Regulating valves and gas appliances

Abstract

The application relates to the technical field of gas appliances, and provides a regulating valve and a gas appliance with the regulating valve. In the regulating valve, a regulating assembly is arranged in a fluid channel, the regulating assembly comprises a driving device and a moving piece, the moving piece is driven to move by the driving device, the opening area of the moving piece opening a first flow guide hole can be changed, the passing area of the fluid can be adjusted, the structure is simple, assembly is convenient, the reliability is high, the adjusting is convenient, and the adjusting effect is improved.

Description

Technical Field

[0001] The present application relates to the technical field of combustion appliances, and in particular to a regulating valve and a combustion appliance having the regulating valve. Background Art

[0002] The regulating valve in a gas appliance typically adjusts gas flow by driving a valve core. In related technologies, this is typically driven by a cam mechanism or a plug valve. Cam mechanisms require high precision machining and assembly, resulting in poor regulation. Plug valve mechanisms adjust gas flow by adjusting the angle, which can lead to loss of synchronism and reliability issues. Summary of the Invention

[0003] Based on this, it is necessary to provide a regulating valve and a burning appliance having the regulating valve to improve the regulating effect in order to solve the above technical problems.

[0004] According to a first aspect of the present application, an embodiment of the present application provides a regulating valve, comprising:

[0005] a valve seat, the valve seat being formed with a fluid inlet, a fluid outlet, and at least one fluid channel communicating with the fluid inlet and the fluid outlet, the valve seat being provided with a partition wall located within the fluid channel; the partition wall being used to separate the fluid channel into a first channel and a second channel spaced apart from each other, the first channel being communicated with the fluid inlet, and the second channel being communicated with the fluid outlet, the partition wall being provided with a first guide hole, the first channel being communicated with the second channel via the first guide hole; and

[0006] An adjustment component, the adjustment component comprising:

[0007] a moving member movably disposed in the fluid channel, wherein the moving member is capable of covering or opening the first guide hole when moving; and

[0008] A driving device is transmission-connected to the moving member, and the driving device is used to drive the moving member to move so as to adjust the opening area of ​​the first guide hole opened by the moving member.

[0009] In the regulating valve provided above, an adjusting component is provided in the fluid channel, and the adjusting component includes a driving device and a moving part. The driving device drives the moving part to move, and the open area of ​​the first guide hole opened by the moving part can be changed, thereby adjusting the size of the fluid passage area. The structure is simple, easy to assemble, highly reliable, and easy to adjust, thereby improving the regulation effect.

[0010] In one embodiment, the movable member is provided with a second guide hole that is communicable with the first guide hole, so that the passage area of ​​the fluid through the first guide hole is limited by the overlapping area of ​​the second guide hole and the first guide hole. In this way, by providing the second guide hole on the movable member, the maximum travel path of the movable member can be reduced. At the same time, the size of the passage area of ​​the fluid can be further controlled by changing the overlapping area between the first guide hole and the second guide hole.

[0011] In one embodiment, a stopper is provided on a side of the first channel or the second channel opposite the partition wall, and the moving member is limited between the stopper and the partition wall, so that the stopper and the partition wall define a movement path for the moving member. Thus, by providing the stopper, the moving member is guided, making the movement of the moving member more stable.

[0012] In one embodiment, the limiting member is provided with at least one third flow guide hole that can be opposite to the first flow guide hole, so that the passage area of ​​the fluid through the first flow guide hole is jointly defined by the opening area of ​​the first flow guide hole opened by the movable member and the overlapping area of ​​the third flow guide hole and the first flow guide hole. In this way, the size of the fluid passage area can be further controlled by changing the opening area of ​​the first flow guide hole opened by the movable member and the overlapping area of ​​the third flow guide hole and the first flow guide hole.

[0013] In one embodiment, the movable member is provided with a second flow guide hole that is opposite to the first flow guide hole, so that the passage area of ​​the fluid through the first flow guide hole is limited by the overlapping area of ​​the first flow guide hole, the second flow guide hole, and the third flow guide hole. In this way, by providing the second flow guide hole on the movable member, the maximum travel path of the movable member can be reduced. At the same time, the size of the passage area of ​​the fluid can be further controlled by changing the overlapping area between the first flow guide hole, the second flow guide hole, and the third flow guide hole.

[0014] In one embodiment, when the limiting member is located in the first channel, the side wall of the first channel opposite to the partition wall is elastically connected to the limiting member by means of an elastic member; when the limiting member is located in the second channel, the side wall of the second channel opposite to the partition wall is elastically connected to the limiting member by means of an elastic member;

[0015] The limiting member, with the help of the elastic force of the elastic member, limits the movement of the movable member on the partition wall. Thus, by providing the elastic member, the limiting member can apply pressure to the movable member, so that the movable member and the limiting member, as well as the movable member and the partition wall, are in close contact, thereby improving the sealing effect.

[0016] In one embodiment, the driving device includes a driving motor and a driving rod connected to the moving member;

[0017] The driving rod responds to the output power of the driving motor and drives the moving member to reciprocate along a first direction.

[0018] In one embodiment, the drive motor is a stepper motor, and the drive rod is a lead screw. Because a stepper motor is an electric motor that converts electrical pulse signals into corresponding angular or linear displacements, and the lead screw converts rotary motion into linear motion, the adjustment accuracy of the regulating valve is improved.

[0019] In one embodiment, a guide channel is further provided in the valve seat, the guide channel has at least one bend, and the first channel is connected to the fluid inlet via the guide channel; and / or,

[0020] The valve seat is formed with two fluid channels, and the two first channels are connected to the fluid inlet via the same guide channel. Thus, by providing the guide channel, the fluid can enter the first channel more smoothly, and the guide channel can divide the fluid into the two fluid channels to alleviate the situation of unstable fluid pressure.

[0021] According to a second aspect of the present application, an embodiment of the present application provides a burning appliance comprising the aforementioned regulating valve. Thus, by disposing the regulating valve in the burning appliance to adjust the flow of gas, the firepower of the burning appliance can be regulated.

[0022] Additional aspects and advantages of the embodiments of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through practice of the embodiments of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of a regulating valve in one embodiment of the present application;

[0024] Figure 2 This is a schematic cross-sectional view of a partial structure of a regulating valve from a top view in one embodiment of the present application;

[0025] Figure 3 This is a schematic cross-sectional view of a partial structure of a regulating valve from another three-dimensional perspective in one embodiment of the present application;

[0026] Figure 4 In the embodiment of this application Figure 3 A magnified schematic diagram of the local structure at G;

[0027] Figure 5This is a schematic cross-sectional structural diagram of a partial structure of a regulating valve from another front view perspective in one implementation of an embodiment of the present application;

[0028] Figure 6 This is a schematic diagram of a partial three-dimensional structure of a regulating valve in one embodiment of the present application;

[0029] Figure 7 This is a schematic diagram of the three-dimensional structure of the regulating valve from a bottom-up perspective in one embodiment of the present application;

[0030] Figure 8 This is a schematic diagram of a partial structure of a regulating valve in an embodiment of the present application from a bottom-up perspective;

[0031] Figure 9 This is a schematic cross-sectional structural diagram of a partial structure of a regulating valve from another three-dimensional perspective in one implementation of an embodiment of the present application;

[0032] Figure 10 This is a schematic cross-sectional view of a partial structure of a regulating valve from a frontal perspective in an embodiment of the present application;

[0033] Figure 11 This is a schematic cross-sectional view of a partial structure of a regulating valve from a side perspective in one embodiment of the present application;

[0034] Figure 12 This is a schematic diagram of a partial cross-sectional structure of a regulating valve in an embodiment of the present application when viewed from above;

[0035] Figure 13 This is a schematic diagram of how the regulating valve is used in one embodiment of the present application;

[0036] Figure 14 This is a schematic diagram of how the regulating valve is used in another embodiment of the present application;

[0037] Figure 15 This is a schematic diagram of how the regulating valve is used in another embodiment of the present application;

[0038] Figure 16 This is a schematic diagram of how to use a regulating valve in another embodiment of the present application.

[0039] Brief description of component symbols:

[0040] Valve seat 100, fluid inlet 110, fluid outlet 120, first channel 131, second channel 132, partition wall 140, first flow guide hole 141, flow guide channel 150, output port 160, air outlet pipe 161, cover plate 170, first pressure plate 180, first sealing member 181, second pressure plate 190, second sealing member 191;

[0041] Adjustment assembly 200, moving member 210, second guide hole 211, driving device 220, driving motor 221, driving rod 222, third sealing member 223, nut 224, retaining ring 225;

[0042] The limiting member 300 and the third guide hole 310;

[0043] elastic member 400;

[0044] Pressure regulating valve 500;

[0045] Protective cover 600;

[0046] Solenoid valve 700;

[0047] The first direction x. DETAILED DESCRIPTION

[0048] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the embodiments of the present application are described in detail below with reference to the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the embodiments of the present application. It should be understood that the specific embodiments described herein are merely used to explain the present application and are not intended to limit the present application. The embodiments of the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention. Therefore, the embodiments of the present application are not limited by the specific embodiments disclosed below.

[0049] It is understood that the terms "first", "second", "third", etc. used in this application can be used in this article to describe various professional terms, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. However, unless otherwise specified, these professional terms are not limited by these terms. These terms are only used to distinguish one professional term from another professional term. For example, without departing from the scope of this application, the first channel and the second channel are different channels, and the first guide hole, the second guide hole and the third guide hole are different guide holes. In the description of the embodiments of the present application, the meaning of "multiple" and "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0050] In the description of the embodiments of the present application, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," and the like should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; they may refer to internal communication between two elements or an interaction relationship between two elements, unless otherwise expressly limited. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present application based on specific circumstances.

[0051] In the description of the embodiments of the present application, unless otherwise expressly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the horizontal height of the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the horizontal height of the second feature.

[0052] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element.

[0053] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by those skilled in the art to which this application belongs. The terms used in this application and in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0054] Gas appliances typically use manual mechanical valves or proportional valves to control the power level. Both methods require a knob to adjust the power level. For appliances using manual mechanical valves, users rely on their sense of touch to control the power level. For appliances using proportional valves, the poor adjustment accuracy within a small power range makes precise control difficult. Furthermore, the high cost of proportional valves leads to higher appliance prices. To facilitate user adjustment, some related technologies use touch-sensitive control for power level control. This method typically uses proportional valves, resulting in higher prices. In other related technologies, as mentioned in the background, the regulating valve within the gas appliance typically adjusts the gas flow rate by driving a valve core. This is typically driven by a cam mechanism or a plug valve. Cam mechanisms require high component machining precision and assembly, resulting in poor adjustment performance. Plug valve mechanisms adjust the gas flow rate by adjusting the angle, which is prone to step loss and requires improved reliability.

[0055] Figure 1 A schematic diagram of the three-dimensional structure of a regulating valve in one embodiment of the present application is shown; Figure 2 A schematic cross-sectional view of a partial structure of a regulating valve in a top view in one embodiment of the present application is shown; Figure 3 A schematic cross-sectional structure diagram of a partial structure of a regulating valve from another three-dimensional perspective in an implementation manner of an embodiment of the present application is shown; for ease of explanation, only the part related to the embodiment of the present application is shown.

[0056] For ease of understanding, Figure 1 As shown, the top of the drawing is defined as the top, the bottom of the drawing is defined as the bottom, the left side of the drawing is defined as the left side, the right side of the drawing is defined as the right side, the outward direction of the drawing is defined as the front side, and the inward direction of the drawing is defined as the back side. The subsequent figures use Figure 1 The direction of the stove defined in is used as a reference. It is understood that the above definition is for illustration only and cannot be understood as a limitation of this application. It is understood that the above definition is for illustration only and cannot be understood as a limitation of this application.

[0057] Please refer to Figures 1 to 3 An embodiment of the present application provides a regulating valve, which includes a valve seat 100 and a regulating assembly 200.

[0058] The valve seat 100 is formed with a fluid inlet 110, a fluid outlet 120, and a fluid passage connecting the fluid inlet 110 and the fluid outlet 120. The valve seat 100 is provided with a partition wall 140 in the fluid passage, which divides the fluid passage into a first passage 131 and a second passage 132 spaced apart from each other. The first passage 131 is connected to the fluid inlet 110, and the second passage 132 is connected to the fluid outlet 120. The partition wall 140 is provided with a first flow guide hole 141, and the first passage 131 is connected to the second passage 132 through the first flow guide hole 141. For example, referring to Figure 2 and in combination with Figure 3 , the valve seat 100 has a symmetrical structure along the first direction x (i.e., the left-right direction). The valve seat 100 is symmetrically provided with two fluid inlets 110 along the first direction x. The left side of the valve seat 100 is provided with two fluid outlets 120 corresponding to the two fluid inlets 110. The valve seat 100 is provided with two fluid passages, each of which connects a corresponding fluid inlet 110 and a fluid outlet 120. Each fluid passage is provided with a partition wall 140 to form a first passage 131 and a second passage 132 spaced apart from each other. That is, Figure 2 and Figure 3 an example of a symmetrical structure with two fluid passages is shown. Of course, the two fluid passages can also share one fluid inlet 110, one fluid outlet 120, or multiple fluid inlets 110 and multiple fluid outlets 120. For example, Figure 2 an example of an output port 160 disposed on the upper part of the valve seat 100 is shown. The output port 160 is connected to the second passage 132, and fluid can flow out through the output port 160. As shown in Figure 1 , when the output port 160 is not needed, a detachable cover plate 170 can be used to cover the input port. In other embodiments, the output port 160 can be used in conjunction with the fluid outlet 120. As an embodiment, a gas outlet pipe 161 or other connecting component can be provided on the output port 160. For example, the gas outlet pipe 161 can also be bent to serve as a joint for connecting other components. Thus, the number and connection form of the fluid inlets 110, the fluid outlets 120, and the fluid passages can be selected and arranged according to the actual use scenario, and the embodiments of the present application do not make specific limitations thereon. It can be understood that regardless of the design of the fluid inlets 110, the fluid outlets 120, and the fluid passages, the partition wall 140 will be provided in the fluid passage to form the first passage 131 and the second passage 132 spaced apart from each other.

[0059] The adjustment assembly 200 includes a moving member 210 movably arranged in the fluid channel and a driving device 220 that is transmission-connected to the moving member 210. When the moving member 210 moves, it can cover or open the first guide hole 141. The driving device 220 is used to drive the moving member 210 to move, so as to adjust the open area of ​​the first guide hole 141 opened by the moving member 210. Thus, the passage area of ​​the fluid that can pass through the first guide hole 141 can be limited by the size of the open area. It should be noted that, in some embodiments, the passage area of ​​the fluid that can pass through the first guide hole 141 is limited by covering or opening the first guide hole 141 by the outer contour of the moving member 210. The outer contour of the moving member 210 refers to the shape of the moving member 210 on the side facing the partition wall 140. In some embodiments, in order to achieve a good sealing effect and smooth movement, the moving part 210 and the partition wall 140 are in contact with each other, and the contact surfaces of both the moving part 210 and the partition wall 140 are set to smooth contact surfaces to reduce the friction resistance between the contact surfaces and also achieve a sealing effect.

[0060] It is understood that during the movement of the moving member 210, the open area refers to the portion of the first guide hole 141 that is not covered by the moving member 210, and the portion of the first guide hole 141 that is not covered is the open portion, and the open portion is the portion through which the fluid can pass. In other words, the passage area of ​​the fluid flowing through the first guide hole 141 can be adjusted by the moving member 210. When the open area becomes larger, the passage area of ​​the fluid will become larger, and when the open area becomes smaller, the passage area of ​​the fluid will become smaller. For example, referring to Figure 3 In the figure, the black arrow shows the flow direction of the fluid flowing from the first channel 131 to the second channel 132 and out of the fluid outlet 120. Through the reciprocating motion of the moving part 210 in the first direction x, the first guide hole 141 will experience the situations of complete covering, incomplete covering, no covering at all, incomplete covering, complete covering... Accordingly, the open area will change from nothing to something, and then from something to nothing. In the process from nothing to something, the open area will start to increase from nothing, and in the process from something to nothing, the open area will decrease to nothing, and the passage area of ​​the fluid will change with the open area. In this way, the passage area of ​​the fluid is adjusted by using the adjustment component 200. In addition, since the adjustment component 200 has a simple structure, is easy to assemble, has high reliability, and is easy to adjust, the adjustment effect can be improved.

[0061] The specific structure of the regulating valve provided in the embodiment of the present application is described in detail below.

[0062] Figure 4 In the embodiment of this application, Figure 3 A magnified schematic diagram of the local structure at G; Figure 5A schematic cross-sectional structure diagram of a partial structure of a regulating valve in another front view in an implementation of an embodiment of the present application is shown; for ease of explanation, only the part related to the embodiment of the present application is shown.

[0063] In order to further obtain a more precise adjustment method, in some embodiments, please refer to Figure 4 , the moving member 210 is provided with the second flow guide hole 211 that can be communicated with the first flow guide hole 141, so that the passage area of ​​fluid by the first flow guide hole 141 is limited by the overlapping area of ​​the second flow guide hole 211 and the first flow guide hole 141. It is understandable that, at this moment, what utilized is the external diameter of the second flow guide hole 211 of the moving member 210 to regulate and limit the passage area of ​​fluid. Like this, can limit the passage area of ​​fluid by the overlapping area of ​​the second flow guide hole 211 and the first flow guide hole 141, further to realizing the control of the size of the fluid passage area. Simultaneously, owing to being set with the second flow guide hole 211 on the moving member 210, can reduce the maximum stroke path of the moving member 210, promptly also reduced the volume of the moving member 210, made overall structure more compact. It should be noted that the overlapping area mentioned herein is also the open area of ​​the first flow guide hole 141 that the moving member 210 that mentions in aforementioned some embodiments opens. In other words, the passage area of ​​fluid follows the overlapping area and changes. When the overlap area between the second guide hole 211 and the first guide hole 141 is larger, the fluid passage area is also larger. When the overlap area between the second guide hole 211 and the first guide hole 141 is smaller, the fluid passage area is also smaller. When there is no overlap area between the second guide hole 211 and the first guide hole 141, the fluid passage area is 0. For example, Figure 4 The example shows the situation where the second guide hole 211 is located opposite to the first guide hole 141, and the aperture of the second guide hole 211 is larger than the aperture of the first guide hole 141. In this case, the maximum flow area of ​​the fluid can be obtained. For another example, Figure 5 The example shows a situation where the first guide hole 141 and the second guide hole 211 do not have an overlapping area. In this case, the fluid passing area is zero.

[0064] In order to guide the moving member 210 and make the movement of the moving member 210 more stable, in some embodiments, please continue to refer to Figure 3 A limiting member 300 is provided in the first channel 131 or the second channel 132, and the moving member 210 is limited between the limiting member 300 and the partition wall 140, so that the limiting member 300 and the partition wall 140 define a movement path of the moving member 210. In other words, the moving member 210 moves between the limiting member 300 and the partition wall 140. For example, Figure 3The exemplary embodiment shows a case where a stopper 300 is provided in the first channel 131. As an embodiment, in order to achieve a good sealing effect and smooth movement, the moving member 210 and the stopper 300 are in contact with each other, and the contact surfaces of the moving member 210 and the stopper 300 are both configured as smooth contact surfaces to reduce frictional resistance between the contact surfaces and also achieve a sealing effect.

[0065] In other embodiments, please refer to Figure 4 , the limiting member 300 is provided with at least one third flow guide hole 310 that can be opposite to the first flow guide hole 141, so that the passage area of ​​the fluid through the first flow guide hole 141 is jointly limited by the open area of ​​the first flow guide hole 141 opened by the moving member 210, and the overlapping area of ​​the third flow guide hole 310 and the first flow guide hole 141. In other words, due to the addition of the third flow guide hole 310, the passage area of ​​the fluid through the first flow guide hole 141 can be coordinated with the moving member 210 to adjust the passage area of ​​the fluid through the first flow guide hole 141, and can be adjusted more finely. It should be noted that, at this time, the passage area of ​​the fluid is jointly limited by the overlapping area of ​​the third flow guide hole 310 and the first flow guide hole 141, and the open area of ​​the first flow guide hole 141 opened by the moving member 210 mentioned in some of the aforementioned embodiments. On the basis of having an open area, the passage area of ​​the fluid is also limited by the overlapping area of ​​the third flow guide hole 310 and the first flow guide hole 141. It is understood that, based on the relative arrangement of the third guide hole 310 and the first guide hole 141, the overlapping area between the third guide hole 310 and the first guide hole 141 is determined by the open area of ​​the third guide hole 310 opened by the moving member 210. In other words, the open area of ​​the first guide hole 141 opened by the moving member 210 and the open area of ​​the third guide hole 310 opened by the moving member 210 both change due to the movement of the moving member 210. Only when there is an overlapping area between these two open areas is there an area for fluid to pass through.

[0066] Figure 4 The example in the figure illustrates a case where two third flow guide holes 310 are provided on the stopper 300, and the two third flow guide holes 310 have different apertures. Of course, in another embodiment, the two third flow guide holes 310 can also have the same aperture. In some embodiments, the third flow guide holes 310 can be configured as one or more of a circular, diamond, or crescent shape. The shape, aperture size, and number of the third flow guide holes 310 can be selected based on the actual use scenario to adjust the fluid flow area accordingly, and this embodiment of the application does not specifically limit this.

[0067] Specifically in some embodiments, the moving member 210 is provided with a second flow guide hole 211 that can be opposite to the first flow guide hole 141, so that the passage area of ​​the fluid through the first flow guide hole 141 is limited by the overlapping area of ​​the first flow guide hole 141, the second flow guide hole 211 and the third flow guide hole 310. In other words, the overlapping area of ​​the first flow guide hole 141 and the second flow guide hole 211, as well as the overlapping area of ​​the third flow guide hole 310 and the second flow guide hole 211, the overlapping area of ​​the two overlapping areas, defines the size of the passage area of ​​the fluid. In other words, only when there is an overlapping area between the first flow guide hole 141, the third flow guide hole 310 and the second flow guide hole 211, can the fluid pass through. When the overlapping area of ​​the three is larger, the passage area of ​​the fluid is also larger. When the overlapping area of ​​the three is smaller, the passage area of ​​the fluid is smaller. For example, Figure 4 The example shows the situation where the second guide holes 211 are opposite to the first guide holes 141 and the third guide holes 310, and the aperture of the second guide holes 211 is larger than that of the first guide holes 141, and all the third guide holes 310 are connected to the second guide holes 211. In this case, the maximum flow area of ​​the fluid can be obtained. For another example, Figure 5 The example illustrates a situation where the first guide hole 141 and the second guide hole 211 do not overlap, and the third guide hole 310 also does not overlap with the second guide hole 211. In this case, the overlapping area between the first guide hole 141, the third guide hole 310, and the second guide hole 211 is zero, that is, the area through which the fluid passes is zero. Therefore, by providing the first guide hole 141, the second guide hole 211, and the third guide hole 310, a more precise adjustment process is achieved.

[0068] Figure 6 A schematic diagram of a partial three-dimensional structure of a regulating valve in one embodiment of the present application is shown;

[0069] Figure 7 A schematic diagram of the three-dimensional structure of a regulating valve in an embodiment of the present application is shown from a bottom-up perspective; Figure 8 A partial structural schematic diagram of a regulating valve in an embodiment of the present application is shown from a bottom-up perspective; for ease of explanation, only the portion related to the embodiment of the present application is shown.

[0070] In order to obtain a better sealing effect in the regulating device, in some embodiments, please continue to refer to Figure 3 and Figure 4The side wall of the first channel 131 opposite to the partition wall 140 is elastically connected to the limiting member 300 by means of the elastic member 400, or the side wall of the second channel 132 opposite to the partition wall 140 is elastically connected to the limiting member 300 by means of the elastic member 400. The limiting member 300 limits the movement of the moving member 210 on the partition wall 140 by means of the elastic force of the elastic member 400. In this way, by providing the elastic member 400, the limiting member 300 can apply pressure to the moving member 210, so that the moving member 210 and the limiting member 300, as well as the moving member 210 and the partition wall 140, are in close contact, thereby improving the sealing effect. It can be understood that Figure 3 and Figure 4 The example shows the situation where the limiting member 300 and the elastic member 400 are arranged in the first channel 131. In some embodiments, in order to facilitate the installation of the limiting member 300 and the elastic member 400, please refer to Figure 1 and Figure 6 A first pressure plate 180 is provided on the side of the first channel 131 opposite to the partition wall 140. The first pressure plate 180 is detachably connected to the valve seat 100. The surface of the first pressure plate 180 facing the partition wall 140 constitutes the side wall of the first channel 131. The surface of the first pressure plate 180 facing the partition wall 140 is connected to one end of the elastic member 400, and the other end of the elastic member 400 is connected to the limit member 300. It should be noted that Figure 6 FIG. 1 shows a schematic diagram of a structure in which the first pressing plate 180 is disassembled. Figure 7 and Figure 8 As shown, a second pressure plate 190 is provided on the side of the second channel 132 opposite to the partition wall 140. The second pressure plate 190 is detachably connected to the valve seat 100. The side surface of the second pressure plate 190 facing the partition wall 140 constitutes the side wall of the second channel 132. When the movable member 210 is provided in the second channel 132, the side surface of the second pressure plate 190 facing the partition wall 140 can be connected to one end of the elastic member 400, and the other end of the elastic member 400 can be connected to the limit member 300. It should be noted that Figure 8 The diagram shows the structure of the second pressing plate 190 removed. In order to improve the airtightness between the first pressing plate 180 and the second pressing plate 190 and the valve seat 100, please continue to refer to Figures 3 and 4 A first sealing member 181 may be provided at the connection between the first pressure plate 180 and the valve seat 100, and a second sealing member 191 may be provided at the connection between the second pressure plate 190 and the valve seat 100. In order to facilitate the detachability of the first and second pressure plates 180 and 190 and prevent the first and second sealing members 181 and 191 from being pressed too tightly, in some embodiments, stop bosses may be provided on the valve seat 100 at locations corresponding to the locations where the first and second pressure plates 180 and 190 are installed.

[0071] Please continue to refer to Figure 3 and Figure 5 In some embodiments, the driving device 220 includes a driving motor 221 and a driving rod 222 connected to the moving member 210. The driving rod 222 responds to the output power of the driving motor 221 and drives the moving member 210 to reciprocate along the first direction x. As an embodiment, Figure 5 As shown, the valve seat 100 is provided with a through hole in the first direction x that is connected to the first channel 131, so that the driving rod 222 can pass through the through hole along the first direction x and enter the first channel 131. In order to improve the sealing effect, a third sealing member 223 is provided at the through hole. Specifically, in some embodiments, the driving motor 221 is a stepping motor, the driving rod 222 is a lead screw, a nut 224 is provided at the through hole for stopping, and a retaining ring 225 is provided on the driving rod 222 located outside the valve seat 100. Therefore, please refer to Figure 5 When the drive rod 222 rotates and the retaining ring 225 reaches the nut 224, the controller controls the drive rod 222 to stop rotating according to the feedback signal. At this time, the guide holes are not connected and the regulating valve is in the closed valve state. When the retaining ring 225 reaches the drive motor 221, the controller controls the drive rod 222 to stop rotating according to the feedback signal. At this time, the guide holes are in the connected state, the regulating valve is in the open valve state, and is in a state where the flow passage area is the largest. Therefore, the action of the drive motor 221 and the formation of the moving member 210 can be adjusted by arranging the retaining ring 225 at the preset position, and the preset position can be designed and determined according to the location of each guide hole. Of course, in other embodiments, the retaining ring 225 can also be replaced by a nut or other shape type structure, as long as it can be achieved that the moving member 210 moves within the preset stroke. In this way, since the stepping motor is an electric motor that can convert an electrical pulse signal into a corresponding angular displacement or linear displacement, the lead screw can convert the rotary motion into a linear motion, thereby improving the adjustment accuracy of the regulating valve. In other embodiments, the driving device 220 can also be a linear cylinder structure, and the driving motor 221 can be in the form of a servo motor. The selection can be made according to the actual situation, and the embodiment of the present application does not impose specific restrictions on this. In other embodiments, please refer to Figure 5 In order to prevent the driving rod 222 from being damaged by external forces, such as bending, thread damage, etc., a protective cover 600 for accommodating the driving device 220 is installed on the valve seat 100.

[0072] Figure 9 A schematic cross-sectional view of a partial structure of a regulating valve in another stereoscopic perspective in one embodiment of the present application is shown; Figure 10 A schematic cross-sectional view of a partial structure of a regulating valve in a front view in an embodiment of the present application is shown; Figure 11A schematic cross-sectional view of a partial structure of a regulating valve in a side view in one embodiment of the present application is shown; Figure 12 A partial cross-sectional structural schematic diagram of a regulating valve in an embodiment of the present application is shown from a bottom-up perspective; for ease of explanation, only the portion related to the embodiment of the present application is shown.

[0073] In some embodiments, please refer to Figure 9 and Figure 10 , and combined with Figure 2 The valve seat 100 is further provided with a guide channel 150. The guide channel 150 has at least one bend 151. The first channel 131 is connected to the fluid inlet 110 by means of the guide channel 150. Thus, the fluid enters the guide channel 150 from the fluid inlet 110. The fluid passing through the guide channel 150 can enter the first channel 131 more smoothly. Figure 11 and Figure 3 As shown, the fluid enters the second channel 132 from the first channel 131 and is finally discharged from the fluid outlet 120 or the output port 160. In other embodiments, the valve seat 100 is formed with two fluid channels. It can be understood that, accordingly, a partition wall 140 is provided in each fluid channel, and each partition wall 140 is used to separate the corresponding fluid channel into a first channel 131 and a second channel 132 spaced apart from each other. As an embodiment, when the valve seat 100 is formed with two fluid channels, the two first channels 131 are connected to the fluid inlet 110 by means of the same guide channel 150, and the fluid can be diverted to the two fluid channels through the guide channel 150 to alleviate the situation of unstable fluid pressure. For example, as Figure 2 As shown, combined with Figure 6 、 Figure 8 、 Figure 11 and Figure 12 As described in some of the aforementioned embodiments, two fluid channels are symmetrically disposed within the valve seat 100, which are divided into two channels by the flow guide channel 150. The two channels are connected to the two fluid channels in a one-to-one correspondence. To facilitate fluid regulation, the first channel 131 can be positioned above the second channel 132, and the flow guide channel 150 can be positioned below the first channel 131. Of course, in other embodiments, the second channel 132 can also be positioned above the first channel 131, and the flow guide channel 150 can be positioned above the first channel 131. This is not specifically limited in the present embodiment.

[0074] In some embodiments, in order to alleviate the situation of unstable fluid pressure, the regulating valve further includes a pressure-stabilizing valve 500 connected to the fluid inlet 110 .

[0075] Figure 13 A schematic diagram showing the use of a regulating valve in one embodiment of the present application is shown; Figure 14A schematic diagram showing the use of a regulating valve in another embodiment of the present application is shown; Figure 15 A schematic diagram showing a method of using a regulating valve in another embodiment of the present application is shown; Figure 16 A schematic diagram showing the use of a regulating valve in another embodiment of the present application is shown.

[0076] Based on the same inventive concept, the embodiments of the present application further provide a burning appliance, including the regulating valve in the above embodiments. In some embodiments, to meet the scenario of the burning appliance having an outer ring fire and a center fire, a regulating valve with two fluid channels can be used. For example, in some of the above embodiments, the valve seat 100 has a symmetrical structure along the first direction x (i.e., the left-right direction), as shown in FIG. Figure 13 As shown, the solenoid valve 700 can be provided at the fluid inlet 110 of the regulating valve for use. Figure 14 As shown, two or more regulating valves can be connected in series according to the use needs to form a multi-way regulating valve to meet the use needs of multiple burners in the burning appliance. Figure 15 As shown, a pressure regulating valve 500 can be set between the solenoid valve 700 and the regulating valve according to the use requirements to form a single-channel pressure regulating structure, which can reduce the impact of unstable gas pressure on the effect of high-precision regulation. In some other embodiments, such as Figure 16 As shown, according to the use needs, one or more regulating valves can be connected in series at the output end of the aforementioned single-channel voltage-stabilizing and regulating structure to form a multi-channel voltage-stabilizing and regulating structure to meet the use needs of multiple burners in the burning appliance.

[0077] Thus, after passing through the on-off solenoid valve 700 and the pressure-stabilizing valve 500, the external fuel gas source is distributed to various branch gas paths through the regulating valve. The gas output of each branch gas path within the regulating valve is controlled by the cooperation of the drive motor 221 and the drive rod 222, which causes the movable member 210, which serves as the regulating valve core, to move linearly, thereby controlling the gas output.

[0078] In summary, the regulating valve provided in the embodiments of the present application utilizes a stepper motor in conjunction with a lead screw, as well as the structure of the movable member 210, the position limiting member 300, and the guide holes in the partition wall 140 to achieve high-precision adjustment of the gas output volume of each gas path. While meeting the requirements of high-precision adjustment, the overall structure is compact, low-cost, and highly reliable. Furthermore, the valve body can be assembled according to actual product requirements to achieve control of multiple gas paths.

[0079] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art could make various modifications and improvements without departing from the spirit of the present application, all of which fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A regulating valve, characterized in that: include: A valve seat (100), the valve seat (100) being formed with a fluid inlet (110), a fluid outlet (120), and at least one fluid channel communicating with the fluid inlet (110) and the fluid outlet (120); the valve seat (100) being provided with a partition wall (140) located within the fluid channel; the partition wall (140) being used to separate the fluid channel into a first channel (131) and a second channel (132) spaced apart from each other; the first channel (131) being communicated with the fluid inlet (110), and the second channel (132) being communicated with the fluid outlet (120); a first guide hole (141) being provided on the partition wall (140); the first channel (131) being communicated with the second channel (132) via the first guide hole (141); An adjustment component (200), the adjustment component (200) comprising: a moving member (210) movably disposed in the fluid channel, wherein the moving member (210) is capable of covering or opening the first flow guide hole (141) when moving; and a driving device (220) connected to the moving member (210), the driving device (220) being used to drive the moving member (210) to move so as to adjust the opening area of ​​the first guide hole (141) opened by the moving member (210); and A limiting member (300) is provided in the first channel (131) or the second channel (132); the moving member (210) is limited between the limiting member (300) and the partition wall (140), so that the limiting member (300) and the partition wall (140) define a movement path of the moving member (210); The movable member (210) is provided with a second flow guide hole (211) capable of being opposite to the first flow guide hole (141), and the limiting member (300) is provided with at least one third flow guide hole (310) capable of being opposite to the first flow guide hole (141), so that the passage area of ​​the fluid passing through the first flow guide hole (141) is limited by the overlapping area of ​​the first flow guide hole (141), the second flow guide hole (211) and the third flow guide hole (310).

2. The regulating valve according to claim 1, characterized in that: When the limiting member (300) is located in the first channel (131), the side wall of the first channel (131) opposite to the partition wall (140) is elastically connected to the limiting member (300) by means of an elastic member (400); when the limiting member (300) is located in the second channel (132), the side wall of the second channel (132) opposite to the partition wall (140) is elastically connected to the limiting member (300) by means of an elastic member (400); The limiting member (300) limits the movement of the moving member (210) on the partition wall (140) by means of the elastic force of the elastic member (400).

3. The regulating valve according to claim 2, characterized in that: When the limiting member (300) is located in the first channel (131), a first pressure plate (180) is provided on a side of the first channel (131) opposite to the partition wall (140), and the first pressure plate (180) is detachably connected to the valve seat (100); a side surface of the first pressure plate (180) facing the partition wall 140 constitutes a side wall of the first channel (131) opposite to the partition wall (140); a side surface of the first pressure plate (180) facing the partition wall (140) is connected to one end of the elastic member (400), and the other end of the elastic member (400) is connected to the limiting member (300); When the limiting member (300) is located in the second channel (132), a second pressure plate (190) is provided on the side of the second channel (132) opposite to the partition wall (140), and the second pressure plate (190) is detachably connected to the valve seat (100). The side surface of the second pressure plate (190) facing the partition wall (140) constitutes the side wall of the second channel (132) opposite to the partition wall (140); the side surface of the second pressure plate (190) facing the partition wall (140) is connected to one end of the elastic member (400), and the other end of the elastic member (400) is connected to the limiting member (300).

4. The regulating valve according to claim 3, characterized in that: When the limiting member (300) is located in the first channel (131), a first sealing member (181) is provided at the connection between the first pressure plate (180) and the valve seat (100); When the limiting member (300) is located in the second channel (132), a second sealing member (191) is provided at the connection between the second pressure plate (190) and the valve seat (100).

5. The regulating valve according to claim 4, characterized in that: When the limiting member (300) is located in the first channel (131), a stop boss is provided on the valve seat (100) at a position corresponding to the installation position of the first pressure plate (180); When the limiting member (300) is located in the second channel (132), a stop boss is provided on the valve seat (100) at a position corresponding to the installation position of the second pressure plate (190).

6. The regulating valve according to any one of claims 1 to 5, characterized in that: The driving device (220) includes a driving motor (221) and a driving rod (222) connected to the moving member (210); The driving rod (222) responds to the output power of the driving motor (221) and drives the moving member (210) to reciprocate along the first direction (x).

7. The regulating valve according to claim 6, characterized in that: The driving motor (221) is a stepping motor, and the driving rod (222) is a lead screw.

8. The regulating valve according to claim 6, characterized in that: The valve seat (100) is provided with a through hole communicating with the first channel (131), and the driving rod (222) passes through the through hole and enters into the first channel (131).

9. The regulating valve according to any one of claims 1 to 5, characterized in that: A flow guide channel (150) is further provided in the valve seat (100), the flow guide channel (150) has at least one bend, and the first channel (131) is connected to the fluid inlet (110) via the flow guide channel (150); and / or, The valve seat (100) is formed with two fluid channels, and the two first channels (131) are connected to the fluid inlet (110) via the same guide channel (150).

10. A burning appliance, characterized in that: The regulating valve comprises the regulating valve according to any one of claims 1 to 9.

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