TWI777765B - Gas safety stock reminder device - Google Patents

Abstract

The present invention is a gas safety stock reminder device, which comprises a main body, a control rod, a piston member, and an elastic member. The piston member has a closed head section and an abutting rod section that are connected to each other, and one end of the elastic member bounces against the closed head section, wherein the closed head section When the thrust force on the segment is less than the elastic force of the elastic piece, the air inlet and outlet of the main body are not connected. The gas port is connected, so the present invention is arranged between the gas supply source and the gas device, and when the gas stored in the gas supply source drops to a certain value, the supply of gas can be temporarily blocked, thereby avoiding the need for previous combustion. The problem is only known when the gas runs out.

Description

Gas safety stock reminder device

The present invention relates to a gas safety stock reminder device, which is arranged between a gas supply source (for example, a gas barrel) and a gas device (for example, a gas stove and a water heater). When the flow rate of the gas supply source is too low, the The role of reminder.

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

If the home is not equipped with a natural gas pipeline, it must be purchased additionally. Due to its flammable characteristics, gas needs to be stored rigorously. It is a more common practice to store it in metal barrels. Gas barrels are equipped with liquefied gas. Although the gas barrels are quite convenient to use, there is a problem that has plagued users for a long time. That is, the gas stored in the gas barrels is limited. However, it is quite inconvenient to know that the time point when the gas is used up is often in use, and the operation can only be continued after waiting for the operator to deliver a new gas barrel.

In view of the above content, it can be known how to let users know that the gas is about to be used up in advance, and then purchase the gas in advance, so as to avoid the dilemma of knowing when the gas is used up and having to wait for the delivery of new gas to continue the operation.

The present invention is arranged between the gas supply source (for example: gas barrel) and the gas device (for example: gas furnace, water heater), and can temporarily block the combustion of gas when the gas stored in the gas supply source is reduced to a certain value. In this way, the user can be reminded to purchase gas in advance, and the user can resume the gas supply by operating the control lever to continue the operation. The problem of waiting for new gas to arrive before continuing the operation.

In order to achieve the above purpose and effect, the present invention provides 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, and the main body has a first connection communicating with 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 is passed through the through hole, and the control rod part is located outside the main body; a piston member, which has a closed head section and a rod section connected together, the closed head section is located in the second chamber, One end of the abutting rod section faces the control rod; and an elastic piece located in the second chamber, the elastic piece springs against the closing head section, wherein the side of the closing head section facing the through hole bears the thrust force When it is less than the elastic 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 of the closed head section towards the through hole is greater than that of the elastic member When the elastic resisting force is applied, the closed head section is far away from the through hole, and the air inlet and the air outlet communicate with each other.

1: main body

11: Air intake

12: Air outlet

14: The first containment room

15: The second chamber

16: Through hole

17: Setting the hole

2: Joystick

21: Detail

22: Thick section

221: Auxiliary slot

20: Piston parts

201: closed header

2011: Groove

202: Reach section

2021: Drop Surface

3: elastic parts

41: Through hole

42: The first annular groove

5: cap

51: Film Department

52: Peripheral wall

521: Second annular groove

6: Snap ring

7: Adjust the components

71: Push the surface

72: Stop lever

9: The second leak-proof ring

10: The third stop ring

The first figure is a three-dimensional schematic diagram of the present invention.

The second figure is an exploded schematic diagram of the present invention.

The third figure is a schematic cross-sectional view of the line segment III-III of the first figure.

The fourth figure is a schematic diagram of the closed head section being pushed by the gas to squeeze the elastic member.

The fifth picture is a schematic diagram of operating the control lever to force the gas to resume circulation.

The sixth picture is a schematic diagram of the gas push control rod return.

The seventh figure is a partial enlarged schematic diagram of the sixth figure.

The eighth figure is a schematic diagram of the adjustment and adjustment components.

The ninth figure is a schematic diagram of adjusting the adjusting assembly so that the stop rod abuts against the closing head section.

In order to understand the embodiments of the present invention in more detail, please watch with the drawings. As shown in the first to third drawings, it is a gas safety stock reminder device, which includes: a main body 1, the main body 1 has a The air inlet 11, an air outlet 12, 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, 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, the control rod 2 partially penetrates through the through hole 41, the control rod 2 is partially located outside the main body 1; a piston member 20 has a closed head section 201 and a rod section 202 connected to it, the closed head section 201 is located in the second chamber 15, the rod One end of the segment 202 faces the control rod 2; When the thrust force on the side is smaller than the elastic 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 force on one side of the 16 is greater than the resisting 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 communicate with each other.

Continuing the above content, the embodiments of the present invention will be described in detail. When the present invention is applied, the air inlet 11 needs to be connected to a gas supply source (eg, a gas bucket), and the air outlet 12 should be connected to a gas device (eg, a gas stove, a water heater) , at this time, when the gas device is started, the gas inside the gas supply source will be as shown in the fourth figure, the closing head section 201 will be pushed by the pressure and the elastic member 3 will be squeezed. At this time, the air inlet 11 and the outlet The gas port 12 is connected, and the gas can smoothly flow from the gas inlet port 11 to the gas outlet port 12 (in this embodiment, the gas flow path is indicated by an arrow), so as to supply the gas device to operate, but with the gas inside the gas supply source When the content decreases, the pressure of the gas will gradually decrease. 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 to the gas and cannot flow to the outlet. At the gas port 12, the gas device will stop working to remind the user that the gas is about to run out, so that the user can pre-purchase gas, and then the user only needs to press the control lever 2 as shown in the fifth figure to restore The connection between the air 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. The problem of having to wait for the delivery of new gas before continuing the operation, the present invention is indeed novel and progressive.

One end of the control rod 2 facing the first chamber 14 is recessed with an auxiliary groove 221 , and the abutting rod segment 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 .

Further, there is a cap 5 , and the cap 5 is disposed 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 peripheral side of the control rod 2 , the gap between the peripheral wall portion 52 and the control rod 2 is sufficient to accommodate the part of the main body 1 ; another clamping 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 retaining ring 6 is fastened to the peripheral wall portion 52, the closed head section 201 cannot be displaced due to the elastic force of the elastic member 3. This is a structure for forcibly maintaining the communication between the air outlet 12 and the air inlet 11. The user only needs to press the cap 5, and the cap 5 can be fastened to the clamping ring 6 provided on the main body 1, so that the control rod 2 connected with the cap 5 is kept in a depressed state, In this way, the closing head section 201 will remain in a depressed state, and the elastic force of the elastic member 3 is not enough to push the closing head section 201 to release the clamping state of the cap 5 and the clamping ring 6, so the closing head section 201 cannot indeed be closed. Due to the elastic resistance of the elastic member 3, it is displaced to maintain the communication between the air outlet 12 and the air inlet 11 and use the remaining gas, so that the user does not need to continuously press or fix the external object to maintain the air outlet 12 and the air inlet 11. The communication of the intake port 11 .

There is a gap between the outer peripheral wall surface of the abutting rod segment 202 and the inner wall surface of the auxiliary groove 221, and in this embodiment, as shown in the seventh figure, the abutting rod segment 202 is composed of a plurality of round rods with different diameters (although the figure (not shown, the abutting rod segment 202 can also be a straight rod without forming a drop surface 2021), with a drop surface 2021, and a gap is formed between the drop surface 2021 and the side of the control rod 2 that forms the auxiliary groove 221, so as shown in the figure As shown by the middle arrow, when the air inlet 11 is connected to 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 is separated and the control rod 2 is returned to the position before it is 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 shown in Figures 2 to 9, the control rod 2 has a thin section 21 and a thick section 22 connected together, the auxiliary groove 221 is located in the thick section 22, and the thicker the thick section 22, the wider the thicker section. The auxiliary groove 221 further increases the width of the gap between the outer peripheral wall surface of the abutment section 202 and the inner wall surface of the auxiliary groove 221 , and further increases the moment when the air inlet 11 is connected to a new gas supply source. The strong pressure will enter the intake air volume of the auxiliary groove 221 through the gap, so as to reduce the probability of the control rod 2 failing to return.

Further as shown in the third figure, the main body 1 has a first annular groove 42 at the part where the clamping ring 6 is arranged, and the clamping ring 6 is partially located in the first annular groove 42. This structure reduces the clamping 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 movably separated from each other (not shown), 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 a whole, but in practical applications, it can also be the main The part of the body 1 with the first chamber 14 defines a screw hole communicating with the first chamber 14 , and the part of the body 1 with the through hole 41 has a thread on the peripheral side of one end and can be threaded in the screw hole.

Further as shown in FIG. 5, a second annular groove 521 is annularly recessed on the inner side of the peripheral wall 52 of the cap 5. When the control rod 2 is displaced so that the securing ring 6 is fastened to the peripheral wall 52, The securing ring 6 is partially located in the second annular groove 521 to enhance the securing ability of the securing ring 6 to the cap 5 .

Further as shown in Figure 8, the main body 1 has a setting hole 17, the setting hole 17 is connected to the second chamber 15, and an adjusting component 7 is disposed in the setting hole 17, and the adjusting component 7 has a push Abutting surface 71, operating the adjusting component 7 to make the pushing surface 71 away from and close to the closing head section 201, one end of the elastic member 3 is disposed on the pushing surface 71, and the other end of the elastic member 3 springs against the closing head Section 201, this structure can change the pressing force of the adjustment component 7 on the elastic member 3, for example, increase the pressing force on the elastic member 3, then the closing head section 201 will be subjected to a greater elastic force, so the gas has to push the seal The head section 201 needs a larger pressure value. From this, it is known that this structure enables the user to adjust the pressure value at which the gas can push the closed head section 201 .

As further shown in FIG. 3 , a second leak-proof ring 9 is sandwiched between the adjustment component 7 and the main body 1 to prevent gas from leaking from between the adjustment component 7 and the main body 1 .

As shown in the third figure, a groove 2011 is recessed on the side of the closing head section 201 facing the elastic member 3, and the elastic member 3 is partially located in the groove 2011. This structure enables the elastic member 3 to stably spring against and close The head section 201 prevents the closing head section 201 from being displaced with the elastic member 3 during the movement of the closed head section 201 .

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

As further shown in FIG. 9, wherein the pushing surface 71 extends toward the closing head section 201 with a stop rod 72, and the adjusting component 7 is operated to make the stop rod 72 abut against the closing head section 201, the When the stop rod portion 72 abuts against the closing head section 201, the piston member 20 cannot move, so as to achieve the effect of forced closing. To cancel the forced closing function, reverse the operation of the adjustment component 7 to make the stop rod portion 72 does not abut the closing head section 201 .

The above descriptions are only used to explain the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Therefore, any modification of the present invention is made under the same spirit of the invention. Or modified, other forms that can be implemented and have the same effect should still be included in the scope of the intended protection of the present invention.

To sum up, the "gas safety inventory reminder device" of the present invention, in terms of practicability and cost-effectiveness, is indeed fully in line with the needs of industrial development, and the disclosed structural invention also has an unprecedented innovative structure, so it is There should be no doubt that it has "novelty", and the invention can be more effective than the conventional structure, so it is also "progressive", which fully complies with the requirements of the patent law of our country on the application requirements for new patents, and the patent is filed in accordance with the law. Application, and please Jun Bureau early review and give affirmation.

1: main body

12: Air outlet

2: Joystick

20: Piston parts

201: closed header

202: Reach section

21: Detail

22: Thick section

3: elastic parts

41: Through hole

5: cap

52: Peripheral wall

6: Snap ring

7: Adjust the components

71: Push the surface

72: Stop lever

9: The second leak-proof ring

10: The third stop ring

Claims (10)

A gas safety stock reminder device, comprising: A main body, the main body has an air inlet, an air outlet, a through hole, and 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 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 penetrates the through hole, and the control rod part is located outside the main body; a piston piece, which has a closed head section and a rod section connected, the closed head section is located in the second chamber, and one end of the rod section faces the control rod; and an elastic piece, which is located in the second accommodating chamber, and the elastic piece springs against the closed head section, wherein when the thrust force on the side of the closed head section facing the through hole is less than the elastic resistance of the elastic piece, When the closing 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 closing head section facing the through hole is greater than the elastic force of the elastic member, the closing head section Away from the through hole, the air inlet and the air outlet communicate with each other. The gas safety inventory reminder device as claimed in claim 1, further comprising a cap, the cap is disposed at one end of the control rod away from the main body with a piece portion, and the piece portion extends toward the main body to form a circumference around the control rod a peripheral wall part on the side, the gap between the peripheral wall part and the control rod is enough to accommodate the part of the main body; another clamping ring is arranged on the peripheral side of the part with the through hole of the main body, when the control rod is displaced so that the clamping When the fixing ring is fastened to the peripheral wall, the closed head section cannot be displaced due to the elastic force of the elastic member. The gas safety stock reminder device according to claim 1, wherein an auxiliary groove is recessed at one end of the control rod toward the first chamber, and a portion of the abutting rod section is located in the auxiliary groove. The gas safety stock reminder device according to claim 3, wherein there is a gap between the outer peripheral wall surface of the abutting rod segment and the inner wall surface of the auxiliary groove. The gas safety stock reminder device as claimed in claim 2, wherein a first annular groove is formed at the part of the main body where the clamping ring is arranged, the clamping 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 stock reminder device as claimed in claim 2, wherein a second annular groove is annularly recessed on the inner side of the peripheral wall of the cap, and when the control rod is displaced so that the securing ring is fastened to the peripheral wall, The retaining ring portion is located in the second annular groove. The gas safety stock reminder device as claimed in claim 1, wherein the main body has a setting hole, the setting hole is connected to the second chamber, and an adjusting component is disposed in the setting hole, and the adjusting component has a pusher operating the adjusting component to make the pushing surface away from and close to the closed head section, one end of the elastic piece is arranged on the pushing surface, the other end of the elastic piece springs against the closed head section, the adjusting component and the main body A second leak-proof ring is sandwiched therebetween. The gas safety stock reminder device as claimed in claim 7, wherein a stop rod portion extends from the pushing surface toward the closing head section, and the adjusting component is operated to make the stop rod abut against the closing head section, the When the stop rod abuts against the closing head section, the piston member cannot move. The gas safety stock reminder device as claimed in claim 1, wherein a side of the closed head section facing the elastic member is recessed with a groove, and the elastic member is partially located in the groove. The gas safety stock reminder device as claimed in claim 1, wherein the piston member is trapped with a third leak-proof ring, and the third leak-proof ring is located in the second chamber and abuts against the closed head section.

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