Plug valve

Abstract

The utility model provides a plug valve which belongs to the technical field of kitchen appliances, the plug valve comprises a valve body, a valve core, a valve rod and a delay mechanism, the valve body comprises a valve body, an outer ring air outlet assembly and an inner ring air outlet assembly, the valve core comprises a valve core cavity, an outer ring air outlet hole, an air inlet hole and an inner ring air outlet hole, and the outer ring air outlet hole, the air inlet hole and the inner ring air outlet hole are arranged from top to bottom. The outer ring air outlet assembly is provided with an outer ring channel and a stir-frying channel connected to the outer ring channel, and the inner ring air outlet assembly is provided with an inner ring channel; the air inlet hole is communicated with the outer ring air outlet hole to form a first air outlet channel communicated with the outer ring channel, and the air inlet hole is communicated with the inner ring air outlet hole to form a second air outlet channel communicated with the inner ring channel; the delay mechanism is inserted into the valve element cavity and can abut against the valve rod which is configured to be in a downward pressing state, and the delay mechanism can ascend and descend along with the valve rod so as to connect or disconnect the first air outlet channel and the outer ring channel. The gas outlet of the outer ring can be delayed, ignition deflagration is prevented, and the product safety performance and the user experience are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas stove technical field, especially a plug valve. BACKGROUND

[0002] The plug valve can control the opening and closing of the stove, the on-off of gas, the adjustment of fire size and the like, and is a necessary part in the gas stove. However, in the prior art, when the valve stem is pressed down to ignite, the gas enters the gas distribution cavity of the valve core, at this time, the inner ring and the outer ring of the stove both emit gas, which results in a large amount of gas, not only causing waste of gas, but also possibly causing deflagration. SUMMARY

[0003] The first technical problem to be solved by the utility model is to provide a plug valve which can realize delayed outer ring gas emission, prevent ignition deflagration, effectively improve product safety performance and user experience in view of the problems in the prior art.

[0004] The technical scheme adopted by the utility model to solve the above first technical problem is as follows: a plug valve, the plug valve comprises:

[0005] A valve body comprises a valve body, an outer ring gas emission assembly and an inner ring gas emission assembly connected to the outer wall of the valve body, the outer ring gas emission assembly is provided with an outer ring channel and a stir-frying channel connected to the outer ring channel, and the inner ring gas emission assembly is provided with an inner ring channel;

[0006] A valve core is connected to the valve body and comprises a valve core cavity, an outer ring gas emission hole, an air inlet hole and an inner ring gas emission hole which are arranged from top to bottom along the side wall of the valve core, the air inlet hole and the outer ring gas emission hole are communicated and form a first gas outlet channel, the air inlet hole and the inner ring gas emission hole are communicated and form a second gas outlet channel, the gas outlet end of the first gas outlet channel is communicated with the gas inlet end of the outer ring channel, and the gas outlet end of the second gas outlet channel is connected to the gas inlet end of the inner ring channel;

[0007] A valve stem is connected to the valve core and is used for driving the valve core to rotate;

[0008] A delay mechanism is inserted into the inside of the valve core cavity and can abut against the valve stem in a pressed-down state, wherein the delay mechanism can move up and down with the ignition process of the valve stem to communicate or disconnect the first gas outlet channel and the outer ring channel.

[0009] According to an embodiment of the utility model, wherein the inner wall of the valve core cavity is connected with a limiting ring for cooperating with the delay mechanism, and the delay mechanism comprises:

[0010] A push rod is inserted into the valve core cavity at the bottom and cooperates with the valve stem at the top;

[0011] A sealing gasket is connected to the bottom of the push rod and can be inserted into and abutted against the inner periphery of the limiting ring with the movement of the valve rod and the push rod to disconnect the first air outlet channel;

[0012] An elastic member is connected between the push rod and the limiting ring to push the push rod to reset.

[0013] According to an embodiment of the utility model, the outer ring air outlet assembly comprises:

[0014] A first straight pipe is connected to the outer ring air outlet of the valve body;

[0015] A first inclined pipe is connected to one side of the first straight pipe close to the air outlet end, and the air outlet end is inclined away from the valve body and the inner ring air outlet assembly;

[0016] An air outlet pipe is connected to the air outlet end of the first inclined pipe.

[0017] According to an embodiment of the utility model, the air outlet pipe comprises:

[0018] A first air outlet branch pipe is connected to the air outlet end of the first inclined pipe to form an outer ring channel;

[0019] A second air outlet branch pipe is located between the first air outlet branch pipe and the inner ring air outlet assembly, the air inlet end of the second air outlet branch pipe is connected to one side of the first air outlet branch pipe close to the first inclined pipe, the air outlet end of the second air outlet branch pipe is connected to one side of the first air outlet branch pipe close to the air outlet end, and the second air outlet branch pipe is used to form a stir-frying channel;

[0020] The central axis of the first air outlet branch pipe is parallel to the central axis of the air outlet end of the inner ring channel, and the central axis of the first air outlet branch pipe is perpendicular to the central axis of the first straight pipe and forms a plane A.

[0021] According to an embodiment of the utility model, the air outlet end of the first inclined pipe is connected with a first flange used to connect with the air outlet pipe, and the thickness of the first flange is greater than or equal to 5 mm.

[0022] According to an embodiment of the utility model, the included angle between the long side of the first flange and the plane A is a, and 20°≤a≤90°.

[0023] According to an embodiment of the utility model, the valve body further comprises a first electromagnetic valve used to control the on-off of the stir-frying channel, and the first electromagnetic valve comprises:

[0024] A valve seat is connected to one side of the first air outlet branch pipe away from the inner ring air outlet assembly;

[0025] A sealing head is inserted into the first gas outlet branch pipe and can open or close the air inlet end of the second gas outlet branch pipe.

[0026] According to an embodiment of the utility model, wherein, the air outlet pipe is equipped with second flange for connecting the first inclined pipe and third flange for installing the first electromagnetic valve, the second flange and the third flange are set apart, and the included angle between the long side of the third flange and the plane A is b, wherein, 20 ° ≤b ≤90 °.

[0027] According to an embodiment of the utility model, wherein, the side wall upper portion of valve body is connected with air inlet assembly, the air inlet assembly includes:

[0028] Cylinder, connect in the valve body, and the side away from the valve body is equipped with blind hole;

[0029] Trapezoidal body, be located below the cylinder, connect between the valve body and the cylinder, and be equipped with inclined hole, the air inlet end of the inclined hole is communicated the blind hole, and the air outlet end of the inclined hole is inclined from top to bottom to the direction of valve body and is communicated in the air inlet hole;

[0030] Wherein, the blind hole and the inclined hole are communicated and form the air inlet channel communicated the air inlet hole.

[0031] According to an embodiment of the utility model, wherein, the inner ring air outlet assembly includes second inclined pipe and second straight pipe, one end of the second inclined pipe is communicated in the inner ring air hole, and the other end of the second inclined pipe extends to the top of the valve body and is connected to the second straight pipe.

[0032] According to an embodiment of the utility model, wherein, the air inlet end of the second straight pipe is connected to the air outlet end of the second inclined pipe, and the second straight pipe, the second inclined pipe and the valve body are connected with connecting block.

[0033] According to an embodiment of the utility model, wherein, the plug valve further includes gear assembly, the gear assembly includes:

[0034] Gear, connect in the valve core close to the one end of valve rod;

[0035] Positioning assembly, connect in the top of valve body away from the side of outer ring air outlet assembly, with the gear, to realize the switching of gear.

[0036] According to an embodiment of the utility model, wherein, the plug valve further includes:

[0037] Valve cover, connect in the top of valve body;

[0038] A first micro switch connected to the valve cover for generating an ignition signal;

[0039] A second micro switch connected to the top outer periphery of the valve body near the side of the inner ring gas outlet assembly for sensing whether the valve core is in the stir-frying position, wherein the top outer periphery of the valve body is connected with a first mounting plate for mounting the first micro switch.

[0040] According to an embodiment of the utility model, wherein, the valve cover includes:

[0041] A top plate;

[0042] An arc plate, the top is fixedly connected to the top plate, and the bottom is connected to the area of the valve body between the positioning assembly and the first mounting plate, wherein the central angle of the arc plate is greater than °;

[0043] A second mounting plate, one end is connected to the area of the top plate corresponding to the opening of the arc plate, and the other end extends to the outside of the valve cover, and the second micro switch is connected to the outside of the second mounting plate;

[0044] Wherein, the second mounting plate and the arc plate have a gap for the positioning assembly to pass through, so that when the valve cover is connected to the valve body, the positioning assembly can be inserted and passed through the gap.

[0045] Compared with the prior art, the utility model has the following advantages or beneficial effects:

[0046] The utility model introduces the delay mechanism (4) in the inside of the valve core to control the on-off of the outer ring channel, realizes the delay of the outer ring gas outlet, prevents the ignition and explosion, and effectively improves the product safety performance and user experience.

[0047] By optimizing the structure and gas circuit of the outer ring gas outlet assembly, not only the distance between the outer ring channel and the valve rod can be shortened, but also the straight insertion type electromagnetic valve can realize the outer ring stir-frying function, and the interference problem existing in the outer ring stir-frying of the existing straight insertion platform can be solved.

[0048] By optimizing the structure of the valve cover, the installation and function realization of the sensing assembly or other electronic components are ensured without affecting the original structure and function, and the feasibility of building various functions such as timing function for the straight insertion platform is created. BRIEF DESCRIPTION OF DRAWINGS

[0049] The above and other features and advantages of the utility model will become more apparent by describing in detail some example embodiments thereof with reference to the attached drawings.

[0050] Figure 1 It is a first schematic view of a plug valve according to an example embodiment.

[0051] Figure 2 is a second schematic view of the stopcock valve according to an exemplary embodiment.

[0052] Figure 3 is a top view of the stopcock valve according to an exemplary embodiment.

[0053] Figure 4 is a front view of the stopcock valve according to an exemplary embodiment.

[0054] Figure 5 is Figure 4 is a cross-sectional view in the AA direction.

[0055] Figure 6 is Figure 4 is a cross-sectional view in the BB direction.

[0056] Figure 7 is a side view of the valve core body according to an exemplary embodiment.

[0057] Figure 8 is an isometric view of the valve core body according to an exemplary embodiment.

[0058] Figure 9 is a schematic view of the valve core according to an exemplary embodiment.

[0059] Figure 10 is a connection schematic view of the valve core and the delay mechanism according to an exemplary embodiment.

[0060] Figure 11 is a perspective view of the valve cover according to an exemplary embodiment.

[0061] Figure 12 is a bottom view of the valve cover according to an exemplary embodiment. BRIEF DESCRIPTION OF DRAWINGS

[0063] 1, valve body; 10, valve body body;

[0064] 11, outer ring air outlet assembly; 111, first straight pipe; 112, first inclined pipe; 1121, first flange; 1122, sealing groove; 113, air outlet pipe; 1131, first air outlet branch pipe; 1132, second air outlet branch pipe; 1133, second flange; 1134, third flange;

[0065] 12, inner ring air outlet assembly; 120, inner ring passage; 121, second inclined pipe; 122, second straight pipe; 123, connecting block;

[0066] 13, air inlet assembly; 131, cylinder; 1311, blind hole; 132, trapezoidal body; 1321, inclined hole;

[0067] 14, first electromagnetic valve; 141, valve seat;

[0068] 15, first mounting plate;

[0069] 2, valve core; 20, valve core cavity; 21, air inlet hole; 22, outer ring air outlet hole; 23, inner ring air outlet hole; 24, limiting ring;

[0070] 3, valve rod;

[0071] 4, delay mechanism; 41, push rod; 42, sealing gasket;

[0072] 5, gear assembly; 51, gear; 511, gear slot; 52, positioning assembly; 521, positioning sleeve; 522, spring; 523, steel ball;

[0073] 6, valve cover; 61, top plate; 62, arc plate; 63, second mounting plate; 64, gap; 65, first limiting block; 66, second limiting block. DETAILED DESCRIPTION

[0074] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the implementations set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example implementations to those skilled in the art. Like reference numerals refer to like elements throughout the figures, and description of the same will be omitted.

[0075] The terms "one", "an", "the", "said" are used to indicate the existence of one or more elements / components / etc.; the terms "including" and "having" are used to indicate an open-ended inclusion of one or more elements / components / etc. and that additional elements / components / etc. can be present.

[0076] The utility model embodiment provides a cock valve, such as Figures 1-12As shown, the cock valve comprises a valve body 1, a valve core 2, a valve rod 3 and a delay mechanism 4, the valve body 1 comprises a valve body body 10 and an outer ring gas outlet assembly 11 and an inner ring gas outlet assembly 12 connected to the outer wall of the valve body body 10, the valve core 2 is connected to the valve body body 10, the valve rod 3 is connected to the valve core 2 and is used for driving the valve core 2 to rotate, the outer ring gas outlet assembly 11 is provided with an outer ring channel and a frying channel connected to the outer ring channel, and the inner ring gas outlet assembly 12 is provided with an inner ring channel 120; the valve core 2 comprises a valve core cavity 20 and an outer ring gas outlet hole 22, an air inlet hole 21 and an inner ring gas outlet hole 23 which are arranged from top to bottom along the side wall of the valve core 2, the air inlet hole 21 and the outer ring gas outlet hole 22 are communicated and form a first gas outlet channel, and the gas outlet end of the first gas outlet channel is communicated with the gas inlet end of the outer ring channel; the air inlet hole 21 and the inner ring gas outlet hole 23 are communicated and form a second gas outlet channel, and the gas outlet end of the second gas outlet channel is connected with the gas inlet end of the inner ring channel 120; the delay mechanism 4 is inserted and elastically connected to the inside of the valve core cavity 20 and can abut against the valve rod 3 configured as a depressed state, wherein the delay mechanism 4 can move up and down with the ignition process of the valve rod 3 to communicate or disconnect the first gas outlet channel and the outer ring channel.

[0077] In one preferred embodiment of the utility model, as Figure 5 、 6The inner wall of the valve core cavity 20 shown in Figure 10 is connected with a limiting ring 24 used for cooperating with the delay mechanism 4, the delay mechanism 4 comprises a push rod 41, a sealing pad 42 and an elastic piece, the top of the push rod 41 cooperates with the valve rod 3, the bottom of the push rod 41 is inserted into the valve core cavity 20, the sealing pad 42 is connected to the bottom of the push rod 41 and can be inserted and abutted to the inner periphery of the limiting ring 24 to disconnect the first gas outlet channel according to the movement of the valve rod 3 and the push rod 41. The elastic piece is connected between the push rod 41 and the limiting ring 24 to push the push rod 41 to reset. In the application, the limiting ring 24 is connected to the area of the valve core cavity 20 between the outer ring gas outlet hole 22 and the gas inlet hole 21, the outer periphery of the sealing pad 42 is provided with a sealing surface for the limiting ring 24, when the valve rod 3 is inserted to ignite by being pressed downward, the valve rod 3 drives the push rod 41 and the sealing pad 42 to move downward and makes the sealing pad 42 inserted and abutted to the limiting ring 24, so that the gas entering the gas inlet hole 21 cannot enter the outer ring gas outlet hole 22 but only enters the inner ring gas outlet hole 23, thereby realizing the disconnection of the first gas outlet channel. When the knob is removed by external force, the valve rod 3 is reset under the action of the reset spring, the elastic piece drives the push rod 41 and the sealing pad 42 to move upward, so that the first gas outlet channel is connected, then the outer ring channel starts to ventilate, then the outer ring is ignited by the inner ring fire, thereby achieving the delay of the outer ring gas outlet and ignition, preventing the ignition from exploding and improving the safety of the product.

[0078] In a preferred embodiment of the present application, as shown in Figure 1, Figures 1-8 The outer ring gas outlet assembly 11 comprises a first straight pipe 111, a first inclined pipe 112 and a gas outlet pipe 113, the first straight pipe 111 is connected to the outer ring gas outlet of the valve body 10; the gas inlet end of the first inclined pipe 112 is connected to one side of the first straight pipe 111 close to the gas outlet end, the gas outlet end of the first inclined pipe 112 is inclined away from the valve body 10 and the inner ring gas outlet assembly 12; the gas outlet pipe 113 is connected to the gas outlet end of the first inclined pipe 112. In the application, the plug valve can be a straight insertion type electromagnetic valve, the outer ring channel and the stir-frying channel are arranged through the gas outlet pipe 113 thereon, so as to realize the function of the straight insertion type electromagnetic valve in the outer ring stir-frying; the distance between the outer ring channel and the valve rod 3 is shortened by arranging the first straight pipe 111 and the first inclined pipe 112, and the first electromagnetic valve 14 avoids the interference with the main electromagnetic valve. That is, the structure of the outer ring gas outlet assembly 11 and the gas path are optimized in the application, so that the outer ring of the straight insertion type electromagnetic valve can be provided with the stir-frying function, the interference problem existing in the outer ring stir-frying of the existing straight insertion platform is solved, the design of the diversification of the straight insertion carrying function platform is realized, and the purpose of reducing cost and increasing efficiency is achieved.

[0079] In a preferred embodiment of the present application, as shown in Figure 1, Figures 1-4The air outlet pipe 113 shown in 6-8 comprises a first air outlet branch pipe 1131 and a second air outlet branch pipe 1132, the second air outlet branch pipe 1132 is located between the first air outlet branch pipe 1131 and the inner ring air outlet assembly 12, the air inlet end of the first air outlet branch pipe 1131 is connected to the air outlet end of the first inclined pipe 112, for forming the outer ring channel; the air inlet end of the second air outlet branch pipe 1132 is connected to one side of the first air outlet branch pipe 1131 close to the first inclined pipe 112, and the air outlet end of the second air outlet branch pipe 1132 is connected to one side of the first air outlet branch pipe 1131 close to the air outlet end, for forming the stir-frying channel; wherein the central axis of the first air outlet branch pipe 1131 is parallel to the central axis of the air outlet end of the inner ring channel 120, and the central axis of the first air outlet branch pipe 1131 is perpendicular to the central axis of the first straight pipe 111 and forms a plane A. As can be seen from the figure, the outer ring channel and the inner ring channel 120 are parallel and located at the same height, since the central axis of the first air outlet branch pipe 1131 is perpendicular to the central axis of the first straight pipe 111, and the stir-frying channel, that is, the second air outlet branch pipe 1132, is arranged downwardly inclined from the first air outlet branch pipe 1131, so that the air inlet and outlet directions of the stir-frying channel are both inclined to the central axis of the first air outlet branch pipe 1131, the second air outlet branch pipe 1132 does not occupy too much horizontal position, so that the distance between the first air outlet branch pipe 1131 and the second air outlet branch pipe 1132 is reduced, so that the structure of the plug valve is more compact, and the use of the stove shell and even the kitchen space is enhanced.

[0080] In a preferred embodiment of the present application, as shown in Figures 1-4 The air outlet end of the first inclined pipe 112 shown in 6-8 is connected with a first flange 1121 for connecting with the air outlet pipe 113, and the thickness of the first flange 1121 is greater than or equal to 5 mm. In the present application, the thickness of the first flange 1121 is the distance between the flange surface of the first flange 1121 and the air outlet end of the first inclined pipe 112. By increasing the thickness of the first flange 1121, the thickness of the first flange 1121 is greater than or equal to 5 mm, when the first electromagnetic valve 14 is not needed to be arranged outside the ring, the first flange 1121 can be threaded and then connected with a straight aluminum pipe, to realize a general valve body structure without stir-frying, and increase the application range.

[0081] Preferably, the flange surface of the first flange 1121 is inwardly recessed to form a sealing groove 1122, and a sealing ring is arranged in the sealing groove 1122, so as to increase the sealing property of the first flange 1121 and the valve body 1, and improve the safety of the product.

[0082] In a preferred embodiment of the present application, as shown in Figures 2-9The angle between the long side of the first flange 1121 and the plane A is a, wherein 20°≤a≤90°. In the present application, the first flange 1121 is rhombic, and the long side thereof is designed to be inclined to the plane A. Through 20°≤a≤90°, preferably 25°~65°, the misalignment between the wok channel and the main electromagnetic valve and the first electromagnetic valve 14 is formed, so that the wire body is convenient to lead out and the manufacturing process is convenient to assemble.

[0083] In one preferred embodiment of the present application, as shown in Figures 1-4 The valve body 1 shown in FIGS. 6-8 further comprises a first electromagnetic valve 14 for controlling the on-off of the wok channel. The first electromagnetic valve 14 comprises a valve seat 141 and a sealing head. The valve seat 141 is connected to the first gas outlet branch pipe 1131 away from the side of the inner ring gas outlet assembly 12. The sealing head is inserted into the first gas outlet branch pipe 1131 and can open or close the gas inlet end of the second gas outlet branch pipe 1132. In the present application, the first electromagnetic valve 14 is installed on the outer side of the outer ring gas outlet assembly 11. The movement direction of the sealing head 142 and the central axis of the first gas outlet branch pipe 1131 are designed to be inclined. Not only can the interference between the first electromagnetic valve 14 and the main electromagnetic valve be avoided, but also the vertical thickness of the valve body 10 can be thinnest even if the first electromagnetic valve 14 is installed. The height of the overall valve body 1 will not be increased, and the interference with the panel will also be avoided. The internal space of the bottom shell of the stove is fully utilized.

[0084] In one preferred embodiment of the present application, as shown in Figures 1-4 The gas outlet pipe 113 shown in FIGS. 6-8 is provided with a second flange 1133 for connecting the first inclined pipe 112 and a third flange 1134 for installing the first electromagnetic valve 14. The second flange 1133 and the third flange 1134 are misaligned, and the angle between the long side of the third flange 1134 and the plane A is b, wherein 20°≤b≤90°. The second flange 1133 and the third flange 1134 are both rhombic and misaligned, which facilitates the installation of the first electromagnetic valve 14. Through the inclined design of the long side of the third flange 1134 and the central axis of the first gas outlet branch pipe 1131, especially when 20°≤b≤90°, not only can the interference between the first electromagnetic valve 14 and the main electromagnetic valve be avoided, but also the vertical thickness of the valve body 10 can be thinnest even if the first electromagnetic valve 14 is installed. The height of the overall valve body 1 will not be increased, and the interference with the panel will also be avoided. The internal space of the bottom shell of the stove is fully utilized.

[0085] In one preferred embodiment of the present application, as shown in Figures 1-8The upper part of the side wall of the valve body 10 is connected with an air inlet assembly 13, the air inlet assembly 13 comprises a cylinder 131 and a trapezoidal body 132, the cylinder 131 is connected to the valve body 10, the trapezoidal body 132 is located below the cylinder 131 and is connected between the valve body 10 and the cylinder 131, and a blind hole 1311 is formed in the side of the cylinder 131 away from the valve body 10; the trapezoidal body 132 is provided with an inclined hole 1321, the air inlet end of the inclined hole 1321 is communicated with the blind hole 1311, the air outlet end of the inclined hole 1321 is inclined from top to bottom to the direction of the valve body 10 and is communicated with the air inlet hole 21, and the blind hole 1311 and the inclined hole 1321 are communicated to form an air inlet channel communicated with the air inlet hole 21. In the application, the cylinder 131 and the trapezoidal body 132 are integrally formed, and it can also be understood that the lower wall of the cylinder 131 is thickened, the downward inclined inclined hole 1321 is formed in the trapezoidal body 132, the position of the air inlet hole 21 can be matched, and the height of the entire valve body 1 is not increased. Because the valve core 2 is provided with the delay mechanism 4, the outer ring air outlet hole 22, the air inlet hole 21 and the inner ring air outlet hole 23 are arranged from top to bottom, but the existing straight plug valve is provided with an air inlet at the upper end of the valve body 1, in order to make the air inlet on the valve body 10 correspond to and be connected with the air inlet hole 21, the position of the air inlet on the valve body 10 needs to be moved downward, thereby causing the height of the entire valve body 1 to be increased, the corresponding space of the stove shell also needs to be increased, thereby causing the production cost to be increased. The air inlet assembly 13 of the application not only solves the connection problem with the air inlet hole 21, but also avoids the problem that the height of the entire valve body 1 is increased, thereby achieving the technical effect of reducing cost and increasing efficiency.

[0086] In a preferred embodiment of the utility model, as shown in Figures 1-8 The inner ring air outlet assembly 12 comprises a second inclined pipe 121 and a second straight pipe 122, one end of the second inclined pipe 121 is communicated with the inner ring air outlet hole 23, and the other end of the second inclined pipe 121 extends to the top of the valve body 10 and is connected with the second straight pipe 122. The second straight pipe 122, the cylinder 131 and the first air outlet branch pipe 1131 are all located at the same height position of the valve body 10 and are distributed along the outer periphery of the valve body 10 at a design angle, and the design can effectively reduce the height of the entire valve body 1 and reduce the machining cost of the stove.

[0087] In a preferred embodiment of the utility model, as shown in Figures 1-8 The air inlet end of the second straight pipe 122 is connected with the air outlet end of the second inclined pipe 121, and a connecting block 123 is connected between the second straight pipe 122, the second inclined pipe 121 and the valve body 1. The connecting block 123 connects the valve body 10, the second inclined pipe 121 and the second straight pipe 122 into an integrated body, facilitates the injection molding of the valve body 1, improves the production efficiency and the stability of the product.

[0088] In a preferred embodiment of the utility model, as shown inFigures 1-8 The cock valve also comprises a gear assembly 5, which comprises a gear 51 connected to the valve core 2 near one end of the valve rod 3, and a positioning assembly 52 connected to the top of the valve body 10 away from the outer ring gas outlet assembly 11, used to cooperate with the gear 51 to realize the switching of gears. Through the cooperation of the gear 51 and the positioning assembly 52, the precise control of different gears of the valve body 1 is realized.

[0089] Specifically, the outer periphery of the gear 51 is provided with a plurality of gear grooves 511, and the positioning assembly 52 comprises a positioning sleeve 521, a spring 522 and a steel ball 523. The positioning sleeve 521 is connected to the top of the valve body 1 away from the outer ring gas outlet assembly 11. One end of the spring 522 is inserted into and connected to the inside of the positioning sleeve 521, and the other end extends to the side of the positioning sleeve 521 close to the gear 51. The steel ball 523 is connected to the other end of the spring 522, and the steel ball 523 can be inserted into or out of the gear groove 511 to realize the switching of different gears. Among them, the spring 522 drives and the steel ball 523 switches between different gear grooves 511, and the positioning sleeve 521 can guide the movement of the spring 522 to ensure the smooth switching of gears. In this embodiment, the first straight pipe 111 can correspond to the 0-degree position of the valve core 2, and the positioning sleeve 521 can correspond to the 180-degree position of the valve core 2, so as to avoid the interference of the positioning sleeve 521 to the outer ring gas outlet assembly 11, and maximize the diversity of functions.

[0090] In a preferred embodiment of the present application, as shown in Figures 1-5 The cock valve shown in 11 and 12 comprises a valve cover 6, a first micro switch and a second micro switch. The valve cover 6 is connected to the top of the valve body 10. The first micro switch is connected to the valve cover 6 and is used to generate an ignition signal. The second micro switch is connected to the top of the valve body 1 near the side of the outer periphery close to the inner ring gas outlet assembly 12, and is used to sense whether the valve core 2 is in the stir-frying position. Among them, the top of the valve body 1 is connected with a first mounting plate 15 for mounting the first micro switch. That is, the present application respectively provides mounting positions for the first micro switch and the second micro switch on the valve body 10 and the valve cover 6, which provides a basis for the diversity of the function platform in the future.

[0091] In a preferred embodiment of the present application, as shown in Figures 1-5The valve cover 6 shown in figures 11 and 12 comprises a top plate 61, an arc-shaped plate 62 and a second mounting plate 63, the top of the arc-shaped plate 62 is fixedly connected to the top plate 61, the bottom of the arc-shaped plate 62 is connected to the area of the valve body 1 between the positioning assembly 52 and the first mounting plate 15, one end of the second mounting plate 63 is connected to the area of the top plate 61 corresponding to the opening of the arc-shaped plate 62, the other end of the second mounting plate 63 extends to the outside of the valve cover 6, and a second micro switch is connected to the outside of the second mounting plate 63; wherein the central angle of the arc-shaped plate 62 is greater than 90°, and the second mounting plate 63 has a gap 64 for the positioning assembly 52 to pass through between the second mounting plate 63 and the arc-shaped plate 62, and when the valve cover 6 is connected to the valve body 1, the positioning assembly 52 can be inserted and pass through the gap 64. The mounting space is formed between the top plate 61 and the arc-shaped plate 62, which ensures the installation and function realization of other structures of the valve body 1, the outward extension of the second mounting plate 63 does not affect the original structure and function, and the space of the valve body 10 and the valve cover 6 is fully utilized, which creates feasibility for building various functions such as timing function for the later direct insertion platform.

[0092] Preferably, the valve cover 6 further comprises a first limiting block 65 and a second limiting block 66, the first limiting block 65 is used for limiting the 0-degree position of the valve rod 3, and the second limiting block 66 is located above the positioning assembly 32 and is connected between the top plate 41, the arc-shaped plate 42 and the second mounting plate 43, and is used for limiting the 180-degree position of the valve rod 3. The rotation range of the valve rod 4 is limited by the first limiting block 65 and the second limiting block 66, the gear position is accurately controlled, and the user experience is improved.

[0093] In the embodiments of the present application, the term "a plurality of" refers to two or more, unless otherwise explicitly limited. The terms "mounting", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, can also be detachable connection, or integral connection. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0094] In the description of the embodiments of the present application, it should be understood that the positions or position relationships indicated by the terms "upper", "lower" and the like are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or units referred to must have a specific direction, be constructed and operated in a specific position, and therefore cannot be understood as limiting the embodiments of the present application.

[0095] In the description of the present specification, the description of the terms "one embodiment", "one preferred embodiment" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0096] The above is only the preferred embodiment of the present application, and is not intended to limit the embodiments of the present application. For those skilled in the art, the embodiments of the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present application shall be included in the protection scope of the embodiments of the present application.

Claims

1. A stopcock valve characterised in that, The valve body (1) comprises a valve body (10) and an outer ring gas outlet assembly (11) and an inner ring gas outlet assembly (12) connected to the outer wall of the valve body (10), the outer ring gas outlet assembly (11) is provided with an outer ring channel and a stir-frying channel connected to the outer ring channel, and the inner ring gas outlet assembly (12) is provided with an inner ring channel (120). The valve core (2) is connected to the valve body (10) and comprises a valve core cavity (20), an outer ring gas outlet hole (22), an air inlet hole (21) and an inner ring gas outlet hole (23) which are arranged from top to bottom along the side wall of the valve core (2), the air inlet hole (21) and the outer ring gas outlet hole (22) are communicated and form a first gas outlet channel, the air inlet hole (21) and the inner ring gas outlet hole (23) are communicated and form a second gas outlet channel, the gas outlet end of the first gas outlet channel is communicated with the gas inlet end of the outer ring channel, and the gas outlet end of the second gas outlet channel is connected with the gas inlet end of the inner ring channel (120). The valve rod (3) is connected to the valve core (2) and is used for driving the valve core (2) to rotate. The delay mechanism (4) is inserted into the inside of the valve core cavity (20) and can abut against the valve rod (3) configured in a depressed state, wherein the delay mechanism (4) can move up and down with the ignition process of the valve rod (3) to communicate or disconnect the first gas outlet channel and the outer ring channel. The inner wall of the valve core cavity (20) is connected with a limiting ring (24) used for cooperating with the delay mechanism (4), and the delay mechanism (4) comprises:

2. The stopcock valve of claim 1, wherein A push rod (41) which is inserted into the valve core cavity (20) at the bottom and cooperates with the valve rod (3) at the top; A sealing gasket (42) which is connected to the bottom of the push rod (41) and can be inserted into and abut against the inner periphery of the limiting ring (24) with the movement of the valve rod (3) and the push rod (41) to disconnect the first gas outlet channel; A resilient member which is connected between the push rod (41) and the limiting ring (24) to push the push rod (41) to reset. The outer ring gas outlet assembly (11) comprises:

3. The stopcock valve of claim 1, wherein A first straight pipe (111) which is connected to the outer ring gas outlet of the valve body (10); A first inclined pipe (112) which is connected to one side of the first straight pipe (111) close to the gas outlet end and is inclined to the direction away from the valve body (10) and the inner ring gas outlet assembly (12) at the gas outlet end; An outlet pipe (113) which is connected to the gas outlet end of the first inclined pipe (112). The outlet pipe (113) comprises:

4. The stopcock valve of claim 3, wherein A first outlet branch pipe (1131) which is connected to the gas outlet end of the first inclined pipe (112) and is used for forming an outer ring channel; A second outlet branch pipe (1132) which is located between the first outlet branch pipe (1131) and the inner ring gas outlet assembly (12), the gas inlet end of the second outlet branch pipe (1132) is connected to one side of the first outlet branch pipe (1131) close to the first inclined pipe (112), and the gas outlet end of the second outlet branch pipe (1132) is connected to one side of the first outlet branch pipe (1131) close to the gas outlet end, and the second outlet branch pipe (1132) is used for forming a stir-frying channel. ​ The central axis of the first gas outlet branch pipe (1131) is parallel to the central axis of the gas outlet end of the inner ring passage (120), and the central axis of the first gas outlet branch pipe (1131) is perpendicular to the central axis of the first straight pipe (111) and forms a plane A.

5. The stopcock valve of claim 4, wherein, The gas outlet end of the first inclined pipe (112) is connected with a first flange (1121) for connecting with the gas outlet pipe (113), and the thickness of the first flange (1121) is greater than or equal to 5 mm.

6. The stopcock valve of claim 5, wherein The angle between the long side of the first flange (1121) and the plane A is a, wherein 20°≤a≤90°.

7. The stopcock valve of claim 4, wherein The valve body (1) further comprises a first electromagnetic valve (14) for controlling the opening and closing of the stir-frying passage, and the first electromagnetic valve (14) comprises: a valve seat (141) connected to one side of the first gas outlet branch pipe (1131) away from the inner ring gas outlet assembly (12); a sealing head inserted into the first gas outlet branch pipe (1131) and capable of opening or closing the gas inlet end of the second gas outlet branch pipe.

8. The stopcock valve of claim 7, wherein, The gas outlet pipe (113) is provided with a second flange (1133) for connecting the first inclined pipe (112) and a third flange (1134) for mounting the first electromagnetic valve (14), the second flange (1133) and the third flange (1134) are arranged in a staggered manner, and the angle between the long side of the third flange (1134) and the plane A is b, wherein 20°≤b≤90°.

9. The stopcock valve of claim 1, wherein The upper part of the side wall of the valve body (10) is connected with an air inlet assembly (13), and the air inlet assembly (13) comprises: a cylindrical body (131) connected to the valve body (10), and a blind hole (1311) is formed in the side of the cylindrical body (131) away from the valve body (10); a trapezoidal body (132) located below the cylindrical body (131) and connected between the valve body (10) and the cylindrical body (131), and an inclined hole (1321) is formed in the trapezoidal body (132), the gas inlet end of the inclined hole (1321) is communicated with the blind hole (1311), and the gas outlet end of the inclined hole (1321) is inclined from top to bottom to the direction of the valve body (10) and communicated with the air inlet hole (21); wherein the blind hole (1311) and the inclined hole (1321) are communicated and form an air inlet passage communicated with the air inlet hole (21).

10. The stopcock valve of claim 1, wherein The inner ring gas outlet assembly (12) comprises a second inclined pipe (121) and a second straight pipe (122), one end of the second inclined pipe (121) is communicated with the inner ring gas outlet hole (23), and the other end of the second inclined pipe (121) extends to the top of the valve body (10) and is connected with the second straight pipe (122).

11. The stopcock valve of claim 10, wherein, The gas inlet end of the second straight pipe (122) is connected to the gas outlet end of the second inclined pipe (121), and a connecting block (123) is connected between the second straight pipe (122), the second inclined pipe (121) and the valve body (1).

12. The stopcock valve of claim 1, wherein Further comprising a gear assembly (5), the gear assembly (5) comprises: a gear (51) connected to one end of the valve core (2) close to the valve rod (3); A positioning assembly (52) is connected to the top of the valve body (10) on the side away from the outer ring air outlet assembly (11), and cooperates with the gear selector (51) to realize gear switching.

13. The stopcock valve of claim 12, wherein, Further comprising: A valve cover (6) connected to the top of the valve body (10); A first micro switch connected to the valve cover (6) for generating an ignition signal; A second micro switch connected to the top of the valve body (1) on the side near the inner ring air outlet assembly (12) for sensing whether the valve core (2) is in the stir-frying position, wherein the top of the valve body (1) is connected with a first mounting plate (15) for mounting the first micro switch.

14. The stopcock valve of claim 13, wherein, The valve cover (6) comprises: A top plate (61); An arc-shaped plate (62) fixed at the top of the top plate (61) and connected at the bottom to the area of the valve body (1) between the positioning assembly (52) and the first mounting plate (15), wherein the central angle of the arc-shaped plate (62) is greater than 90°; A second mounting plate (63) connected at one end to the top plate (61) corresponding to the opening of the arc-shaped plate (62) and extending to the outside of the valve cover (6) at the other end, and the second micro switch is connected to the outside of the second mounting plate (63); Wherein, the second mounting plate (63) and the arc-shaped plate (62) have a gap (64) for the positioning assembly (52) to pass through, so that when the valve cover (6) is connected to the valve body (1), the positioning assembly (52) can be inserted and pass through the gap (64).

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