CN219588168U - Ignition valve and gas stove - Google Patents

Abstract

The utility model discloses an ignition valve and a gas stove, wherein the ignition valve comprises a valve seat, an electromagnetic valve, a thermocouple, a microswitch and a transmission component, a cock valve body and a pressing part are arranged on the valve seat, an air cavity is arranged on the valve seat, the electromagnetic valve is arranged in the air cavity, the thermocouple is arranged on the valve seat and is electrically connected with the electromagnetic valve, the transmission component comprises a transmission rod and a crank, one end of the crank is rotationally connected with the inner wall of the air cavity through an elastic piece, the other end of the crank extends to a valve cover close to the electromagnetic valve, the transmission rod is vertically and slidably arranged on the valve seat through an elastic piece, the upper end of the transmission rod is distributed below the pressing part, the lower end of the transmission rod extends into the air cavity and is positioned close to the upper end of the crank, the microswitch is arranged on the valve seat, a movable contact point of the microswitch is positioned below the pressing part, and after the cock valve body is pressed downwards to move a certain distance, and the crank is pushed downwards to rotate to the valve cover of the electromagnetic valve, and when the pressing depth is too large, the crank is rotated to be away from the lower than the lower part of the transmission rod, so that the valve cover is prevented from damaging the valve cover of the electromagnetic valve.

Description

Ignition valve and gas stove

Technical Field

The utility model relates to the technical field of ignition safety timing of gas stoves, in particular to an ignition gas valve and a gas stove.

Background

The current cooking utensils combustor is through the knob of rotatory gas valve to control the firepower of cooking utensils, before the ignition, must be through pushing down the mode of knob a certain distance, open the electromagnetic valve of gas valve through the ejector pin that links to each other with the knob, need press the knob and just can open, prevent that the unexpected valve of opening of children from causing the gas leakage accident.

When the user pushes down and rotates the knob to ignite, the habit that the user pressed the valve is different leads to pressing the degree of depth difference, and the deeper degree of depth of pressing probably leads to the user to unbuckle the child lock and continue the roof pressure valve gap to cause the solenoid valve harm after pushing up the solenoid valve completely, and this kind of harm can lead to the leakproofness of solenoid valve to reduce, life shortens scheduling problem.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an ignition valve, which comprises a valve seat, an electromagnetic valve, a thermocouple, a microswitch and a transmission component, wherein a cock valve body and a pressing part are arranged on the valve seat, an air cavity is arranged on the valve seat, the electromagnetic valve is arranged in the air cavity, the thermocouple is arranged on the valve seat and is electrically connected with the electromagnetic valve, the transmission component comprises a transmission rod and a crank, one end of the crank is rotationally connected with the inner wall of the air cavity through an elastic piece, the other end of the crank extends to a valve cover close to the electromagnetic valve, the transmission rod is vertically and slidably arranged on the valve seat through the elastic piece, the upper end of the transmission rod is distributed below the pressing part, the lower end of the transmission rod extends into the air cavity and is positioned close to the upper end of the crank, and the microswitch is arranged on the valve seat and has a movable contact below the pressing part.

The technical scheme adopted by the implementation of the utility model for solving the technical problems is as follows: the micro switch upper end is equipped with moves the shell fragment, move the one end of shell fragment with micro switch rotates to be connected, and the other end is placed moving the contact upper end, it still is equipped with the bolster to move the shell fragment other end, press and be used for passing through the bolster promotes move the shell fragment triggers moving the contact.

The technical scheme adopted by the implementation of the utility model for solving the technical problems is as follows: the buffer piece is the shell fragment, the buffer piece includes vertical portion, vertical portion is vertical to be installed move shell fragment upper end, and its upper end towards being close to the direction of cock valve body is buckled and is formed the kink.

The technical scheme adopted by the implementation of the utility model for solving the technical problems is as follows: the one end downward sloping setting of moving the shell fragment is kept away from to the kink, it is equipped with the inclined plane to press the lower extreme, the kink distributes the below on inclined plane, just the contained angle of inclined plane and horizontal plane is greater than the contained angle of kink and horizontal plane.

The utility model also provides a gas stove which comprises a shell, a plurality of furnace heads arranged on the shell and a plurality of ignition valves, wherein the gas outlet channels of the ignition gas valves are respectively communicated with the gas inlets of the distributor in a one-to-one correspondence manner, and the thermocouples are respectively used for correspondingly detecting the temperature of the furnace heads.

Preferably, the electromagnetic valve further comprises a timer, and the timer is electrically connected with the electromagnetic valve.

The utility model has the beneficial effects that:

when the cock valve body is pressed downwards to move a certain distance, the transmission rod pushes the crank to rotate downwards until the valve cover of the electromagnetic valve is opened, the crank rotates to be away from the lower part of the transmission rod, and even if the cock valve body is pressed downwards, the crank rotates to be away from the lower part of the transmission rod, so that the damage to the valve cover of the electromagnetic valve is avoided.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will be apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is an exploded view of a gas range according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a gas stove according to an embodiment of the present utility model;

FIG. 3 is a side view of an ignition valve according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of an ignition valve according to an embodiment of the present utility model;

FIG. 5 is a second schematic diagram of an ignition valve according to an embodiment of the present utility model;

FIG. 6 is an exploded view of the structure of the ignition valve according to the embodiment of the present utility model;

fig. 7 is a cross-sectional view of an ignition valve according to an embodiment of the present utility model.

1. A first valve seat; 11. an air intake passage; 12. an air outlet channel; 13. a pressing part; 131. an inclined plane; 2. a second valve seat; 3. a tap valve body; 4. an electromagnetic valve; 5. a thermocouple; 6. a micro-switch; 7. a transmission assembly; 71. a transmission rod; 72. a crank; 8. a movable spring plate; 9. a buffer member; 91. a vertical portion; 92. a bending part;

100. a housing; 200. a burner; 300. an ignition valve.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1-2, a gas stove according to the present embodiment includes a housing 100, a plurality of burners 200 and a plurality of ignition valves 300 disposed on the housing 100, gas outlet channels of the ignition valves 300 are respectively in one-to-one correspondence with gas inlets of the burners 200, and thermocouples 5 are respectively used for correspondingly detecting temperatures of the burners 200.

Referring to fig. 3-7, an embodiment 1 of the present utility model is proposed, the ignition valve 300 of the embodiment 1 comprises a first valve seat 1, a second valve seat 2, a cock valve body 3, a solenoid valve 4, a thermocouple 5 and a micro switch 6, wherein the first valve seat 1 is provided with a valve cavity, an air inlet channel 11 and an air outlet channel 12 which are communicated with the valve cavity, the cock valve body 3 is installed on the first valve seat 1 and stretches into the valve cavity, the second valve seat 2 is installed on one side of the first valve seat 1, a first through hole 21 which is communicated with the air outlet channel 12 and a second through hole 22 which is communicated with the valve cavity are arranged on the second valve seat 2, the solenoid valve 4 is installed in the second valve seat 2, the valve body thereof blocks the first through hole 21, the thermocouple 5 is installed on the second valve seat 2 and is electrically connected with the solenoid valve 4, the first valve seat 1 is provided with a pressing part 13 which can move up and down, the micro switch 6 is installed on the second valve seat 2, the movable contact point is located below the pressing part 13, the second valve seat 2 is provided with a second through hole 21 which is communicated with the valve cavity, and the second through hole 21 is used for driving the valve seat 7.

Specifically, the transmission assembly 7 includes a transmission rod 71 and a crank 72, one end of the crank 72 is provided with a rotating shaft, the rotating shaft is rotatably connected with the inner wall of the air cavity through an elastic member, the other end of the rotating shaft extends to a valve body close to the electromagnetic valve 4, and the transmission rod 71 is vertically slidably mounted on the second valve seat 2 through an elastic member (not shown in the figure) and extends into the air cavity to be close to the upper end of the crank 72.

After the external force presses down and rotates the cock valve body 3, the pressing portion 13 moves down and presses down the transmission rod 71, the transmission rod 71 pushes the crank 72 to rotate, and the crank 72 pushes the valve body of the electromagnetic valve 4 to move away from the first through hole 121, so as to open the first through hole 121 to send the fuel gas into the air outlet channel 12.

The pressing depth of the cock valve body 3 required for triggering the trigger point of the micro switch 6 is greater than or equal to the pressing depth of the completely-propped open electromagnetic valve 4, the crank 72 is in a V shape, and since the upper end of the transmission rod 71 is positioned higher than the trigger point of the micro switch 6, after the cock valve body 3 is pressed down, the action part firstly enables the crank 72 to push the crank 72 to rotate to push the valve cover of the electromagnetic valve 4 until the valve cover of the electromagnetic valve 4 is opened, so that the electromagnetic valve 4 can be completely pushed open, the ignition stability is ensured, at the moment, the crank 72 rotates away from the transmission rod 71, and even if the cock valve body 3 is continuously pressed to trigger the micro switch, the transmission rod 71 does not continuously push the crank 72 to prop the valve cover of the electromagnetic valve 4, thereby avoiding damaging the valve cover of the electromagnetic valve 4.

The gas stove is provided with the timer, the timer is respectively electrically connected with the electromagnetic valves 4, the timing length range of the timer is 1-180min, when a user uses, the timer can be used for setting the preset combustion duration of the electromagnetic valve 4 corresponding to any burner, when the power-on duration of the electromagnetic valve, namely the combustion time of the burner reaches the preset combustion duration, the electromagnetic valve 4 is powered off, the use is safer, the user is assisted to cook food for a long time, and the gas stove is more practical and safer. And avoid forgetting to close the gas stove, avoid the potential safety hazard that the burning time overlength leads to.

Further, in order to ensure that the pressing part 13 can accurately trigger the movable contact 61 of the micro switch 6, a movable elastic sheet 8 is arranged at the upper end of the micro switch 6, one end of the movable elastic sheet 8 is rotationally connected with the micro switch 6, the other end of the movable elastic sheet is placed at the upper end of the movable contact 61, a buffer part 9 is further arranged at the upper end of the other end of the movable elastic sheet 8, and the pressing part 13 is used for pushing the movable elastic sheet 8 to trigger the movable contact 61 through the buffer part 9, so that the situation that the elastic sheet is fatigued, bent, deformed or broken due to excessive force application is avoided.

In this embodiment, the buffer member 9 is a spring plate, the buffer member 9 includes a vertical portion 91, the vertical portion 91 is vertically mounted at an upper end of the movable spring plate 8, and an upper end of the vertical portion is bent in a direction close to the second valve seat 2 to form a bending portion 92, after the cock valve body 3 is pressed downwards, the pressing portion 13 is contacted with the bending portion 92 first and then buffers the pressing portion 13, the pressing portion 13 continues to move downwards to contact with the vertical portion and then moves downwards to reach the vertical portion 91, and the pressing portion 13 pushes the bending portion 92 and the vertical portion 91 to move downwards at the same time so as to press the movable spring plate 8 downwards.

In the present utility model, one end of the bending portion 92 away from the movable elastic sheet 8 is disposed obliquely downward, an inclined surface 131 is disposed at the lower end of the pressing portion 13, the bending portion 92 is disposed below the inclined surface 131, the vertical portion 91 is disposed outside the inclined surface 131, and an included angle between the inclined surface 131 and a horizontal plane is larger than an included angle between the bending portion 92 and the horizontal plane.

The pressing portion 13 is first contacted with the bending portion 92, the pressing portion 13 continues to move downwards, the bending portion 92 continues to bend downwards under the action of the inclined surface 131 so as to achieve the buffering effect on the pressing portion 13, until the bending portion 92 is completely attached to the pressing portion, and after the pressing portion 13 contacts with the upper end of the bending portion 92, the bending portion 92 and the vertical portion 91 are simultaneously pushed to move downwards so as to achieve downward pressing of the movable spring piece 8.

Referring to the drawings, the lower end of the pressing portion 13 is further provided with a groove 132 matching with the transmission rod 71, and the transmission rod 71 extends into the groove 132, so as to ensure that the pressing portion 13 can smoothly trigger the electromagnetic valve through the transmission rod 71.

The operating principle of the ignition valve 300 in this embodiment is as follows: after the external force presses down and rotates the cock valve body, the air inlet channel 11 conveys the fuel gas into the air cavity through the valve cavity and the second through hole 22, and simultaneously pushes the valve body of the electromagnetic valve 4 away from the first through hole 21 through the transmission component 7, so that the fuel gas is conveyed from the air cavity to the air outlet channel 12 through the first through hole 121, and the pressing part 13 acts down and triggers the movable contact of the micro switch 6 to start ignition; after the external force is removed, the pressing portion 13 returns to its original position, and the crank 72 and the transmission rod 71 return to their original positions under the action of the elastic members, respectively.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims (6)

1. The utility model provides an ignition valve, its characterized in that includes disk seat, solenoid valve (4), thermocouple (5), micro-gap switch (6) and drive assembly (7), install cock valve body (3) and pressing part (13) on the disk seat, be equipped with the air cavity on the disk seat, solenoid valve (4) are installed in the air cavity, thermocouple (5) are installed on the disk seat and with solenoid valve (4) electricity is connected, drive assembly (7) include transfer line (71) and crank (72), one end of crank (72) pass through the elastic component with the inner wall rotation of air cavity is connected, and its other end extends to be close to the valve gap of solenoid valve (4), transfer line (71) are through the elastic component vertical and slidable mounting on the disk seat, the upper end of transfer line (71) distributes pressing part (13) below, its lower extreme stretches into in the air cavity and is located near the position of crank (72) upper end, micro-gap switch (6) are installed on the disk seat and its movable contact and are located pressing part (13) below.

2. The ignition valve according to claim 1, wherein a movable spring piece (8) is arranged at the upper end of the micro switch (6), one end of the movable spring piece (8) is rotatably connected with the micro switch (6), the other end of the movable spring piece is placed at the upper end of the movable contact (61), a buffer piece (9) is further arranged at the upper end of the other end of the movable spring piece (8), and the pressing part (13) is used for pushing the movable spring piece (8) to trigger the movable contact (61) through the buffer piece (9).

3. The ignition valve according to claim 2, characterized in that the buffer member (9) is a spring plate, the buffer member (9) comprises a vertical portion (91), the vertical portion (91) is vertically mounted at the upper end of the movable spring plate (8), and the upper end of the vertical portion is bent towards a direction approaching the cock valve body (3) and forms a bending portion (92).

4. An ignition valve according to claim 3, characterized in that one end of the bending part (92) far away from the movable spring piece (8) is arranged in a downward inclined manner, an inclined surface (131) is arranged at the lower end of the pressing part (13), the bending part (92) is distributed below the inclined surface (131), and an included angle between the inclined surface (131) and a horizontal plane is larger than an included angle between the bending part (92) and the horizontal plane.

5. A gas stove, characterized by comprising a shell (100), a plurality of burner heads (200) arranged on the shell (100) and a plurality of ignition valves (300) according to any one of claims 1-4, wherein the gas outlet channels of the ignition valves (300) are respectively communicated with the gas inlets of the burner heads (200) in a one-to-one correspondence manner, and thermocouples (5) are respectively used for correspondingly detecting the temperature of the burner heads (200).

6. The gas cooker as claimed in claim 5, further comprising a timer electrically connected to the solenoid valve.