TW202311672A - Gas safety breaker capable of blocking the gas flow if the flow rate of the gas is too high - Google Patents

Abstract

The invention provides a gas safety breaker, which includes: a main body, a blocking member and an elastic return member. The invention is installed on the pipeline for conveying gas, which can block the gas flow if the flow rate of the gas is too high. It is known that, if the pipeline for conveying gas is broken, a strong air pressure will be generated in the pipeline instantly, so that the invention will act to block and stop the gas from continuing to leak. Similarly, this feature can also be used to avoid other situations that cause the air pressure in the pipeline to be too strong to damage the gas equipment.

Description

Gas Safety Breaker

The invention is a gas safety breaker, which is installed on the pipeline for conveying gas, and can block the flow of gas if the flow of gas is too large.

Gas refers to the gas that can be used as fuel (for example: gas, coal gas), which can generate a large amount of heat energy after combustion, so it is widely used in daily life, such as water heaters, gas stoves, etc., are commonly used in daily life. equipment for fuel.

If the home is not equipped with a natural gas pipeline, it must be purchased additionally. Due to its flammable properties, the storage of gas needs to be quite rigorous. Storage in metal drums is a more common practice, so the more common way of purchasing is to buy refills. Gas barrels filled with liquefied gas, although the gas barrels are quite convenient to use, there have always been some problems. However, such gas with a high pressure value is very likely to cause damage to the back-end pipeline (the pipeline between the gas equipment and the gas barrel), or damage to the gas equipment.

In addition, there is another common problem, that is, it is difficult to find the rupture of the back-end pipeline if it is closer to the gas equipment (for example, the part of the back-end pipeline close to the kitchen gas stove is easily blocked by the cabinet of the system kitchen utensils), so It will cause a large amount of gas leakage to cause waste and even danger.

This invention is an invention installed on the pipeline for transporting gas. If the flow of gas is too large, it can block the flow of gas. It should be known that if the pipeline for transporting gas breaks, there will be an instant explosion in the pipeline. A very strong air pressure, so that the present invention will act to block, so as to stop the continuous leakage of gas, and this feature can also avoid other situations that cause the air pressure in the pipeline to be too strong and damage the gas equipment. .

In order to achieve the above purpose and effect, the present invention provides a gas safety breaker, which includes: a main body with an air inlet and an air outlet on the outside, a first chamber and a second chamber inside the main body chamber, the first chamber communicates with the air inlet, the second chamber communicates with the air outlet, the first chamber and the second chamber are connected by a through hole; a blocking member, which is located The main body also has a connected body and a head section, the body section passes through the through hole, the head section cannot pass through the through hole and is located in the first chamber; and an elastic return part is partially located in the first chamber Indoor and connected to the head section of the blocking piece.

For a more detailed understanding of the implementation of the present invention, please also look at it with the drawings. As shown in the first figure to the fourth figure, it is a gas safety breaker, which includes: a main body 1 with an air intake on the outside 11, an air outlet 12, the main body 1 has a first chamber 13, a second chamber 14, the first chamber 13 communicates with the air inlet 11, the second chamber 14 communicates with the outlet The air port 12 communicates, and the first chamber 13 and the second chamber 14 are connected by a through hole 15; a blocking member 2, which is located in the main body 1 and has a connected body section 21 and a head section 22, the The body section 21 passes through the through hole 15, the head section 22 cannot pass through the through hole 15 and is located in the first chamber 13; and an elastic return member 3 is partly located in the first chamber 13 and connected (fixed) on the head section 22 of the blocking element 2 .

Continuing the above content, the embodiment of the present invention is further described in detail. The air inlet 11 of the present invention is used to connect the gas source (direct connection or pipeline), and the gas outlet 12 is used to connect (with pipeline) to the gas equipment. In this embodiment, the elastic return member 3 is in the form of a spring as an example, and the initial position 2 of the blocking member is as shown in the third figure, where the thrust on the side of the head section 22 away from the through hole 15 is received (The thrust can be the driving force produced when the gas flows out) greater than the return force of the elastic return member 3 (the return force can be the pulling force produced when the spring returns to its original state), it will be as shown in the fourth figure Presentation, the head section 22 is displaced toward the through hole 15, the elastic return member 3 is deformed (the spring is pulled), and when the thrust on the head section 22 away from the through hole 15 disappears, the elastic return member 3. Return to the original shape, and the head section 22 will be driven away from the through hole 15 during the process of returning to the original shape.

From the above content, we can know the conditions for the displacement of the blocking member 2, that is to say, when the air pressure flowing through the present invention generates a thrust greater than the return force of the elastic return member 3, the head will appear as shown in the fourth figure. Segment 22 is pushed, and then causes through hole 15 to be closed, and air inlet 11, air outlet 12 present the state that does not communicate, completely blocks gas from flowing out from gas outlet 12, when the gas flow rate is too large with this structure, can The effect of blocking the flow of gas, generally speaking, if the pipeline for conveying gas is broken, a strong air pressure will be generated in the pipeline instantly, so the present invention will act to block and stop the gas flow. The gas continues to leak, and this feature can also prevent other situations from causing excessive air pressure in the pipeline and damaging the gas equipment. This shows that the present invention is inventive and novel.

As further shown in the third figure, wherein the head section 22 is recessed with a groove 221 on the side facing the elastic return member 3, the groove 221 has a groove opening 222, and the elastic return member 3 is partly located in the groove In 221 , the arrangement of the groove 221 facilitates the air pressure to push against the head section 22 .

Further provide a connection method between the elastic return member 3 and the head section 22, as shown in the third figure, wherein the groove 221 has a connected wide diameter section 2211, a narrow diameter section 2212, and the wide diameter section of the groove 221 Connected with the groove opening 222, the elastic return member 3 is partly fixed in the narrow-diameter section 2212. This structure not only retains the function of the groove 221 but also effectively connects the elastic return member 3 to the head section 22.

As shown in the second figure to the sixth figure, the main body 1 has a setting hole 16, the setting hole 16 is connected to the first chamber 13, and an adjusting component 4 is set in the setting hole 16, the adjusting component 4 There is a positioning groove 41, the adjustment assembly 4 is operated to make the positioning groove 41 away from and close to the head section 22, one end of the elastic return member 3 is connected to the head section 22, and the other end of the elastic return member 3 is fastened to the positioning Groove 41, a first anti-leakage ring 5 is sandwiched between the adjustment component 4 and the main body 1. The advantage of this structure is that the air pressure thrust required to push the head section 22 can be adjusted by operating the adjustment component 4.

As shown in Figures 2 to 7, the adjusting component 4 extends a rod body 42 at the bottom of the positioning groove 41 towards the head section 22, and the adjusting component 4 is operated so that the rod body 42 pushes against the head section 22, so as to achieve the effect of forcibly closing the through hole 15. In addition, it is known from the foregoing content and drawings that the elastic return member 3 is in the form of a spring as an example, and the rod body 42 of this embodiment is worn through the elastic return member 3. In this way, the elastic return member 3 will be limited by the guidance of the rod body 42 during the deformation process, and then expand and contract stably.

As shown in the first figure to the third figure, there is further a ventilation component 8, and the main body 1 has an assembly hole 17, the assembly hole 17 communicates with the second chamber 14, the ventilation component 8 is arranged in the assembly hole 17, Operate the ventilation assembly 8 to keep the head section 22 of the blocking member 2 away from the through hole 15. Since the head section 22 is pushed to close the through hole 15 when the air pressure is too high, high-pressure gas will accumulate in the first chamber 13, which must be The communication between the air inlet 11 and the air outlet 12 can only be restored by performing pressure relief (for example, dismantling the present invention), and the setting of the ventilation assembly 8 can be as shown in the fifth figure. In order to quickly and conveniently release the blocking of gas.

As shown in the first to third figures, a second anti-leakage ring 6 is interposed between the vent assembly 8 and the main body 1 to reduce the possibility of gas leakage from between the vent assembly 8 and the main body 1 .

Further provide a kind of appearance of the ventilation assembly 8, as shown in the first figure to the third figure, wherein the ventilation assembly 8 includes a cap 81, a control rod 82, an elastic body 84, a combination block 85, the ventilation assembly 8 is that the combination block 85 is arranged in the assembly hole 17, a through hole 86 runs through the combination block 85, the control rod 82 passes through the through hole 86, and the control rod 82 is partially exposed at one end of the combination block 85 to connect the The cap 81 has an annular rib 87 extending from the inner wall of the through hole 86 to the center. The annular rib 87 is wound around the control rod 82. One end of the elastic body 84 bounces against the annular rib 87. The elastic The other end of the body 84 bounces against the cap 81. The design of the cap 81 makes it easier to press the control rod 82, and the control rod 82 is used to push the body part 21 of the blocking member 2, and the design of the elastic body 84 can help control The reset of the rod 82 after being pressed.

As shown in the third figure, the end of the control rod 82 facing the body 21 is recessed with an auxiliary groove 83, the body 21 is partially located in the auxiliary groove 83, and the auxiliary groove 83 has the function of limiting the displacement path of the elastic return member 3.

As shown in Figure 3 and Figure 4, a third anti-leakage ring 7 is encased in the body section of the blocking member 2, and the third anti-leakage ring 7 is located in the first chamber 13 and abuts against the head section 22, This structure can effectively prevent gas from leaking from the first chamber 13 to the gas outlet 12 when the head section 22 closes the through hole 15 .

The above are only preferred embodiments for explaining the present invention, and are not intended to limit the present invention in any form. Therefore, any modification of the present invention under the spirit of the same invention Or changes, which are other forms that can be implemented and have the same effect, should still be included in the intended protection scope of the present invention.

In summary, the "gas safety breaker" of the present invention is indeed fully in line with the needs of industrial development in terms of practicability and cost-effectiveness, and the disclosed structural invention also has an unprecedented innovative structure, so its There is no doubt that it has "novelty", and this invention can improve the effect more than the conventional structure, so it is also "progressive". Apply, and please review and affirm it as soon as possible.

1: subject 11: air inlet 12: Air outlet 13: The first chamber 14: The second chamber 15: Through hole 16: Setting hole 17: Assembly hole 2: Interrupter 21: figure 22: header 221: Groove 2211: wide diameter section 2212: narrow diameter section 222: slot opening 3: Elastic return piece 4: Adjust components 41: positioning slot 42: rod body 5: The first leak stop ring 6: Second leak stop ring 7: The third leak stop ring 8: Ventilation components 81: cap 82: Joystick 83: Auxiliary slot 84:Elastomer 85: combination block 86: through hole 87: ring rib

The first figure is a three-dimensional schematic diagram of the present invention. The second figure is an exploded schematic diagram of the invention. The third figure is a schematic cross-sectional view of line segment III-III in the first figure. Figure 4 shows the blocking function of the blocking element triggered by excessive air pressure. The fifth figure is a schematic diagram of operating the ventilation assembly. Figure 6 is a schematic diagram of the operation adjustment component. The seventh figure is the second schematic diagram of the operation adjustment component.

1: subject

12: Air outlet

17: Assembly hole

2: Interrupter

21: figure

22: header

3: Elastic return piece

4: Adjust components

41: positioning slot

42: rod body

5: The first leak stop ring

6: Second leak stop ring

7: The third leak stop ring

8: Ventilation components

81: cap

82: Joystick

84:Elastomer

85: combination block

86: through hole

Claims (10)

A gas safety breaker, comprising: A main body has an air inlet and an air outlet on the outside, a first chamber and a second chamber inside the main body, the first chamber communicates with the air inlet, and the second chamber communicates with the air inlet. The air outlet is connected, and the first chamber and the second chamber are connected by a through hole; a blocking piece, which is located in the main body and has a connected body and a head section, the body section passes through the through hole, and the head section cannot pass through the through hole and is located in the first chamber; and an elastic return part, which is partly located in the first chamber and connected to the head section of the blocking part. The gas safety breaker as described in Claim 1, wherein the head section is recessed with a groove on the side facing the elastic return member, the groove has a groove opening, and the elastic return member part is located in the groove Inside. The gas safety interrupter as described in Claim 2, wherein the groove has a wide diameter section connected to a narrow diameter section, the wide diameter section of the groove is connected to the opening of the groove, and the elastic return member part It is fixed in the narrow diameter section. The gas safety breaker as described in Claim 1, wherein the main body has a setting hole, the setting hole is connected to the first chamber, and an adjustment component is set in the setting hole, and the adjustment component has a positioning groove , operate the adjustment assembly so that the positioning groove is away from and close to the head section, one end of the elastic return member is connected to the head section, the other end of the elastic return member is fastened to the positioning groove, and the adjustment assembly and the main body are clamped There is a first leak stop ring. The gas safety breaker as claimed in item 4, wherein the adjustment assembly has a rod extending from the bottom of the positioning groove towards the head section, and the adjustment assembly is operated to make the rod push against the head section. The gas safety breaker as described in Claim 1 further has a vent assembly, and the main body has an assembly hole, the assembly hole communicates with the second chamber, the vent assembly is arranged in the assembly hole, and the vent assembly is operated The head section of the blocking member is kept away from the through hole. The gas safety interrupter according to Claim 6, wherein a second leak-proof ring is interposed between the vent assembly and the main body. The gas safety breaker as described in claim 6, wherein the vent assembly includes a cap, a control rod, an elastic body, and a combination block, and the ventilation component is arranged in the assembly hole by the combination block, and has A through hole runs through the combination block, the control rod passes through the through hole, the control rod part is exposed at one end of the combination block to connect with the cap, the inner wall of the through hole extends to the center with an annular rib, the annular rib The rib ring is wound around the control rod, one end of the elastic body bounces against the annular rib, and the other end of the elastic body bounces against the cap. The gas safety breaker as described in Claim 8, wherein an auxiliary groove is recessed at one end of the control rod facing the body, and the body part is located in the auxiliary groove. The gas safety breaker as described in Claim 1, wherein a third anti-leakage ring is wrapped around the body of the blocking member, and the third anti-leakage ring is located in the first chamber and abuts against the head section.

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