in the valve core, and when the vent holes are communicated with the ring gas outlet channels, gas is opened through the ring fire cover.

However, the existing gas valve can only control the simultaneous opening and closing and the size adjustment of the fire-surrounding covers at the same time. Thus, the requirement of the user for controlling the fire diversity cannot be met, for example, when the user uses a small pot, the user hopes to close the outer ring fire; as another example, the user may wish to turn off the inner ring fire when only peripheral heating is desired.

In view of this, the gas valve of the present invention controls the gas output of different gas output pipelines through different knobs, so as to meet the requirements of users on the fire control diversity of different parts of the burner.

The following describes a gas range of the present invention with reference to the accompanying drawings.

A gas stove comprises a burner and a gas valve, wherein the gas valve is communicated with the burner through a gas supply pipeline.

Fig. 1 is a schematic view of a gas valve according to an embodiment of the present invention, and as shown in fig. 1, the embodiment of the present invention provides a gas valve including a base 1, a first control valve, and a second control valve. Wherein, the base body 1 is provided with a first air outlet pipeline 11, a second air outlet pipeline 12 and an air inlet pipeline 5. The first outlet pipeline 11 and the second outlet pipeline 12 are arranged at intervals, that is, a space is formed between the first outlet pipeline 11 and the second outlet pipeline 12. The inlet line 5 communicates with a first outlet line 11 and a second outlet line 12, respectively. The first control valve and the second control valve can respectively regulate the air output of the first air output pipeline 11 and the air output of the second air output pipeline 12.

For convenience of description, the direction indicated by the arrow X in the drawings is the upper side of the gas valve, and the other side is the lower side of the gas valve; the direction indicated by an arrow Y in the drawing is the left side of the gas valve, and the other side is the right side of the gas valve; the direction indicated by an arrow Z in the drawing is the front side of the gas valve, and the other side is the rear side of the gas valve. Exemplarily, in fig. 1, the first outlet pipeline 11 and the second outlet pipeline are both arranged along a vertical direction, and the second outlet pipeline 12 is located at the left side of the first outlet pipeline 11; the inlet pipe 5 is located at the lower side of the first outlet pipe 11 and the second outlet pipe 12, and the inlet 51 of the first outlet pipe 11 faces the upper side of the gas valve.

FIG. 2 is a simplified schematic illustration of the gas valve shown in FIG. 1, with the arrows in FIG. 2 indicating the direction of flow of the gas; fig. 3 is a top view of the gas valve shown in fig. 1, as shown in fig. 1-3, gas enters the inlet line 5 from the inlet 51 and enters the first outlet line 11 and the second outlet line 12 through the inlet line 5; the gas output of the first gas outlet pipeline 11 is adjusted by a first control valve and then flows into the combustor through a gas supply pipeline; the gas quantity of the second gas outlet pipeline 12 is adjusted by a second control valve and then flows into the combustor through the gas supply pipeline.

The first outlet pipeline 11 and the second outlet pipeline 12 may be communicated with one or more outlet branches. Fig. 1-3 show an example in which the first outlet pipeline 11 is communicated with two outlet branches, and the second outlet pipeline 12 is communicated with one outlet branch. It should be noted that the first outlet pipe 11 may also be connected to one or more than two outlet branches, and the second outlet pipe may also be connected to two or more than two outlet branches. The number of outlet branches shown in fig. 1 to 3 is only an example, and the number of outlet branches is not particularly limited in the present invention.

In addition, the gas outlet branch may include a transition pipe 13 and a horizontal pipe 14 communicating with the transition pipe 13. For example, taking the first outlet pipeline 11 as an example, in fig. 2, the transition pipe 13 may be communicated with the outlet of the first outlet pipeline 11, and the transition pipe 13 may be bent relative to the first outlet pipeline 11 and may extend towards the left side or the right side. The horizontal tube 14 may be bent with respect to the transition tube 13 and may extend toward the front side. Optionally, in fig. 1 and 3, a connecting member 15 may be connected between two adjacent horizontal pipes 14 to enhance the structural strength of the horizontal pipes 14.

In addition, the inlet end of the inlet pipeline 5 is the end provided with the inlet 51, and the inlet end of the inlet pipeline 5 may be located between two adjacent outlet branches. Illustratively, in fig. 2, the inlet end of the inlet pipe 5 is disposed between two horizontal tubes 14 communicating with the first outlet pipe 11, i.e., between the horizontal tube 14 on the left and the horizontal tube 14 in the middle. Of course, the inlet end of the inlet line 5 may also be arranged between the first outlet line 11 and the second outlet line 12.

Continuing as shown in fig. 1, the inlet pipe 5 and the outlet branch pipes can be located at the lower sides of the first outlet pipe 11 and the second outlet pipe 12, so that the flowing portions of the gas can be placed at the same side, the gas can be moved at a short distance, the loss of the gas is reduced, and the overall stability is improved.

In addition, the upper sides of the first outlet pipeline 11 and the second outlet pipeline 12 are provided with a control part of the first control valve and the second control valve, so that the user can control the outlet amount of the first outlet pipeline 11 and the second outlet pipeline 12.

Wherein the first control valve comprises a first valve rod 21, and the first valve rod 21 can rotate in the first air outlet pipeline 11. When the gas outlet device is used, a user can drive the first valve rod 21 to rotate, so that the first valve rod 21 is far away from or close to the first gas outlet, the area of the first gas outlet closed by the first valve rod 21 is controlled, and the gas flow of the first gas outlet pipeline 11 is controlled. It will be readily appreciated that the end of the first valve stem 21 intended to cooperate with the first air outlet is of the same shape and size as the first air outlet. For example, when the first air outlet is a tapered hole with a maximum diameter of 2cm, the end of the first valve rod 21 that is matched with the first air outlet is a frustum with a large diameter end of 2cm, so that when the frustum of the first valve rod 21 is closer to the tapered hole of the first air outlet pipeline 11, the air outlet amount of the first air outlet pipeline 11 is smaller and smaller, and vice versa, the air outlet amount is larger and larger.

Similarly, the second control valve includes a second valve stem 32, and the second valve stem 32 is rotatable in the second outlet pipe 12. In use, a user can drive the second valve rod 32 to rotate, so that the second valve rod 32 is far away from or close to the second gas outlet, so as to control the area of the second gas outlet blocked by the second valve rod 32, and control the gas flow of the second gas outlet pipeline 12. It should be understood that the engagement of the second valve stem 32 with the second air outlet is substantially the same as the engagement of the first valve stem 21 with the first air outlet and will not be described in detail.

It should be noted that, the present invention integrates the driving parts of the first valve rod 21 and the second valve rod 32 together, so that the user can more conveniently and respectively regulate and control different gas outlet pipelines, which is convenient for the user to flexibly control fire. Specific embodiments thereof include the following two. Fig. 1-12 show one possible implementation and fig. 13 shows another possible implementation.

Example one

One possible implementation of "the first valve stem 21 is integrated with the driving portion of the second valve stem 32" is described below.

Fig. 4 is a sectional view at a-a of fig. 3, in which the first outlet pipeline 11 and the second outlet pipeline 12 are in a closed state, fig. 5 is a sectional view of the first outlet pipeline 11 and the second outlet pipeline 12 shown in fig. 4 in an open state, and the direction of the arrow in fig. 5 indicates the flowing direction of the fuel gas, as shown in fig. 1 and fig. 3-5, a hollow shaft 31 is rotatably sleeved on the outer side of the first valve rod 21, and a transmission assembly is arranged between the hollow shaft 31 and the second valve rod 32. The user may rotate the hollow shaft 31, which in turn rotates the second valve stem 32 via the transmission assembly.

As shown in fig. 1, the transmission assembly includes a first wheel-shaped component 41, a second wheel-shaped component 42 and a transmission member 43, the first wheel-shaped component 41 is sleeved on the lower end of the hollow shaft 31, the second wheel-shaped component 42 is sleeved on the second valve stem 32, and the first wheel-shaped component 41 and the second wheel-shaped component 42 are in transmission connection through the transmission member 43. That is, the hollow shaft 31 rotates to rotate the first wheel-shaped member 41, which in turn rotates the transmission member 43, so that the second wheel-shaped member 42 rotates, which in turn rotates the second valve stem 32. The transmission member 43 can make the hollow shaft 31 and the second valve stem 32 rotate in the same direction so as to adapt to the use requirements of the user.

For example, as shown in fig. 1, the first wheel-shaped component and the second wheel-shaped component are gears, and the transmission member is a gear.

For another example, fig. 6 is a cross-sectional view of another transmission assembly provided by the embodiment of the present invention, as shown in fig. 6, the first wheel-shaped component and the second wheel-shaped component are gears, and the transmission member is a gear train. The gear train may be a toothed belt or a plurality of gears.

In one example, the first wheel-like component and the second wheel-like component are pulleys and the transmission member is a belt.

In yet another example, the first and second wheel-like components are sprockets and the transmission is a chain.

Fig. 7 is a partial sectional view of another gas valve according to an embodiment of the present invention, and as shown in fig. 7, a first control knob 22 is fixedly mounted on an upper end of a first valve stem 21, and a second control knob 33 is fixedly mounted on an upper end of a hollow shaft 31. The first control knob 22 and the second control knob 33 are arranged at intervals along the axial direction of the hollow shaft 31.

The first control knob 22 and the first valve rod 21 are coaxially fixed, the first control knob 22 rotates to directly drive the first valve rod 21 to rotate, so that transmission abrasion is reduced, and transmission efficiency is high. In addition, the above-mentioned "the first control knob 22 and the second control knob 33 are spaced apart from each other along the axial direction of the hollow shaft 31" means that the portion of the first control knob 22 for the user to rotate and the portion of the second control knob 33 for the user to rotate have different heights.

Illustratively, as shown in fig. 7, the upper end of the first valve rod 21 can pass through the upper end of the hollow shaft 311, the first control knob 22 is sleeved outside the upper end of the first valve rod 21, and the first control knob 22 is fixed relative to the first valve rod 21, so that the user can rotate the first rotating member 22.

Here, the phrase "the upper end of the first valve stem 21 is fixed relative to the first control knob 22" means that the upper end of the first valve stem 21 can be rotated with the rotation of the first control knob 22. For example, the first stem 21 is provided with a first socket having an upward opening inside the upper end thereof. The first control knob 22 is provided with a first bayonet rod which is fitted with the first socket so as to restrict relative rotation between the first control knob 22 and the upper end of the first valve stem 21.

In addition, the second control knob 33 can be sleeved outside the upper end of the hollow shaft 31, and the hollow shaft 31 and the second control knob 33 are fixed relatively. The phrase "the hollow shaft 31 is fixed relative to the second control knob 33" means that the hollow shaft 31 can rotate with the rotation of the second control knob 33. For example, as shown in fig. 1, the side wall of the hollow shaft 31 is provided with a second socket having an upward-facing opening. The second control knob 33 is provided with a second socket that mates with the first socket to limit relative rotation between the second control knob 33 and the hollow shaft 31.

In addition, the upper end of the second control knob 33 may be provided with a groove, the above-mentioned first control knob 22 is reversely buckled in the groove, and the first control knob 22 is higher than the groove wall of the groove, so that the user can rotate the first control knob 22. Specifically, a user turning the first control knob 22 can cause the first valve stem 21 to turn, and a user turning the outer wall of the groove can cause the second valve stem 32 to turn.

Fig. 1-7 show the base 1 with a first air outlet pipeline 11 and a second air outlet pipeline 12 as an example, when the number of the air outlet pipelines arranged on the base 1 exceeds two, the latter rotating part can be sleeved outside the former rotating part. Fig. 8 is a partial cross-sectional view of a connection portion of a first valve stem 21, a second valve stem 32 and a third valve stem 92 according to an embodiment of the present invention, and as shown in fig. 8, when the base 1 is provided with a third outlet line, the third control valve includes a sleeve shaft 91, a third valve stem 92 and a transmission assembly, and the third valve stem 92 and the second valve stem 32 may be respectively located at two ends of the first valve stem 21 in the same diameter direction or in different diameter directions of the first valve stem 21.

Wherein the transmission assembly comprises a first wheel-like part 41, a second wheel-like part 42 and a transmission piece 43. The first wheel-like member 41 is fixed coaxially with the sleeve shaft 91 (the first wheel-like member 41 and the sleeve shaft 91 are shown as one piece). The second wheel-shaped component 42 is sleeved on the third valve rod 92, and the sleeve shaft 91 rotates to drive the transmission member 43 to rotate, so that the second wheel-shaped component 42 rotates, and further the third valve rod 92 rotates. The third valve rod 92 is rotatably arranged inside the third gas outlet pipeline and is used for controlling the gas outlet amount of the third gas outlet pipeline.

It should be noted that the number of the outlet pipes provided on the base 1 may also be more than three, and the arrangement manner thereof can be found as above, and will not be described herein again. Of course, when the number of the air outlet pipelines exceeds three, the valve rods connected with different air outlet pipelines can be respectively positioned in the same or different radial directions of the first valve rod, and the air outlet pipelines are determined according to actual needs.

Fig. 9 is a sectional view at B-B of fig. 3, in which the total control valve is in a closed state, and fig. 10 is a sectional view of fig. 9, in which the total control valve 54 is in an open state, as shown in fig. 1, 9 and 10, the intake pipe 5 is provided with the total control valve 54, and the total control valve 54 is used for controlling the air output of the intake pipe 5. The master control valve 54 is capable of opening, closing and regulating the first outlet line 11 and the second outlet line 12 simultaneously by controlling the inlet ends of the first outlet line 11 and the second outlet line 12.

Wherein, the upper end of the first gas outlet pipeline 11 is sealed with the driving part of the first valve rod 21 and the base body 1, so as to avoid the gas from escaping from the upper end of the first gas outlet pipeline 11. The lower end of the first outlet duct 11 communicates with the inlet duct 5. The upper end of the second outlet duct 12 is sealed with the driving portion of the second valve stem 32 and the base 1 to prevent the escape of the gas from the upper end of the second outlet duct 12. The lower end of the second outlet duct 12 communicates with the inlet duct 5. The middle part of the first air outlet pipeline 11 is provided with a first air outlet, and the middle part of the second air outlet pipeline 12 is provided with a second air outlet. The lower end of the first valve rod 21 and the lower end of the second valve rod 32 can be used for blocking the first air outlet and the second air outlet respectively so as to adjust the air output of the first air outlet and the second air outlet.

Use first gas outlet pipeline 11 as an example, the drive division of air inlet pipeline 5 and first valve rod 21 is listed as in the both sides of first gas outlet pipeline 11 to make the one end of first gas outlet pipeline 11 be used for admitting air, one end is used for controlling first valve rod 21 and rotates, and the middle part of first gas outlet pipeline 11 is used for giving vent to anger, so that set up the lower extreme at the gas valve with the flow portion of gas, be convenient for simplify the flow path of gas in first gas outlet pipeline 11, do benefit to the efficiency of giving vent to anger that improves the gas.

In addition, the gas valve may further comprise a temperature sensor for measuring the temperature of the burner, said temperature sensor may be electrically connected to said general control valve 54, and when the temperature of said burner is less than a preset value, said general control valve 54 is closed to shut off said intake pipe 5. That is, when the burner is turned off, the temperature of the temperature sensor is less than the preset value, and the total control valve 54 receives a signal to close the intake pipe 5, so as to protect the air supply duct.

It should be noted that the air inlet pipe 5 in fig. 1 to 10 is sequentially communicated with the first air outlet pipe 11 and the second air outlet pipe 12. Illustratively, as shown in FIG. 2, the air intake conduit 5 includes a first portion 52 and a second portion 53. The first portion 52 is disposed between the inlet and the first outlet duct 11 and the second portion 53 is disposed between the first outlet duct 11 and the second outlet duct 12. From the inlet, the gas passes through the first portion 52, a portion of the gas enters the first inlet line 11, and another portion of the gas passes through the second portion 53 to the second outlet line 12.

Wherein, as shown in fig. 9 and 10, the first portion 52 is bent with respect to the first outlet pipe 11, the general control valve 54 can be disposed on the first portion 52, and the first valve rod 21 can control the opening of the general control valve 54. That is, the driving unit integrated in the first valve stem 21 may control the flow rates of the gas in the first gas outlet pipeline 11 and the second gas outlet pipeline 12, and may control the opening and closing of the master control valve 54.

Illustratively, fig. 11 is a schematic view of the first stem 21 shown in fig. 3, and fig. 12 is an exploded view of fig. 11, and as shown in fig. 11-14, the first stem 21 may include a valve core 83, a valve handle 84, a stem 81, and an abutting member 82. As shown in fig. 9 and 10, the spool 83 is rotatably disposed inside the first outlet pipe 11. The stem 81 is provided in the valve body 83 and is movable up and down in the valve body 83. The upper end of the valve stem 81 is coaxially fixed to a valve handle 84, and the valve handle 84 extends upward and out of the base body 1. The lower end of the valve rod 81 is connected to the abutting piece 82, the abutting piece 82 abuts against the master control valve 54, and the abutting piece 82 can open the master control valve 54 when the valve rod 81 moves downwards, so that the first part 52 of the air inlet pipeline 5 is communicated with the first air outlet pipeline 11.

Alternatively, the base 1 includes a mounting bracket 85 and a mounting plate 86, and the valve stem 84 is connected to the valve stem 81 through the mounting bracket 85 and the mounting plate 86. The mounting bracket 85 and the mounting plate 86 are arranged at intervals relatively, a connecting plate 87 and a first elastic piece are arranged between the mounting bracket 85 and the mounting plate 86, the valve handle 84 penetrates through the connecting plate 87 and the first elastic piece, and two ends of the first elastic piece are respectively abutted against the connecting plate 87 and the mounting plate 86. Wherein the first elastic member may be a conical spring so that the valve handle 84 is restored to an original position after being depressed.

It should be noted that the master control valve 54 is connected with the temperature sensor to form a flameout protection device, and when the air inlet pipe 5 is communicated with the first air outlet pipe 11 or the temperature sensor is burned, a certain electric potential is generated to act on the master control valve 54, so that the master control valve 54 maintains the open state shown in fig. 10, instead of keeping the valve handle 84 in the pressed state all the time.

As shown in fig. 9-12, the abutting piece 82 may include a connecting portion, a transition portion, an abutting portion, and a supporting portion. The connecting part is connected with the bottom end of the valve rod 81, and the abutting part is abutted against the master control valve 54; the connecting part and the butting part are arranged at intervals up and down, the transition part is positioned between the connecting part and the butting part, and the connecting part, the transition part and the butting part form a zigzag-shaped structure; the supporting part is located at the top of the transition part and used for being abutted against the side wall of the first air outlet pipeline 11, so that the force is applied to the connecting part of the abutting piece 82, the abutting part bears the force, and the supporting part is located between the two points and abutted against the side wall of the first air outlet pipeline 11, so that a lever structure is formed, the abutting piece 82 is enabled to be abutted against the master control valve 54, and the lever structure is simple, labor-saving and convenient to operate.

As shown in fig. 9 to 12, the valve core 83 is accommodated in the first outlet pipeline 11, the upper part of the valve core 83 is cylindrical, the lower part of the valve core 83 is conical, and the first outlet pipeline 11 is provided with a conical cavity part matched with the conical structure. Driven by the valve handle 84, the valve rod 81 moves up and down relative to the valve core 83, and the valve rod 81 drives the valve core 83 to rotate.

As shown in fig. 4 and 5, the valve core 83 is provided with at least one first air passing channel, and one end of the first air passing channel is communicated with the inner cavity of the valve core 83. When the outer wall of the valve core 83 faces the gas outlet of the first gas outlet pipeline 11, the gas outlet of the first gas outlet pipeline 11 is in a blocking state with the inner cavity of the valve core 83, and at the moment, gas cannot enter the gas outlet of the first gas outlet pipeline 11. When the valve handle 84 rotates to drive the valve rod 81 and the valve core 83 to rotate to the preset position, the first air passing channel is communicated with the air outlet of the first air outlet pipeline 11, so that the air outlet of the first air outlet pipeline 11 is communicated with the inner cavity of the valve core 83. Moreover, the area of the interface between the first air passing channel and the air outlet of the first air outlet pipeline 11 is controlled by controlling the rotation angle of the valve handle 84, so as to achieve the purpose of controlling the gas flow rate of the air outlet of the first air outlet pipeline 11.

Optionally, a mounting channel is arranged at the top of the inner cavity of the valve core 83, and a limiting groove extending along the axial direction of the valve rod 81 is arranged on the side wall of the mounting channel; the valve rod 81 is provided with a limiting arm accommodated in the limiting groove, the valve rod 81 penetrates through the installation channel and the inner cavity of the valve core 83 to be connected with the abutting part 82, the valve rod 81 can move up and down relative to the valve core 83, and the valve rod 81 can drive the valve core 83 to rotate relative to the inner cavity of the valve core 83.

As shown in fig. 4 and 5, the second valve stem 32 has substantially the same structure as the first valve stem 21. Since the first stem 21 in fig. 12 needs to be connected to the main valve, the abutting member 82 is added. The second valve stem 32 may not be connected to the main valve, and the abutting member 82 may not be provided.

Example two

Fig. 13 is a schematic view of another gas valve provided in the embodiment of the present invention, and as shown in fig. 13, another possible implementation manner in which the first valve stem 21 is integrated with the driving portion of the second valve stem 32 is as follows:

the first control valve includes a first wheel-like member 61, a transmission assembly, and a first valve stem 21. The first valve rod 21 is used for blocking a first air outlet of the first air outlet pipeline 11. The first wheel-shaped component 61 is in transmission connection with the first valve rod 21 through the transmission assembly, and a first inner gear ring 611 is arranged at the center of the first wheel-shaped component 61.

The second control valve includes a second wheel-like member 62, a transmission assembly, and a second valve stem 32. The second valve rod 32 is used for blocking a second air outlet of the second air outlet pipeline 12. The second wheel-shaped part 62 is in transmission connection with the second valve stem 32 through the transmission assembly, and a second inner gear ring 621 is arranged at the center of the second wheel-shaped part 62;

the basic body 1 is provided with a control tappet 10, which control tappet 10 is provided with an outer toothed ring 101. The control push rod 10 passes through the axle holes of the first wheel-shaped part 61 and the second wheel-shaped part 62 in sequence. The control push rod 10 is capable of reciprocating along the common axis of the first and second wheel-

like members

61, 62. So that the external gear ring 101 is engaged with the first internal gear ring 611, thereby driving the first valve rod 21 to move away from or close to the first gas outlet so as to control the gas flow rate of the first gas outlet pipeline 11; alternatively, the external gear ring 101 is engaged with the second internal gear ring 621 to drive the second valve rod 32 to move away from or close to the second air outlet, so as to control the air flow of the second air outlet pipeline 12.

That is, by providing the control push rod 10 provided with the outer ring gear 101, the first wheel-shaped member 61 provided with the first ring gear 611, the second wheel-shaped member 62 provided with the second ring gear 621, and by stacking the first wheel-shaped member 61 and the second wheel-shaped member 62 in the axial direction of the control push rod 10, and by passing the control push rod 10 through the shaft holes of the first wheel-shaped member 61 and the second wheel-shaped member 62 in order and being capable of reciprocating along the common axis of the first wheel-shaped member 61 and the second wheel-shaped member 62. So that the rotation of the control push rod 10 can control the gas flow rate of the first outlet pipe 11 when the external gear ring 101 is engaged with the first internal gear ring 611. Alternatively, when the external gear ring 101 is engaged with the second internal gear ring 621, the rotation control push rod 10 can control the gas flow rate of the second gas outlet pipeline 12. Thus, the driving parts of the first valve rod 21 and the second valve rod 32 are integrated and are respectively driven by the control push rod 10, so that different gas outlet pipelines can be regulated and controlled by a user, and the fire can be conveniently and flexibly controlled by the user.

The transmission assembly comprises a third wheel-shaped part 63 and a transmission piece 64, the third wheel-shaped part 63 is sleeved on the first valve rod 21 or the second valve rod 32, and the first wheel-shaped part 61 and the third wheel-shaped part 63, and the second wheel-shaped part 62 and the third wheel-shaped part 63 are in transmission connection through the transmission piece 64.

Illustratively, the first wheel member 61, the second wheel member 62, and the third wheel member 63 are gears, and the transmission member 64 is a gear.

For another example, the first wheel member 61, the second wheel member 62, and the third wheel member 63 are a gear train. The gear train may be a toothed belt or a plurality of gears.

In another example, the first wheel-like member 61, the second wheel-like member 62, and the third wheel-like member 63 are pulleys, and the transmission member 64 is a belt.

In another example, the first wheel-shaped component 61, the second wheel-shaped component 62 and the third wheel-shaped component 63 are sprockets, and the transmission member 64 is a chain.

It should be noted that, when the number of the air outlet pipes arranged on the base 1 exceeds 2, a plurality of wheel-shaped components sleeved on the control push rod 10 can be stacked along the axial direction of the control push rod 10.

In such an implementation "the first valve stem 21 is integrated with the driving portion of the second valve stem 32", fig. 14 is a simplified schematic view of a gas valve of another gas valve, the arrows in fig. 14 indicate the flow direction of the gas, as shown in fig. 14, the base body 1 may also be provided with an inlet line, the inlet end of which may be arranged between the first outlet line 11 and the second outlet line 12. The outlet line may also include a first portion 72, a second portion 73, and a third portion 74. The first portion 72 is provided with an inlet, the second portion 73 is arranged between the first portion 72 and the first outlet line 11, and the third portion 74 is arranged between the first portion 72 and the second outlet line 12.

Additionally, the enhanced overhead control valve of the first embodiment may be provided on the first portion 72. The base body 1 can be provided with a control chamber which can communicate with the first part 72, in which the control push rod 10 can slide downwards to open the overall control valve. For example, the lower end of the control rod 10 may also be provided with the above-mentioned structure of the propping member to prop open the general control valve when the control rod 10 moves down. Thus, the control push rod of the gas valve of the present embodiment can control the gas flow of the first gas outlet pipeline 11 and the second gas outlet pipeline 12, and can also control the on/off of the master control valve 54.

The terms "upper" and "lower" are used for describing relative positions of the structures in the drawings, and are only for the sake of clarity, but not for limiting the scope of the present invention, and the relative relationship changes or adjustments are also considered to be within the scope of the present invention without substantial technical changes.

It should be noted that: in the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In addition, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A gas valve, comprising:

the device comprises a base body, a first gas outlet pipeline and a second gas outlet pipeline, wherein the base body is provided with the first gas outlet pipeline and the second gas outlet pipeline at intervals;

a first control valve comprising a first control knob and a first valve stem; the first valve rod is used for plugging a first air outlet of the first air outlet pipeline; the first control knob is fixedly mounted on the first valve rod and used for driving the first valve rod to be far away from or close to the first gas outlet so as to control the gas flow of the first gas outlet pipeline;

the second control valve comprises a second control knob, a hollow shaft, a transmission assembly and a second valve rod; the second valve rod is used for plugging a second air outlet of the second air outlet pipeline, the hollow shaft is rotatably sleeved on the outer side of the first valve rod, the first end of the hollow shaft is fixedly provided with the second control knob, the second control knob and the first control knob are arranged at intervals along the axial direction of the hollow shaft, and the second end of the hollow shaft is in transmission connection with the second valve rod through the transmission assembly; the second control knob is used for driving the second valve rod to be far away from or close to the second air outlet through the hollow shaft and the transmission assembly so as to control the air flow of the second air outlet pipeline.

2. A gas valve as claimed in claim 1, wherein the drive assembly comprises a first wheel-like member mounted around the second end of the hollow shaft, a second wheel-like member mounted around the second valve stem, and a drive member by which the first and second wheel-like members are drivingly connected.

3. A gas valve as claimed in claim 2, wherein the first and second wheel-like components are gears and the transmission is a gear or gear train.

4. A gas valve as claimed in claim 2, wherein the first and second wheel-like members are pulleys and the transmission is a belt.

5. A gas valve as claimed in claim 2, wherein the first and second wheel-like members are sprockets and the drive member is a chain.

6. A gas valve, comprising:

a first control valve comprising a first wheel-like component, a transmission assembly, and a first valve stem; the first valve rod is used for plugging a first air outlet of the first air outlet pipeline; the first wheel-shaped component is in transmission connection with the first valve rod through the transmission assembly, and a first inner gear ring is arranged at the center of the first wheel-shaped component;

the second control valve comprises a second wheel-shaped component, a transmission assembly and a second valve rod; the second valve rod is used for plugging a second air outlet of the second air outlet pipeline; the second wheel-shaped part is in transmission connection with the second valve rod through the transmission assembly, and a second inner gear ring is arranged at the center of the second wheel-shaped part;

the control push rod is provided with an outer gear ring; the control push rod sequentially penetrates through the shaft holes of the first wheel-shaped part and the second wheel-shaped part and can reciprocate along the common axis of the first wheel-shaped part and the second wheel-shaped part, so that the outer gear ring is meshed with the first inner gear ring, the first valve rod is driven to be far away from or close to the first air outlet, the air flow of the first air outlet pipeline is controlled, or the outer gear ring is meshed with the second inner gear ring, the second valve rod is driven to be far away from or close to the second air outlet, and the air flow of the second air outlet pipeline is controlled.

7. A gas valve as claimed in claim 6, wherein the drive assembly comprises a second wheel-like member mounted around the first or second valve stem and a drive member by which the first and second wheel-like members are drivingly connected.

8. A gas valve as claimed in claim 7, wherein the first and second wheel-like components are gears and the transmission is a gear or gear train.

9. A gas valve as claimed in claim 7, wherein the first and second wheel-like components are pulleys and the transmission is a belt.

10. A gas valve as claimed in claim 7, wherein the first and second wheel-like parts are sprockets and the drive is a chain.

11. A gas valve as claimed in any one of claims 1 to 10, wherein the base body is further provided with an inlet line communicating with the first outlet line and the second outlet line, respectively, the inlet line being provided with a master control valve for controlling the gas flow of the inlet line.

12. A gas valve as claimed in claim 11, further comprising a temperature sensor for measuring the temperature of the burner, the temperature sensor being electrically connected to the master control valve, the master control valve closing in response to the temperature of the burner being less than a preset value.

13. A gas burner comprising a burner and a gas valve as claimed in any one of claims 1 to 12, said gas valve communicating with said burner through a gas supply line.