CN111998120B

CN111998120B - Kitchen range valve body

Info

Publication number: CN111998120B
Application number: CN202010922816.5A
Authority: CN
Inventors: 苏慧玲; 俞瑜; 严力峰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-07-09
Anticipated expiration: 2040-09-04
Also published as: CN111998120A

Abstract

The invention discloses a stove valve body which comprises a shell, a valve core, an electromagnetic valve and a linkage structure, wherein the valve core can drive the linkage structure to move along the suction direction of the electromagnetic valve; when the linkage structure is in an unlocking state, the linkage structure is separated from the moving part along the suction direction, and when the acting force applied to the linkage structure by the moving part is greater than the first acting force, the locking structure is switched from the locking state to the unlocking state. The cooker valve body provided by the invention has the advantages that the actuation of the electromagnetic valve is influenced through the movement of the valve core through the linkage structure, the linkage structure drives the moving part of the electromagnetic valve to move along the actuation direction of the electromagnetic valve through the rotation movement of the valve core, so that the electromagnetic valve is actuated to actuate, the requirement on the distance for continuously pressing the valve needle is eliminated, the overlong distance for unlocking the child lock is not required, and the use experience of a user is improved.

Description

Kitchen range valve body

Technical Field

The invention relates to a stove valve body.

Background

Generally, when the gas cooker is used, the valve core needs to be pressed down at first, the valve core drives the valve needle to press down, and then the valve needle is driven to the shifting fork, the shifting fork pushes the moving portion of the electromagnetic valve to move towards the suction direction of the electromagnetic valve, and then the electromagnetic valve is closed. In addition, the valve core can rotate after the child lock is opened, so that a channel in the valve body is opened.

The unlocking distance of the child lock needs to be set to be longer, so that the electromagnetic valve can be ensured to be attracted when the child lock is not unlocked, and the distance for pressing the valve core down is usually set to be larger. And the larger pressing distance can cause the electromagnetic valve to be excessively attracted, so that the electromagnetic valve structure is easily damaged.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defect that the distance from the valve core to the unlocking of the child lock structure is too long to ensure the normal suction of the electromagnetic valve in the prior art, and provides a stove valve body.

The invention solves the technical problems through the following technical scheme:

a stove valve body comprises a shell, a valve core and an electromagnetic valve, wherein the valve core and the electromagnetic valve are arranged in the shell, and the stove valve body is characterized by also comprising a linkage structure, the valve core can drive the linkage structure to move along the suction direction of the electromagnetic valve,

the linkage structure is connected to the moving part of the electromagnetic valve through a locking structure, and when the locking structure is in a locking state, the linkage structure and the moving part are relatively fixed; when the locking structure is in an unlocking state, the linkage structure is separated from the moving part along the suction direction, and,

when the acting force applied by the valve core to the linkage structure is larger than the first acting force, the locking structure is switched from the locking state to the unlocking state.

In this scheme, this cooking utensils valve body realizes influencing the actuation of solenoid valve through the motion of case through linkage structure, specifically, the case pushes down to the childproof lock structure and opens the back, the case can rotate, and the rotatory process of case can produce the relation through linkage structure and the actuation process of solenoid valve, namely, linkage structure drives the removal portion of solenoid valve and removes along the actuation direction of solenoid valve through the rotary motion of case, set up like this, can untie at childproof lock, the case can rotate the back and directly drive the removal portion of solenoid valve with regard to the rotation of accessible case and remove, and then impel the solenoid valve to carry out the actuation, owing to need not impel the removal portion to move forward through the motion of driving lever and push rod along the actuation direction, can realize the actuation of solenoid valve because of the rotation. Meanwhile, the linkage structure is connected to the moving part of the electromagnetic valve through the locking structure so as to drive the electromagnetic valve to be attracted, and the moving part can not move after the electromagnetic valve is attracted, so that the linkage structure and the moving part are separated from each other when the stress of the locking structure is increased to be larger than a first acting force, and the situation that the moving part of the electromagnetic valve limits the normal movement of the valve core can be avoided. Through the structure setting, make the distance that continues to push down the case and the setting of push rod all not too much require, can make the solenoid valve actuation through rotatory, the distance that children's lock untied just also need not set up the overlength, simultaneously, also avoided too big effort to cause the influence to the solenoid valve structure, on the contrary, linkage structure's normal rotation that can not influence the case again after the solenoid valve actuation breaks away from, need not carefully exert oneself to the case during the use, improved user's use impression.

Preferably, one end of the linkage structure abuts against the valve core, and the other end of the linkage structure can be connected with and separated from the moving part, and when the valve core rotates, the linkage structure can change the movement direction of the valve core along the rotation tangential direction into the movement direction of the linkage structure along the suction direction. Because the valve core is in rotary motion, the moving part is in motion along the attraction direction, the linkage structure can convert the rotary direction of the valve core into motion along the attraction direction, namely, acting force along the attraction direction is applied to the moving part through the linkage structure, and originally unavailable rotary motion is converted into motion along the attraction direction which can be utilized by the moving part, so that the moving part is promoted to move until the electromagnetic valve is attracted.

Preferably, the linkage structure has a transmission end and a locking end, the transmission end can abut against the outside of the valve core, the locking end forms the locking structure, the locking end can be connected to and separated from the moving portion, when the valve core rotates, the valve core drives the transmission end to move, and the transmission end drives the locking end to move along the suction direction. The transmission end is abutted to the outside of the valve core and used for sensing the motion displacement or state of the valve core, the locking end is connected with and separated from the moving part, the transmission end is associated with the locking end, two motion states are converted and embodied through the two end parts, and therefore the motion state of the valve core is transmitted to the locking end, the locking end is embodied along the motion of the attraction direction, and the moving part is directly driven to move along the attraction direction.

Preferably, the transmission end has a matching inclined surface, the exterior of the valve core has a transmission part abutting against the matching inclined surface, and when the valve core rotates, the transmission part can push the matching inclined surface to move along the suction direction. The motion direction conversion of the linkage structure is realized by the abutting of the matching inclined plane and the valve core, namely, the valve core acts on the matching inclined plane along the rotating tangential acting force at first, the inclined plane is subjected to thrust, the pushing of the linkage structure along the suction direction can be realized by the component force of the linkage structure along the suction direction, and then the locking end can move along the suction direction.

Preferably, the transmission part is a moving groove arranged outside the valve core, at least a part of the matching inclined plane is positioned in the moving groove, and the edge part of the moving groove can abut against the matching inclined plane. The setting of removal recess makes the cooperation of cooperation inclined plane and case more convenient, and the setting of removing the recess can not lead to the fact great influence to the outside circular profile of case, guarantees that the case is rotatory smooth, on this basis, has still realized with the butt on cooperation inclined plane, and this kind of setting mode is comparatively simple and convenient, and is less to the influence of original structure.

Preferably, the locking end and the moving portion are connected to each other by a magnetic attraction force acting on the moving portion along the attraction direction through the locking end, and the magnetic attraction force is the first acting force. The locking end and the moving part are connected through the magnetic attraction, so that the acting force exerted on the linkage structure after the attraction is greater than the first acting force can be separated, the separation process can be guaranteed without matching with other mechanical structures, the connection is simple and reliable, the separation can be faster, and the setting is also simple and convenient.

Preferably, the inside of casing has spacing passageway, linkage structure is located in the spacing passageway, the extending direction of spacing passageway is the actuation direction, spacing passageway is used for making the locking end follow the actuation direction removes. The arrangement of the limiting channel ensures that the movement direction of the linkage structure is kept unchanged, and the stability of the whole transmission process is improved.

Preferably, a fixing portion is arranged in the middle of the linkage structure, a return spring is arranged between the fixing portion and the shell, the return spring is used for applying a return force to the linkage structure along a direction opposite to the suction direction, and when the valve core acts on the linkage structure, the return spring is in a compression state or a stretching state. Reset spring is used for exerting reset force to linkage structure to after guaranteeing to finish using, the case is replied to initial position, and linkage structure also can reply initial position, the normal use of being convenient for next time.

Preferably, a position facing the fixing portion inside the housing is provided with a limiting groove, one end of the fixing portion in the suction direction can be positioned in the limiting groove, and the return spring is positioned in the limiting groove. The limiting groove limits the moving distance of the linkage structure, and the influence of overlong moving distance on the normal use of the electromagnetic valve is avoided.

Preferably, the solenoid valve further includes a sealing cover, a through groove extending along the suction direction is formed on a surface of the sealing cover, and the locking end passes through the through groove and is located at one side of the moving portion. The seal housing provides a distance to allow movement of the locking end to ensure that the movement of the locking end is not restricted.

Preferably, the stove valve body further comprises a shifting lever and a push rod, the push rod extends along the attraction direction, the push rod is connected to the moving portion, and the shifting lever can push the moving portion to move along the attraction direction through the push rod. The setting of driving lever and push rod can make locking end and removal portion need not just connect when not removing yet, but can promote the push rod through the driving lever, will remove the portion and promote the connection that realizes and the locking end again after promoting a section distance, and do not waste this section distance that in-process driving lever and push rod that the case pushed down can promote removal portion, reduced the distance that linkage structure need remove, can further save the shared space of the inside linkage structure of casing.

Preferably, when the push rod pushes the moving portion to move to the first position, the locking end contacts the moving portion, and the valve core can drive the moving portion to move along the suction direction through the linkage structure.

Preferably, the stove valve body further comprises a child lock, the child lock is arranged outside the valve core and used for limiting the rotation of the valve core, and when the child lock is unlocked, the valve core can rotate around the axis.

Preferably, the stove valve body further comprises a valve plate and a reset piece, the reset piece is arranged between the electromagnetic valve and the valve plate, the reset piece is used for applying a reset force to the valve plate along the opposite direction of the attraction direction, and the first acting force is larger than the reset force. The reset piece is used for providing the reset force which enables the moving part and the valve plate to be reset to the initial state when the electromagnetic valve is changed from the closing state to the separating state, and the first acting force needs to be larger than the reset force, so that the situation that the linkage structure cannot push the moving part to be closed is avoided.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

the cooker valve body provided by the invention realizes that the actuation of the electromagnetic valve is influenced by the movement of the valve core through the linkage structure, the valve core can rotate after being pressed down to the open state of the child lock structure, the rotation process of the valve core can be associated through the linkage structure and the actuation process of the electromagnetic valve, namely, the linkage structure drives the moving part of the electromagnetic valve to move along the actuation direction of the electromagnetic valve through the rotation movement of the valve core, so that the moving part of the electromagnetic valve can be directly driven to move through the rotation of the valve core after the child lock is unlocked and the valve core can rotate, the electromagnetic valve is further actuated to actuate, because the moving part does not need to move forwards through the movement of a deflector rod and a push rod along the actuation direction, the actuation of the electromagnetic valve can be realized due to the rotation, meanwhile, the linkage structure is connected to the moving part of the electromagnetic valve through the locking structure to realize, after the electromagnetic valve is sucked, the moving part can not move any more, so that when the stress of the locking structure is increased to be larger than the first acting force, the linkage structure and the moving part are separated from each other, and the situation that the moving part of the electromagnetic valve limits the normal movement of the valve core can be avoided. Through the structure setting, make the distance that continues to push down the case and the setting of push rod all not too much require, can make the solenoid valve actuation through rotatory, the distance that children's lock untied just also need not set up the overlength, simultaneously, also avoided too big effort to cause the influence to the solenoid valve structure, on the contrary, linkage structure's normal rotation that can not influence the case again after the solenoid valve actuation breaks away from, need not carefully exert oneself to the case during the use, improved user's use impression.

Drawings

Fig. 1 is a schematic structural view of a linkage structure of a cooker valve body and a moving part of the cooker valve body in a non-contact state according to a preferred embodiment of the invention.

Fig. 2 is a schematic cross-sectional structure view of a cooker valve body according to a preferred embodiment of the invention.

Fig. 3 is a partial structural view of a portion a in fig. 2.

Fig. 4 is a partial structural diagram of a portion B in fig. 2.

Fig. 5 is a partial structural view of a portion C in fig. 2.

Fig. 6 is a schematic cross-sectional structure view of a cooker valve body in a locked state according to a preferred embodiment of the present invention.

Description of reference numerals:

housing 1

Spacing channel 11

Limiting groove 12

Valve core 2

Moving groove 21

Electromagnetic valve 3

Moving part 31

Sealing cover 32

Through groove 32a

Linkage structure 4

Drive end 41

Fitting slope 41a

Locking end 42

Fixed part 43

Return spring 5

Deflector rod 6

Push rod 7

Valve plate 8

Reset piece 9

Detailed Description

The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, without thereby limiting the scope of the invention to the described embodiment.

As shown in fig. 1 to 6, the present embodiment provides a stove valve body, which comprises a housing 1, a valve core 2 disposed inside the housing 1, a solenoid valve 3, and a child lock (not shown in the figure), wherein the child lock is disposed outside the valve core 2 for limiting the rotation of the valve core 2, and when the child lock is unlocked, the valve core 2 can rotate around an axis. The stove valve body also comprises a linkage structure 4, and the valve core 2 can drive the linkage structure 4 to move along the suction direction of the electromagnetic valve 3.

The linkage structure 4 is connected to the moving part 31 of the electromagnetic valve 3 through a locking structure, and when the locking structure is in a locking state, the linkage structure 4 and the moving part 31 are relatively fixed; when the locking structure is in the unlocked state, the linkage structure 4 is disengaged from the moving part 31 in the attraction direction, and when the acting force applied by the valve core 2 to the linkage structure 4 is greater than the first acting force, the locking structure is switched from the locked state to the unlocked state.

The cooker valve body realizes that the suction of the electromagnetic valve 3 is influenced by the movement of the valve core 2 through the linkage structure 4. Specifically, the valve core 2 is pressed down to open the child lock structure, the valve core 2 can rotate, the rotation process of the valve core 2 can be associated with the attraction process of the electromagnetic valve 3 through the linkage structure 4, namely, the linkage structure 4 drives the moving part 31 of the electromagnetic valve 3 to move along the attraction direction of the electromagnetic valve 3 through the rotation motion of the valve core 2, and thus the child lock is unlocked, and the valve core 2 can directly drive the moving part 31 of the electromagnetic valve 3 to move through the rotation of the valve core 2 after the rotation, so that the electromagnetic valve 3 is attracted. Because the moving part 31 does not need to move forwards along the attracting direction through the movement of the deflector rod 6 and the push rod 7, the attracting of the electromagnetic valve 3 can be realized due to the rotation, meanwhile, the linkage structure 4 is connected with the moving part 31 of the electromagnetic valve 3 through the locking structure so as to realize the purpose of driving the electromagnetic valve 3 to attract, after the electromagnetic valve 3 attracts, the moving part 31 can not move, therefore, when the stress of the locking structure rises to be larger than the first acting force, the linkage structure 4 is separated from the moving part 31, and the situation that the moving part 31 of the electromagnetic valve 3 limits the normal movement of the valve core 2 can be avoided. Through the structure setting, make the distance that continues to push down to case 2 and the setting of push rod 7 all not too much require, can make 3 actuations of solenoid valve through rotatory, the distance that the child lock unties just also need not set up the overlength, and simultaneously, too big effort has also been avoided causing the influence to the structure of solenoid valve 3, on the contrary, the normal rotation of case 2 can not be influenced again in the breaking away from of 3 actuation back linkage structure 4 of solenoid valve, need not carefully exert oneself to case 2 during the use, user's use impression has been improved.

Specifically, one end of the linkage structure 4 abuts against the valve core 2, and the other end of the linkage structure 4 can be connected to and disconnected from the moving portion 31, so that when the valve core 2 rotates, the linkage structure 4 can change the movement direction of the valve core 2 along the rotation tangential direction into the movement direction of the linkage structure 4 along the attraction direction. In this embodiment, the linkage structure 4 has a transmission end 41 and a locking end 42, the transmission end 41 can abut against the outside of the valve core 2, the locking end 42 forms a locking structure, the locking end 42 can be connected to and disconnected from the moving portion 31, when the valve core 2 rotates, the valve core 2 drives the transmission end 41 to move, and the transmission end 41 drives the locking end 42 to move along the suction direction.

Because the valve core 2 is in rotary motion, the moving part 31 is in motion along the attraction direction, therefore, the linkage structure 4 can convert the rotary direction of the valve core 2 into motion along the attraction direction, namely, acting force along the attraction direction is applied to the moving part 31 through the linkage structure 4, originally unavailable rotary motion is converted into motion along the attraction direction which can be utilized by the moving part 31, the transmission end 41 is abutted to the outside of the valve core 2 and used for sensing the motion displacement or state of the valve core 2, and the locking end 42 is connected with and separated from the moving part 31, so that two motion states are converted and embodied through two end parts, the motion of the locking end 42 along the attraction direction is embodied, and the motion of the moving part 31 along the attraction direction is directly driven.

In this embodiment, the transmission end 41 is provided with a matching inclined surface 41a, and the exterior of the valve core 2 is provided with a transmission part abutting against the matching inclined surface 41a, and when the valve core 2 rotates, the transmission part can push the matching inclined surface 41a to move along the attraction direction. The movement direction conversion of the linkage structure 4 is realized by the abutting of the matching inclined surface 41a and the valve core 2, namely, the valve core 2 firstly acts on the matching inclined surface 41a along the rotating tangential acting force, the inclined surface is subjected to thrust, the pushing of the linkage structure 4 along the suction direction can be realized by the component force of the inclined surface along the suction direction, and then the locking end 42 can move along the suction direction.

Further, the transmission part is a moving groove 21 provided outside the valve element 2, at least a part of the fitting inclined surface 41a is located in the moving groove 21, and the edge of the moving groove 21 can abut against the fitting inclined surface 41 a. The arrangement of the movable groove 21 enables the cooperation of the inclined plane 41a and the valve core 2 to be more convenient, the arrangement of the movable groove 21 can not cause great influence on the external circular contour of the valve core 2, the valve core 2 is ensured to rotate smoothly, on the basis, the butt with the inclined plane 41a is realized, the arrangement mode is simpler and more convenient, and the influence on the original structure is smaller.

In the present embodiment, the locking end 42 and the moving portion 31 are connected to each other by a magnetic attraction force acting on the moving portion 31 in the attracting direction through the locking end 42, and the magnetic attraction force is the first acting force. The locking end 42 and the moving part 31 are connected with each other through magnetic attraction, so that the acting force exerted on the linkage structure 4 after the attraction is greater than the first acting force can be separated, the separation process can be ensured without matching with other mechanical structures, the connection is simple and reliable, the separation can be quicker, and the arrangement is also simple and convenient.

In order to enable the linkage structure 4 to move in the housing 1 along the suction direction, a limiting channel 11 is further arranged inside the housing 1, the linkage structure 4 is positioned in the limiting channel 11, the extending direction of the limiting channel 11 is the suction direction, and the limiting channel 11 is used for enabling the locking end 42 to move in the suction direction, so that the movement direction of the linkage structure 4 is kept unchanged, and the stability of the whole transmission process is improved.

The solenoid valve 3 further includes a sealing cover 32, a surface of the sealing cover 32 having a through groove 32a extending in the suction direction, and a locking end 42 passing through the through groove 32a and located at one side of the moving part 31. The seal housing 32 provides a distance to allow movement of the locking end 42 to ensure that movement of the locking end 42 is not restricted.

And, the middle part of linkage structure 4 is equipped with fixed part 43, is equipped with reset spring 5 between fixed part 43 and the casing 1, and reset spring 5 is used for exerting the reset force to linkage structure 4 along opposite to the actuation direction, and when case 2 acted on linkage structure 4, reset spring 5 was in compression state or tensile state. Reset spring 5 is used for exerting reset force to linkage structure 4 to after guaranteeing to finish using, case 2 returns initial position, and linkage structure 4 also can return initial position, the next normal use of being convenient for. In the present embodiment, the fixing portion 43 is provided at a position toward which the end portion of the restricting passage 11 in the attracting direction faces in the housing 1. In addition, a position facing the fixing portion 43 inside the housing 1 may also be provided with a limit groove 12, one end of the fixing portion 43 in the attracting direction may be positioned in the limit groove 12, and the return spring 5 is positioned in the limit groove 12. The limiting groove 12 limits the moving distance of the linkage structure 4, and avoids the influence of the overlong moving distance on the normal use of the electromagnetic valve 3. Of course, in the case of the position restricting passage 11, the position restricting groove 12 may not be provided.

The stove valve body further comprises a shifting lever 6 and a push rod 7, the push rod 7 extends along the attraction direction, the push rod 7 is connected to the moving portion 31, and the shifting lever 6 can push the moving portion 31 to move along the attraction direction through the push rod 7. The setting of driving lever 6 and push rod 7 can make locking end 42 and removal portion 31 need not just connect when not moving yet, but can promote push rod 7 through driving lever 6, realize the connection with locking end 42 after promoting removal portion 31 a section distance again, and this section distance that the in-process driving lever 6 that does not waste case 2 pushed down and push rod 7 can promote removal portion 31, the distance that linkage structure 4 need remove has been reduced, can further save the shared space of the inside linkage structure 4 of casing 1. When the shift lever 6 pushes the push rod 7 and the push rod 7 further pushes the moving portion 31 to move along the pull-in direction, when the push rod 7 pushes the moving portion 31 to move to the first position, the locking end 42 contacts the moving portion 31, and the valve core 2 can drive the moving portion 31 to move along the pull-in direction through the linkage structure 4.

In this embodiment, on the basis of the above-mentioned shift lever 6 and push rod 7, when the push rod 7 pushes the moving portion 31 to the first position, the locking end 42 and the moving portion 31 achieve the attraction connection, then the push rod 7 continues to push the moving portion 31 to move forward until one end of the matching inclined surface 41a moves out of the inner portion of the moving groove 21, then the child lock is unlocked, and the valve core 2 can rotate. Then, the rotation of the valve core 2 drives the linkage structure 4 to move continuously along the attraction direction, and the locking end 42 of the linkage structure 4 drives the moving part 31 to move continuously until the electromagnetic valve 3 realizes attraction. After the solenoid valve 3 is closed, since the valve spool 2 continuously applies an acting force to the interlocking structure 4, the interlocking structure 4 is separated from the moving part 31 when the applied acting force is greater than the first acting force, i.e., the magnetic attraction force between the locking end 42 and the moving part 31. The solenoid valve 3 continuously maintains the attraction state.

In the present embodiment, a conventional child lock provided outside the valve body 2 may be eliminated, and the child lock function is realized by the moving groove 21 and the transmission end 41. The drive end 41 extends into the non-beveled end of the moving groove 21 and the valve body cannot rotate until it is completely removed from the groove, thus achieving the child lock function. When the child lock is unlocked only through the length setting, the locking end 42 and the moving part 31 are connected in an attraction mode.

The stove valve further comprises a valve plate 8 and a reset piece 9, the reset piece 9 is arranged between the electromagnetic valve 3 and the valve plate 8, the reset piece 9 is used for applying reset force to the valve plate 8 along the opposite direction of the attraction direction, and the first acting force is larger than the reset force. The reset piece 9 is used for providing a reset force for prompting the moving portion 31 and the valve plate 8 to return to the initial state when the electromagnetic valve 3 changes from the closing state to the separating state, and the first acting force needs to be larger than the reset force, so that the linkage structure 4 is prevented from being incapable of pushing the moving portion 31 to close. In the present embodiment, the return member 9 employs the return spring 5.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A stove valve body comprises a shell, a valve core and an electromagnetic valve, wherein the valve core and the electromagnetic valve are arranged in the shell, the stove valve body is characterized by also comprising a linkage structure, the valve core can drive the linkage structure to move along the suction direction of the electromagnetic valve,

when the acting force of the valve core on the linkage structure is larger than the first acting force, the locking structure is switched from the locking state to the unlocking state,

the locking end of linkage structure forms locking structure, the locking end with the removal portion passes through the locking end acts on the edge of removal portion the magnetic attraction interconnect of actuation direction, the magnetic attraction does first effort.

2. The cooker valve body of claim 1, wherein one end of the linkage structure abuts against the valve core, and the other end of the linkage structure is capable of being connected to and disconnected from the moving portion, and when the valve core rotates, the linkage structure is capable of changing a movement direction of the valve core along a rotation tangential direction into a movement direction of the linkage structure along the attraction direction.

3. The cooker valve body of claim 2, wherein the linkage structure has a transmission end and the locking end, the transmission end can abut against the outside of the valve element, the locking end can be connected to and disconnected from the moving portion, when the valve element rotates, the valve element drives the transmission end to move, and the transmission end drives the locking end to move along the suction direction.

4. The cooker valve body of claim 3, wherein the transmission end has a matching inclined surface, the exterior of the valve core has a transmission part abutting against the matching inclined surface, and when the valve core rotates, the transmission part can push the matching inclined surface to move along the suction direction.

5. The cooking utensil valve body of claim 4, wherein the transmission part is a moving groove arranged outside the valve core, at least one part of the matching inclined surface is positioned in the moving groove, and the edge part of the moving groove can abut against the matching inclined surface.

6. The cooking utensil valve body of claim 3, wherein the inside of the housing has a limiting channel, the linkage structure is positioned in the limiting channel, the extending direction of the limiting channel is the attracting direction, and the limiting channel is used for enabling the locking end to move along the attracting direction.

7. The cooking utensil valve body of claim 3, wherein the linkage structure has a fixed portion at the middle portion thereof, a return spring is disposed between the fixed portion and the housing, the return spring is configured to apply a return force to the linkage structure in a direction opposite to the pull-in direction, and when the valve core acts on the linkage structure, the return spring is in a compressed state or an extended state.

8. The cooker valve body as claimed in claim 7, wherein a position facing the fixing portion inside the housing is provided with a limiting groove, one end of the fixing portion in the suction direction is capable of being positioned in the limiting groove, and the return spring is positioned in the limiting groove.

9. The cooktop valve body of claim 3, wherein the solenoid valve further comprises a sealing cover having a through groove extending in the pull-in direction on a surface thereof, the locking end passing through the through groove and being located at one side of the moving portion.

10. The cooker valve body of claim 3, further comprising a shift lever and a push rod, wherein the push rod extends along the attraction direction, and is connected to the moving portion, and the shift lever can push the moving portion to move along the attraction direction through the push rod.

11. The cooking valve of claim 10, wherein when the push rod pushes the moving portion to move to the first position, the locking end contacts the moving portion, and the valve core can drive the moving portion to move along the suction direction through the linkage structure.

12. The cooktop valve of claim 1, further comprising a child lock disposed on an exterior of the valve core, the child lock configured to limit rotation of the valve core, and wherein the valve core is rotatable about an axis when the child lock is disengaged.

13. The cooker valve body of claim 1, further comprising a valve plate and a reset member, wherein the reset member is disposed between the solenoid valve and the valve plate, the reset member is configured to apply a reset force to the valve plate in a direction opposite to the attraction direction, and the first acting force is greater than the reset force.