CN220870085U

CN220870085U - Magnetic normally open valve structure for kitchen range

Info

Publication number: CN220870085U
Application number: CN202322311448.2U
Authority: CN
Inventors: 叶飞
Original assignee: Hangzhou Qiangbang Precision Machinery Electrical Co ltd
Current assignee: Hangzhou Qiangbang Precision Machinery Electrical Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-30
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to a magnetic normally open valve structure for a kitchen range, which comprises an air distribution rod, wherein the air distribution rod is of a rectangular cross section and is of a tubular structure with two closed ends, a main input port is arranged on one outer side surface of the air distribution rod, a plurality of output ports which are distributed at equal intervals are arranged on the symmetrical outer side surface of the main input port, and the magnetic normally open valves are arranged at the output ports; the magnetic normally open valve comprises a valve seat, a tubular structure with a cylindrical end closed, and a valve cavity with a circular hollow part, wherein an input channel with a circular cross section is arranged on the periphery of the bottom of the valve seat, an output channel is arranged on the other side of the valve seat symmetrical to the input channel, a ring wall with a closed bottom is arranged in the bottom of the valve cavity, and the ring wall is communicated with the output channel; the valve seat gas inlet and outlet through type air passage structure solves the safety problems that in the prior art, the valve pad loss is high and air leakage is easy to occur due to the fact that the valve pad is controlled to conduct only through the valve pad movement.

Description

Magnetic normally open valve structure for kitchen range

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a magnetic normally-open valve structure for a kitchen range.

Background

With the rapid development of science and technology, the living standard of people is increasingly improved, the gas cooker is also being iteratively updated from the old traditional cooker with single function to the intelligent cooker, the gas valve of the current cooker generally adopts an electromagnetic valve to control the on-off of a gas source, and when the gas cooker does not work, the electromagnetic valve is powered off, and the electromagnetic valve plugs a sealing head to block a pipeline so as to prevent gas leakage; when the gas stove works, the electromagnetic valve is provided with a power supply for assisting ignition, and when a user presses an ignition switch, the auxiliary ignition power supply supplies power to the electromagnetic valve, so that the electromagnetic valve attracts the iron sheet, the gas circuit is conducted, and gas flows to the stove to burn, and the work is completed.

After the electromagnetic valve is opened, another set of coil with smaller current is used for electrifying to generate smaller magnetic force, so that the valve rod is sucked to keep a pulled state, the gas pipeline is in an open state for a long time, the gas can continuously flow out of the gas pipeline and burn when the electromagnetic valve is opened, and then normally works, the mode consumes higher energy when the electromagnetic valve is required to keep open for a long time, therefore, the mode usually needs to be connected with mains supply, and the mode needs to be connected with the mains supply to produce a matched module connected with the mains supply.

In the dynamic seal structure high-pressure electromagnetic valve disclosed as CN219345501U, the technical device adopts a mode of combining a valve body and a valve seat of a single electromagnetic valve, the valve seat adopts a structural design with an L-shaped section, an air passage structure between an air inlet and an air outlet of the valve seat is of a strong-obstruction-free structure, the air passage is controlled to be conducted only through valve gasket movement, the loss generated by the valve gasket movement is relatively low when the high-pressure gas is conveyed, the safety problem of air leakage is easily caused for a long time, the structure of the single electromagnetic valve is insufficient for being suitable for kitchen ranges with different types and specifications, and the production cost is relatively high when one kitchen range correspondingly produces one electromagnetic valve.

Disclosure of utility model

The utility model provides a magnetic normally open valve structure for a kitchen, which solves the safety problems that in the prior art, a straight-through type air passage structure of a valve seat gas inlet and outlet controls the valve pad to be high in loss caused by the conduction of a gas passage only through the movement of the valve pad, and air leakage is easy to occur.

According to the problems, the utility model provides the magnetic normally open valve structure for the kitchen range, which is applicable to the high-pressure gas transmission environment, low in production cost, strong in adaptability, good in expansibility and applicable to different kitchen ranges.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A magnetic normally open valve structure for a range, comprising: the air distribution rod is of a tubular structure with a rectangular section and two closed ends, a main input port is arranged on one outer side surface of the air distribution rod, a plurality of output ports distributed at equal intervals are arranged on the outer side surface of the main input port, and magnetic normally open valves are arranged at the output ports; the magnetic normally open valve comprises a valve seat, a tubular structure with one end being sealed and a hollow part being a circular valve cavity, an input channel with a circular cross section is arranged on the periphery of the bottom of the valve seat, an output channel is arranged on the other side of the valve seat symmetrical to the input channel, a ring wall with the sealed bottom is arranged in the bottom of the valve cavity, the ring wall is communicated with the output channel, and the gas distribution rod is connected with a plurality of magnetic normally open valves, so that the magnetic normally open valve is suitable for gas stove equipment of different kinds of stoves with different numbers.

Preferably, the input pipeline and the output pipeline are positioned on the same straight line, the annular wall is positioned between the input channel and the output channel at the bottom of the valve cavity, the input channel is perpendicular to the central axis of the valve cavity, the cross section of the annular wall is circular and coaxial with the valve cavity, the height of the annular wall is higher than the diameter of the input channel and lower than half of the height of the valve cavity, the diameter length range of the annular wall is 0.4 to 0.8 times of the diameter of the cross section of the valve cavity, the annular wall and the input pipeline are both positioned on the same straight line, so that the gas channel is smooth, the gas restarts the other parts of the magnetic normally open valve, the gas leakage phenomenon is reduced, the annular wall is positioned between the input channel and the output channel, the gas of the annular wall is prevented from passing through straight line, the diameter length of the annular wall is 0.4 to 0.8 times of the cross section of the valve cavity, the air pressure between the inlet at the upper end of the annular wall is excessively narrow, the partial air pressure is excessively high, the problem of local aging acceleration is caused, and the edge gas leakage is caused, or the air leakage is excessively wide, the air flow is excessively low, the air flow is prevented from influencing the gas flow speed is reduced, the air flow is effectively influenced by the air flow, the high-blocking efficiency is prevented from the air channel is influenced by the air channel, and the high-blocking efficiency is high, and the air channel is not influenced by the air flow, and the air channel is high, and the air efficiency is high, and the valve is prevented from the air flow, and the air speed is high, and the valve is subjected to the air, and the air speed is high.

The frame is fixed by a first bolt, and a cylindrical tubular specific framework with two through ends is fixedly arranged on the self-supporting frame.

Preferably, the hollow part inside the framework is a guide pipe, an upper top plate is fixed at the top of the guide pipe, a static iron core is further clamped at one end, close to the upper top plate, in the guide pipe, and a second bolt which extends to a valve seat along the guide pipe is further arranged at the center of the upper top plate, and the second bolt is connected and fixed with the static iron core and the upper top plate.

Preferably, an annular magnet is further arranged between the upper top plate and the static iron core, the magnet is a permanent magnet, the movable iron core can be controlled to move only through one electric signal control, therefore, the magnetic normally open valve can be maintained in an on or off state only through power supply of a dry battery, the supply of mains supply for a long time is not needed, the effects of saving cost and low energy consumption are achieved, a cylindrical movable iron core is further arranged at the other end of the guide pipe, and a circular valve pad is fixed at one end, close to the valve seat, of the movable iron core.

Preferably, one end of the movable iron core provided with a valve pad is contained in the valve cavity, a spring with elasticity is sleeved between the valve pad and the front plate, the movable iron core can slide up and down along the guide pipe, the spring can enable the movable iron core to move to generate damping force and rebound force, and the valve pad is sensitive to move when the valve is opened and closed, so that the control is sensitive.

Preferably, the valve pad, the movable iron core and the guide pipe are coaxial with the annular wall, the diameter of the valve pad is matched with that of the annular wall, and when the movable iron core moves downwards along the guide pipe, the valve pad contacts with the upper end of the annular wall to completely separate the annular wall from the input channel and the valve cavity, so that the valve body is closed, and the gas in the input channel cannot circulate from the annular wall to the output channel.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model adopts the gas distribution rod to be connected with a plurality of magnetic normally open valves, thereby being applicable to gas stove equipment of different kinds and different numbers of stoves and having the effects of good flexibility and strong expansibility.

The utility model adopts the annular wall which is positioned on the same straight line with the input channel and the output channel, and prevents the input channel from being directly communicated with the output channel, when the movable iron core moves downwards along the guide pipe, the valve pad contacts with the upper end of the annular wall, so that the interior of the annular wall is completely separated from the input channel and the valve cavity, the annular wall avoids the gas of the input channel from directly impacting the valve pad when the valve body is closed, and the utility model has the effects of reducing the loss of the valve pad and prolonging the service life of the valve pad.

The annular magnet is arranged between the upper top plate and the static iron core, and the magnet is a permanent magnet, and can move through the magnetic control brake iron core only by one electric signal control, so that the magnetic normally-open valve is controlled to maintain the valve-opening state for a long time, and therefore, only a dry battery is needed to supply power, and the magnetic normally-open valve is not required to be connected with mains supply for a long time to maintain the valve-opening state or the valve-closing state, and the effects of saving cost and low energy consumption are achieved.

Drawings

Fig. 1 is a schematic front view of an overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional structure of a solenoid valve according to an embodiment of the utility model.

In the figure: the air distribution rod 1, the total input port 1.1, the output port 1.2, the magnetic normally open valve 2, the inserting piece 2.1, the magnet 2.2, the enameled wire 2.3, the conduit 2.4, the first bolt 2.5, the valve seat 2.6, the input channel 2.61, the valve cavity 2.62, the annular wall 2.63, the output channel 2.64, the second bolt 2.7, the upper top plate 2.8, the static iron core 2.9, the movable iron core 2.10, the specific framework 2.11, the self-supporting frame 2.12, the front plate 2.13, the first sealing ring 2.14, the second sealing ring 2.15, the spring 2.16, the valve pad 2.17 and the air outlet nozzle 2.18.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the present embodiment is a magnetic normally open valve structure for a kitchen range, including a gas distribution rod 1, which is a rectangular section and a tubular structure with two closed ends, wherein a main input port 1.1 is arranged on an outer side surface of the gas distribution rod, a plurality of equally spaced output ports 1.2 are arranged on symmetrical outer side surfaces of the main input port, and the magnetic normally open valve 2 is installed at each output port; the magnetic normally open valve comprises a valve seat 2.6 and is of a tubular structure with a cylindrical end being sealed, a hollow part is a circular valve cavity 2.62, an input channel 2.61 with a circular cross section is arranged on the periphery of the bottom of the valve seat, an output channel 2.64 is arranged on the other side of the valve seat symmetrical to the input channel, a bottom-sealed annular wall 2.63 is arranged in the bottom of the valve cavity, the annular wall is communicated with the output channel, and the gas distribution rod is connected with a plurality of magnetic normally open valves, so that the magnetic normally open valve is suitable for gas stove equipment of different types and different numbers of stoves.

The input pipeline 2.61 and the output pipeline 2.64 are positioned on the same straight line, the annular wall is positioned between the input channel and the output channel at the bottom of the valve cavity, the input channel 2.61 is vertical to the central axis of the valve cavity, the cross section of the annular wall is circular and coaxial with the valve cavity 2.62, the height of the annular wall 2.63 is higher than the diameter of the input channel and lower than half of the height of the valve cavity, the diameter length of the annular wall is in the range of 0.4 to 0.8 times of the diameter of the cross section of the valve cavity, the annular wall, the input pipeline and the output pipeline are positioned on the same straight line, so that the gas channel is smooth, the gas restarting of other parts of the magnetic normally open valve is reduced, the gas leakage phenomenon is reduced, the annular wall is positioned between the input channel and the output channel, the annular wall blocks the gas of the input channel from passing straight line, the diameter length of the annular wall is 0.4 to 0.8 times of the diameter of the cross section circle of the valve cavity, the problems that local aging is accelerated due to too high local air pressure caused by too narrow channels between the air transmission channel in the valve cavity and the inlet at the upper end of the annular wall, and air leakage occurs at the edge are avoided, or the problems that the air flow speed is reduced due to too low air pressure difference caused by too wide channels, and the use is influenced due to too low air pressure difference are avoided.

The periphery at the top of the valve cavity 2.61 is provided with an integrally formed convex ring, the outer part of the convex ring is fixed with the front plate 2.13 and the self-supporting frame 2.12 by bolts one 2.5, and a cylindrical tubular specific framework 2.11 with two through ends is fixedly arranged on the self-supporting frame. The front plate is of a circular annular plate-shaped structure, the diameter of the outer ring is the same as that of the convex ring arranged on the valve body, the diameter of the inner ring is the same as that of the guide pipe 2.4, a tubular structure matched with the diameter of the guide pipe is further arranged at the inner ring of the front plate, the tubular structure is arranged downwards in the valve cavity 2.62 during installation, the surface of the front plate is attached to the upper plane of the convex ring, the tubular structure is used for accommodating the guide pipe, fixing the guide pipe and reducing the shaking effect of the guide pipe.

The hollow part inside the framework is a conduit 2.4, an upper top plate is fixed at the top of the conduit, a static iron core 2.9 is further clamped at one end, close to the upper top plate, in the conduit, and a second bolt 2.7 which extends to a valve seat along the conduit is further arranged at the center of the circle of the upper top plate, and the second bolt is connected with and fixes the static iron core and the upper top plate 2.8. The top surface of the specific skeleton is also provided with an inserting sheet 2.1 which extends outside the axis of the guide pipe and is used for being fixed with a kitchen range structure, so that the top of the embodiment is fixed, and the embodiment is prevented from moving or shaking.

The upper top plate 2.8 and the static iron core 2.9 are also provided with annular magnets 2.2, the magnets are permanent magnets, the movable iron core can be controlled to move only through one electric signal control, therefore, the movable iron core can be powered by a dry battery, a magnetic normally open valve can be kept in an on or off state without being connected with mains supply for a long time, the effects of saving cost and low energy consumption are achieved, the other end of the guide pipe is also provided with a cylindrical movable iron core 2.10, and one end, close to a valve seat, of the movable iron core is provided with a circular valve pad 2.17.

The movable iron core with the valve pad is arranged at one end of the valve cavity, a spring 2.16 with elasticity is sleeved between the valve pad and the front plate, the spring is fixedly welded with the bottom surface of the front plate, the movable iron core can slide up and down along the guide pipe, the spring can enable the movable iron core to move to generate damping force and rebound force, and the valve pad is sensitive to move when the valve is opened and closed, so that the control is sensitive.

The valve pad 2.17, the movable iron core 2.10 and the guide pipe 2.4 are coaxial with the annular wall 2.63, the valve pad is matched with the diameter of the annular wall, and when the movable iron core moves downwards along the guide pipe, the valve pad contacts with the upper end of the annular wall to completely separate the annular wall from the input channel and the valve cavity, so that the valve body is closed, and the gas in the input channel cannot flow from the annular wall to the output channel.

The foregoing is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent transformation made to the above embodiment according to the technical substance of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims

1. A magnetic normally open valve structure for a range, comprising:

The gas distribution rod (1) is of a tubular structure with a rectangular section and two closed ends, a main input port (1.1) is arranged on one outer side surface of the gas distribution rod, a plurality of output ports (1.2) which are distributed at equal intervals are arranged on the symmetrical outer side surface of the main input port, and magnetic normally open valves (2) are arranged at the output ports;

The magnetic normally open valve comprises a valve seat (2.6) which is of a tubular structure with a cylindrical end being sealed, a valve cavity (2.62) with a circular hollow part, an input channel (2.61) with a circular cross section is arranged on the periphery of the bottom of the valve seat, an output channel (2.64) is arranged on the other side of the valve seat symmetrical to the input channel, a ring wall (2.63) with a sealed bottom is arranged in the bottom of the valve cavity, and the ring wall is communicated with the output channel.

2. A magnetic normally open valve structure for a kitchen range according to claim 1, characterized in that the input channel (2.61) and the output channel (2.64) are located on the same straight line, the annular wall (2.63) is located between the input channel and the output channel at the bottom of the valve cavity, and the input channel is perpendicular to the central axis of the valve cavity.

3. A magnetic normally open valve structure for a kitchen range according to claim 1 or 2, characterized in that the cross section of the annular wall (2.63) is circular and coaxial with the valve cavity (2.62), the height of the annular wall is higher than the diameter of the input channel (2.61) and lower than half the height of the valve cavity, and the diameter length of the annular wall (2.63) is in the range of 0.4 to 0.8 times the diameter of the cross section circle of the valve cavity.

4. The magnetic normally open valve structure for a kitchen range according to claim 1, wherein an integrally formed convex ring is arranged on the periphery of the top of the valve cavity (2.62), the outer part of the convex ring is fixed with a front plate (2.13) and a self-support (2.12) by bolts, and a cylindrical tubular specific framework (2.11) with two through ends is arranged and fixed on the self-support.

5. The magnetic normally open valve structure for a kitchen range according to claim 4, wherein a hollow part in the specific framework (2.11) is a conduit (2.4), an upper top plate (2.8) is fixed at the top of the conduit, a static iron core (2.9) is further clamped at one end, close to the upper top plate, in the conduit, and a second bolt (2.7) along the conduit towards a valve seat (2.6) is further arranged at the center of the upper top plate, and the second bolt is connected with the fixed static iron core and the upper top plate.

6. The magnetic normally open valve structure for a kitchen range according to claim 5, wherein an annular magnet (2.2) is further arranged between the upper top plate (2.8) and the static iron core (2.9), a cylindrical movable iron core (2.10) is further arranged at the other end of the guide pipe (2.4), and a circular valve pad (2.17) is fixed at one end, close to the valve seat (2.6), of the movable iron core.

7. The magnetic normally open valve structure for a kitchen range according to claim 6, wherein one end of a movable iron core provided with a valve pad (2.17) is contained in a valve cavity (2.62), a spring (2.16) with elasticity is sleeved between the valve pad (2.17) and a front plate (2.13), and the movable iron core (2.10) can slide up and down along a guide pipe (2.4).

8. The magnetic normally open valve structure for a kitchen range according to claim 6, characterized in that the valve pad (2.17) and the movable iron core (2.10) and the guide pipe (2.4) are coaxial with the annular wall (2.63), and the valve pad is matched with the diameter of the annular wall.

9. The magnetic normally open valve structure for a kitchen range according to claim 5, wherein enameled wires (2.3) are uniformly sleeved at the periphery of the guide pipe (2.4).