TWM655671U - Inflatable device suitable for high-pressure gas cylinders and pumps - Google Patents

Abstract

The invention is applicable to the inflation device of a high-pressure gas cylinder and a pump, which includes a pump and a nozzle head. The pump includes a cylinder group and an inflation pipe. One end of the inflation pipe is connected to the cylinder group. An outer threaded portion is provided at the end of the inflation pipe opposite to the cylinder group. The nozzle head includes a sleeve member, which has a first end and a second end. The sleeve member is provided with a filling hole, which is connected to the first end of the first sleeve member. One end and the second end, an internal threaded portion, an American thread and a French thread are arranged in the filling hole, the specification of the internal threaded portion is 3/8″-24UNF and is adjacent to the first end, the internal threaded portion is detachably connected to the external threaded portion, the American thread is adjacent to the second end, and the French thread is arranged between the internal threaded portion and the American thread. The inflation device enables the nozzle head to be suitable for a pump or a high-pressure gas cylinder through the above structure.

Description

Inflator for high pressure gas cylinders and pumps

This invention mainly discloses an inflation device, especially an inflation device applicable to a high-pressure gas cylinder and a pump.

Please refer to the patent case of "Inflatable connector and its combination with gas cylinder" of Taiwan Patent No. I649505, which is an inflation connector, which includes a body, a first one-way valve group and a second one-way valve group. The body includes a first air channel, a second air channel and a third air channel. The first air channel is suitable for connecting to a gas cylinder or a high-pressure gas cylinder, and the first air channel is unidirectionally connected to the second air channel and the third air channel respectively, the second air channel is suitable for connecting to an air pump, and the third air channel is suitable for connecting to an inflatable object. The first one-way valve group is arranged between the first air channel and the second air channel, so that the compressed gas can only flow from the second air channel to the first air channel. The second one-way valve group is arranged between the first air channel and the third air channel, so that the compressed gas can selectively flow only from the first air channel to the third air channel.

However, the above-mentioned inflation connector must be provided with three interfaces to provide a structure for assembling the high-pressure gas cylinder, the air pump and the air nozzle, resulting in a complicated structure of the inflation connector.

In view of the defects of the above-mentioned known structures, the inventors have designed an inflation device applicable to high-pressure gas cylinders and pumps, which can overcome all the shortcomings of the above-mentioned known structures.

The invention is applicable to the inflation device of high-pressure gas cylinders and pumps. The main purpose is to provide an inflation device including a pump and a nozzle head. The pump includes a cylinder group and an inflation pipe. One end of the inflation pipe is connected to the cylinder group. The inflation pipe is provided with an external threaded portion at the end opposite to the cylinder group. The nozzle head includes a sleeve member. The sleeve member is provided with a first end and a second end opposite to the first end. The sleeve member is provided with a filling hole through which the filling hole is connected to the cylinder group. The first end and the second end, the filling hole is provided with an internal threaded portion, an American thread and a French thread, the specification of the internal threaded portion is 3/8″-24UNF and is adjacent to the first end, the internal threaded portion is detachably connected to the external threaded portion in a screw-locking manner, the American thread is adjacent to the second end and can be connected to a American gas nozzle, the French thread is provided between the internal threaded portion and the American thread and can be connected to a French gas nozzle, and the inflation device enables the nozzle head to be applicable to the pump or high-pressure gas cylinder through the above structure.

The nozzle head includes a push pin, which is arranged in the filling hole. A tapered portion is arranged at one end of the push pin, the tapered portion is adjacent to the inner threaded portion, and the tapered portion is tapered and faces the inner threaded portion.

The nozzle head includes a first airtight member and a second airtight member. The first airtight member and the second airtight member are respectively annular and arranged in the filling hole. The first airtight member is located between the American thread and the French thread. The second airtight member surrounds the tapered portion and is located between the internal thread portion and the top pin.

Other objects, advantages and novelties of this invention will become more apparent from the following detailed description and the accompanying drawings.

The techniques, means and effects used in this invention are described in detail below with reference to a preferred embodiment and accompanying drawings. This is for illustrative purposes only and is not limited to this structure in patent applications.

Referring to Figures 1 to 3, the three-dimensional appearance diagram, three-dimensional exploded diagram, and the use state diagram of the nozzle head connected to the high-pressure gas cylinder are shown in the invention. The invention's inflation device 10 includes a pump 20 and a nozzle head 30; wherein:

The pump 20 includes a cylinder block 21 and an air filling pipe 22. One end of the air filling pipe 22 is connected to the cylinder block 21. An outer threaded portion 221 is disposed at one end of the air filling pipe 22 opposite to the cylinder block 21.

The nozzle head 30 includes a sleeve member 31, the sleeve member 31 is provided with a first end 311 and a second end 312 opposite to the first end 311, the sleeve member 31 is provided with a filling hole 313 through it, the filling hole 313 connects the first end 311 and the second end 312, and the filling hole 313 is provided with an internal thread portion 314, an American thread 315 and a French thread The inner thread portion 314 has a specification of 3/8″-24UNF and is adjacent to the first end 311. The inner thread portion 314 is detachably connected to the outer thread portion 221 in a screw manner. The American thread 315 is adjacent to the second end 312 and can be connected to a Schrader valve. The French thread 316 is disposed between the inner thread portion 314 and the American thread 315 and can be connected to a Presta valve.

The nozzle head 30 includes a push pin 32 disposed in the filling hole 313. A tapered portion 321 is disposed at one end of the push pin 32. The tapered portion 321 is adjacent to the internal threaded portion 314. The tapered portion 321 is tapered and faces the internal threaded portion 314.

The nozzle head 30 includes a first airtight member 33 and a second airtight member 34. The first airtight member 33 and the second airtight member 34 are respectively annular and disposed in the filling hole 313. The first airtight member 33 is located between the American thread 315 and the French thread 316. The second airtight member 34 surrounds the tapered portion 321 and is located between the inner thread portion 314 and the ejector pin 32.

The inflation device 10 enables the nozzle head 30 to be applicable to the pump 20 or the high-pressure gas cylinder 90 through the above structure. The nozzle head 30 is applicable not only to Schrader gas nozzles and Presta gas nozzles, but also to the user who holds the high-pressure gas cylinder 90, the nozzle head 30 can be separated from the pump 20, and the high-pressure gas cylinder 90 can be assembled to the nozzle head 30, and the high-pressure gas cylinder 90 can be directly used to provide air to inflate the tire. Even if the user does not hold the high-pressure gas cylinder 90, the pump 20 can still be used to pressurize the air to inflate the tire. The inflation device 10 has a wide range of applications and is sufficiently convenient.

Based on the above, it can be concluded that this creation has the following advantages:

1. The invention is applicable to an inflator for a high-pressure gas cylinder and a pump, wherein the inflator comprises a pump and a nozzle head, wherein the pump comprises a cylinder group and an inflator tube, wherein one end of the inflator tube is connected to the cylinder group, and an outer threaded portion is disposed at an end of the inflator tube opposite to the cylinder group, and the nozzle head comprises a sleeve member, wherein the sleeve member comprises a first end and a second end opposite to the first end, and wherein a filling hole is disposed through the sleeve member, wherein the filling hole connects the first end and the second end of the inflator tube. The second end, the filling hole is provided with an internal threaded portion, an American thread and a French thread, the specification of the internal threaded portion is 3/8″-24UNF and is adjacent to the first end, the internal threaded portion is detachably connected to the external threaded portion in a screw-locking manner, the American thread is adjacent to the second end and can be connected to a American gas nozzle, the French thread is provided between the internal threaded portion and the American thread and can be connected to a French gas nozzle, and the inflation device enables the nozzle head to be applicable to the pump or high-pressure gas cylinder through the above structure.

However, what is described above is only the preferred embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, any changes in numerical values or replacement of equivalent components, or equivalent changes and modifications made within the scope of the patent application of the present invention should still fall within the scope of the present patent.

10: Inflatable device

20: Pump

21: Cylinder group

22: Inflatable tube

221: External thread

30: Wind nozzle

31: Casing parts

311: First End

312: Second End

313: Filling hole

314: Internal thread

315: American thread

316: French thread

32: Top needle

321: Cone

33: First airtight member

34: Second airtight member

90: High pressure gas cylinder

Figure 1: A three-dimensional external view of the inflation device for high-pressure gas cylinders and pumps applicable to this creation. Figure 2: A three-dimensional exploded view of the inflation device for high-pressure gas cylinders and pumps applicable to this creation. Figure 3: A view of the inflation device for high-pressure gas cylinders and pumps in use with the nozzle head connected to the high-pressure gas cylinder.

10: Inflatable device

20: Pump

21: Cylinder group

22: Inflatable tube

30: Wind mouth

311: First End

312: Second end

Claims (3)

A gas filling device applicable to a high-pressure gas cylinder and a pump comprises: a pump, the pump comprises a cylinder group and a gas filling pipe, one end of the gas filling pipe is connected to the cylinder group, and an outer threaded portion is arranged at an end of the gas filling pipe opposite to the cylinder group; a nozzle head, the nozzle head comprises a sleeve member, the sleeve member is provided with a first end and a second end opposite to the first end, a filling hole is arranged through the sleeve member, the filling hole connects the first end and the second end, an inner threaded portion, an American thread and a French thread are arranged in the filling hole, and the specification of the inner threaded portion is 3/8 " -24UNF and adjacent to the first end, the inner threaded portion is detachably connected to the outer threaded portion in a screw-locked manner, the American thread is adjacent to the second end and can be connected to a Schrader gas nozzle, and the French thread is arranged between the inner threaded portion and the American thread and can be connected to a Presta gas nozzle. As described in claim 1, the inflation device applicable to high-pressure gas cylinders and pumps, wherein the nozzle head includes a push pin, the push pin is arranged in the filling hole, and a conical portion is arranged at one end of the push pin, the conical portion is adjacent to the internal threaded portion, and the conical portion is conical and faces the internal threaded portion. An inflation device applicable to high-pressure gas cylinders and pumps as described in claim 2, wherein the nozzle head includes a first airtight part and a second airtight part, the first airtight part and the second airtight part are respectively annular and arranged in the filling hole, and the first airtight part is located between the American thread and the French thread, and the second airtight part surrounds the tapered portion and is located between the internal thread portion and the top pin.

Images