CN111750114A

CN111750114A - Kitchen range valve body

Info

Publication number: CN111750114A
Application number: CN202010619281.4A
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: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-10-09
Anticipated expiration: 2040-06-30
Also published as: CN111750114B

Abstract

The invention discloses a stove valve body which comprises a valve rod and an electromagnetic valve, wherein the electromagnetic valve comprises a first coil and a valve plate, the first coil is used for adsorbing the valve plate, the stove valve body also comprises a magnetic suction assembly, the magnetic suction assembly comprises a second coil, and the second coil is arranged on the same side of the first coil relative to the valve plate; the driving piece sets up in the valve rod, and when the valve rod pushed down to first degree of depth, the driving piece drive second coil increased the magnetic attraction to the valve block. According to the cooker valve body provided by the invention, the second coil capable of generating additional suction is additionally arranged on the electromagnetic valve, so that when the valve rod is pressed to a certain position, the valve plate of the electromagnetic valve can be adsorbed on the first coil based on the pressing depth of the valve rod when the valve plate moves to a position close to the first coil, the purpose that the electromagnetic valve can be switched to an adsorption state is achieved, the problem that the electromagnetic valve does not reach the adsorption state when a child lock is unlocked is avoided without setting a child lock structure to be too long, the use stability is good, and the response speed is high.

Description

Kitchen range valve body

Technical Field

The invention relates to a stove valve body.

Background

Generally, a valve plate of an electromagnetic valve of a gas cooker moves and is sucked under the action force exerted by a downward-pressed cooker valve rod, so that the cooker can continuously keep a normal ignition state. And because the setting of child's lock structure, the restriction that the child's lock structure was rotatory to it can only be untied after the sufficient distance must be pushed down to the valve rod, and at this moment, the valve block of solenoid valve and inside first coil to its production adsorption affinity must actuation, so, the distance that the valve rod was pushed down to child's lock structure unties needs to be greater than the distance that the valve rod pushed the valve block actuation. However, with this structure, after the valve rod pushes the valve plate to the position of the suction state, the valve rod still applies an acting force to the valve plate, which causes the valve plate to be easily damaged.

Disclosure of Invention

The invention aims to solve the technical problem of providing a stove valve body in order to overcome the defect that the valve plate structure of an electromagnetic valve is easily damaged due to the overlong unlocking stroke of a child lock in the prior art.

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

the utility model provides a cooking utensils valve body, its includes valve rod and solenoid valve, the solenoid valve includes first coil and valve block, first coil is used for adsorbing the valve block, its characterized in that, the cooking utensils valve body still includes magnetism and inhales the subassembly, magnetism is inhaled the subassembly and is included:

the second coil is arranged on the same side of the first coil relative to the valve plate;

the driving piece, the driving piece set up in the valve rod, when the valve rod pushes down to first degree of depth, the driving piece drive the second coil increase is right the magnetic attraction of valve block.

In this scheme, the cooking utensils valve body is through structural the adding second coil that can produce additional adsorption affinity at the solenoid valve originally, thereby realized when the valve rod pushes down a certain position, the valve block of this solenoid valve structure just can be adsorbed on first coil based on the depth of pushing down of valve rod when removing to the nearer distance from first coil, promptly when the valve rod removes the particular position, realize making the solenoid valve can switch over to the purpose of adsorption state through the mode that increases the magnetic attraction that acts on the valve block, and need not set up the condition that the overlength has not reached the actuation state in order to untie the solenoid valve when avoiding the child lock structure again, perhaps still continuously exert the effort to the valve block after valve rod pushes up the valve block to the actuation state position, lead to the problem that the valve block damaged, and high use stability, response speed is also fast.

Preferably, the stove valve body further comprises a housing, the valve rod and the solenoid valve are both located inside the housing, the driving member comprises a sensing device, the sensing device is arranged at an inner side wall of the housing close to the valve rod, the sensing device can detect whether the valve rod is located at the first depth, and the sensing device is electrically connected to the second coil;

when the valve rod is located at the first depth, the sensing device can transmit an induction signal to the second coil, and the second coil conducts current of the coil circuit or the enhancement coil circuit based on the induction signal.

The driving piece transmits a valve rod depth signal to the position of the driving piece through the sensing device, the response speed is higher, meanwhile, the arrangement of the sensing device can be completed through an internal circuit, and excessive or overlarge structures do not need to occupy the internal space of the stove valve body; the second coil realizes the conduction of the circuit or enhances the current of the coil circuit based on the induction signal so as to generate or enhance the adsorption force of the valve plate.

Preferably, the solenoid valve includes a sealing cover, the first coil and the valve plate are disposed inside the sealing cover, and the second coil is also disposed inside the sealing cover. The second coil and the first coil are all integrated in the sealing cover, so that the sealing cover can simultaneously seal the two coils, and the second coil is close to the first coil, so that the second coil is favorable for producing a better adsorption effect on the valve plate.

Preferably, the solenoid valve includes the sealed cowling, first coil with the valve block sets up in the inside of sealed cowling, the second coil set up in the sealed cowling is close to the lateral surface of first coil. The second coil sets up the lateral surface at the sealed cowling of first coil, makes things convenient for the later stage to add the solenoid valve that does not have the second coil, also does benefit to the maintenance of independent coil simultaneously, convenient dismantlement.

Preferably, the second coil is annularly arranged on the outer side surface of the first coil. The mode of ring setting can produce the even adsorption affinity in direction to the valve block, avoids the valve block to produce the skew in the in-process that removes.

Preferably, the driving member comprises a connecting rod, one end of the connecting rod is arranged close to the valve rod, and the other end of the connecting rod is connected to the second coil;

when the valve rod is located at the first depth, the valve rod drives the second coil to move towards the direction close to the valve plate through the connecting rod.

Realize the linkage between valve rod and the second coil through the connecting rod, when the valve rod moved the first degree of depth promptly, can drive the second coil and remove towards the direction of valve block to the reinforcing is good to the adsorption affinity of valve block, and the mode stability through the aggregate unit realization, and the linkage effect is more reliable.

Preferably, the link and the second coil are capable of moving synchronously in a direction of depression of the valve stem. The connecting rod synchronously moves downwards due to the downward movement of the valve rod, and then drives the second coil to move downwards, namely to move towards the position of the first coil.

Preferably, one end of the connecting rod has a contact portion disposed at an inner side wall of the housing near the valve stem, and the valve stem can press down the contact portion when located at the first depth. The setting of contact site is for realizing leaning on between valve rod and the connecting rod, makes the connecting rod realize the linkage effect through the motion state of contact site perception valve rod.

Preferably, an elastic element is arranged between the other end of the connecting rod and the shell, and when the valve rod is located at the first depth, the elastic element is in a compressed state. The elastic element is arranged to realize that the connecting rod has a driving force capable of moving upwards, and when the connecting rod needs to return to the initial state, namely the state before the valve rod moves downwards, the required upward movement force is exerted.

Preferably, the stove valve body further comprises a sealing plate, an outer edge and an inner edge of the sealing plate are respectively connected to the inner side wall of the shell and the outer side wall of the sealing cover, the sealing plate, the shell and the sealing cover jointly enclose a sealing area, and the second coil is located in the sealing area. The setting of closing plate is in order to reach when the second coil sets up in the outside of sealed cowling, realizes the sealed to the second coil, avoids gas or other material that can harm the coil to flow to here.

Preferably, the cooktop valve body further comprises a child lock for restricting rotation of the valve stem, the child lock releasing the restriction of rotation of the valve stem when the valve stem is depressed to a second depth, and the second depth being greater than the first depth.

Preferably, the stove valve body further comprises an ejector rod, when the valve rod is pressed downwards, the bottom of the valve rod pushes one end of the ejector rod to rotate, and a push arm arranged at the other end of the ejector rod can push the valve plate to move towards the first coil.

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:

according to the cooker valve body provided by the invention, the second coil capable of generating additional adsorption force is additionally arranged on the original electromagnetic valve structure, so that when the valve rod is pressed to a certain position, the valve plate of the electromagnetic valve structure can be adsorbed on the first coil based on the pressing depth of the valve rod when moving to a short distance away from the first coil, namely when the valve rod moves to a specific position, the purpose that the electromagnetic valve can be switched to an adsorption state is achieved by increasing the magnetic attraction force acting on the valve plate, the condition that the electromagnetic valve does not reach the adsorption state when the child lock structure is unlocked is avoided, or the valve plate is continuously acted after the valve rod pushes the valve plate to the adsorption state position, so that the valve plate is damaged, the use stability is good, and the response speed is high.

Drawings

Fig. 1 is a schematic structural diagram of a cooker valve body in embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of a cooker valve body in embodiment 1 of the present invention.

FIG. 3 is a schematic view of the internal structure of the cooking utensil valve body of the present invention.

Fig. 4 is a schematic sectional structure view of a cooker valve body in embodiment 1 of the present invention.

Fig. 5 is a partially enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic structural view of a cooker valve body in embodiment 2 of the present invention.

Fig. 7 is a schematic sectional structure view of a cooker valve body in embodiment 2 of the present invention.

Fig. 8 is a partially enlarged view of a portion B in fig. 7.

Description of reference numerals:

valve stem 1

Projecting end 11

Electromagnetic valve 2

First coil 21

Valve plate 22

Sealing cover 23

Magnetic component 3

Second coil 31

Sensing device 32

Connecting rod 32'

Contacting portion 321'

Outer casing 4

Sealing plate 5

Elastic element 6

Children's lock 7

Ejector rod 8

Push arm 9

Detailed Description

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

Example 1

As shown in fig. 1-5, the embodiment provides a stove valve body, which includes a housing 4, a valve rod 1 and a solenoid valve 2, wherein the valve rod 1 and the solenoid valve 2 are both disposed inside the housing 4, as shown in fig. 5, the solenoid valve 2 includes a first coil 21 and a valve plate 22, and an end 21a of the first coil 21 is used for adsorbing the valve plate 22.

The cooker valve body further comprises a magnetic component 3, the magnetic component 3 comprises a second coil 31 and a driving piece (not shown in the figure), wherein the second coil 31 is arranged on the same side of the first coil 21 relative to the valve plate 22, namely the left side position of the valve plate 22 in fig. 5; the driving piece sets up near valve rod 1, when valve rod 1 pushed down to first degree of depth, can trigger the driving piece in order to produce the signal, and second coil 31 increases the magnetic attraction to valve block 22 based on above-mentioned signal.

This cooking utensils valve body has add the second coil 31 that can produce extra adsorption affinity in the solenoid valve 2 structure originally, makes valve block 22 of solenoid valve 2 can trigger the second coil 31 to certain degree of depth based on pushing down of valve rod 1 when removing to the distance nearer from first coil 21, increases magnetic attraction for valve block 22 is adsorbed on first coil 21, makes the solenoid valve realize the mesh of actuation. That is, move to a certain position through valve rod 1, and increase the magnetic attraction of valve block 22 towards first coil 21 side, with the purpose that makes valve block 22 move to the position of adsorption state through the mode of magnetism, need not like prior art, set up the overlength with children's lock 7 and avoid when children's lock 7 is untied solenoid valve 2 not yet by valve rod 1 to the problem of actuation state, or still continuously exert the effort to valve block 22 after valve rod 1 pushes up valve block 22 to actuation state position, lead to the problem that valve block 22 damaged, through the mode that adopts extra coil, good use stability, do not need too much mechanical structure, and improved use stability, response speed is also fast.

The stove valve body in the embodiment also comprises a mandril 8 and a child lock 7. As shown in fig. 3, when the valve rod 1 is pressed down, the bottom of the valve rod 1 pushes one end of the push rod 8 close to the valve rod 1 to rotate downwards, so that one end (i.e. the push arm 9) of the push rod 8 close to the electromagnetic valve 2 can push the valve sheet 22 to move towards the direction close to the first coil 21; as shown in fig. 2, the child lock 7 is used to restrict the rotation of the valve stem 1, and only when the valve stem 1 is depressed to the second depth, the valve stem 1 moves out of the limit range of the child lock 7, so that the valve stem 1 releases the rotation restriction.

In this embodiment, the second depth of the valve rod 1 being pressed down is greater than the first depth, so that the valve plate 22 is sucked before the valve rod 1 moves out of the limit range of the child lock 7.

Further, the driving part of the stove valve body is a sensing device 32, the sensing device 32 is arranged on the inner side wall of the shell 4 close to the valve rod 1, the sensing device 32 is a contact switch, and after the sensing device 32 is arranged at a specific position, the sensing device 32 is pressed down based on the extending end 11 connected to the valve rod 1, so that the sensing device 32 can detect whether the valve rod 1 is located at the first depth. The sensing means 32 is electrically connected to the second coil 31. When the valve stem 1 is at the first depth, the sensing device 32 can transmit an induction signal to the second coil 31, and the second coil 31 conducts the current of the coil circuit or the boosting coil circuit based on the induction signal. The depth signal of the valve rod 1 is transmitted through the sensing device 32, the response speed is higher, meanwhile, the arrangement of the sensing device 32 can be completed through an internal circuit, and excessive or overlarge structures do not need to occupy the internal space of the stove valve body; the second coil 31 conducts the circuit or increases the current of the coil circuit based on the induction signal, so as to generate or increase the adsorption force of the valve plate 22. In addition, in the present embodiment, the sensing device 32 is also electrically connected to the ignition needle for the purpose of synchronously igniting when the sensing device 32 is triggered.

As shown in fig. 5, in the present embodiment, the solenoid valve 2 further includes a sealing cover 23, and the first coil 21 and the valve sheet 22 are both disposed inside the sealing cover 23. The second coil 31 sets up in the lateral surface that is close to first coil 21 of sealed cowling 23, makes things convenient for the later stage to add to the solenoid valve 2 that does not have second coil 31, also does benefit to the maintenance of independent coil simultaneously, convenient dismantlement. Further, the second coil 31 is annularly disposed on the outer side surface of the first coil 21 to generate an even adsorption force to the valve plate 22, so as to prevent the valve plate 22 from deflecting during the moving process. Of course, in other embodiments, the second coil 31 may have other shapes, or the second coil 31 may be disposed at other positions relative to the first coil 21.

In addition, the cooking utensils valve body in this embodiment still is provided with the closing plate 5, and the outer edge and the interior edge of closing plate 5 are connected to the inside wall of shell 4 and the lateral wall of sealed cowling 23 respectively, enclose into sealed area with shell 4 and sealed cowling 23 jointly, seal second coil 31, avoid gas or other materials that can harm the coil to flow to second coil 31 department.

In other embodiments, the second coil 31 may also be disposed inside the sealing cover 23, so as to realize integration with the first coil 21, and the sealing cover 23 can simultaneously seal the two coils, and the second coil 31 is closer to the first coil 21, which is also beneficial to generating a better adsorption effect on the valve plate 22.

Example 2

As shown in fig. 6 to 8, the structure of the valve body of the cooker in this embodiment is substantially the same as that in embodiment 1, except that another embodiment is provided in which the driving member drives the second coil to increase the magnetic attraction force on the valve plate: in this embodiment, the driving member includes a connecting rod 32 ', one end of the connecting rod 32 ' is disposed near the valve stem 1, and the other end of the connecting rod 32 ' is connected to the second coil 31; when the valve rod 1 is located at the first depth, the valve rod 1 drives the second coil 31 to move towards the direction close to the valve plate 22 through the connecting rod 32', for example, in this embodiment, the second coil 31 is driven to move towards the direction perpendicular to the moving direction of the valve plate 22, so as to achieve the purpose of approaching to the valve plate 22. The linkage between the valve rod 1 and the second coil 31 is realized through the connecting rod 32' to enhance the adsorption force on the valve plate 22, and the linkage effect is more reliable. Also, in the present embodiment, the link 32' and the second coil 31 can be synchronously moved in the depression direction of the valve stem 1.

Further, one end of the link 32 'has a contact portion 321', and the contact portion 321 'is disposed at an inner sidewall of the housing 4 near the valve stem 1, and the valve stem 1 can press down the contact portion 321'. The contact portion 321 'is provided to achieve abutment between the valve stem 1 and the connecting rod 32', so that the connecting rod 32 'can sense the motion state of the valve stem 1 through the contact portion 321' to achieve a linkage effect.

In addition, an elastic element 6 is arranged between the other end of the connecting rod 32' and the housing 4, and when the valve rod 1 is positioned at the first depth, the elastic element 6 is in a compressed state. The elastic member 6 is provided to achieve a driving force of the link 32 'to move upward, and a force of upward movement is required when the link 32' needs to be restored to the initial state, i.e., the state before the valve stem 1 is moved downward.

When the valve rod 1 is pressed down to the first depth, the valve rod 1 drives the second coil 31 to move towards the direction close to the valve plate 22 through the connecting rod 32', the second coil 31 is close to the valve plate 22, and the adsorption effect on the valve plate 22 is further enhanced. And, when the link 32 'needs to be restored to the initial state where the solenoid valve 2 is not attracted, the elastic member 6 provides an upward pushing force to restore the link 32' to its initial state.

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. The utility model provides a cooking utensils valve body, its includes valve rod and solenoid valve, the solenoid valve includes first coil and valve block, first coil is used for adsorbing the valve block, its characterized in that, the cooking utensils valve body still includes magnetism and inhales the subassembly, magnetism is inhaled the subassembly and is included:

2. The cooktop valve of claim 1, further comprising a housing, wherein the valve stem and the solenoid valve are both located inside the housing, wherein the drive member comprises a sensing device disposed on an inner sidewall of the housing proximate to the valve stem, wherein the sensing device is capable of detecting whether the valve stem is located at the first depth, wherein the sensing device is electrically connected to the second coil;

3. The cooktop valve body of claim 2, wherein the solenoid valve comprises a sealing cover, the first coil and the valve plate are disposed inside the sealing cover, and the second coil is also disposed inside the sealing cover.

4. The cooking stove valve body according to claim 2, wherein the electromagnetic valve comprises a sealing cover, the first coil and the valve plate are arranged inside the sealing cover, and the second coil is arranged on the outer side face, close to the first coil, of the sealing cover.

5. The cooktop valve body of claim 3 or 4, wherein the second coil ring is disposed on an outer side of the first coil.

6. The cooktop valve body of claim 2, wherein the drive member comprises a link rod, one end of the link rod disposed proximate to the valve stem, the other end of the link rod connected to the second coil;

7. The cooktop valve of claim 6, wherein the link and the second coil are synchronously movable in a depression direction of the valve stem.

8. The cooktop valve of claim 6, wherein an end of the connecting rod has a contact disposed at an inner sidewall of the housing proximate to the valve stem, the valve stem being capable of depressing the contact at the first depth.

9. The cooktop valve of claim 6, wherein an elastic element is disposed between the other end of the connecting rod and the housing, the elastic element being in a compressed state when the valve stem is at the first depth.

10. The cooktop valve of claim 4 or 6, further comprising a sealing plate having an outer edge and an inner edge connected to the inner sidewall of the outer shell and the outer sidewall of the sealing cap, respectively, the sealing plate and the outer shell and the sealing cap together defining a sealing region, the second coil being located within the sealing region.

11. The cooktop valve of claim 1, further comprising a child lock for rotationally restricting the valve stem, the child lock un-restricting rotation of the valve stem when the valve stem is depressed to a second depth, and the second depth being greater than the first depth.

12. The stove valve body of claim 1, further comprising a top rod, when the valve rod is pressed down, the bottom of the valve rod pushes one end of the top rod to rotate, and a push arm arranged at the other end of the top rod can push the valve plate to move towards the first coil.