TWI818450B - Nozzle structure - Google Patents

Abstract

The present invention reveals a nozzle structure comprising a body with an airflow channel mounted through in, and a flange protruded on the inner wall of the airflow channel. A shifting rod is placed in the airflow channel movably with a protrude portion on the surface. Wherein a spring provides a bias force that make the protrude portion can against to the flange, and a press element provides a press force to let the protrude portion be staggered with the flange.

Description

Valve structure

A gas nozzle structure, especially a gas nozzle structure used for high-pressure inflatable bottles.

A high-pressure inflatable bottle is very common in modern life. Storing a gas in a high-pressure state into the high-pressure inflatable bottle can greatly reduce the overall volume of the high-pressure inflatable bottle and make it easy to carry. When the high-pressure inflatable bottle releases the gas through a gas nozzle, the gas will convert from the high-pressure state to a low-pressure state. The gas needs to absorb heat during the process of releasing the pressure, thereby increasing the temperature of the gas and the surrounding temperature of the gas flowing through it. Dip.

In current life, the air nozzle of the high-pressure inflatable bottle is made of metal. When the high-pressure inflatable bottle releases the gas, the air nozzle often freezes, which not only easily causes frostbite to the user, but also causes frostbite under repeated use. Damage may cause the valve to be unfavorable for use or even leak and must be replaced frequently.

In order to overcome the technical problem that the air nozzle of a high-pressure inflatable bottle is not easily damaged due to sudden temperature drops during use and is not conducive to user convenience, the present invention provides a structure of an air nozzle for a high-pressure inflatable bottle. , including an air flow channel that runs through a body, and a flange is protrudingly provided on the inner wall of any section of the air flow channel; an air valve member is provided in the air flow channel, and the air valve member includes a straight rod-shaped displacement rod, and the displacement rod A protrusion protrudes radially from any section, and the protrusion can move across the flange; a spring provides a resisting force to the displacement rod to align the protrusion with the flange position. Should and butt against each other: and a pressing member can move through the body corresponding to the position of the air valve member, and the pressing member provides a pressing force to the displacement rod to dislocate the protrusion and the flange.

Wherein, the inner wall of the air flow channel is provided with a threaded segment; the air valve member includes a hollow rod-shaped shell, and any area of its outer surface includes a threaded surface, and the air valve member communicates with the threaded segment through the threaded surface The flange protrudes from the inner surface of the housing, and the displacement rod is movable and displaceable in the housing; and the spring is sleeved around the periphery of the pressing member, and its two ends are respectively against the protrusion and the housing.

Wherein, both ends of the body are detachably connected to a high-pressure inflatable bottle and an adapter group respectively. The air valve divides the air flow channel into a first air flow channel close to the high-pressure inflatable bottle and a first air flow channel close to the transfer group. A second air flow channel is assembled, and the first air flow channel and the second air flow channel are selectively connected through the air valve member.

Wherein, both ends of the displacement rod are respectively located in the first air flow channel and the second air flow channel; the spring provides the protruding portion with the resisting force toward the second air flow channel; the pressing member corresponds to the second air flow channel. The air flow channel and the air valve member penetrate the body; the pressing force is given to the pressing member so that the pressing member abuts and pushes the end of the displacement rod in the second air flow channel and toward the first air flow channel. Move.

Wherein, the adapter group runs through a gas channel, one end of the gas channel is connected to the second air flow channel, and the adapter group is made of a low thermal conductivity material.

Further, the adapter set includes an adapter and an adapter, and both ends of the adapter are respectively connected to the adapter and the body, wherein at least one of the adapter and the adapter is connected by the adapter. Made of materials with low thermal conductivity.

Further, the pressing member is made of a material with low thermal conductivity.

Further, an ejector pin is disposed in the first air flow channel and close to the connection point with the high-pressure inflatable bottle. The ejector pin is a hollow needle-shaped object, and a tip thereof is disposed toward the open end.

Further, a temperature insulating member can be detachably covered on the surface of the body or integrated with the body.

When the air nozzle structure of the present invention is used, when the main body is combined with the high-pressure inflatable bottle, the tip of the thimble pierces the high-pressure inflatable bottle, so that the air flow is released inside the high-pressure inflatable bottle and enters the first air flow channel. At this time, Since the protrusion and the flange abut against each other, the airflow is blocked in the first airflow channel and cannot enter the second airflow channel.

Press the pressing member and push the displacement rod to move in the direction of the first air flow channel. A gap is generated between the air valve member and the flange, so that the air flow can flow to the second air flow channel and the adapter group through the gap. . When the pressing force given to the pressing member is removed, the spring pushes the air valve member to move in the direction of the second air flow channel, the protruding portion abuts against the position of the flange correspondingly, and the air flow is blocked in the first air flow channel within.

The air nozzle provided by the invention has a simple structure and is very convenient in production and operation. The mutual abutting relationship between the protrusion and the flange can effectively block the air flow in the first air flow channel when not in use, thereby avoiding leakage and achieving the best utilization efficiency of the high-pressure inflatable bottle. Moreover, the detachable arrangement relationship between the flange and the body can also greatly simplify the structure of the air flow channel in the body, effectively shortening the manufacturing cost and time of the body.

The adapter group can be made of a material with a low thermal conductivity such as plastic or bakelite, so that the adapter group is not easily deformed due to temperature changes caused by high-pressure release during inflation, preventing the valve structure from being difficult or difficult to disassemble. Is the occurrence of ice damage, extending the service life.

The pressing piece is also made of materials with low thermal conductivity. In addition to preventing the user from frostbite during use, it can also prevent the pressing piece from being deformed or damaged by freezing due to the sudden drop in temperature caused by the release of high pressure. The better displacement effect can also effectively prevent the air flow from leaking between the pressing member and the body, maintain good inflation efficiency, and extend the service life.

10:Ontology

11: Air flow channel

111:First airflow channel

112: Second airflow channel

113:Flange

12:Air valve parts

121:Displacement rod

122:Spring

123:Protrusion

124: Shell

1241: Resistance

125:Thread surface

126: Thread section

127: Airtight parts

13: Pressing parts

131: Compression part

132: Resistance Department

14: thimble

20:Transfer group

21:Gas channel

22:Adapter

23:Adapter

A: High pressure inflatable bottle

Figure 1 is a schematic diagram of a preferred embodiment of the present invention.

Figure 2 is a cross-sectional view of a preferred embodiment of the present invention.

Figure 3 is an air flow diagram of the preferred embodiment of the present invention.

As shown in FIGS. 1 and 2 , a gas nozzle structure for a high-pressure inflatable bottle is provided according to a preferred embodiment of the present invention. The gas nozzle structure includes a body 10 and an adapter group 20 . Among them, one end of the body 10 is connected to a high-pressure inflatable bottle A, and the other end of the body 10 is connected to the adapter group 20, and the body 10 can be connected to the high-pressure inflatable bottle A and the adapter group 20. When the main body 10 is assembled with the high-pressure inflatable bottle A and the adapter group 20 by means of meshing or detachable engagement, an air flow can be selectively directed to the high-pressure inflatable bottle A through the main body 10 toward the adapter group 20 flow.

The body 10 runs through an air flow channel 11 and includes an air valve member 12, a pressing member 13 and a thimble 14. The air valve member 12 is disposed in the air flow channel 11 so that the air flow channel 11 can be substantially divided into a first The air flow channel 111 and a second air flow channel 112 are selectively connected according to the control of the air valve member 12 . In the present invention, the relative positions of the first air flow channel 111 and the second air flow channel 112 do not limit the two. In this embodiment, the first air flow channel 111 is located in a direction close to connecting the high-pressure inflatable bottle A. And the second airflow channel 112 is located close to the direction connecting the adapter group 20 .

In the first preferred embodiment of the present invention, the air valve member 12 includes a displacement rod 121 and a spring 122 . The displacement rod 121 is in the shape of a straight rod, and its two ends are located in the first air flow channel 111 and the second air flow channel 112 respectively. A protrusion 123 protrudes radially in any section of the displacement rod 121, and the air flow A flange 113 protrudes from the inner wall of the channel 11 corresponding to the position of the protrusion 123, and the protrusion 123 is movable. Displacement passes through the flange 113 in the air flow channel 11 . When the positions of the protrusion 123 and the flange 113 correspond to each other, the first airflow channel 111 and the second airflow channel 112 cannot communicate, so that the airflow cannot pass through the first airflow channel 111 and the second airflow channel 112 . flows between the second air flow channels 112 .

The spring 122 provides a resisting force to the displacement rod 121, so that when the valve structure is not operated, the protruding portion 123 can continuously correspond to the position of the flange 113. In this embodiment, the spring 122 is configured The protruding portion 123 is in the first airflow channel 111 and toward the second airflow channel 112 .

The pressing member 13 corresponds to the second airflow channel 112 and the air valve member 12 penetrating the body 10 , and its two ends respectively include a pressing portion 131 located outside the body 10 and a resistor located inside the second airflow channel 112 . The pressing part 132 gives the pressing part 131 a pressing force in the direction of the air valve member 12, so that the pressing part 132 abuts and pushes the end of the displacement rod 121 in the second air flow channel 112, causing the displacement rod 121 to Move toward the first airflow channel 111 , causing the protruding portion 123 to displace toward the first airflow channel 111 . When the protruding portion 123 is displaced from the flange 113 , the air valve member 12 and the flange 113 are displaced. A gap is formed between the flanges 113 , and the first air flow channel 111 and the second air flow channel 112 are connected.

The ejector pin 14 is disposed in the first air flow channel 111 and close to the connection point with the high-pressure inflatable bottle A. The ejector pin 14 is a hollow needle-shaped object, and a tip thereof is disposed toward the open end. When the body 10 is assembled with the high-pressure inflatable bottle A, the tip of the ejector pin 14 can pierce the high-pressure inflatable bottle A, so that the interior of the high-pressure inflatable bottle A releases the airflow into the first air flow channel 111 .

In the second preferred embodiment provided by the present invention, the flange 113 does not limit the protrusion of the inner wall connected to the air flow channel 11 . For example, the air valve member 12 includes a shell 124. The shell 124 is a hollow rod-shaped shell. Any area of its outer surface includes a threaded surface 125, and the inner wall of the airflow channel 11 is provided with a threaded segment 126. , so that the air valve member 12 can be screw-locked in the air flow channel 11 through the threaded surface 125, fixing its position in the body 10, and avoiding being affected by the air pressure of the high-pressure inflatable bottle A. the The detachable arrangement of the flange 113 and the body 10 can greatly simplify the structure of the air flow channel 11 in the body 10 and effectively shorten the manufacturing cost and time of the body 10 .

The displacement rod 121 is movably displaceable within the housing 124, and the flange 113 protrudes from the inner surface of the housing 124 at a position corresponding to the protrusion 123, so that the first air flow channel 111 and the second air flow channel 112 can The air valve member 12 can be selectively connected according to the control. A resisting edge 1241 protrudes radially from the inner wall of the housing 124 close to the first airflow channel 111. The spring 122 is sleeved on the periphery of the pressing member 13, and its two ends respectively abut against the protrusion 123 and the resisting edge. 1241, so that when the body 10 is not operated, the protruding portion 123 can continuously abut against the position of the flange 113.

Preferably, the end of the displacement rod 121 protruding from the first airflow channel 111 is covered with an airtight component 127. The outer diameter of the airtight component 127 is larger than the inner diameter of the housing 124, and the airtight component 127 is not in operation when it is not operated. , with the resisting force provided by the spring 122, the airtight component 127 abuts and seals the opening of the housing 124 in the second airflow channel 112, so that the air valve component 12 can exhibit an excellent airtight effect and prevent the When the air nozzle structure is not in use, the air flows or leaks in the air channel. The structural relationship between the air seal 127 and the shell 124 can also prevent the displacement rod 121 from being affected by the high-pressure inflatable bottle A when in use. Detached or damaged due to air pressure.

The airtight component 127 provided by the present invention is not limited to closing one of the openings of the housing 124. The airtight component 127 can achieve its purpose by sealing the air flow channel 11 based on the resisting force. For example, the third embodiment provided by the present invention is different from the first embodiment in that the airtight member 127 can be sleeved on the outside of the displacement rod 121 in the direction of the first airflow channel 111 relative to the protrusion 123 around, and the outer diameter of the air-tight component 127 is preferably larger than the protrusion 123 , the spring 122 is disposed in the first airflow channel 111 to abut against the air-tight component 127 , so that the protrusion 123 continuously corresponds to the flange When in the 113 position, the air sealing member 127 cooperates with the resisting force provided by the spring 122 to resist the flange 113 and produce the effect of closing the air flow channel 11 .

The adapter group 20 is connected to the body 10. The adapter group 20 can be made of a material with low thermal conductivity, such as plastic or bakelite, so that the adapter group 20 is not susceptible to temperature changes caused by the release of high pressure during inflation. This will lead to deformation and prevent the valve structure from being difficult to disassemble or being damaged by freezing. The adapter group 20 runs through a gas channel 21 , and one end of the gas channel 21 is connected to the second gas flow channel 112 . The adapter set 20 may further include an adapter 22 and an adapter 23. The adapter 22 and the adapter 23 are not limited to the same material. Both ends of the adapter 22 are connected to the adapter respectively. The joint 23 and the body 10. In this embodiment, the two ends of the adapter 22 include two threaded sections, and the two threaded sections can be threaded with the body 10 and the adapter 23 respectively.

When the air nozzle structure of the present invention is used, when the body 10 is engaged with the high-pressure inflatable bottle A, the tip of the thimble 14 pierces the high-pressure inflatable bottle A, and the airflow is released inside the high-pressure inflatable bottle A and enters the first In the air flow channel 111 , at this time, since the protrusion 123 of the air valve member 12 and the flange 113 abut against each other, the gas is blocked in the first air flow channel 111 and cannot enter the second air flow channel 112 .

Next, please refer to Figure 3, press the pressing part 131, and push the displacement rod 121 to move in the direction of the first air flow channel 111. A gap is generated between the air valve member 12 and the flange 113, so that the air flow is as indicated by the arrow. The air flows through the gap to the second airflow channel 112 and the adapter group 20 . When the pressing force given to the pressing member 13 is removed, the spring 122 pushes the air valve member 12 to move in the direction of the second air flow channel 112. The protruding portion 123 contacts the flange 113 correspondingly, and the air flow is blocked. in the first airflow channel 111.

Preferably, the pressing member 13 can be made of the same material with low thermal conductivity as the adapter set 20 . In addition to preventing the user from frostbite during use, it can also avoid the risk of the pressing member 13 being released due to high pressure. Deformation or ice damage caused by a sudden drop in temperature shows a better displacement effect, which can effectively prevent the airflow from leaking between the pressing member 13 and the body 10 and maintain good inflation efficiency.

Furthermore, in order to prevent the surface of the body 10 of the valve structure from a sudden drop in temperature during use, making it difficult for the user to operate or even causing frostbite, the body 10 is provided with a temperature insulating component that can cover the surface. The main body 10 is presented on the surface, or is integrated with the main body 10 .

The air nozzle provided by the invention has a simple structure and is very convenient in production and operation. The mutual abutment relationship between the protrusion 123 and the flange 113 can effectively block the airflow in the first airflow channel 111 when not in use. With the arrangement of the airtight component 127, leakage can be effectively avoided and achieved. High-pressure inflatable bottle A has the best utilization efficiency. The materials of the adapter group 20 , the pressing member 13 and the temperature insulating member are selected so that the user is less likely to suffer frostbite during operation, thereby preventing the valve structure from being damaged by repeated temperature changes and extending the service life.

10 body 11 air runner 12 valve parts 121 displacement rod 122 spring 123 protrusion 13 pressing parts 14 thimbles 20 transfer group A high pressure inflatable bottle

Claims (9)

An air nozzle structure includes a body, including: an air flow channel that runs through the body, and a flange is protrudingly provided on the inner wall of any section of the air flow channel; an air valve member is provided in the air flow channel, and the air valve member includes a straight rod A displacement rod in the shape of a radial protrusion protrudes from any section of the displacement rod, and the protrusion can move across the flange; a spring is disposed in the first airflow channel and provides a spring for the displacement rod. The resisting force makes the protrusion correspond to the position of the flange and abut against each other: and a pressing member movably penetrates the body corresponding to the position of the air valve member, and the pressing member provides a pressing force to the displacement rod, so that the protrusion The part is misaligned with the flange. The air nozzle structure according to claim 1, wherein: the inner wall of the air flow channel is provided with a threaded section, the air valve member includes a hollow rod-shaped shell, and any area of its outer surface includes a threaded surface. The valve member is threaded through the threaded surface and the threaded segment and is fixed in the air flow channel, wherein: the flange protrudes from the inner surface of the housing, and the displacement rod is movable and displaceable within the housing; the spring is sleeved On the periphery of the displacement rod, its two ends respectively abut against the protrusion and the housing; and an airtight component is set around the outer periphery of the displacement rod, and the displacement rod seals the air flow channel in response to the abutment force. In the valve structure of claim 1 or 2, the pressing member is made of a material with low thermal conductivity. As for the air nozzle structure described in claim 1 or 2, one end of the body can be detachably connected to a high-pressure inflatable bottle, and the air valve member divides the air flow channel into a first air flow close to the high-pressure inflatable bottle. channel and a second air flow channel, the first air flow channel and the second air flow channel can be selectively connected through the air valve member, wherein: Both ends of the displacement rod are located in the first airflow channel and the second airflow channel respectively. The displacement rod is provided with an airtight component at the end of the second airflow channel. The airtight component seals the airflow channel based on the resisting force. ; The spring provides the resisting force of the protrusion toward the direction of the second air flow channel; the pressing member corresponds to the second air flow channel and the air valve member penetrating the body, giving the pressing member the pressing force, so that the pressing force The component resists and pushes the end of the displacement rod located in the second airflow channel and moves toward the first airflow channel. As for the air nozzle structure described in claim 4, the other end of the body can be detachably connected to an adapter group, the adapter group runs through a gas channel, and one end of the gas channel is connected to the second air flow channel. , wherein the adapter group is made of a low thermal conductivity material. As for the valve structure described in claim 5, the adapter set includes an adapter and an adapter, and both ends of the adapter are respectively connected to the adapter and the body, wherein the adapter and At least one of the adapters is made of the low thermal conductivity material. As for the air nozzle structure described in claim 4, a thimble is disposed in the first air flow channel and close to the connection point with the high-pressure inflatable bottle. The thimble is a hollow needle-shaped object, and a tip thereof is disposed toward the open end. In the valve structure of claim 5, the pressing member is made of a material with low thermal conductivity. As for the air nozzle structure described in claim 4, a temperature insulation component can be detachably covered on the surface of the body or integrated with the body.

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