TW202311671A - Gas safety stock reminder device which is installed between the gas supply source and the gas device to remind when the flow of the gas supply source is too low - Google Patents

Abstract

The invention relates to a gas safety stock reminder device, which includes a main body, a control rod, a piston member, and an elastic member. The piston member has a closed head section and a lever section, both of which are connected to each other. One end of the elastic member bounces against the closed head section. When the thrust subjected to the closed head section is less than the resilient force of the elastic member, the air inlet and outlet of the main body are not connected. When the thrust subjected to the closed head section is greater than the resilient force of the elastic member, the air inlet and outlet of the main body are connected. Thus, the gas safety stock reminder device of the invention is installed between the gas supply source and the gas device and can temporarily block the supply of gas when the gas stored in the gas supply source drops to a certain value, thereby really avoiding the problem of not knowing when the gas is used up in the past.

Description

Gas safety stock reminder device

The present invention relates to a warning device for gas safety stock. function of reminder.

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 containing liquefied gas. Although the gas barrels are very convenient to use, there has always been a problem that has plagued users. That is, the gas stored in the gas barrels is limited. If the gas is used up, you must buy a new one. However, it is quite inconvenient to be able to know that the time when the gas is used up is often in use, and it is quite inconvenient to have to wait for the operator to deliver a new gas barrel before continuing to work.

In view of the above content, we can know how to let the user know in advance that the gas is about to be used up, and then purchase the gas in advance, so as to avoid the dilemma of having to wait for new gas to be delivered before continuing to work.

The present invention is installed between the gas supply source (for example: gas barrel) and the gas device (for example: gas stove, water heater), and can temporarily block the combustion gas when the gas stored in the gas supply source drops to a certain value. In this way, the user can be reminded to purchase the gas in advance. In addition, the user can resume the gas supply by operating the control lever to continue working. The present invention does not know when the gas is used up. The problem of waiting for new gas to arrive before continuing to work.

In order to achieve the above purpose and effect, the present invention provides a gas safety inventory reminder device, which includes: a main body, the main body has an air inlet, an air outlet, and a through hole, and the main body has a first connected to the air inlet. A chamber, a second chamber connected to the air outlet, a through hole, the through hole is connected between the first chamber and the second chamber, the through hole is connected to the first chamber; a control a rod, the control rod part passes through the through hole, and the control rod part is located outside the main body; a piston part, which has a connected closed head section and an abutting rod section, the closed head section is located in the second chamber, One end of the resisting rod section faces the control rod; and an elastic member is located in the second chamber, and the elastic member bounces against the closed head section, wherein the thrust force on the side of the closed head section facing the through hole is borne When it is less than the resilient force of the elastic member, the closed head section is close to the through hole and the air inlet and the air outlet are not connected, wherein the thrust on the side of the closed head section facing the through hole is greater than that of the elastic member When the elastic force is applied, the closed head section is away from the through hole and the air inlet and the air outlet are connected.

In order to understand the implementation of the present invention in more detail, please also look at it together with the drawings. As shown in the first to third figures, it is a gas safety stock reminder device, which includes: a main body 1, the main body 1 has a An air inlet 11, an air outlet 12, and a through hole 41. The main body 1 has a first chamber 14 connected to the air inlet 11, a second chamber 15 connected to the air outlet 12, and a through hole 16. The through hole 16 is connected between the first chamber 14 and the second chamber 15, the through hole 41 is connected to the first chamber 14; a control rod 2, and the control rod 2 is partially passed through the through hole 41, the control rod 2 is partly located outside the main body 1; a piston member 20, which has a closed head section 201 connected to it, and an abutment rod section 202, the closed head section 201 is located in the second chamber 15, the abutment rod One end of the section 202 faces the control rod 2; and an elastic member 3, which is located in the second chamber 15, the elastic member 3 bounces against the closed head section 201, wherein the closed head section 201 faces one side of the through hole 16 When the thrust on the side is less than the resilient force of the elastic member 3, the closed head section 201 is close to the through hole 16 and the air inlet 11 and the air outlet 12 are not connected, wherein the closed head section 201 faces the through hole When the thrust on one side of 16 is greater than the resilient force of the elastic member 3 , the closed head section 201 is away from the through hole 16 and the air inlet 11 and the air outlet 12 are connected.

Continuing the above content, the embodiment of the present invention is further described in detail. When the present invention is applied, the air inlet 11 needs to be connected with the gas supply source (for example: gas barrel), and the gas outlet 12 is connected with the gas device (for example: gas stove, water heater) At this time, when the gas device is started, the gas inside the gas supply source will be shown in Figure 4. Due to the pressure, the closed head section 201 will be pushed to squeeze the elastic member 3. At this time, the air inlet 11 and the outlet The gas port 12 is connected, and the gas can flow smoothly from the gas inlet 11 to the gas outlet 12 (in this embodiment, the arrow indicates the gas flow path), so as to supply the operation of the gas device, but as the gas inside the gas supply source As the content decreases, the pressure of the gas will gradually drop. When the pressure is lower than the elastic force of the elastic member 3, the closed head section 201 cannot be pushed. At this time, the gas outlet 12 and the air inlet 11 are not connected and the gas cannot flow to the outlet. Gas port 12, the gas device will stop operating to remind the user that the gas is about to run out, so that the user can purchase gas in advance, and the user only needs to press the control lever 2 as shown in the fifth figure to resume The connection between the gas outlet 12 and the air inlet 11 is used to use the remaining gas, and the remaining gas is sufficient to support the delivery of the pre-purchased gas. It can be seen that the present invention does not know when the gas is used up. It is necessary to wait for the arrival of new fuel gas to continue working. The present invention does have novelty and progress.

An auxiliary groove 221 is recessed at the end of the control rod 2 facing the first chamber 14 , and the resisting rod section 202 is partially located in the auxiliary groove 221 , and the auxiliary groove 221 can effectively limit the displacement path of the piston member 20 .

There is further a cap 5, the cap 5 is arranged on the end of the control rod 2 away from the main body 1 with a piece 51, and the piece 51 extends toward the main body 1 to form a peripheral wall 52 surrounding the control rod 2 , the gap between the peripheral wall portion 52 and the control rod 2 is enough to accommodate the part of the main body 1; another snap ring 6 is arranged on the peripheral side of the part of the main body 1 with the through hole 41, when the control rod 2 is displaced so that When the snap ring 6 is fastened to the peripheral wall 52, the closed head section 201 cannot be displaced due to the rebound of the elastic member 3. This is a structure that facilitates forcibly maintaining the communication between the air outlet 12 and the air inlet 11. The operator only needs to press the cap 5, and the cap 5 can be fastened to the fastening ring 6 provided on the main body 1, so that the control rod 2 connected to the cap 5 remains pressed down, thus closing the head section 201 will maintain the state of pressing down, and the elastic force of the elastic member 3 is not enough to push the closed head section 201 to release the clamping state of the cap 5 and the snap ring 6, so the closed head section 201 cannot be closed due to the elastic member 3. Resilience and displacement to maintain the connection between the gas outlet 12 and the gas inlet 11 to use the remaining gas, so that the user does not need to keep pressing or fix the gas outlet 12 and the gas inlet 11 to maintain the communication with the external object .

Wherein there is a gap between the outer peripheral wall surface of the abutting rod section 202 and the inner wall surface of the auxiliary groove 221, and in this embodiment, as shown in the seventh figure, the abutting rod section 202 is composed of a plurality of sections of round rods with different diameters (although Fig. Not seen, it can also be that the abutting rod section 202 is a straight rod without forming a drop surface 2021), has a drop surface 2021, and a gap is formed between the drop surface 2021 and the side of the control rod 2 forming the auxiliary groove 221, so as shown in the figure As shown by the middle arrow, when the air inlet 11 is connected with a new gas supply source, the instantaneous strong pressure of the new gas supply source will enter the auxiliary groove 221 through the gap and push the control rod 2, so that the cap 5 and the card The fixing ring 6 separates and completes the return of the control rod 2 to the position before being pressed down, so as to achieve an effect that the control rod 2 can automatically return when a new gas supply source is connected.

As presented in Figures 2 to 9, the control rod 2 has a connected thin section 21 and a thick section 22, the auxiliary groove 221 is located on the thick section 22, and the thicker the thick section 22, the wider it will be. Auxiliary groove 221, and then increase the width of the gap between the outer peripheral wall surface of the rod section 202 and the inner wall surface of the auxiliary groove 221, and then improve the new gas supply source when the air inlet 11 is connected to the new gas supply source. The strong pressure will enter the intake air volume of the auxiliary groove 221 from the gap, so as to reduce the probability of failure of the return of the control rod 2.

As further shown in the third figure, the part where the main body 1 is provided with the fastening ring 6 has a first annular groove 42, and the fastening ring 6 is partly located in the first annular groove 42. This structure reduces the fastening The possibility of the ring 6 sliding relative to the main body 1, and the part of the main body 1 with the through hole 41 and the part with the first chamber 14 can be separated from each other (not shown in the figure), although this pattern only shows the main body 1 The part with the through hole 41 and the part with the first chamber 14 are presented as one body, but in practice, the part with the first chamber 14 of the main body 1 can also be provided with a connection with the first chamber 14 The screw hole, and the peripheral side of one end of the part of the main body 1 having the through hole 41 has a screw thread and can be set in the screw hole by screw thread movement.

As further shown in the fifth figure, the inner side of the peripheral wall portion 52 of the cap 5 is annularly recessed with a second annular groove 521. When the control rod 2 is displaced so that the snap ring 6 is fastened to the peripheral wall portion 52, The fastening ring 6 is partially located in the second annular groove 521 to strengthen the fastening ability of the fastening ring 6 to the cap 5 .

As further shown in the eighth figure, wherein the main body 1 has a setting hole 17, the setting hole 17 is connected to the second chamber 15, and an adjustment component 7 is arranged in the setting hole 17, and the adjustment component 7 has a push The abutment surface 71 is operated to make the abutment surface 71 away from and close to the closure head section 201 by operating the adjustment assembly 7. One end of the elastic member 3 is arranged on the abutment surface 71, and the other end of the elastic member 3 bounces against the closure head Section 201, this structure can change the pressing force of the adjustment assembly 7 on the elastic member 3, for example, if the pressing force on the elastic member 3 is increased, the closing head section 201 will be subjected to a greater elastic force, so the gas will push the closing The head section 201 requires a higher pressure value, so it is known that this structure allows the user to adjust the pressure value at which the gas can push the closed head section 201 .

Further, as shown in the third figure, a second anti-leakage ring 9 is sandwiched between the adjustment assembly 7 and the main body 1 to prevent gas from leaking between the adjustment assembly 7 and the main body 1 .

As shown in the third figure, a groove 231 is recessed on the side of the closed head section 201 facing the elastic member 3, and the elastic member 3 is partly located in the groove 231. This structure can make the elastic member 3 bounce and close stably. The head section 201 avoids misalignment with the elastic member 3 during the movement of the closed head section 201 .

As further shown in the third figure, wherein the piston member 20 is surrounded by a third anti-leakage ring 10, the third anti-leakage ring 10 is located in the second chamber 15 and abuts against the closed head section 201, when this structure is closed When the head section 201 closes the through hole 16 , it can effectively prevent gas from leaking from the first chamber 14 to the gas outlet 12 .

As further shown in Figure 9, wherein the pushing surface 71 extends toward the closed head section 201 with a stop rod 72, the adjustment assembly 7 is operated to make the stop rod 72 abut against the closed head section 201, the When the stop rod 72 abuts against the closed head section 201, the piston member 20 cannot move to achieve the effect of forced closing. If the forced closing function is to be released, the reverse operation of the adjustment assembly 7 can make the stop rod part 72 does not abut against the closed head section 201 .

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.

To sum up, the "gas safety inventory reminder device" 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 14: The first chamber 15: The second chamber 16: Through hole 17: Setting hole 2: Joystick 21: fine segment 22: thick section 221: auxiliary slot 20: Piston parts 201: Closed header 2011: Groove 202: Arrest section 2021: drop surface 3: Elastic parts 41: through hole 42: The first ring groove 5: cap 51: film department 52: Peripheral wall 521: Second ring groove 6: snap ring 7: Adjust components 71: push face 72: Stop bar 9: Second leak stop ring 10: The third leak stop ring

The first figure is a three-dimensional schematic diagram of the present invention. The second figure is an exploded schematic view of the present invention. The third figure is a schematic cross-sectional view of line segment III-III in the first figure. Figure 4 is a schematic diagram of the closed head section being driven by gas to extrude the elastic member. The fifth figure is a schematic diagram of operating the control lever to force the gas to resume circulation. Figure 6 is a schematic diagram of the return of the gas-driven control rod. The seventh figure is a partially enlarged schematic diagram of the sixth figure. Figure 8 is a schematic diagram of the adjustment assembly. Figure 9 is a schematic diagram of adjusting the adjustment assembly so that the stop rod is against the closed head section.

1: subject

12: Air outlet

2: Joystick

20: Piston parts

201: Closed header

202: Arrest section

21: fine segment

22: thick section

3: Elastic parts

41: through hole

5: cap

52: Peripheral wall

6: snap ring

7: Adjust components

71: push face

72: Stop bar

9: Second leak stop ring

10: The third leak stop ring

Claims (10)

A gas safety stock reminder device, which includes: A main body, the main body has an air inlet, an air outlet, and a through hole. The inside of the main body has a first chamber connected to the air inlet, a second chamber connected to the air outlet, and a through hole. The hole is connected between the first chamber and the second chamber, and the through hole is connected to the first chamber; a control rod, the control rod part passes through the through hole, and the control rod part is located outside the main body; A piston member, which has a closed head section connected to it and an abutting rod section, the closed head section is located in the second chamber, and one end of the abutting rod section faces the control rod; and an elastic piece, which is located in the second chamber, and the elastic piece bounces against the closed head section, wherein when the thrust force on the side of the closed head section facing the through hole is smaller than the elastic piece's elastic piece, The closed head section is close to the through hole and the air inlet and the air outlet are not connected. When the thrust force on the side of the closed head section facing the through hole is greater than the resilient force of the elastic member, the closed head section It is away from the through hole and communicates with the air inlet and the air outlet. The gas safety storage reminder device as described in claim 1 further has a cap, the cap is arranged on the end of the control rod away from the main body with a piece, and the piece extends toward the main body to form a circumference around the control rod One side of the peripheral wall part, the gap between the peripheral wall part and the control rod is enough to accommodate the part of the main body; another snap ring is arranged on the peripheral side of the part of the main body with a through hole, when the control rod is displaced so that the clip When the fixed ring is fastened to the peripheral wall, the closed head section cannot be displaced due to the rebound of the elastic member. The fuel gas safety reserve reminder device as described in claim 1, wherein an auxiliary groove is recessed at one end of the control rod facing the first chamber, and the rod section is partially located in the auxiliary groove. The fuel gas safety storage reminder device as described in Claim 3, wherein there is a gap between the outer peripheral wall of the abutting rod section and the inner wall of the auxiliary tank. The fuel gas safety storage reminder device as described in claim 2, wherein the main body has a first annular groove at the part where the fastening ring is arranged, and the fastening ring is partially located in the first annular groove, and the main body has the The part of the through hole and the part having the first chamber can be movably separated from each other. The gas safety storage reminder device as described in claim 2, wherein the inner side of the surrounding wall of the cap is annularly recessed with a second annular groove. When the control rod is displaced so that the snap ring is fastened to the surrounding wall, The fastening ring part is located in the second annular groove. The fuel gas safety stock reminder device as described in Claim 1, wherein the main body has a setting hole, the setting hole is connected to the second chamber, and an adjustment component is set in the setting hole, and the adjustment component has a pushing Operate the adjustment assembly so that the pushing surface is away from and close to the sealing head section, one end of the elastic member is arranged on the pushing surface, and the other end of the elastic member bounces against the sealing head section, the adjustment assembly and the main body There is a second anti-leakage ring between them. The gas safety storage reminder device as described in claim 7, wherein the pushing surface extends a stop rod portion toward the closed head section, and the adjustment component is operated to make the stop rod portion abut against the closed head section, the When the stop rod abuts against the closed head section, the piston cannot move. The fuel gas safety storage reminder device according to claim 1, wherein a groove is recessed on the side of the closed head section facing the elastic member, and the elastic member is partially located in the groove. The fuel gas safety storage reminder device as described in claim 1, wherein the piston ring is covered with a third anti-leakage ring, and the third anti-leakage ring is located in the second chamber and abuts against the closed head section.

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