阅读说明：本技术 用于燃气灶的控制阀及其燃气灶 (Control valve for gas stove and gas stove with control valve ) 是由 罗长兵 罗峰 陈琦 刘凯 潘叶江 于 2019-04-22 设计创作，主要内容包括：本发明公开了一种用于燃气灶的控制阀,包括阀壳体、阀芯、阀盖组件、霍尔元件以及控制组件,所述阀芯设置在阀壳体中,所述阀盖组件设置在阀芯的上方且与阀壳体固接,所述控制组件设置在阀芯与阀盖组件之间,所述阀壳体的侧壁上设置有通槽,所述霍尔元件设置在通槽内且与控制组件配合连接。本发明使用时,通过在阀芯与阀盖组件之间设置控制组件,在阀壳体上设置与控制组件相配合的霍尔元件,有效的避免了在点火的过程中容易出现提前点火和延时点火等与旋钮开关不协调,导致点火失灵、点不着火或点火出现爆燃现象的问题；本发明结构简单紧凑,体积小、精度高,工作可靠,工艺简单、成本低廉,免维护保养；使用寿命长,环保节能。(The invention discloses a control valve for a gas stove, which comprises a valve shell, a valve core, a valve cover assembly, a Hall element and a control assembly, wherein the valve core is arranged in the valve shell, the valve cover assembly is arranged above the valve core and is fixedly connected with the valve shell, the control assembly is arranged between the valve core and the valve cover assembly, a through groove is formed in the side wall of the valve shell, and the Hall element is arranged in the through groove and is in matched connection with the control assembly. When the valve is used, the control assembly is arranged between the valve core and the valve cover assembly, and the Hall element matched with the control assembly is arranged on the valve shell, so that the problems of ignition failure, point misfire or detonation phenomenon caused by the fact that advanced ignition, delayed ignition and the like are inconsistent with a knob switch easily in the ignition process are effectively avoided; the invention has simple and compact structure, small volume, high precision, reliable work, simple process, low cost and no maintenance; long service life, environmental protection and energy saving.)

1. The utility model provides a control valve for gas-cooker, its characterized in that, includes valve case (1), case (2), valve gap subassembly (3), hall element (4) and control assembly (5), valve case (1) has hollow inner chamber, case (2) set up in the inner chamber of valve case (1), valve gap subassembly (3) set up in the top of case (2) and with valve case (1) rigid coupling, control assembly (5) set up between case (2) and valve gap subassembly (3), be provided with logical groove (11) on the lateral wall of valve case (1), lead to groove (11) intercommunication valve case (1) outside and inner chamber, hall element (4) set up in leading to groove (11) and correspond the cooperation with control assembly (5).

2. The control valve for the gas stove according to claim 1, wherein the valve cover assembly (3) comprises a valve cover (31), a rotating shaft (32), a fixing plate (33), an elastic assembly (34) and an opening check ring (35), the rotating shaft (32) penetrates through a central hole of the valve cover (31), the elastic assembly (34) and the opening check ring (35) are sleeved at a penetrating end of the rotating shaft (32), the fixing plate (33) and the opening check ring (35) are respectively arranged at the penetrating end and the penetrating end of the rotating shaft (32), and the valve cover (31) is fixedly connected with the valve housing (1).

3. The control valve for the gas stove is characterized in that the lower end of the valve cover (31) is provided with a cylindrical table (311), a notch (3111) is formed in the cylindrical table (311), a long drum-shaped boss (321) is arranged at the penetrating end of the rotating shaft (32), a long drum-shaped hole (331) is formed in the middle of the fixing plate (33), a wing piece (332) is horizontally and outwards arranged on the outer side of the fixing plate (33), the long drum-shaped boss (321) in the middle of the fixing plate (33) is sleeved in the long drum-shaped boss (321) at the penetrating end of the rotating shaft (32), and the wing piece (332) is attached to the notch (3111) in the cylindrical table (311).

4. A control valve for gas range as claimed in claim 3, wherein an annular groove (322) is provided on the side wall of the outlet end of the rotary shaft (32), and the opening retainer ring (35) is provided in the annular groove (322) for restricting the elastic assembly from being separated from the rotary shaft (32).

5. The control valve for the gas stove is characterized in that the elastic assembly (34) comprises a spring (341), a spring gasket (342) and an elastic gland (343), the spring gasket (342), the spring (341) and the elastic gland (343) are sequentially sleeved at the penetrating end of the rotating shaft (32) from bottom to top, and the opening retainer ring (35) abuts against the elastic gland (343).

6. The control valve for the gas stove is characterized in that the control assembly (5) comprises a shifting piece (51) and a magnetic part (52), a notch platform (21) is arranged at the upper end of the valve core (2), the shifting piece (51) and the magnetic part (52) are sequentially sleeved on the notch platform (21) from bottom to top, a protruding hole (511) is horizontally and outwardly formed in the outer side of the shifting piece (51), and the magnetic part (52) is arranged in the protruding hole (511) and is abutted to the Hall element (4).

7. The control valve for the gas stove is characterized in that a connecting spring (53) is further arranged above the shifting sheet (51), one end of the connecting spring (53) is abutted with the shifting sheet (51), and the other end of the connecting spring (53) is abutted with the fixed sheet (33).

8. A gas burner, characterized in that, comprises a gas burner body, a controller and a control valve according to any one of claims 1-6, wherein the control valve is arranged in the gas burner body, and a hall element in the control valve is connected with the controller.

Technical Field

The invention belongs to the technical field of kitchen appliances, and particularly relates to a control valve for a gas stove and the gas stove.

Background

The control valve of the gas range is the main constructional part of the gas range, the domestic gas range in the present market generally uses the plug valve to control the opening and closing of the range and adjust the firepower, the plug valve usually includes valve block, valve core, valve shaft, valve bonnet and microswitch, etc.; the working process is as follows: the valve shaft (namely the rotating shaft) is pressed to rotate, the rotating shaft drives the fixing plate, the shifting sheet and the valve core to rotate, the fixing plate initially starts to position and has the function of child lock, the shifting sheet plays a role in controlling ignition of the igniter, the shifting sheet shifts a spring sheet of the microswitch to enable the microswitch to be opened/closed, and the microswitch is opened/closed to enable the igniter to ignite/close; the valve core is movably assembled with the valve body, and plays the roles of on/off of the gas channel and controlling the gas flow of the gas channel under the driving of the rotating shaft. In the control process, due to the action of the microswitch elastic sheet, an over-stroke position and a differential stroke position exist, so that the phenomena of advanced ignition, delayed ignition and the like of the ignition of the cooker and the phenomenon of incongruity of a knob switch occur, and the phenomena cause the phenomena of ignition failure, point misfire or deflagration of the ignition of the cooker; in addition, the microswitch is exposed out of the valve body, and is easy to lose efficacy under long-term severe environment, so that the cooker cannot be used. Especially, in the aspect of accurate control of the firepower of the cooker, the requirement of the accurate control of the cooker cannot be met due to the limitation of the structure of the microswitch.

Disclosure of Invention

The invention aims to provide a control valve for a gas stove, which solves the problems that in the prior art, in the ignition process, advanced ignition, delayed ignition and the like are easy to occur and are not coordinated with a knob switch, so that the ignition is failed, the ignition is not ignited, or the ignition is deflagrated.

The invention further aims to provide a gas stove, and the control valve is applied to the gas stove, so that the accuracy of the stove is effectively improved.

The technical scheme adopted by the invention is as follows: the utility model provides a control valve for gas-cooker, includes valve case, valve gap subassembly, hall element and control assembly, the valve case has hollow inner chamber, the case sets up in the inner chamber of valve case, the valve gap subassembly set up in the top of case and with the valve case rigid coupling, control assembly sets up between case and valve gap subassembly, be provided with logical groove on the lateral wall of valve case, lead to the outside and the inner chamber of groove intercommunication valve case, hall element sets up and just corresponds the cooperation with control assembly at logical inslot.

Preferably, the valve gap subassembly includes valve gap, pivot, stationary blade, elastic component, trompil retaining ring, the pivot is worn to locate in the center hole of valve gap, elastic component, cover are established at the end of wearing out of pivot, stationary blade and trompil retaining ring set up respectively at the end of wearing in and the end of wearing out of pivot, valve gap and valve case rigid coupling.

Preferably, the lower extreme of valve gap is provided with a cylinder platform, be provided with the breach on the cylinder platform, the department of penetrating the pivot is provided with long drum shape boss, the middle part of stationary blade is provided with long drum shape hole, the outside level of stationary blade outwards extends and is provided with the fin, the long drum shape boss cover at stationary blade middle part is established and is just in the long drum shape boss of pivot penetrating end the fin laminating is in the breach to the cylinder platform.

Preferably, an annular groove is formed in the side wall of the penetrating end of the rotating shaft, and the opening retainer ring is arranged in the annular groove and used for limiting the elastic assembly to be separated from the rotating shaft.

Preferably, the elastic component includes spring, spring washer and elastic gland, spring washer, spring, elastic gland establish in proper order the department of wearing out the end at the pivot from supreme down, just trompil retaining ring and elastic gland looks butt.

Preferably, the control assembly comprises a shifting sheet and a magnetic part, a notch table is arranged at the upper end of the valve core, the shifting sheet and the magnetic part are sequentially sleeved on the notch table from bottom to top, a protruding hole is horizontally and outwardly formed in the outer side of the shifting sheet, and the magnetic part is arranged in the protruding hole and abutted to the hall element.

Preferably, a connecting spring is further arranged above the shifting piece, one end of the connecting spring is abutted against the shifting piece, and the other end of the connecting spring is abutted against the fixed piece.

The gas stove comprises a gas stove body, a controller and the control valve, wherein the control valve is arranged in the gas stove body, and a Hall element in the control valve is connected with the controller.

Compared with the prior art, when the ignition valve is used, the control assembly is arranged between the valve core and the valve cover assembly, and the Hall element matched with the control assembly is arranged on the valve shell, so that the problems of ignition failure, point misfire or detonation phenomenon caused by the fact that advanced ignition, delayed ignition and the like are inconsistent with a knob switch easily in the ignition process are effectively avoided; the invention has simple and compact structure, small volume, high precision, reliable work, simple process, low cost and no maintenance; long service life, environmental protection and energy saving.

Drawings

Fig. 1 is a sectional view of a control valve for a gas range according to embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a control valve for a gas stove according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a valve cover assembly in a control valve for a gas range according to embodiment 1 of the present invention;

fig. 4 is an exploded view of a valve cover assembly in a control valve for a gas range according to embodiment 1 of the present invention;

fig. 5 is an exploded view of a control valve for a gas range according to embodiment 1 of the present invention;

fig. 6 is a schematic structural diagram of a plectrum in a control valve for a gas stove, provided by embodiment 1 of the present invention.

The novel valve comprises a valve housing 1, a valve core 11, a through groove 2, a notch table 21, a notch table 3, a valve cover assembly 31, a valve cover 311, a cylindrical table 3111, a notch 32, a rotating shaft 321, a long drum-shaped boss 322, an annular groove 322, a fixing piece 33, a long drum-shaped hole 331, a wing piece 332, an elastic assembly 34, an elastic assembly 341, a spring 342, a spring gasket 343, an elastic gland 35, an opening retainer ring 331, a clamping groove 34, a rack limiting groove 34, a Hall element 4, a control assembly 5, a shifting piece 51, a magnetic piece 52 and a connecting spring 53.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The control valve for the gas stove provided by the embodiment 1 of the invention is shown in fig. 1, fig. 2 and fig. 5, and comprises a valve shell 1, a valve core 2, a valve cover assembly 3, a hall element 4 and a control assembly 5, wherein the valve shell 1 is provided with a hollow inner cavity, the valve core 2 is arranged in the inner cavity of the valve shell 1, the valve cover assembly 3 is arranged above the valve core 2 and is fixedly connected with the valve shell 1, the control assembly 5 is arranged between the valve core 2 and the valve cover assembly 3, a through groove 11 is arranged on the side wall of the valve shell 1, the through groove 11 is communicated with the outer part and the inner cavity of the valve shell 1, and the hall element 4 is arranged in the through groove 11 and is;

when the structure is adopted, the control assembly 5 is arranged between the valve core 2 and the valve cover assembly 3, and the Hall element 4 matched with the control assembly 5 is arranged on the valve shell 1 to replace the control mode of triggering the micro switch in the existing control valve, so that the problems of ignition failure, point misfire or detonation phenomenon caused by the fact that advance ignition, delayed ignition and the like are not coordinated with a knob switch easily in the ignition process are effectively avoided; the structure is simple and compact, the volume is small, the precision is high, the work is reliable, the process is simple, the cost is low, and the maintenance is free; long service life, environmental protection and energy saving.

Further, as shown in fig. 3 and 4, the valve cover assembly 3 includes a valve cover 31, a rotating shaft 32, a fixing piece 33, an elastic assembly 34, and an opening retainer ring 35, the rotating shaft 32 penetrates through a central hole of the valve cover 31, the elastic assembly 34 and the opening retainer ring are sleeved on the penetrating end of the rotating shaft 32, the fixing piece 33 and the opening retainer ring 35 are respectively disposed on the penetrating end and the penetrating end of the rotating shaft 32, and the valve cover 31 is fixedly connected to the valve housing 1.

Further, the lower end of the valve cover 31 is provided with a cylindrical table 311, the cylindrical table 311 is provided with a notch 3111, the penetrating end of the rotating shaft 32 is provided with a long drum-shaped boss 321, the middle part of the fixing plate 33 is provided with a long drum-shaped hole 331, the outer side of the fixing plate 33 horizontally extends outwards and is provided with a wing 332, the long drum-shaped hole 331 in the middle part of the fixing plate 33 is sleeved in the long drum-shaped boss 321 at the penetrating end of the rotating shaft 32, and the wing 332 is attached to the notch 3111 on the cylindrical table 311.

Further, an annular groove 322 is formed in a side wall of the penetrating end of the rotating shaft 32, and an opening retainer ring 35 is disposed in the annular groove 322 for limiting the elastic component from being separated from the rotating shaft 32.

Further, the elastic assembly 34 includes a rotating shaft spring 341, a spring washer 342 and an elastic gland 343, the spring washer 342, the rotating shaft spring 341 and the elastic gland 343 are sequentially sleeved at the penetrating end of the rotating shaft 32 from bottom to top, and the opening retainer ring 35 abuts against the elastic gland 343.

Further, as shown in fig. 5 and 6, the control assembly 5 includes a shifting piece 51 and a magnetic member 52, the upper end of the valve core 2 is provided with a notch table 21, the shifting piece 51 is sleeved on the notch table 21, an outward side of the shifting piece 51 extends horizontally and outwardly to be provided with a protruding hole 511, and the magnetic member 52 is disposed in the protruding hole 511.

Further, the magnetic member is preferably a magnet.

Further, as shown in fig. 1 and 5, a connecting spring 53 is further disposed above the pushing piece 51, one end of the connecting spring 53 abuts against the pushing piece 51, and the other end abuts against the fixing piece 33, so that the pushing piece 51 is prevented from being sleeved on the notch table 21.

The working process of the control valve for the gas stove provided by the embodiment 1 of the invention is as follows:

the rotating shaft 32 is pressed down, the fixing piece 33 leaves the notch 3111 at the bottom end of the valve cover 31 under the thrust action of the rotating shaft 32 and rotates anticlockwise (the notch 3111 and the special design of the cylindrical table 311 enable the fixing piece 33 to rotate only anticlockwise, when the rotating shaft 32 is not pressed down, the fixing piece 33 extends out of the wing piece 331 to be clamped in the notch 3111 at the bottom end of the valve cover 31 to limit the rotation, namely, the 'child lock' action), the flat part at the lower end of the rotating shaft 32 extends into the cylindrical notch table 21 at the upper end of the valve core 2 and drives the valve core 2 to rotate together, the notch table 21 at the upper end of the valve core 2 is provided with a shifting piece 51, the shifting piece 51 is provided with a magnetic piece 52, the valve core 2 rotates, the magnetic piece 52 also rotates synchronously with the magnetic piece 52, and the Hall element 4 generates a signal to the controller according to the change of the magnetic field generated by, the controller controls the electromagnetic valve of the gas channel to open and also controls the igniter at the head of the burner to discharge and ignite, after the rotating shaft 32 rotates a certain angle, the gas control hole arranged on the valve core 2 of the rotating shaft is communicated with the gas channel on the valve shell 1, the gas enters the burner through the gas guide pipe from the valve body, and the gas is ignited and burnt when meeting the spark of the igniter discharging and igniting; after use, the rotating shaft 32 is rotated clockwise to return to the initial position, the gas control hole of the valve core 2 is cut off from the gas channel on the valve housing, the burner is extinguished without gas supply, and meanwhile, the magnetic part 52 on the poking piece 51 returns to the position (original position) on the upper part of the hall element 4, due to the action of the magnetic field of the magnet, the hall element 4 generates a signal to the controller, the controller controls the electromagnetic valve of the gas channel to be closed, and the whole gas channel is closed.

The embodiment 2 of the invention provides a gas stove, which comprises a gas stove body, a controller and a control valve as described in the embodiment 1, wherein the control valve is arranged in the gas stove body, and a Hall element in the control valve is connected with the controller;

by applying the control valve described in embodiment 1 to a gas stove, the accuracy of the stove is effectively improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.