Stove plug valve and stove burner

Abstract

The utility model provides a kitchen range plug valve and a kitchen range burner. The kitchen range plug valve comprises a valve body, a valve rod, a closer and a gear adjusting module. The gear adjusting module comprises an adjusting rod, a fixing part and a limiting plate; the adjusting rod is connected with the valve rod, the limiting plate is arranged below the fixing part, a gap is formed between the lower end face of the fixing part and the upper end face of the limiting plate in the vertical direction, and the length of the gap in the vertical direction is larger than or equal to that of the adjusting rod in the vertical direction; when the adjusting rod rotates from the initial position to the ignition position, the adjusting rod can abut against the lower end face of the limiting plate. When the adjusting rod rotates from the ignition position to the initial position, the adjusting rod can stretch into the gap. Initial rotation limiting of the adjusting rod is achieved through the limiting plate, and the situation that a gas channel is opened but fire cannot be ignited due to insufficient downward pressure of a user is prevented. And the limiting plate limits the upward movement of the adjusting rod, so that the adjusting rod is continuously in a downward-pressing in-place state, and the operation of continuously pressing the valve rod in the process of rotating the valve rod is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cooking utensils, in particular to a cooking utensil cock valve and a cooking utensil burner. BACKGROUND

[0002] The current gas valve generally adopts a mechanical linkage type ignition structure, and its working principle is as follows: a user drives axial displacement of a valve rod by pressing a knob, the valve rod drives a push plate to trigger discharge of an ignition module; after the valve rod is pressed to a set stroke, the user rotates the knob to form mechanical interlocking between a valve rod pin and a valve body lock, at this time, a gas passage is opened, and ignition of gas is completed by a discharge spark.

[0003] However, the existing valve body ignition method has the problem that the user needs to press the knob to a certain force for ignition, and needs to keep pressing and rotating at the same time. When the user's pressing force is not enough, the child lock structure of the gas valve is opened, and the user can still rotate, but at this time the push plate cannot press the ignition module, and the user may not ignite, but because the rotating gas passage is opened, gas leakage may occur.

[0004] In addition, the user needs to continuously keep pressing and rotating during ignition, which is laborious, and often the user does not rotate in place and releases the hand quickly during ignition, resulting in ignition failure and re-ignition. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a cooking utensil cock valve and a cooking utensil burner.

[0006] The utility model solves the above technical problems through the following technical solutions:

[0007] A cooking utensil cock valve, the cooking utensil cock valve comprising a valve body, a valve rod, a lock and a gear position adjustment module;

[0008] The lock is arranged inside the valve body, the valve rod is connected with the lock, and the valve rod can drive the lock to rotate relative to the valve body about the axis of the valve rod;

[0009] The gear position adjustment module comprises an adjustment rod, a fixed part and a limiting plate;

[0010] The adjustment rod is connected to the peripheral side wall of the valve rod and located below the fixed part, the valve rod can drive the adjustment rod to move in the vertical direction and rotate relative to the valve body about the axis of the valve rod between a starting position and an ignition position;

[0011] The fixed part and the limiting plate are fixedly connected with the valve body, the limiting plate is arranged below the fixed part, one end of the limiting plate is arranged at the starting position along the circumference of the valve rod, and the other end of the limiting plate extends towards the ignition position; the lower end surface of the fixed part and the upper end surface of the limiting plate form a gap in the vertical direction, and the length of the gap in the vertical direction is greater than or equal to the length of the adjusting rod in the vertical direction.

[0012] When the adjusting rod rotates from the starting position to the ignition position, the adjusting rod can abut against the lower end surface of the limiting plate; when the adjusting rod rotates from the ignition position to the starting position, the adjusting rod can extend into the gap.

[0013] In the scheme, the limiting plate realizes initial rotation limiting of the adjusting rod on the one hand, and only when the valve rod drives the adjusting rod to press down below the limiting plate, the adjusting rod can further rotate, thereby preventing the situation that the gas passage is opened but cannot be ignited due to insufficient user pressing force, preventing gas leakage, and improving the safety of the stove plug valve. On the other hand, after the valve rod is pressed down in place and drives the adjusting rod to rotate, the adjusting rod can abut against the lower end surface of the limiting plate, the limiting plate can limit the upward movement of the adjusting rod, thereby limiting the upward movement of the entire valve rod, realizing mechanical locking of the position of the valve rod during ignition, and making the adjusting rod continuously in the pressed down in place state. The user can not need to continuously maintain the pressing operation of the valve rod during the rotation of the valve rod, which not only avoids the risk of gas leakage caused by hand loosening, but also replaces human pressing with mechanical structure, making the ignition operation labor-saving.

[0014] Preferably, the included angle between the two side faces of the limiting plate in the circumference of the valve rod is 65-70.

[0015] In the scheme, the length of the limiting plate is controlled within a certain range, thereby avoiding ignition failure caused by the failure of the adjusting rod to rotate to the position.

[0016] Preferably, the upper end of the valve body is provided with an opening through which the valve rod passes, the fixed part is connected with the upper end of the valve body and blocks the opening, and the adjusting rod and the limiting plate are arranged inside the valve body.

[0017] In the scheme, the fixed part is designed in a closed manner to block the opening of the valve body, forming a closed cavity structure. This structure can not only prevent external pollutants from entering the valve body and affecting mechanical transmission, but also place the cooperation mechanism of the adjusting rod and the limiting plate in a closed environment, thereby improving system reliability and safety.

[0018] Preferably, the gear adjusting module further comprises a connecting plate arranged on the side of the adjusting rod away from the valve rod in the radial direction of the valve rod, and both ends of the connecting plate in the vertical direction are connected with the fixed part and the limiting plate respectively.

[0019] In this scheme, the above arrangement can ensure the normal rotation of the adjusting rod and avoid interference between the adjusting rod and the connecting plate during rotation. The fixed part, the limiting plate and the connecting plate form a guiding channel (i.e. gap) for the movement of the adjusting rod, thereby realizing the movement guidance of the adjusting rod.

[0020] Preferably, the fixed part comprises a first cover plate and a gear plate, the gear plate is arranged on the lower end surface of the first cover plate, the limiting plate is arranged below the gear plate, the limiting plate and the gear plate are connected through the connecting plate, and the gap for the movement of the adjusting rod is formed between the lower end surface of the gear plate and the upper end surface of the limiting plate.

[0021] In this scheme, the first cover plate is used to block the opening on the valve body, and the gear plate is used to cooperate with the adjusting rod to control the fire gear of the burner.

[0022] Preferably, the stove cock valve further comprises a child lock module, the child lock module comprises a dial piece and an unlocking block, the dial piece is connected with the valve rod, and the unlocking block is connected with the valve body.

[0023] The dial piece can move along the vertical direction between the unlocking position and the locking position relative to the unlocking block; when the dial piece is in the unlocking position, the valve rod can rotate relative to the valve body about the axis of the valve rod; and when the dial piece is in the locking position, the limiting block can limit the rotation of the valve rod relative to the valve body about the axis of the valve rod.

[0024] In this scheme, the child lock module and the gear adjusting module form a double insurance mechanism. When the user presses insufficiently, the cooperation of the dial piece and the unlocking block can physically block the rotation of the valve rod, preventing the valve rod from rotating in the case of insufficient user pressing, thereby preventing gas leakage and improving the safety of the stove cock valve.

[0025] Preferably, the dial piece is sleeved on the valve rod, and the dial piece is provided with a limiting groove penetrating in the vertical direction.

[0026] The stove cock valve further comprises a second cover plate, the second cover plate is connected to the upper end of the valve body, the upper end of the second cover plate and the valve body form a movement space in the vertical direction, the upper end of the unlocking block is connected with the upper end of the second cover plate, and the unlocking block and the dial piece are arranged in the movement space.

[0027] When the dial is in the unlocking position, the lower end surface of the unlocking block abuts against the upper end surface of the dial; when the dial is in the locking position, the unlocking block extends into the limiting groove.

[0028] In the present scheme, the movement space provides space for the dial and the unlocking block to move in the vertical direction, ensuring that the dial and the unlocking block can be smoothly separated.

[0029] Preferably, when the dial is in the locking position, the distance between the lower end surface of the unlocking block and the upper end surface of the dial in the vertical direction is greater than or equal to the distance between the lower end surface of the limiting plate and the lower end surface of the fixed part.

[0030] In the present scheme, through the setting of the distance parameter, the linkage and cooperation of the child lock mechanism and the gear adjustment module are realized. The distance setting ensures that when the child lock is released, the adjustment rod must be located below the lower end surface of the limiting plate, thereby ensuring that the adjustment rod can rotate relative to the limiting plate to realize the ignition operation.

[0031] Preferably, the gas stove cock valve further comprises a pressing plate and a travel switch, the pressing plate is connected with the valve rod, the valve rod can drive the pressing plate to move in the vertical direction, and the dial is arranged above the pressing plate.

[0032] When the dial is in the unlocking position, the pressing plate can press the travel switch.

[0033] In the present scheme, the dial arranged above the pressing plate can increase the movement stroke of the dial, that is, increase the pressing stroke of the valve rod, so that the adjustment rod can be moved below the lower end surface of the limiting plate, ensuring that the adjustment rod can rotate relative to the limiting plate to realize the ignition operation.

[0034] A gas stove burner comprises the gas stove cock valve as described above.

[0035] The positive progress effect of the utility model lies in that: on the one hand, the limiting plate realizes the initial rotation limiting of the adjustment rod, only when the valve rod drives the adjustment rod to press down to below the limiting plate, the adjustment rod can be further rotated, thereby preventing the situation that the gas passage is opened but cannot be ignited due to insufficient user pressing force, preventing gas leakage, and improving the safety of the gas stove cock valve. On the other hand, after the valve rod is pressed down in place and drives the adjustment rod to rotate, the adjustment rod can abut against the lower end surface of the limiting plate, and the limiting plate can limit the upward movement of the adjustment rod, thereby limiting the upward movement of the entire valve rod, realizing the mechanical locking of the position of the valve rod in the ignition process, making the adjustment rod continuously in the pressed down in place state, and the user can not continuously press the valve rod in the process of rotating the valve rod, avoiding the risk of gas leakage caused by hand loosening, and replacing human pressing with mechanical structure, making the ignition operation labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is the three-dimensional structure schematic view of the cock valve of the stove of one embodiment of the utility model.

[0037] Figure 2 It is the internal structure schematic view of the cock valve of the stove of one embodiment of the utility model.

[0038] Figure 3 It is another internal structure schematic view of the cock valve of the stove of one embodiment of the utility model.

[0039] Figure 4 It is the three-dimensional structure schematic view of the cooperation of valve rod and gear adjusting module of one embodiment of the utility model.

[0040] Figure 5 It is the three-dimensional structure schematic view of the valve rod of one embodiment of the utility model.

[0041] Figure 6 It is the three-dimensional structure schematic view of the gear adjusting module of one embodiment of the utility model.

[0042] Figure 7 It is the three-dimensional structure schematic view of the child lock module of one embodiment of the utility model.

[0043] Figure 8 It is the side view structure schematic view of the child lock module of one embodiment of the utility model.

[0044] Figure 9 It is the three-dimensional structure schematic view of the cooperation of pressing plate and travel switch of one embodiment of the utility model.

[0045] Explanation of reference signs:

[0046] Valve body 11

[0047] Valve rod 12

[0048] Close 13

[0049] Groove 131

[0050] Gear adjusting module 2

[0051] Adjusting rod 21

[0052] Fixed part 22

[0053] First cover plate 221

[0054] Gear plate 222

[0055] Gear groove 2221

[0056] Limiting plate 23

[0057] Connecting plate 24

[0058] gap 25

[0059] child lock module 3

[0060] paddle 31

[0061] limiting groove 311

[0062] unlocking block 32

[0063] second cover plate 4

[0064] moving space 5

[0065] pressing plate 61

[0066] travel switch 62

[0067] spring 7 DETAILED DESCRIPTION

[0068] A preferred embodiment is described below in conjunction with the accompanying drawings so as to make the present utility model more comprehensively and completely understood.

[0069] The present embodiment discloses a stove burner, which comprises Figures 1-3 as shown in the stove cock valve.

[0070] As shown in Figures 1-3 , the stove cock valve comprises a valve body 11, a valve rod 12, a valve core 13 and a gear position adjusting module 2.

[0071] As shown in Figures 2-5 , the valve core 13 is arranged inside the valve body 11, the valve rod 12 is connected with the valve core 13, and the valve rod 12 can drive the valve core 13 to rotate around the axis of the valve rod 12 relative to the valve body 11. Specifically, an adjusting rod 21 is arranged on the peripheral side wall of the valve rod 12, the adjusting rod 21 extends along the radial direction of the valve rod 12, and the valve rod 12 can drive the adjusting rod 21 to move in the vertical direction and rotate around the axis of the valve rod 12 relative to the valve body 11 between a starting position and an ignition position. The upper end of the valve core 13 is provided with a groove 131 with an upward opening, the groove 131 penetrates through both ends in the radial direction of the valve core 13, the adjusting rod 21 is inserted into the groove 131, and when the valve rod 12 drives the adjusting rod 21 to rotate around the axis of the valve rod 12, the end face of the adjusting rod 21 in the circumferential direction of the valve rod 12 can abut against the groove wall of the groove 131, thereby driving the valve core 13 to rotate.

[0072] Among them, the starting position refers to the initial position of the valve rod 12 when the user does not ignite.

[0073] As shown in Figure 2 , Figure 3 and Figure 6 , the gear position adjusting module 2 comprises a fixed part 22, a limiting plate 23, a connecting plate 24 and the above-mentioned adjusting rod 21.

[0074] As Figure 2 Figure 3 , Figure 4 and Figure 6 shown, the fixed part 22 and the limiting plate 23 are fixedly connected with the valve body 11, and the limiting plate 23 is arranged below the fixed part 22. Along the circumference of the valve rod 12, one end of the limiting plate 23 is arranged at the starting position, and the other end of the limiting plate 23 extends towards the ignition position. The lower end surface of the fixed part 22 and the upper end surface of the limiting plate 23 form a gap 25 for the movement of the adjusting rod 21 in the vertical direction. The adjusting rod 21 is located below the fixed part 22, and the length of the gap 25 in the vertical direction is greater than or equal to the length of the adjusting rod 21 in the vertical direction, so as to facilitate the movement of the adjusting rod 21 in the gap 25.

[0075] Specifically, as Figure 2 and Figure 6 shown, the upper end of the valve body 11 is provided with an opening for the valve rod 12 to pass through, and the fixed part 22 includes a first cover plate 221 and a gear plate 222. The first cover plate 221 is connected with the upper end of the valve body 11 and blocks the opening on the valve body 11, and the gear plate 222 is used to cooperate with the adjusting rod 21 to control the fire gear of the burner. The adjusting rod 21 and the limiting plate 23 are arranged inside the valve body 11. The gear plate 222 is arranged at the lower end surface of the first cover plate 221, the limiting plate 23 is arranged below the gear plate 222, the connecting plate 24 is arranged on the side of the adjusting rod 21 away from the valve rod 12 in the radial direction of the valve rod 12, the two ends of the connecting plate 24 in the vertical direction are connected with the limiting plate 23 and the gear plate 222 respectively, and the gap 25 for the movement of the adjusting rod 21 is formed between the lower end surface of the gear plate 222 and the upper end surface of the limiting plate 23.

[0076] The present embodiment forms a sealed cavity structure through the closed design of the fixed part 22 on the opening of the valve body 11, which can not only prevent external pollutants from entering the interior of the valve body 11 to affect the mechanical transmission, but also place the cooperation mechanism of the adjusting rod 21 and the limiting plate 23 in a closed environment, thereby improving the reliability and safety of the system.

[0077] In other alternative embodiments, the limiting plate 23 can also be arranged at the upper end of the fixed part 22, and the adjusting rod 21 is also located at the upper end of the fixed part 22. The limiting plate 23 and the adjusting rod 21 are arranged outside the valve body 11.

[0078] In the present embodiment, the limiting plate 23 is arranged on the side of the adjusting rod 21 away from the valve rod 12 in the radial direction of the valve rod 12, so as to ensure the normal rotation of the adjusting rod 21 and avoid interference between the adjusting rod 21 and the connecting plate 24 during rotation. The fixed part 22, the limiting plate 23 and the connecting plate 24 form a guide channel (i.e. the gap 25) for the movement of the adjusting rod 21, so as to realize the movement guidance of the adjusting rod 21.

[0079] Further, as Figure 6As shown, the included angle a between the two sides of the limiting plate 23 in the circumference of the valve rod 12 is 65-70, by controlling the length of the limiting plate 23 within a certain range, to avoid the ignition failure caused by the insufficient rotation of the adjusting rod 21 due to the too short limiting plate 23.

[0080] Further, the gear plate 222 is provided with a plurality of gear grooves 2221, and the adjusting rod 21 is partially accommodated in the gear grooves 2221 when rotating around the axis of the valve rod 12, to facilitate the user to understand the current fire gear and better control the flame.

[0081] In other alternative embodiments, the fixed part 22 can also not be provided with the gear plate 222, that is, the first cover plate 221 and the limiting plate 23 are connected by the connecting plate 24, and the gap 25 for the movement of the adjusting rod 21 is formed between the limiting plate 23 and the first cover plate 221.

[0082] When the adjusting rod 21 rotates from the starting position to the ignition position, the valve rod 12 drives the adjusting rod 21 to press down, so that the upper end surface of the adjusting rod 21 abuts against the lower end surface of the limiting plate 23, and after the adjusting rod 21 rotates beyond the circumferential length of the limiting plate 23, the valve rod 12 drives the adjusting rod 21 to rebound and rise, and the adjusting rod 21 abuts against the gear plate 222. When the adjusting rod 21 rotates from the ignition position to the starting position, the adjusting rod 21 can extend into the gap 25 and move in the gap 25, so as to realize the reset of the adjusting rod 21. The valve rod 12 rebounds and rises by the spring 7.

[0083] In this embodiment, the limiting plate 23 realizes the initial rotation limiting of the adjusting rod 21 on one hand, and only when the valve rod 12 drives the adjusting rod 21 to press down below the limiting plate 23, the adjusting rod 21 can further rotate, so as to prevent the situation that the gas passage is opened but the fire is not ignited due to insufficient pressing force of the user, prevent gas leakage, and improve the safety of the stove cock valve. On the other hand, after the valve rod 12 is pressed into place and drives the adjusting rod 21 to rotate, the adjusting rod 21 can abut against the lower end surface of the limiting plate 23, and the limiting plate 23 can limit the upward movement of the adjusting rod 21, so as to limit the upward movement of the entire valve rod 12, realize the mechanical locking of the position of the valve rod 12 in the ignition process, make the adjusting rod 21 continuously in the pressed into place state, and the user can not need to continuously press the valve rod 12 in the process of rotating the valve rod 12, which not only avoids the risk of gas leakage caused by hand loosening, but also replaces the human force pressing by the mechanical structure, so as to make the ignition operation labor-saving.

[0084] As shown in FIG. 6, the adjusting rod 21 is provided with a plurality of limiting grooves 211, and the valve rod 12 is partially accommodated in the limiting grooves 211 when rotating around the axis of the adjusting rod 21, to facilitate the user to understand the current fire gear and better control the flame. Figures 7-9As shown, the stove cock valve further comprises a child lock module 3, the child lock module 3 comprising a toggle 31 and an unlocking block 32, the toggle 31 being connected with the valve rod 12, and the unlocking block 32 being connected with the valve body 11. The valve rod 12 can drive the toggle 31 to move along the vertical direction relative to the unlocking block 32 between an unlocking position and a locking position. When the toggle 31 is in the unlocking position, the valve rod 12 can rotate relative to the valve body 11 about the axis of the valve rod 12. When the toggle 31 is in the locking position, the limiting block can limit the valve rod 12 from rotating relative to the valve body 11 about the axis of the valve rod 12, i.e. the valve rod 12 cannot rotate relative to the valve body 11 about the axis of the valve rod 12.

[0085] Specifically, as shown in the figures, Figure 7 and Figure 8 the toggle 31 is sleeved on the valve rod 12, and the toggle 31 is provided with a limiting groove 311 penetrating in the vertical direction, the opening of the limiting groove 311 facing the radial outer side of the valve rod 12. The stove cock valve further comprises a second cover plate 4, the second cover plate 4 being connected to the upper end of the valve body 11, the second cover plate 4 in this embodiment being stepped, and the upper end of the second cover plate 4 and the valve body 11 forming a moving space 5 for the movement of the toggle 31 in the vertical direction, the upper end of the unlocking block 32 being connected with the upper end of the second cover plate 4, and the unlocking block 32 and the toggle 31 both being arranged in the moving space 5. The moving space 5 provides space for the movement of the toggle 31 and the unlocking block 32 in the vertical direction, ensuring that the toggle 31 and the unlocking block 32 can be smoothly separated.

[0086] When the toggle 31 is in the unlocking position, the valve rod 12 drives the toggle 31 to press down to the lower end surface of the unlocking block 32 abutting against the upper end surface of the toggle 31, and the valve rod 12 can rotate relative to the valve body 11 about the axis of the valve rod 12. When the toggle 31 is in the locking position, the valve rod 12 drives the toggle 31 to rebound upward, so that the unlocking block 32 extends into the limiting groove 311, and the groove wall of the limiting groove 311 will limit the toggle 31 from rotating along the circumference of the valve rod 12, so that the valve rod 12 cannot rotate relative to the valve body 11 about the axis of the valve rod 12.

[0087] In this embodiment, the child lock module 3 and the gear adjustment module 2 form a double insurance mechanism. When the user presses insufficiently, the cooperation of the toggle 31 and the unlocking block 32 can physically block the rotation of the valve rod 12, preventing the valve rod 12 from still being able to rotate in the case of insufficient user pressing, thereby preventing gas leakage and improving the safety of the stove cock valve.

[0088] Further, when the dial 31 is in the locked position, the distance a between the lower end surface of the unlocking block 32 and the upper end surface of the dial 31 in the vertical direction is greater than or equal to the distance b between the lower end surface of the limiting plate 23 and the lower end surface of the fixed part 22. The distance parameter is set in the embodiment to realize the linkage and cooperation of the child lock mechanism and the gear adjusting module 2. The distance setting ensures that when the child lock is released, the adjusting rod 21 is necessarily located below the lower end surface of the limiting plate 23, so that the adjusting rod 21 can rotate relative to the limiting plate 23 to realize the ignition operation.

[0089] Further, as shown in Figure 9 The stove cock valve further includes a pressing plate 61 and a travel switch 62 in the embodiment. The pressing plate 61 is connected with the valve rod 12, and the valve rod 12 can drive the pressing plate 61 to move in the vertical direction. When the dial 31 is in the unlocked position, the pressing plate 61 can press the travel switch 62. The dial 31 in the embodiment is arranged above the pressing plate 61, so that the moving stroke of the dial 31 is increased, that is, the pressing stroke of the valve rod 12 is increased, so that the adjusting rod 21 can be moved below the lower end surface of the limiting plate 23, and the adjusting rod 21 can rotate relative to the limiting plate 23 to realize the ignition operation.

[0090] In other alternative embodiments, the dial 31 can also be arranged below the pressing plate 61.

[0091] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown by the device or component in normal use, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or component must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0092] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, and these changes and modifications all fall within the protection scope of the utility model.

Claims

1. A cooktop faucet valve, characterized in that, The stove cock valve comprises a valve body, a valve rod, a spool and a gear position adjusting module; The spool is arranged in the interior of the valve body, the valve rod is connected with the spool, and the valve rod can drive the spool to rotate relative to the valve body around the axis of the valve rod; The gear position adjusting module comprises an adjusting rod, a fixed part and a limiting plate; The adjusting rod is connected with the peripheral side wall of the valve rod and is located below the fixed part, the valve rod can drive the adjusting rod to move in the vertical direction and rotate relative to the valve body around the axis of the valve rod between a starting position and an ignition position; The fixed part and the limiting plate are fixedly connected with the valve body, and the limiting plate is arranged below the fixed part; along the circumferential direction of the valve rod, one end of the limiting plate is arranged at the starting position, and the other end of the limiting plate extends towards the ignition position; the lower end surface of the fixed part and the upper end surface of the limiting plate form a gap in the vertical direction, and the length of the gap in the vertical direction is greater than or equal to the length of the adjusting rod in the vertical direction; When the adjusting rod rotates from the starting position to the ignition position, the adjusting rod can abut against the lower end surface of the limiting plate; when the adjusting rod rotates from the ignition position to the starting position, the adjusting rod can extend into the gap.

2. The cooktop faucet valve of claim 1, wherein, The included angle between the two side surfaces of the limiting plate in the circumferential direction of the valve rod is 65-70.

3. The cooktop faucet valve of claim 1, wherein, The upper end of the valve body is provided with an opening through which the valve rod passes, the fixed part is connected with the upper end of the valve body and blocks the opening, and the adjusting rod and the limiting plate are arranged in the interior of the valve body.

4. The cooktop faucet valve of claim 3, wherein, The gear position adjusting module further comprises a connecting plate, which is arranged on the side of the adjusting rod away from the valve rod in the radial direction of the valve rod, and the two ends of the connecting plate in the vertical direction are connected with the fixed part and the limiting plate respectively.

5. The cooktop faucet valve of claim 4, wherein, The fixed part comprises a first cover plate and a gear plate, the gear plate is arranged on the lower end surface of the first cover plate, the limiting plate is arranged below the gear plate, the limiting plate and the gear plate are connected through the connecting plate, and the gap for the movement of the adjusting rod is formed between the lower end surface of the gear plate and the upper end surface of the limiting plate.

6. The cooktop faucet valve of claim 1, wherein, The stove cock valve further comprises a child lock module, the child lock module comprises a dial piece and an unlocking block, the dial piece is connected with the valve rod, and the unlocking block is connected with the valve body; The dial piece can move relative to the unlocking block in the vertical direction between an unlocking position and a locking position; when the dial piece is in the unlocking position, the valve rod can rotate relative to the valve body around the axis of the valve rod; when the dial piece is in the locking position, the limiting block can limit the rotation of the valve rod relative to the valve body around the axis of the valve rod.

7. The cooktop faucet valve of claim 6, wherein, The dial piece is sleeved on the valve rod, and the dial piece is provided with a limiting groove penetrating in the vertical direction; The stove cock valve further comprises a second cover plate, the second cover plate is connected with the upper end of the valve body, the upper end of the second cover plate and the valve body form a movement space in the vertical direction, the upper end of the unlocking block is connected with the upper end of the second cover plate, and the unlocking block and the dial piece are arranged in the movement space; When the dial is in the unlocking position, the lower end surface of the unlocking block is in abutment with the upper end surface of the dial; when the dial is in the locking position, the unlocking block extends into the limiting groove.

8. The cooktop faucet valve of claim 7, wherein, When the dial is in the locking position, the distance between the lower end surface of the unlocking block and the upper end surface of the dial in the vertical direction is greater than or equal to the distance between the lower end surface of the limiting plate and the lower end surface of the fixed portion.

9. The cooktop faucet valve of claim 7, wherein, The stove cock valve further comprises a pressing plate and a travel switch, the pressing plate is connected with the valve rod, the valve rod can drive the pressing plate to move in the vertical direction, and the dial is arranged above the pressing plate. When the dial is in the unlocking position, the pressing plate can press the travel switch.

10. A cooktop burner, characterized by The stove burner comprises the stove cock valve according to any one of claims 1-9.

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