A gas valve structure with built-in nozzle

Abstract

The utility model discloses a gas valve structure with a built-in nozzle, comprising: a valve body, an air intake control valve, a flow control valve and a nozzle; the valve body is provided with an air intake pipe, an air intake connecting chamber, an air outlet connecting chamber and an air outlet pipe; the air intake connecting chamber is provided with at least two air supply chambers, an air supply port is provided between the air supply chamber and the air outlet connecting chamber, and a nozzle is embedded in the air supply port; each flow control valve can independently control the conduction or closing of the air supply port of the corresponding air supply chamber. The utility model opens a single air supply port or a combination of multiple air supply ports by changing the flow control valve and the nozzle; it can form a discrete adjustment of the air supply flow rate in multiple states, and the air supply flow opening is only related to the nozzle caliber and the opening number, and the flow control has high accuracy; and the nozzle is embedded in the air supply port of the air supply chamber of the valve body, and there is no risk of air leakage at the nozzle, and the installation is simple and convenient, and the cost is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gas cookers, in particular to a gas valve structure with a nozzle built in. Background Art

[0002] Most existing commercial gas stoves are composed of a stopcock and a burner assembly. When in use, the unit air intake of the burner assembly is adjusted by screwing the stopcock to control the firepower. However, this adjustment method has the defect of inaccurate firepower adjustment. At the same time, existing commercial gas stoves have defects such as low gas combustion efficiency and scattered and unconcentrated burner flames, which need further improvement. To this end, the prior art proposes a commercial gas stove that uses a blast structure with a proportional valve to achieve synchronous adjustment of the blast and the proportional valve, and adjusts the air blast and gas flow to a better ratio. For example, patent number CN202221669849.4 discloses a new commercial gas stove.

[0003] However, this type of synchronous gas valve uses a proportional valve to adjust the gas supply; on the one hand, the flow opening of its gas channel is only controlled by the proportional valve, and the control accuracy of the gas flow is floating, and the control accuracy of the gas flow is difficult to guarantee; on the other hand, the gas outlet end of the proportional valve is connected to the nozzle, and the nozzle is arranged at the ejector pipe of the burner head. In this structure, the diameter of the nozzle cannot be adjusted, and there is a risk of gas leakage in the nozzle.

[0004] Therefore, further improvement is needed. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a gas valve structure with a nozzle built-in.

[0006] The technical solution adopted by an embodiment of the utility model to solve the technical problem is: a gas valve structure with a nozzle built-in, comprising: a valve body, an air intake control valve, a flow control valve and a nozzle;

[0007] The valve body is provided with an air inlet pipe, an air inlet connecting cavity, an air outlet connecting cavity and an air outlet pipe; the air inlet pipe is connected with the air inlet connecting cavity, and the air inlet control valve can control the conduction or closing of the air inlet pipe and the air inlet connecting cavity; the air outlet connecting cavity is connected with the air outlet pipe, and the air outlet pipe is connected with the burner through a pipeline;

[0008] The air inlet connecting chamber is provided with at least two air supply chambers, an air supply port is provided between the air supply chamber and the air outlet connecting chamber, and a nozzle is embedded in the air supply port; each of the air supply chambers is installed with the flow control valve, and the flow control valve can block the nozzle to control the conduction or closing of the air supply port; each of the flow control valves can independently control the conduction or closing of the air supply port of the corresponding air supply chamber.

[0009] Optionally, the flow control valve and the air intake control valve are self-priming valves.

[0010] Optionally, two air supply chambers are provided, and the calibers of the nozzles of the two air supply chambers are different.

[0011] Optionally, at least three air supply chambers are provided.

[0012] Optionally, the air inlet connecting cavity and the air outlet connecting cavity are side-by-side pipeline structures; and the air supply chambers are arranged at intervals along the extension direction of the air inlet connecting cavity.

[0013] Optionally, an embedding groove is provided at one end of the air supply chamber away from the air supply port; and the flow control valve is embedded in the embedding groove.

[0014] Optionally, a sealing ring is embedded in the embedding groove.

[0015] Optionally, the air inlet pipe is provided with a filter.

[0016] The beneficial effects of the utility model are as follows: the valve body is provided with an air inlet pipe, an air inlet connecting cavity, an air outlet connecting cavity and an air outlet pipe; at least two air supply chambers are provided, an air supply port is provided between the air supply chamber and the air outlet connecting cavity, and a nozzle is embedded in the air supply port; each air supply chamber is installed with the flow control valve, and the flow control valve can block the nozzle to control the conduction or closing of the air supply port. The utility model opens a single air supply port or a combination of multiple air supply ports by changing the flow control valve and the nozzle; it can form a discrete adjustment of the air supply flow rate in multiple states, and the air supply flow opening is only related to the nozzle diameter and the opening number, and the flow control has high accuracy; and the nozzle is embedded in the air supply port of the air supply chamber of the valve body, and there is no risk of air leakage at the nozzle, and the installation is simple and convenient, and the cost is effectively reduced.

[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the structure of the gas valve of the utility model;

[0020] Figure 2 for Figure 1 Exploded diagram of the gas valve structure;

[0021] Figure 3 for Figure 1 Cross-sectional view of the gas valve structure.

[0022] Description of main component symbols:

[0023] 10. Valve body; 11. Air inlet pipe; 12. Air inlet connecting chamber; 13. Air outlet connecting chamber; 14. Air outlet pipe; 15. Air supply chamber; 16. Air supply port; 17. Mounting groove; 18. Sealing ring; 19. Filter; 20. Air inlet control valve; 30. Flow control valve; 40. Nozzle. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0028] Example

[0029] Reference Figures 1 to 3 The utility model proposes a gas valve structure with a nozzle 40 built in, comprising: a valve body 10, an air intake control valve 20, a flow control valve 30 and a nozzle 40;

[0030] The valve body 10 is provided with an air inlet pipe 11, an air inlet connecting chamber 12, an air outlet connecting chamber 13 and an air outlet pipe 14; the air inlet pipe 11 is connected with the air inlet connecting chamber 12, and the air inlet control valve 20 can control the conduction or closing of the air inlet pipe 11 and the air inlet connecting chamber 12; the air outlet connecting chamber 13 is connected with the air outlet pipe 14, and the air outlet pipe 14 is connected with the burner through a pipeline;

[0031] The air inlet connecting chamber 12 is provided with at least two air supply chambers 15, and an air supply port 16 is provided between the air supply chamber 15 and the air outlet connecting chamber 13, and the air supply port 16 is embedded with a nozzle 40; each air supply chamber 15 is installed with a flow control valve 30, and the flow control valve 30 can block the nozzle 40 to control the conduction or closing of the air supply port 16; each flow control valve 30 can independently control the conduction or closing of the air supply port 16 of the corresponding air supply chamber 15.

[0032] In the utility model, the valve body 10 is provided with an air inlet pipe 11, an air inlet connecting cavity 12, an air outlet connecting cavity 13 and an air outlet pipe 14; at least two air supply chambers 15 are provided therein, and an air supply port 16 is provided between the air supply chamber 15 and the air outlet connecting cavity 13, and a nozzle 40 is embedded in the air supply port 16; each air supply chamber 15 is installed with a flow control valve 30, and the flow control valve 30 can block the nozzle 40 to control the conduction or closing of the air supply port 16. In the utility model, by changing the flow control valve 30 and the nozzle 40, a single air supply port 16 or a combination of multiple air supply ports 16 is opened; the adjustment of the air supply flow rate in discrete multiple states can be formed, and the air supply flow opening is only related to the caliber and the opening number of the nozzle 40, and the accuracy of the flow control is high; and the nozzle 40 is embedded in the air supply port 16 of the air supply chamber 15 of the valve body 10, and there is no risk of air leakage at the nozzle 40, and the installation is simple and convenient, and the cost is effectively reduced.

[0033] In this embodiment, the flow control valve 30 and the air intake control valve 20 are self-priming valves. Since the flow control valve 30 and the air intake control valve 20 only need to control the conduction or closing of the air supply port 16 or the pipeline, the self-priming valve structure can meet this function, and the structure is simple, durable, and low in cost.

[0034] In this embodiment, two air supply chambers 15 are provided, and the calibers of the nozzles 40 of the two air supply chambers 15 are different. In this arrangement, opening only the nozzle 40 and the air supply port 16 of the first air supply chamber 15 corresponds to the air supply flow rate in the first state; opening only the nozzle 40 and the air supply port 16 of the second air supply chamber 15 corresponds to the air supply flow rate in the second state; opening the nozzles 40 and the air supply port 16 of the first and second air supply chambers 15 at the same time can correspond to the air supply flow rate in the third state; the valve body 10 has a simple structure, and can realize the switching control of three kinds of air supply flow rates through two nozzles 40 of different calibers, which can meet the state switching rotation of three kinds of air supply flow rates of low fire, medium fire and fierce fire.

[0035] In other embodiments, at least three air supply chambers 15 are provided, and by opening the air supply port 16 of a single air supply chamber 15 or synchronously opening the air supply ports 16 of multiple air supply chambers 15, switching options of 4, 5 or more air supply flow rates and air supply states can be achieved.

[0036] In this embodiment, the air inlet connecting cavity 12 and the air outlet connecting cavity 13 are parallel pipe structures; the air supply chambers 15 are arranged at intervals along the extension direction of the air inlet connecting cavity 12. The air inlet connecting cavity 12 and the air outlet connecting cavity 13 are parallel pipe structures, and the connecting holes can be processed by drilling, and the processing operation feasibility is high.

[0037] Specifically, an end of the air supply chamber 15 away from the air supply port 16 is provided with an embedding groove 17; the flow control valve 30 is embedded in the embedding groove 17. The embedding groove 17 is arranged corresponding to the air supply port 16, which can facilitate the processing of the air supply port 16 and the installation groove of the flow control valve 30.

[0038] Furthermore, in order to improve the sealing performance of the flow control valve 30 during installation, a sealing ring 18 is embedded in the embedding groove 17 .

[0039] In this embodiment, in order to prevent foreign matter from entering the valve body 10 when the gas pipe is not connected, the air inlet pipe 11 is provided with a filter screen 19 .

[0040] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A gas valve structure with a built-in nozzle, characterized in that: include: A valve body (10), an air intake control valve (20), a flow control valve (30) and a nozzle (40); The valve body (10) is provided with an air inlet pipe (11), an air inlet connecting chamber (12), an air outlet connecting chamber (13) and an air outlet pipe (14); the air inlet pipe (11) is connected to the air inlet connecting chamber (12), and the air inlet control valve (20) can control the connection or closing of the air inlet pipe (11) and the air inlet connecting chamber (12); the air outlet connecting chamber (13) is connected to the air outlet pipe (14), and the air outlet pipe (14) is connected to the burner head through a pipeline; The air inlet connecting chamber (12) is provided with at least two air supply chambers (15), an air supply port (16) is provided between the air supply chamber (15) and the air outlet connecting chamber (13), and a nozzle (40) is embedded in the air supply port (16); each of the air supply chambers (15) is provided with a flow control valve (30), and the flow control valve (30) can block the nozzle (40) to control the conduction or closing of the air supply port (16); each of the flow control valves (30) can independently control the conduction or closing of the air supply port (16) of the corresponding air supply chamber (15).

2. The nozzle-built-in gas valve structure according to claim 1, characterized in that: The flow control valve (30) and the air intake control valve (20) are self-priming valves.

3. The nozzle-built-in gas valve structure according to claim 1, characterized in that: Two air supply chambers (15) are provided, and the calibers of the nozzles (40) of the two air supply chambers (15) are different.

4. The nozzle-built-in gas valve structure according to claim 1, characterized in that: At least three air supply chambers (15) are provided.

5. The nozzle-built-in gas valve structure according to claim 1, characterized in that: The air inlet connecting chamber (12) and the air outlet connecting chamber (13) are parallel pipeline structures; the air supply chambers (15) are arranged at intervals along the extension direction of the air inlet connecting chamber (12).

6. The nozzle-built-in gas valve structure according to claim 1, characterized in that: An embedding groove (17) is provided at one end of the air supply chamber (15) away from the air supply port (16); the flow control valve (30) is embedded in the embedding groove (17).

7. The nozzle-built-in gas valve structure according to claim 6, characterized in that: A sealing ring (18) is embedded in the embedding groove (17).

8. The nozzle-built-in gas valve structure according to claim 1, characterized in that: The air inlet pipe (11) is provided with a filter screen (19).

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