CN219119824U

CN219119824U - Flow-adjustable gas valve

Info

Publication number: CN219119824U
Application number: CN202223267768.4U
Authority: CN
Inventors: 赵祥明
Original assignee: Dongguan Systel Thermal Technology Co ltd
Current assignee: Dongguan Systel Thermal Technology Co ltd
Priority date: 2022-12-03
Filing date: 2022-12-03
Publication date: 2023-06-02
Anticipated expiration: 2032-12-03

Abstract

The utility model relates to a gas valve with adjustable flow, which comprises a gas pipeline and a valve body arranged on the gas pipeline, wherein a gas inlet is arranged on one side of the gas pipeline, a gas outlet is arranged on the other side of the gas pipeline, the valve body divides the inner part of the gas pipeline into a first cavity, a second cavity and a third cavity, the first cavity is communicated with the gas inlet, the third cavity is communicated with the gas outlet, a gas ventilation micropore for the gas to pass through is arranged between the first cavity and the third cavity, and the valve body is positioned between the first cavity and the second cavity; when the valve body is opened, fuel gas enters the first cavity from the fuel gas inlet, flows through the second cavity and enters the third cavity, and flows out from the fuel gas outlet; when the valve body is closed, the fuel gas enters the first cavity from the fuel gas inlet, enters the third cavity through the ventilation micropores, and flows out from the fuel gas outlet. The utility model can adjust the flow of the fuel gas and has strong practicability.

Description

Flow-adjustable gas valve

Technical Field

The utility model relates to the technical field of gas valves, in particular to a gas valve with adjustable flow.

Background

At present, the gas heat preservation umbrella is widely applied to the gas field, and the gas heat preservation umbrella at present needs to be introduced into the gas to work, but the gas that the gas heat preservation umbrella at present is introduced into often is quantitative to lead to the condition that the temperature of space is too high or too low to take place easily, so how to adjust and control the flow size of gas becomes the difficult problem that the gas of gas heat preservation umbrella is introduced into.

In order to solve the problem, we design a gas valve with adjustable flow, thereby solving the problem.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides the gas valve with adjustable flow, which can be applied to a gas heat preservation umbrella, when the space temperature is too high, the valve is closed, and simultaneously, the valve is provided with micro holes for providing flow, so that the heat preservation umbrella is provided with fire; when the temperature is too low, the valve is opened, and the heat preservation umbrella ignites again by utilizing the flame reserved by the minimum fuel gas, so that the practicability is strong.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the gas valve comprises a gas pipeline and a valve body arranged at the upper end of the gas pipeline, wherein a gas inlet is formed in one side of the gas pipeline, a gas outlet is formed in the other side of the gas pipeline, the valve body divides the inner part of the gas pipeline into a first cavity, a second cavity and a third cavity, the first cavity is communicated with the gas inlet, the third cavity is communicated with the gas outlet, a gas ventilation micropore for gas to pass through is formed between the first cavity and the third cavity, and the valve body is positioned between the first cavity and the second cavity; when the valve body is opened, fuel gas enters the first cavity from the fuel gas inlet, flows through the second cavity and enters the third cavity, and flows out from the fuel gas outlet; when the valve body is closed, fuel gas enters the first cavity from the fuel gas inlet, enters the third cavity through the ventilation micropores, and flows out from the fuel gas outlet.

As a further explanation of the above technical solution:

in the above technical scheme, be provided with the gas and adjust the through-hole between first cavity and the second cavity, the gas of first cavity passes through the gas adjusts the through-hole and gets into in the second cavity, first cavity passes through ventilation micropore with third cavity is linked together, second cavity with be provided with the gas through-hole between the third cavity, the second cavity passes through the gas through-hole with third cavity is linked together.

In the above technical scheme, the valve body comprises a valve cover, a pressure lever, a reset spring and a flow regulating pressure plate, an opening is formed in the upper end of the ventilation pipeline, the valve cover is covered at the opening, the pressure lever is movably arranged in the middle of the valve cover up and down, the flow regulating pressure plate is arranged at the lower end of the pressure lever, the reset spring is sleeved on the pressure lever, the upper end of the reset spring is connected with the valve cover, and the lower end of the reset spring is connected with the flow regulating pressure plate; when the pressure rod is pressed down, the pressure rod moves downwards to drive the flow regulating pressure plate to cover the gas regulating through hole, at the moment, gas in the first cavity cannot enter the second cavity through the gas regulating through hole, and the reset spring is in a stretching state; when the compression bar is loosened, the reset spring resets the flow regulating pressing plate due to physical characteristics, at the moment, the flow regulating pressing plate is far away from the fuel gas regulating through hole, and fuel gas of the first cavity enters the second cavity through the fuel gas regulating through hole.

In the above technical scheme, the depression bar includes pressing part and connecting portion, pressing part expose in the outside of ventilation duct, connecting portion set up in pressing part's lower extreme just connecting portion are located the inside of second cavity, the flow control clamp plate with connecting portion's lower extreme is connected, the flow control clamp plate passes through the depression bar is in carry out up-and-down motion in the second cavity.

In the above technical scheme, a first sealing structure is arranged between the opening of the ventilation pipeline and the valve cover, and a second sealing structure is arranged between the valve cover and the pressure rod.

In the above technical scheme, the aperture of the gas regulating through hole is larger than the aperture of the gas through hole, and the aperture of the gas through hole is larger than the aperture of the ventilation micropore.

The utility model has the beneficial effects that:

the utility model has reasonable design and novel structure, the gas flow of the ventilation pipeline can be adjusted by adopting the structural design of the valve body and the ventilation micropores, when the temperature is too low, the valve body is opened, gas enters the first cavity from the gas inlet, flows through the second cavity and enters the third cavity and then flows out from the gas outlet, and the conventional ventilation and thermal insulation umbrella is ignited again by utilizing the flame reserved by the minimum gas; when space temperature is too high, the valve body is closed, gas enters the first cavity from the gas inlet, flows out from the gas outlet after entering the third cavity through the ventilation micropore, so that the heat preservation umbrella is provided with fire, different gas ventilation volumes are selected according to use requirements, and the heat preservation umbrella can be applied to the gas heat preservation umbrella and has strong practicability.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a state diagram of the valve body of the present utility model when opened;

FIG. 3 is a state diagram of the valve body of the present utility model when closed;

fig. 4 is a schematic structural view of the ventilation micropores.

Detailed Description

The present utility model will be described in detail with reference to specific embodiments and drawings.

The embodiment provides a gas valve with adjustable flow, as shown in fig. 1-4, the gas valve comprises a gas pipeline 1 and a valve body 2 arranged at the upper end of the gas pipeline 1, one side of the gas pipeline 1 is provided with a gas inlet 3, the other side of the gas pipeline 1 is provided with a gas outlet 4, the valve body 2 divides the inner part of the gas pipeline 1 into a first cavity 11, a second cavity 12 and a third cavity 13, the first cavity 11 is communicated with the gas inlet 3, the third cavity 13 is communicated with the gas outlet 4, a gas ventilation micropore 14 for the gas to pass through is arranged between the first cavity 11 and the third cavity 13, and the valve body 2 is positioned between the first cavity 11 and the second cavity 12; when the valve body 2 is opened, fuel gas enters the first cavity 11 from the fuel gas inlet 3, flows through the second cavity 12 and enters the third cavity 13, and then flows out from the fuel gas outlet 4; when the valve body 2 is closed, the fuel gas enters the first cavity 11 from the fuel gas inlet 3, enters the third cavity 13 through the ventilation micropores 14, and flows out from the fuel gas outlet 4.

As a further improvement of the utility model, a gas adjusting through hole 15 is arranged between the first cavity 11 and the second cavity 12, the gas of the first cavity 11 enters the second cavity 12 through the gas adjusting through hole 15, the first cavity 11 is communicated with the third cavity 13 through the ventilation micropore 14, a gas through hole 16 is arranged between the second cavity 12 and the third cavity 13, and the second cavity 12 is communicated with the third cavity 13 through the gas through hole 16.

As a further improvement of the utility model, the valve body 2 comprises a valve cover 21, a pressure lever 22, a reset spring and a flow regulating pressure plate 23, wherein the upper end of the air duct 1 is provided with an opening 17, the valve cover 21 is covered at the opening 17, the pressure lever 22 is movably arranged in the middle of the valve cover 21 up and down, the flow regulating pressure plate 23 is arranged at the lower end of the pressure lever 22, the reset spring is sleeved on the pressure lever 22, the upper end of the reset spring is connected with the valve cover 21, and the lower end of the reset spring is connected with the flow regulating pressure plate 23; when the pressure lever 22 is pressed down, the pressure lever 22 moves downwards to drive the flow regulating pressure plate 23 to cover the gas regulating through hole 15, at this time, the gas of the first cavity 11 cannot enter the second cavity 12 through the gas regulating through hole 15, and the return spring is in a stretched state; when the compression bar 22 is released, the return spring returns the flow adjustment pressing plate 23 due to the physical characteristics, and at this time, the flow adjustment pressing plate 23 is far away from the gas adjustment through hole 15, and the gas of the first cavity 11 enters the interior of the second cavity 12 through the gas adjustment through hole 15.

As a further improvement of the present utility model, the pressure lever 22 includes a pressing portion exposed to the outside of the ventilation duct 1 and a connecting portion provided at a lower end of the pressing portion and located inside the second chamber 12, and the flow rate adjustment pressure plate 23 is connected to a lower end of the connecting portion, and the flow rate adjustment pressure plate 23 moves up and down in the second chamber 12 through the pressure lever 22.

As a further development of the utility model, a first sealing structure is provided between the opening 17 of the ventilation duct 1 and the valve cover 21, and a second sealing structure is provided between the valve cover 21 and the pressure lever 22.

As a further improvement of the present utility model, the aperture of the gas regulating through hole 15 is larger than the aperture of the gas through hole 16, and the aperture of the gas through hole 16 is larger than the aperture of the ventilation micro hole 14.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The gas valve is characterized by comprising a gas pipeline and a valve body arranged at the upper end of the gas pipeline, wherein a gas inlet is formed in one side of the gas pipeline, a gas outlet is formed in the other side of the gas pipeline, the valve body divides the inner part of the gas pipeline into a first cavity, a second cavity and a third cavity, the first cavity is communicated with the gas inlet, the third cavity is communicated with the gas outlet, a gas ventilation micropore for gas to pass through is formed between the first cavity and the third cavity, and the valve body is positioned between the first cavity and the second cavity; when the valve body is opened, fuel gas enters the first cavity from the fuel gas inlet, flows through the second cavity and enters the third cavity, and flows out from the fuel gas outlet; when the valve body is closed, fuel gas enters the first cavity from the fuel gas inlet, enters the third cavity through the ventilation micropores, and flows out from the fuel gas outlet.

2. The gas valve with adjustable flow rate according to claim 1, wherein a gas adjusting through hole is arranged between the first cavity and the second cavity, gas in the first cavity enters the second cavity through the gas adjusting through hole, the first cavity is communicated with the third cavity through the ventilation micropore, a gas through hole is arranged between the second cavity and the third cavity, and the second cavity is communicated with the third cavity through the gas through hole.

3. The gas valve with adjustable flow rate according to claim 2, wherein the valve body comprises a valve cover, a pressure lever, a reset spring and a flow rate adjusting pressure plate, an opening is arranged at the upper end of the ventilation pipeline, the valve cover is covered at the opening, the pressure lever is movably arranged in the middle of the valve cover up and down, the flow rate adjusting pressure plate is arranged at the lower end of the pressure lever, the reset spring is sleeved on the pressure lever, the upper end of the reset spring is connected with the valve cover, and the lower end of the reset spring is connected with the flow rate adjusting pressure plate; when the pressure rod is pressed down, the pressure rod moves downwards to drive the flow regulating pressure plate to cover the gas regulating through hole, at the moment, gas in the first cavity cannot enter the second cavity through the gas regulating through hole, and the reset spring is in a stretching state; when the compression bar is loosened, the reset spring resets the flow regulating pressing plate due to physical characteristics, at the moment, the flow regulating pressing plate is far away from the fuel gas regulating through hole, and fuel gas of the first cavity enters the second cavity through the fuel gas regulating through hole.

4. The gas valve with adjustable flow rate according to claim 3, wherein the pressure bar comprises a pressing part and a connecting part, the pressing part is exposed out of the ventilation pipeline, the connecting part is arranged at the lower end of the pressing part and is positioned in the second cavity, the flow rate regulating pressure plate is connected with the lower end of the connecting part, and the flow rate regulating pressure plate moves up and down in the second cavity through the pressure bar.

5. A gas valve with adjustable flow as claimed in claim 3, wherein a first sealing structure is provided between the opening of the vent tube and the valve cover, and a second sealing structure is provided between the valve cover and the pressure lever.

6. The adjustable flow gas valve of claim 2, wherein the gas adjustment through hole has a larger pore size than the gas through hole, and the gas through hole has a larger pore size than the ventilation micro hole.