Self-adaptive gas pressure reducing valve

Abstract

The utility model discloses a self-adaptive fuel gas pressure reducing valve, which relates to the technical field of fuel gas pressure reducing valves, and comprises a pressure reducing valve body, the right part of the pressure reducing valve body is connected with a gas outlet pipe, the outer side of the pressure reducing valve body is provided with a protective piece, the left part of the pressure reducing valve body is fixedly connected with a gas inlet pipeline, and the gas inlet pipeline is fixedly connected with a gas outlet pipe. The air inlet pipeline is a three-way pipeline and is provided with two air inlets, the air inlets are in threaded connection with end sealing pieces, the end sealing pieces comprise end sealing covers, and the end sealing covers are fixedly connected with control buttons. Through the arrangement of the air inlet pipeline, the normally closed valve and the end sealing piece, two air inlets can be provided, when one side is damaged, the other side can be put into use, and therefore overall replacement is avoided, the replacement cost is saved, and the overall service life is prolonged; and the arranged protection piece can provide a good protection effect for the pressure reducing valve body, the overall pressure resistance is improved, and the pressure reducing valve is more durable in use.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pressure reducing valves, in particular to an adaptive gas pressure reducing valve. Background Art

[0002] There are many gas pressure reducing valves on the market, such as an adaptive gas pressure reducing valve with announcement number: CN 216344159 U, which includes a shell; an air intake pipe fixedly connected to one end of the shell, the air intake pipe passes through the end of the shell to the inner side of the shell, the inner wall of the air intake pipe is provided with an air intake channel, and the end of the air intake channel located inside the shell is provided with a first cone.

[0003] The gas pressure reducing valve has an air inlet pipe and an air outlet pipe. When in use, the air outlet pipe is usually a hose to meet the requirement of a longer connection, and is more durable than the air inlet pipe. Once the air inlet pipe is damaged, even if the internal components of the pressure reducing valve are intact, the entire pressure reducing valve needs to be replaced, resulting in a high replacement cost, a short overall service life, and inconvenience in use. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide an adaptive gas pressure reducing valve, which can provide two air inlets by means of the air intake pipe, normally closed valve and end seal. When one side is damaged, the other side can be put into use, thereby avoiding replacement of the entire valve, saving replacement costs and increasing the overall service life. The protective parts provided can provide good protection for the pressure reducing valve body, improve the overall pressure resistance, and make it more durable to use.

[0005] One of the purposes of the utility model is achieved by the following technical solution: an adaptive gas pressure reducing valve, comprising a pressure reducing valve body, the right part of the pressure reducing valve body is connected to an air outlet pipe, a protective member is arranged on the outer side of the pressure reducing valve body, the left part of the pressure reducing valve body is fixedly connected to an air intake pipe, the air intake pipe is a three-way pipe with two air inlets, an end seal is threadedly connected at the air inlet, the end seal comprises an end seal cover, a control button is fixedly connected to the end seal cover, the end seal cover is threadedly connected to the air inlet of the air intake pipe, and a normally closed valve is installed at both air inlets of the air intake pipe. By providing the air intake pipe, the normally closed valve and the end seal, two air inlets can be provided. When one side is damaged, the other side can be put into use, thereby avoiding replacement of the whole, saving replacement costs and increasing the service life of the whole; the protective member can provide a good protection effect for the pressure reducing valve body, improve the overall pressure resistance, and make it more durable to use.

[0006] According to the adaptive gas pressure reducing valve, the protective member includes a plurality of protective rings, and connecting rods are fixedly connected to the plurality of protective rings.

[0007] According to the adaptive gas pressure reducing valve, the number of the connecting rods is six and they are evenly arranged around the circumference.

[0008] According to the adaptive gas pressure reducing valve, the protective component is made of stainless steel.

[0009] According to the adaptive gas pressure reducing valve, the operating portion of the control button is in a straight line shape.

[0010] According to the adaptive gas pressure reducing valve, the end sealing member is located outside the normally closed valve.

[0011] Beneficial Effects

[0012] Compared with the prior art, the utility model can provide two air inlets by setting the air intake pipe, normally closed valve and end seal. When one side is damaged, the other side can be put into use, thus avoiding the replacement of the whole, saving replacement cost and increasing the service life of the whole. The protective parts set can provide good protection effect for the pressure reducing valve body, improve the overall pressure resistance, and make it more durable to use.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the structure of an adaptive gas pressure reducing valve of the utility model;

[0016] Figure 2 It is a structural schematic diagram of another perspective of an adaptive gas pressure reducing valve of the utility model;

[0017] Figure 3 It is a structural schematic diagram of a protective member of an adaptive gas pressure reducing valve of the utility model;

[0018] Figure 4 The utility model is a schematic structural diagram of an end seal of an adaptive gas pressure reducing valve.

[0019] Legend:

[0020] 1. Pressure reducing valve body; 2. Protective parts; 3. Air outlet pipe; 4. Air inlet pipe; 5. Normally closed valve; 6. End sealing part; 201. Protective ring; 202. Connecting rod; 601. End sealing cover; 602. Control button. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-4 The utility model embodiment is an adaptive gas pressure reducing valve, which includes a pressure reducing valve body 1. The internal structure of the pressure reducing valve body 1 is the prior art, and the publication number CN 216344159 can be referred to. An adaptive gas pressure reducing valve of U is disclosed, wherein the right part of the pressure reducing valve body 1 is connected with an air outlet pipe 3, a protective member 2 is arranged on the outer side of the pressure reducing valve body 1, the protective member 2 is made of stainless steel, the protective member 2 comprises a plurality of protective rings 201, and a plurality of connecting rods 202 are fixedly connected to the plurality of protective rings 201, the number of connecting rods 202 is six, and they are evenly arranged around the circumference, an air intake pipe 4 is fixedly connected to the left part of the pressure reducing valve body 1, the air intake pipe 4 is a three-way pipe with two air inlets, an end sealing member 6 is threadedly connected at the air inlet, the end sealing member 6 is located on the outer side of the normally closed valve 5, the end sealing member 6 comprises an end sealing cover 601, a control button 602 is fixedly connected to the end sealing cover 601, the operating portion of the control button 602 is in a straight line shape, the control button 602 is easy to operate, the end sealing cover 601 is threadedly connected to the air inlet of the air intake pipe 4, and the two air inlets of the air intake pipe 4 are both A normally closed valve 5 is installed. When in use, the end seal 6 on one side is removed, and the end seal cover 601 is rotated by the control button 602 to expose the air inlet on one side, so that the air inlet connection operation can be carried out. At this time, the normally closed valve 5 on the gas inlet side is in a connected state, and the gas can enter the pressure reducing valve body 1 from the air inlet pipe 4, and then be discharged from the air outlet pipe 3. When the air inlet on one side is damaged, the normally closed valve 5 on the damaged side is adjusted to a normally closed state, and then the end seal 6 on the spare side is removed. The specific operation is the same as above, and the air inlet connection operation in the standby state can be carried out. At this time, the normally closed valve 5 on the spare side is in a connected state, so that the gas entry demand can be met, so that when one side is damaged, the overall replacement is avoided, the replacement cost is saved, and the overall service life is increased. At the same time, the protective component 2 improves the overall pressure resistance and is more durable to use. By providing the air intake pipe 4, the normally closed valve 5 and the end seal 6, two air intake ports can be provided. When one side is damaged, the other side can be put into use, thereby avoiding the need to replace the entire body, saving replacement costs and increasing the overall service life; the provided protective member 2 can provide a good protective effect for the pressure reducing valve body 1, improve the overall pressure resistance, and make it more durable to use.

[0023] Working principle: When in use, remove the end seal 6 on one side, and rotate the end seal cover 601 through the control button 602 to expose the air inlet on one side, so that the air inlet connection operation can be carried out. At this time, the normally closed valve 5 on the gas inlet side is in a connected state, and the gas can enter the pressure reducing valve body 1 from the air inlet pipe 4, and then be discharged from the air outlet pipe 3. When the air inlet on one side is damaged, adjust the normally closed valve 5 on the damaged side to the normally closed state, and then remove the end seal 6 on the spare side. The specific operation is the same as above, and the air intake connection operation in the standby state can be carried out. At this time, the normally closed valve 5 on the spare side is in a connected state, so as to meet the gas entry demand, so that when one side is damaged, it is avoided to replace the whole, saving replacement costs and increasing the overall service life. At the same time, the protective part 2 improves the overall pressure resistance and is more durable to use.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An adaptive gas pressure reducing valve, comprising a pressure reducing valve body (1), wherein the right portion of the pressure reducing valve body (1) is connected to an outlet pipe (3), characterized in that: A protective member (2) is provided on the outer side of the pressure reducing valve body (1); an air intake pipe (4) is fixedly connected to the left side of the pressure reducing valve body (1); the air intake pipe (4) is a three-way pipe having two air intake ports, and an end seal (6) is threadedly connected to the air intake ports; the end seal (6) comprises an end seal cover (601); a control button (602) is fixedly connected to the end seal cover (601); the end seal cover (601) is threadedly connected to the air intake port of the air intake pipe (4); and a normally closed valve (5) is installed at each of the two air intake ports of the air intake pipe (4).

2. The adaptive gas pressure reducing valve according to claim 1, characterized in that: The protective member (2) comprises a plurality of protective rings (201), and a connecting rod (202) is fixedly connected to the plurality of protective rings (201).

3. The adaptive gas pressure reducing valve according to claim 2, characterized in that: The number of the connecting rods (202) is six and they are evenly arranged around the circumference.

4. The adaptive gas pressure reducing valve according to claim 1, characterized in that: The protective element (2) is made of stainless steel.

5. The adaptive gas pressure reducing valve according to claim 1, characterized in that: The operating portion of the control button (602) is in the shape of a straight line.

6. The adaptive gas pressure reducing valve according to claim 1, characterized in that: The end seal (6) is located outside the normally closed valve (5).

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