TWI231855B - Leakable gas outlet valve component - Google Patents

Abstract

This invention relates to a leakable type gas outlet valve component used in an ignition device, comprising a hollow seat body, of which an bottom end opening can let a gas enter into the interior thereof, and the top end is fit with a bolt bushing. An outlet nozzle penetrates into the top end opening of the bolt bushing to the bottom end opening of the seat body, and an airtight gasket is fit provided between the bottom end opening of the outlet nozzle and the bottom end opening of the seat body. Furthermore, the top end of the outlet nozzle is exposed outside of the opening of the bolt bushing and connected with an outlet pipe, and a driving plate is provided between the outlet nozzle and the opening outside the bolt bushing. A protrusion part is provided on the outer diameter of the outlet nozzle at a predetermined length located inside the inside diameter of the bolt bushing, and a spring is made to abut the protrusion part and the inner wall of the bolt bushing opening, respectively. Moreover, a hole is provided on the side wall of the outlet nozzle adjacent to the inside diameter of the seat body, in which a shoulder part is provided on the outside diameter of the outlet nozzle located near the inside diameter opening of the bolt bushing. The shoulder part maintains a predetermined gap with the bolt bushing opening when the driving plate is not pressed down. Thus, when the gas inside the outlet pipe for the combustion flame of one end of the ignition device is blocked, the residual gas inside the outlet pipe can flow backward and leak out from the gap and the bolt bushing opening, so as to achieve the effect of fast quenching the flame.

Description

1231855 V. Description of the invention α) [Technical field to which the invention belongs] The present invention relates to a leakable gas outlet valve member, in particular to a kind of igniter that allows the remaining gas in a gas outlet pipe to leak backward to the outside, In order to make the burning flame at the fire end of one of the igniters achieve the effect of rapid fire collection, the gas valve member is provided to provide the user with a more complete and higher safety igniter. [Prior art]

According to the pressure igniter commonly used in general, please refer to Fig. 1. It has a slightly rectangular handle part 10, and one end of the handle part 10 extends outwardly with a hollow tube. A body 11 is provided with a pressure head 12 at the free end of the tube body 11. One end 121 of the pressure head 12 has a larger inner diameter at the position where it is connected to the tube body 11, and the other end is within 1 2 2 The diameter is significantly smaller, and a gas cylinder 13 is attached to the handle portion 10, and the gas cylinder 13 is connected to an air outlet valve 14 at the end, and the air outlet valve 14 is connected by a A hollow sleeve 1 4 1 is provided with a screw sleeve 1 4 2 at the front end, and an air outlet 1 4 3 is extended outward from the bottom end of the seat 1 4 1 through the screw sleeve 1 4 2 front port 1 4 4 is exposed,

The air outlet 143 has a flange 145 at the end, which can be connected to an air outlet tube 151, and a driving piece is provided between the air outlet 1 4 3 flange 1 4 5 and the screw sleeve 1 4 2 15. The outer diameter of the air outlet 1 4 3 is provided with a protrusion 1 4 6 on a predetermined length between the inner diameter of the screw sleeve 1 4 2, and the inner diameter of the screw sleeve 1 4 2 and the air outlet 143 A washer 147 and a spring 1 4 8 are sequentially sleeved between the protruding portions 146 of the air outlet, and the side wall of the air outlet 1 4 3 is arranged adjacent to the inner diameter of the seat 1 4 1.

Page 6 1231855 V. Description of the invention (2) There is a hole 149, and an airtight pad 16 is sleeved on the bottom end of the air outlet 143 between the bottom end of the seat body 141. By this, when the driving piece 15 is pressed down (as shown in FIG. 2), the air outlet 143 flange 145 can be lifted to move the airtight seal 16 at the bottom end to the bottom of the seat 141 The gas in the 'end-opened' gas cylinder 13 can enter from the bottom end of the seat body 141, and punch out from the air outlet pipe 151 to the free end of the pipe body 11 in the direction of the arrow, and pass through an ignition tube (not shown) Jump over to ignite the flame. However, after the ignition of the pressure igniter manufactured by the gas outlet valve 14 mentioned above, the phenomenon of slow fire recovery often occurs, causing the user to think that the driving piece 15 has been released to restore the outlet nozzle 1 4 3 to its original state. Position, the gas in the gas cylinder 1 3 has stopped the flame and no longer continues to burn, but this is not the case. Please refer to Figure 1, when the driving piece 15 is released, the air outlet 1 4 3 returns to its original position. Although the airtight gasket 16 at the bottom end of the air outlet 143 has sealed the bottom end of the seat body 141 to block the gas in the gas cylinder 1 3, the gasket located in the front port 1 44 of the screw sleeve 1 2 1 47 due to the support of spring 1 48 is still in a sealed state, resulting in the remaining gas in the outlet pipe 1 5 1 due to the tube flow and pressure principle can not form a reverse flow, can only overflow along the outlet pipe 1 5 1, that is, When the gas pressure in the gas outlet tube 151 is greater than the external pressure, the gas gas in the gas outlet tube 151 will continuously flow out of the free end of the tube body 11 until the pressure in the gas outlet tube 1 5 1 gradually becomes smaller than the external pressure. Stop outflow, and this is the main reason for slow fire collection, such as Also cause fire accidents happen irreparable regret.

1231855 V. Description of the invention (3) [Summary of the invention] In view of the above inventors' feeling that the existing gas flaws in the traditional gas igniter's gas valve have existing safety flaws, which can easily cause irreparable accidents such as fire accidents. It is highly praised by users. Therefore, based on the actual needs of the market and users, and in order to solve the above problems, the inventor, based on years of experience in the industry, has developed and designed the present invention after long-term efforts in research and experiment. A kind of "leakable gas outlet valve member" is expected to provide a more complete and higher safety igniter through the ingenuity of the present invention.

An object of the present invention is to provide a leakable gas outlet valve member. One of the outlet valve members is provided with a shoulder near an inner diameter opening of a screw sleeve, and the shoulder is provided with a driving blade. When pressed, a predetermined gap is maintained with the top opening of the screw sleeve. When the driving piece is pressed, an airtight pad at the bottom end of the air outlet can be relatively moved up, so that the opening at the bottom end of the body is opened, and the gas is opened. It can enter into it, and at the same time, the shoulder of the air outlet nozzle is sealed with the opening of the screw sleeve, and the air outlet tube is punched out from the air outlet nozzle to ignite the flame. When the driving plate is released, the air outlet nozzle is caused by A spring acts on it to return to its original position, and an air-tight pad at the bottom of the air outlet seals the opening at the bottom of the seat to block gas from entering, while keeping the shoulder of the air outlet and the opening of the screw sleeve A predetermined gap, and the remaining gas in the gas outlet pipe leaks out of the gap and the opening of the screw sleeve because the external pressure is greater than the pressure in the gas outlet pipe, so as to achieve the effect of rapid fire collection, so, you can To prevent regrettable phenomena such as slow fire, which has been blocked by gas but the flame continues to burn, and easy to cause fire accidents.

Page 8 1231855 V. Description of the invention (4) In order to facilitate your review committee to have a better understanding and understanding of the technical means and operating process of the present invention, the following examples are given in conjunction with the drawings to explain in detail: [Embodiment]

The invention is a "leakable gas outlet valve member", which is used in an igniter, which can be a pressure igniter or a general igniter. In this embodiment, please refer to FIG. 3 Taking the pressure igniter as an example, it has a slightly rectangular grip portion 50, and one end of the grip portion 50 extends outwardly with a hollow tube body 51. The tube body 51 is free A pressure head 5 2 is provided in the end, and one end 5 2 1 of the pressure head 5 2 has a larger inner diameter at the place where it is connected to the pipe body 5 1, and the inner diameter of the other end 5 2 2 is significantly smaller. A gas cylinder 53 is arranged inside the grip part 50, and one end of the gas cylinder 53 is connected with the air outlet valve member of the present invention.

The air outlet valve component of the present invention includes a hollow seat body 30, and the bottom opening 30 of the seat body 30 is capable of allowing gas gas in the gas cylinder 53 to enter therein, and the top of the seat body 30 is externally connected. A screw sleeve 3 1 is sleeved, and the top opening 3 1 1 of the screw sleeve 3 1 can make an air outlet 3 2 extend into the vicinity of the bottom opening 3 0 1 of the base 30, and, The top end of the air outlet 3 2 is a flange-shaped 3 2 1 is exposed outside the top opening 3 1 1 of the screw sleeve 3 1, and the flange-shaped 3 2 1 of the air outlet 3 2 can be connected with a The air outlet pipe 3 3 is arranged next to each other, and a driving piece 35 is arranged between the flange-shaped 3 2 1 of the air outlet nozzle 3 2 and the top opening 3 1 1 of the screw sleeve 31.

Page 9 1231855 V. Description of the invention (5) In the present invention, a protrusion 3 2 2 is provided on a predetermined length between the inner diameter of the screw sleeve 3 1 and the protrusion 3 2 2 A spring 3 6 is sleeved on the protruding portion 3 2 2 of the air outlet 3 2 so that the two ends of the spring 3 6 can be respectively supported on the protruding portion 3 2 2 and the screw sleeve 3 1 and the top opening 3 1 1 A hole 3 2 3 is provided on the inner wall adjacent to the inner wall of the air outlet 3 2 adjacent to the inner diameter of the seat body 30 and an air-tight pad 3 7 is set on the air outlet 3 2 at the bottom end opening 3 2 4 is located at the bottom end opening 301 of the base 30.

The technical feature of the air outlet valve member of the present invention is that the outer diameter of the air outlet 32 is provided with a shoulder 3 2 5 near the top opening 3 1 1 of the screw sleeve 3 1, and the shoulder 3 2 5 is When the driving piece 3 5 is not depressed, a predetermined gap G is maintained with the top opening 3 1 1 of the screw sleeve 3 1. Therefore, when the driving piece 35 is depressed, please refer to FIG. 4, the flange 32 of the air outlet 32 can be lifted up, and the airtight pad 37 at the bottom end can be moved upward, so that the seat body 30 The bottom opening 3 0 1 is opened, and at the same time, the shoulder 3 2 5 of the air outlet 3 2 is sealed with the screw sleeve 3 1 at the top opening 3 1 1, and the gas can enter it, and the gas is discharged from the air in the direction of the arrow. The hole 3 2 3 of the mouth 32 is punched out to the air outlet pipe 3 3 and flashes through an ignition tube (not shown) to ignite the flame.

In addition, when the driving piece 3 5 is released, please refer to FIG. 3 again. The air outlet 3 2 is returned to its original position by the spring 36 on it, and the airtight pad 3 7 at the bottom of the air outlet 3 2 The opening 3 0 1 at the bottom end of the seat body 30 is sealed to block gas from entering, and the shoulder 3 2 5 of the air outlet 3 2 and the screw sleeve 3 1 are opened at the top end 3 1 1 with a predetermined gap G Therefore, the remaining gas in the outlet pipe 33 is caused to flow backward in the direction of the arrow because the external pressure is greater than the internal pressure of the outlet pipe 33, and leaks from the gap G and the opening 3 1 1 of the top end of the screw sleeve 3, So that

Page 10 1231855 V. Description of the invention (6) The effect of rapid fire collection can be achieved. In the present invention, please refer to FIG. 3 and FIG. 4 again. A washer 40 can be sleeved on the shoulder 325 of the air outlet 3, and when the driving piece 35 is not depressed, it is connected with the screw sleeve. The top end opening 3 1 of the barrel 3 1 is maintained at a predetermined gap G. In the present invention, please refer to FIG. 3 and FIG. 5. The shoulder 325 of the air outlet nozzle 3 2 may be a tapered surface. At the same time, when the driving piece 35 is not depressed, it is connected to the screw sleeve 3. 1 The top opening 3 1 1 maintains a predetermined gap G. In addition, when the shoulder 325 of the gas outlet nozzle 32 is pressed down by the driving piece 35, although it is still in a state of a predetermined gap G with the top opening 3 1 1 of the screw sleeve 3 1, the gas gas enters During this time, part of the gas will leak from the gap G momentarily, but because the shoulder 3 2 5 of the air outlet nozzle 3 2 immediately forms a seal with the top opening 3 1 1 of the screw sleeve 3 1, the present invention In order to solve the unfortunate irreparable accidents, such as the slow recovery of fire and the occurrence of fire accidents, it is worthwhile for this gas to leak instantly from the gap G. Moreover, the gas valve component system of the present invention can be applied in any form In the lighter. According to the above, it is only one of the best specific embodiments of the present invention, but the structural features of the present invention are not limited to this. Anyone skilled in the art can easily think of the changes or Modifications should be covered by the scope of patent application in the following case.

1231855 Brief description of the drawings Brief description of the drawings: Figure 1 is a schematic perspective view of a conventional pressure igniter; Figure 2 is a schematic view of a gas outlet valve in Figure 1; Figure 3 is a schematic perspective view of a pressure igniter of the present invention Figure 4 is a schematic view of the air valve member of Figure 3; Figure 5 is another schematic view of the air valve member of the present invention. Representative symbols of the main parts: Hollow seat body ... 30 Bottom opening ... 301, 324

Screw sleeve ... 31 Top opening ... 3 11 Air outlet ... 3 2 Flange shape ... 321 Projection ... 3 2 2 Hole ... 323 Shoulder ...... 3 2 5 Scheduled clearance ... G Outlet tube ... 33 Drive piece ... 35 Spring ... 36 Airtight pad ... 37 Washer ... 40 Grip ... 50 Hollow Body ... 51 Pressure head ... 5 2 One end ... 521 The other end ... 522

Gas cylinder ...... 53

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Claims (1)

1231855 VI. Application patent scope 1. A leakable gas outlet valve member used in an igniter, the outlet valve member includes: a hollow seat body, the bottom end of the seat body allows a gas gas to enter into it Inside; a screw sleeve, the screw sleeve is sleeved outside the top of the base body, and the top of the screw sleeve has an opening; An air outlet nozzle is extended from the top opening of the screw sleeve to the vicinity of the bottom end opening of the base body, and the top end of the air outlet is exposed to the screw sleeve in a flange shape. Outside the top end opening, an outer diameter of the air outlet nozzle is provided with a protruding portion on a predetermined length between the inner diameter of the screw sleeve, and a spring is sleeved on the convex portion of the air outlet nozzle so that the spring The ends respectively support the protruding portion and the inner wall adjacent to the inside of the opening of the top end of the screw sleeve, and a side hole of the air outlet is provided with a hole adjacent to the inner diameter of the seat; an air-tight pad, the air-tight pad is sleeved on An opening at the bottom end of the air outlet is located at the bottom end opening of the base body; an air outlet pipe is connected with the flange shape of the air outlet; a driving plate is provided at the air outlet The flange of the mouth is between the top openings of the screw sleeve; It is characterized in that the outer diameter of the air outlet nozzle is provided with a shoulder near the inner diameter opening of the screw sleeve, and the shoulder maintains a predetermined gap with the screw sleeve opening when the driving piece is not depressed. 2. The leakable gas outlet valve member described in item 1 of the scope of the patent application, wherein a washer is sleeved on the shoulder of the outlet nozzle, and the screw sleeve is opened when the driving piece is not depressed. Maintain a predetermined gap. Page 13 1235855 6. Patent application scope 3. The leakable gas outlet valve member described in item 1 of the patent application scope, wherein the shoulder of the air outlet nozzle has an oblique tapered surface, and the driving plate is not pressed down. At this time, a predetermined gap is maintained with the screw sleeve opening. 4. The leakable gas outlet valve member according to item 1 of the scope of patent application, wherein the igniter may be a pressure igniter, which has a slightly rectangular grip portion, and one of the grip portions faces A hollow tube body is provided at a distance extending from the outside. A pressure head is arranged inside the free end of the tube body. One end of the pressure head has a larger inner diameter at the junction with the pipe body, and the inner diameter of the other end is Markedly It is small, and a gas cylinder is arranged in the grip part, and one end of the gas cylinder is connected to the bottom end of the seat body to open through. 5. The leakable gas outlet valve member described in item 1 of the scope of patent application, wherein the igniter may be a general igniter, which has a slightly rectangular grip portion, and one of the grip portions faces A hollow pipe body is extended for a distance, and a gas cylinder is arranged inside the grip part, and one end of the gas cylinder is open through the bottom end of the seat body. Page 14