TWI550224B - Applicable to inflated high pressure cylinder structure improvement - Google Patents

Description

Improved structure for high pressure gas cylinders for pumping

The present invention relates to a "high-pressure gas cylinder structure improvement for air pumping", and more particularly to a high-pressure gas cylinder structure in which a high-pressure gas can be decompressed and maintained at a certain use pressure, and the high-pressure gas can be repeatedly filled.

According to the current high-pressure gas cylinder for disposable air pumping, it can be carried by the user and can be used for the inflation of the bicycle wheel. The bottle body 90 and the valve body 91 are separated (as shown in the eighth figure). It is used directly after opening the valve body 91. However, since the high-pressure gas inside the disposable high-pressure gas cylinder is not properly decompressed, it is easy to cause safety problems during use.

Moreover, after the disposable high-pressure gas cylinders are used, the empty bottles 90 are directly discarded, which causes waste and environmental protection problems, and is not economically practical; therefore, the above-mentioned conventional All kinds of shortcomings are necessary to further improve them.

The present inventors have in view of the current improvements in the conventional structure, so they have been engaged in the production and sales experience of related products for many years, and for the existing problems, the method of thinking and improvement has finally created a suitable application after many improvements and tests. The structure of the high pressure gas cylinder for pumping is improved.

Accordingly, the main object of the present invention is to provide a high-pressure gas cylinder which can be used for aeration after a high pressure gas can be used for a certain pressure. Structural improvement.

Another object of the present invention is to provide an easy operation and a simple component. Single, lightweight, easy to carry, suitable for air pumping high pressure cylinder structure improvement.

Another object of the present invention is to provide a reversible high pressure gas Filling, deep environmentally friendly and practical for the improvement of the structure of the high pressure gas cylinder for pumping.

In order to achieve the above object, the present invention proposes a high pressure gas suitable for pumping The bottle structure is improved, comprising: a cylinder body having a gas storage space, the top end of the cylinder body has a connecting portion, and the inside of the connecting portion has a first chamber axially connected, a second chamber, a third chamber and an air guiding duct, wherein the air guiding duct is in communication with the air storage space; and a pressure reducing component is mounted on the connecting portion of the cylinder body, The pressure reducing component is composed of a hollow fixed pressure shaft with a leakage preventing convex portion, a push rod with an axial perforation and a radial perforation, an upper cover, a knob and an air outlet; the constant pressure shaft system is placed in the first In the three-chamber chamber, the anti-slip protrusion of the fixed-pressure shaft is located in the second chamber to form a sealed state, and one end of the push rod is fixed to the upper cover, and the upper cover is fixed to the first chamber The top edge position is such that the push rod is different from the top end of the upper cover to abut against the top surface of the stop protrusion of the fixed pressure shaft, and the knob is fixed to the push rod; and the periphery of the connecting portion is provided with a The first air chamber is connected to the first air outlet, and the first air outlet is provided for the air outlet; a gas assembly, the inflatable component is mounted on the bottom of the cylinder body, the inflatable component is composed of a hollow fixing sleeve, a one-way valve and a hollow protective cover, and the fixing sleeve is fixed on the cylinder body a bottom portion, and one end of the fixing sleeve is for receiving the one-way valve, and the solid The outer periphery of the sleeve is provided for the protection cover to be fixed.

Wherein, the space of the first chamber is larger than the second chamber.

Wherein, the space of the second chamber is larger than the third chamber.

It may further include a stopper disposed at a bottom end of the constant pressure shaft.

The valve body may further include a valve body. The connecting portion is provided with a second air outlet communicating with the air storage space of the cylinder body and the air guiding passage, and the second air outlet is provided for the valve body.

Among them, the valve system is an explosion-proof valve.

It may further include a pressure gauge mounted on the second air outlet.

The air duct may be installed in the air storage space and fixed on the air guiding duct.

It may further include an elastic member, the two ends of the elastic member respectively abut against the bottom surface of the leakage protrusion and the bottom surface of the second chamber.

Wherein, the elastic element is a spring.

The drawings in accordance with the preferred embodiments of the present invention are further described below in order to enable those skilled in the art to practice the invention.

(part of the invention)

10‧‧‧ gas cylinder body

101‧‧‧ gas storage space

11‧‧‧Connecting Department

111‧‧‧First chamber

112‧‧‧Second chamber

113‧‧‧ third chamber

114‧‧‧ airway

115‧‧‧First vent

116‧‧‧Second air outlet

20‧‧‧Relief components

21‧‧‧Fixed shaft

211‧‧‧Stop vent

22‧‧‧Putting

221‧‧‧Axial perforation

222‧‧‧radial perforation

23‧‧‧Upper cover

24‧‧‧ knob

25‧‧‧ Vents

26‧‧‧Flexible components

30‧‧‧Inflatable components

31‧‧‧ fixed sets

32‧‧‧check valve

33‧‧‧ protective cover

40‧‧ ‧stop

50‧‧‧ valve body

60‧‧‧ pressure gauge

70‧‧‧ air duct

80‧‧‧ tires

81‧‧‧Inflatable mouth

A‧‧‧Disposable gas cylinders

B‧‧‧Connecting tube

(previous part)

90‧‧‧ bottle

91‧‧‧ valve body

The first figure is a schematic view of the stereoscopic appearance of the present invention.

The second drawing is a perspective exploded view of the present invention.

The third figure is a schematic cross-sectional view of the combination of the present invention.

The fourth figure is a schematic view showing the appearance of inflating a bicycle tire according to an embodiment of the present invention.

Figure 5 is a schematic cross-sectional view showing the inflation action of the embodiment of the present invention.

The sixth drawing is a schematic view (1) of the appearance of the gas cylinder body in the embodiment of the present invention.

The seventh figure is a schematic view of the appearance of the gas cylinder body in the embodiment of the present invention (2).

The eighth figure is a perspective exploded view of a conventional structure.

First, please refer to the first to seventh figures, which is a structural improvement of a high pressure gas cylinder suitable for pumping, comprising: a cylinder body 10 having a high pressure gas filled therein. a gas storage space 101, the top end of the gas cylinder body 10 has a connecting portion 11 integrally formed with the gas cylinder body 10. The inner portion of the connecting portion 11 has one axial chamber communicating with the first chamber 111 and a second chamber. a gas chamber 114 is connected to the gas storage space 101; a pressure reducing component 20 is installed in the gas cylinder body 10; The connecting portion 11, the decompression assembly 20 is composed of a hollow fixed pressure shaft 21 with a stop protrusion 211, a push rod 22 with an axial through hole 221 and a radial through hole 222, an upper cover 23, a knob 24 and an air outlet. The pressure-receiving shaft 21 is received in the third chamber 113 such that the anti-sag protrusion 211 of the constant-pressure shaft 21 is located in the second chamber 112 to form a sealed state, and the push rod One end of the 22 is fixed to the upper cover 23, and the upper cover 23 is fixed at a position near the top edge of the first chamber 111, so that the push rod 2 is 2 is different from the one end of the upper cover 23 to be pressed against the constant pressure The top surface of the shaft 21 is closed, and the knob 24 is fixed to the push rod 22; and the periphery of the connecting portion 11 is provided with a first air outlet 115 communicating with the first chamber 111. An air outlet 115 is provided for the air outlet 25; an air bearing assembly 30 is mounted on the bottom of the cylinder body 10, and the air assembly 30 is provided by a hollow fixing sleeve 31 and a check valve. And a hollow protective cover 33, the fixing sleeve 31 is fixed to the bottom of the cylinder body 10, and one end of the fixing sleeve 31 is received by the one-way valve 32, and the fixing sleeve 31 is outside the circumference. The edge is provided for the protective cover 33 to be fixed.

The space of the first chamber 111 is larger than the second chamber 112.

The space of the second chamber 112 is larger than the third chamber 113.

It may further include a stopper 40 which is disposed at the bottom end of the constant pressure shaft 21.

The second air outlet 116 is provided with a second air outlet 116, which is connected to the air storage space 101 of the cylinder body 10 and the air passage 114. The valve body 50 is mounted.

The valve body 50 is an explosion-proof valve.

It may further include a pressure gauge 60 that is mounted on the second air outlet 116.

The air duct 70 is further disposed in the air storage space 101 and is fixed on the air guide channel 114, and the air storage space 101 of the cylinder body 10 is filled with liquid CO. ₂ , after vaporizing the liquid CO ₂ , it is caused to escape into the air guiding channel 114 along the air guiding tube 70.

It may further comprise an elastic element 26, the two ends of which are divided into two Do not abut against the bottom surface of the anti-leakage protrusion 211 and the bottom surface of the second chamber 112.

Wherein, the elastic element 26 is a spring.

With the above combination, please continue to refer to the first to seventh figures. The cylinder body 10 and the connecting portion 11 of the present invention are integrally formed, and the pressure reducing assembly 20 is mounted on the connecting portion 11, and the air bearing assembly 30 is disposed at the bottom of the cylinder body 10, when the cylinder body 10 is When the high-pressure gas of the air storage space 101 is sufficient, the user can directly engage the air nozzles of the bicycle tires 80 with the air nozzles 25, and then turn the knobs 24 so that the high-pressure gas supplied by the cylinder body 10 can be utilized. It can achieve the purpose of inflating the tire 80, or it can be used for the rapid inflation of the tire of the steam locomotive, and can be conveniently carried by the user for use, which is convenient and practical.

The present invention enables high pressure in the cylinder body 10 by turning the knob 24 For the regulation of the gas, the user only needs to rotate the knob 24 to make the push rod 22 move upward, and the elastic restoring force of the elastic member 26 pushes against the sag 211 of the fixed pressure shaft 21, and the fixed pressure shaft 21 synchronous upward displacement, so that the stopper 40 at the bottom end of the fixed pressure shaft 21 is separated from the sealing state of the air guide passage 114, and the high pressure gas in the cylinder body 10 can be sequentially along the air guide passage 114, the hollow constant pressure shaft 21, and the push rod 22 The axial through hole 221, the radial through hole 222, and finally discharged from the first air outlet 115 (as shown in FIG. 5) can enter the inflation nozzle 81 of the tire 80 connected to the air outlet 25 for inflation. The user can appropriately adjust the knob 24 to further adjust the required high-pressure gas, so that the high-pressure gas in the cylinder body 10 can be depressurized and maintain a certain pressure of use, which is safer to use, and is not only simple in operation. Convenient, the overall composition of the components is simple, and the overall volume is light, easy to carry, deep Practicality.

When the user uses the pneumatic device, it is only necessary to tighten the knob 24 to make it connect The push rod 22 is displaced downward, and the push rod 22 pushes down against the stop projection 211 of the fixed pressure shaft 21, so that the elastic member 26 is compressed, and the stopper 40 at the bottom end of the fixed pressure shaft 21 resists the air passage 114. Therefore, the high-pressure gas in the cylinder body 10 is no longer supplied, so that the closing operation of the present invention can be completed, and the overall operation mode is simple and convenient, and has practical utility.

In addition, when the high pressure gas of the gas storage space 101 of the cylinder body 10 is used, After that, the user can directly use the disposable gas cylinder A for high-pressure gas replenishment (as shown in FIG. 6), and the user only needs to insert the disposable gas cylinder A interface into the protective cover 33 of the inflatable component 30, and one-way with the one-way When the valve 32 is connected, the high-pressure gas in the disposable cylinder A can be transported into the gas storage space 101 of the cylinder body 10, and the operation mode is simple and convenient; or the user can choose to remove the protective cover 33 of the inflatable assembly 30, The air is directly inflated by using an external high-pressure gas source such as an air compressor, and the connecting pipe B is connected to the fixed sleeve 31 to transport the high-pressure gas to the inside of the gas storage space 101 of the cylinder body 10, and the operation mode is simple. Convenient, and there will be no environmental problems caused by gas cylinders being discarded, which is environmentally friendly and practical.

In summary, the present invention is applicable to the improvement of the structure of the high-pressure gas cylinder for pumping, effectively The various shortcomings of the conventional structure are improved, and the main technical means of the present invention are not found in any related publications, and the application requirements of the invention patent are met in accordance with the law, and the application for the invention is requested by the bureau.

10‧‧‧ gas cylinder body

101‧‧‧ gas storage space

11‧‧‧Connecting Department

111‧‧‧First chamber

112‧‧‧Second chamber

113‧‧‧ third chamber

114‧‧‧ airway

115‧‧‧First vent

116‧‧‧Second air outlet

21‧‧‧Fixed shaft

211‧‧‧Stop vent

22‧‧‧Putting

221‧‧‧Axial perforation

222‧‧‧radial perforation

23‧‧‧Upper cover

24‧‧‧ knob

25‧‧‧ Vents

31‧‧‧ fixed sets

32‧‧‧check valve

33‧‧‧ protective cover

40‧‧ ‧stop

50‧‧‧ valve body

60‧‧‧ pressure gauge

70‧‧‧ air duct

Claims (10)

The invention relates to a structural improvement of a high-pressure gas cylinder suitable for pumping, comprising: a cylinder body having a gas storage space, the top of the cylinder body having a connecting portion, and the inside of the connecting portion has an axial connection a first chamber, a second chamber, a third chamber and an air guiding duct, the air guiding duct is in communication with the gas storage space; a pressure reducing component, the pressure reducing component is installed in the gas a connecting portion of the bottle body, the decompression assembly is composed of a hollow fixed pressure shaft with a leakage preventing convex portion, a push rod with axial perforation and radial perforation, an upper cover, a knob and an air outlet; The pressure shaft is disposed in the third chamber such that the sag of the fixed pressure shaft is located in the second chamber to form a sealed state, and one end of the push rod is fixed to the upper cover, and the upper cover is fixed Positioning the push rod at a top edge of the first chamber to prevent the one end of the upper cover from abutting against a top surface of the stop protrusion of the fixed pressure shaft, and the knob is fixed to the push rod; a peripheral edge of the connecting portion is provided with a first air outlet communicating with the first chamber, the first air outlet Provided for the air outlet; an inflatable component is mounted on the bottom of the cylinder body, the inflatable component is composed of a hollow fixing sleeve, a one-way valve and a hollow protective cover, the fixing The sleeve is fixed to the bottom of the cylinder body, and one end of the fixing sleeve is received by the one-way valve, and the outer periphery of the fixing sleeve is fixed for the protective cover. The structural improvement of the high pressure gas cylinder suitable for pumping as described in claim 1 is wherein the space of the first chamber is larger than the second chamber. The improvement of the structure of the high pressure gas cylinder suitable for pumping according to the first aspect of the patent application, wherein the space of the second chamber is larger than the third chamber. The structural improvement of the high pressure gas cylinder suitable for pumping as described in claim 1 of the patent application, further comprising a stopper disposed at a bottom end of the constant pressure shaft. The structural improvement of the high-pressure gas cylinder suitable for pumping as described in claim 1, further comprising a valve body, wherein the connecting portion is disposed at a position corresponding to a gas storage space of the cylinder body and the air guiding passage The second air outlet is provided for the valve body. The structure of the high pressure gas cylinder suitable for pumping is as described in claim 5, wherein the valve system is an explosion-proof valve. The structural improvement of the high pressure gas cylinder suitable for pumping as described in claim 5, further comprising a pressure gauge mounted on the second air outlet. The improvement of the structure of the high-pressure gas cylinder for air pumping, as described in claim 1, further comprising an air guiding tube installed in the air storage space and fixed on the air guiding channel. The structural improvement of the high-pressure gas cylinder suitable for pumping as described in claim 1, further comprising an elastic member, the two ends of the elastic member respectively abutting against the bottom surface of the anti-leakage protrusion and the second chamber The bottom surface. The structural improvement of the high pressure gas cylinder suitable for pumping as described in claim 9 of the patent application, wherein the elastic element is a spring.