Portable oxygen bottle

Abstract

The invention discloses a portable oxygen bottle which not only can reduce the load but also can reduce the use cost while meeting more oxygen requirements of a user. The portable oxygen bottle comprises a bottle body, a puncture outfit and a liquid oxygen bomb. A flow channel is formed in the bottle body, the bottle body is provided with a first end and a second end which are opposite to each other in the first direction, an inserting groove is formed in the first end, the groove bottom wall of the inserting groove is communicated with the flow channel, and an air outlet communicated with the flow channel is formed in the second end. The puncture outfit is arranged in the flow channel, and an overflowing hole is formed in the puncture outfit. Liquid oxygen is stored in the liquid oxygen bomb, the liquid oxygen bomb is used for being inserted into the inserting groove, the liquid oxygen bomb is provided with a head end facing the puncture outfit in the first direction, a weak part is formed at the head end, and the weak part is punctured by the puncture outfit so that the interior of the liquid oxygen bomb and the flow channel can be communicated through the overflowing hole.

Description

Technical Field

[0001] The present application relates to the technical field of oxygen cylinders, and in particular to a portable oxygen cylinder. Background Art

[0002] With the improvement of people's living standards, more and more people choose to travel to the plateau areas with unique scenery. Due to the high altitude in the plateau areas, travelers often suffer from lack of oxygen, the so-called altitude sickness. In order to improve the lack of oxygen, travelers often carry oxygen cylinders with them. If they stay on the plateau for a long time, they need to prepare or buy multiple oxygen cylinders.

[0003] The increase in oxygen cylinders carried increases the weight and volume of the traveler's backpack. On the other hand, oxygen cylinders are usually discarded after use, which pollutes and damages the plateau environment. Even if the empty cylinders can be recycled, the recycling rate is low due to the difficulty of recycling. In addition, buying multiple oxygen cylinders also increases the consumption cost of travelers. Summary of the invention

[0004] The present application provides a portable oxygen cylinder, which can not only reduce the weight but also reduce the cost of use while meeting the user's greater oxygen needs.

[0005] To achieve the above objectives, this application provides the following technical solutions:

[0006] The present application provides a portable oxygen cylinder, comprising a cylinder body, a puncture device and a liquid oxygen bomb.

[0007] The bottle body has a flow channel inside. Along the first direction, the bottle body has a first end and a second end opposite to each other. The first end is formed with a slot, the bottom wall of the slot is connected to the flow channel, and the second end is formed with an air outlet connected to the flow channel. The piercer is arranged in the flow channel, and a flow hole is formed inside the piercer. Liquid oxygen is stored inside the liquid oxygen bomb, and the liquid oxygen bomb is used to be inserted into the slot. Along the first direction, the liquid oxygen bomb has a head end facing the piercer, and a weak part is formed at the head end, and the weak part is pierced by the piercer so that the flow hole conducts the inside of the liquid oxygen bomb and the flow channel.

[0008] The above scheme provides an oxygen cylinder that is easy to carry. By replacing a smaller liquid oxygen bomb with a high compression ratio, more oxygen supply can be provided for outdoor or emergency scenarios to meet the demand for a larger oxygen supply. For example, in a single use scenario, a user can carry multiple liquid oxygen bombs and a bottle body. When oxygen supply is needed, a liquid oxygen bomb is inserted into the slot of the bottle body and punctured by a puncture device. The high-pressure liquid oxygen inside the liquid oxygen bomb can be quickly vaporized under the action of the internal and external pressure difference and flow through the flow hole and the flow channel to the air outlet for use by the user. At the same time, after the liquid oxygen in a liquid oxygen bomb is exhausted, a new liquid oxygen bomb is replaced to achieve a continuous supply of oxygen.

[0009] According to some embodiments of the present application, the bottle body includes a bottle body and a base, the bottle body and the base are detachably connected along a first direction, the slot is formed at an end of the base away from the bottle body, the air outlet is formed at an end of the bottle body away from the base, and the flow channel is formed inside the bottle body;

[0010] The piercer is arranged between the bottle body and the base, and is connected with the slot and the flow channel.

[0011] In the above scheme, by setting the bottle body in a split structure, on the one hand, it is convenient to assemble the piercer, so that the piercer can guide the oxygen to the flow channel and discharge it through the outlet after piercing the liquid oxygen bomb; on the other hand, since the bottle body and the base are detachably connected, the piercer can be replaced and maintained at any time to avoid the piercer being worn out after repeated use and not being sharp enough to pierce the liquid oxygen bomb.

[0012] According to some embodiments of the present application, along the first direction, a first groove is formed on a side of the base facing the bottle body, the groove bottom surface of the first groove is connected to the groove bottom surface of the slot, and a second groove is formed on a side of the bottle body facing the base, and the groove bottom surface of the second groove is connected to the flow channel;

[0013] The puncture device includes a puncture body and a flange formed on the puncture body. A part of the puncture body is located in the first groove and is used to puncture the weak part. Another part of the puncture body is inserted in the second groove to communicate with the flow channel. The flange is located in the first groove and abuts against the bottom surface of the first groove.

[0014] In the above scheme, the first groove is provided on the base to realize the positioning and fixing of the piercer, and the second groove is provided on the bottle body to allow the piercer to be partially inserted so as to guide the oxygen in the liquid oxygen bomb into the flow channel; at the same time, the connection relationship between the piercer and the bottle body is simple. After the bottle body and the base are detached from each other, the piercer is placed in the first groove, and then the bottle body and the base are assembled to complete the installation of the piercer.

[0015] According to some embodiments of the present application, the puncture body includes a base and a puncture tube, the base is formed with a through hole, the hole wall of the through hole is formed with an internal thread, the peripheral surface of the puncture device is formed with an external thread, and the puncture device is inserted into the through hole and screwed to the base.

[0016] In the above scheme, the puncture body has a simple structure and low maintenance cost. After the puncture device is used multiple times, the worn puncture tube can be disassembled and replaced with a new one to puncture the liquid oxygen bomb again.

[0017] According to some embodiments of the present application, a first heating sleeve is disposed inside the base, and the first heating sleeve is disposed around the slot to heat the liquid oxygen bomb located in the slot;

[0018] A secondary battery is arranged inside the bottle body, and the secondary battery is used to provide electric energy to the first heating jacket.

[0019] In the above scheme, a first heating sleeve is arranged around the slot to heat the liquid oxygen bomb, thereby facilitating the rapid conversion of liquid oxygen in the liquid oxygen bomb into gas so as to continuously output oxygen under low temperature conditions, or when the liquid oxygen in the liquid oxygen bomb has been converted into oxygen and is almost consumed with only a part remaining, the pressure is increased by heating the first heating sleeve, thereby facilitating the output of oxygen.

[0020] According to some embodiments of the present application, along the first direction, a first contact is provided on the side of the base facing the bottle body, and a second contact is provided on the side of the bottle body facing the base. The first contact is connected to the first heating sleeve through a wire, and the second contact is connected to the secondary battery through a wire. The first contact is used to make electrical contact with the second contact.

[0021] In the above solution, when the bottle body and the base are assembled in place, the first contact and the second contact are in contact with each other, so that a complete electrical circuit is formed between the secondary battery and the first heater, so that the secondary battery can provide electrical energy to the first heater.

[0022] According to some embodiments of the present application, the flow channel extends along a first direction, and an expansion section is formed at one end of the flow channel away from the slot, and the volume of the expansion section is greater than the volume of other parts of the flow channel.

[0023] In the above scheme, an expansion section is provided at one end of the flow channel near the gas outlet, so that the volume of oxygen is expanded and the pressure is released when flowing through the expansion section, so that it is discharged from the gas outlet with a good flow rate, and at the same time, it is also convenient for liquid oxygen to be completely converted into gaseous oxygen.

[0024] According to some embodiments of the present application, a second heating jacket is disposed inside the bottle body, the second heating jacket is disposed around the expansion section, and is used to heat the oxygen in the expansion section. The second heating jacket is electrically connected to the secondary battery, and the heating power of the second heating jacket is less than the heating power of the first heating jacket.

[0025] The bottle body is provided with a control panel, which is electrically connected to the secondary battery, the first heating jacket and the second heating jacket, and is used to control the operation of the first heating jacket and the second heating jacket.

[0026] In the above solution, the second heating jacket is arranged around the expansion section to heat the oxygen, thereby providing the user with oxygen at a suitable temperature. At the same time, since a control panel is provided, the user can selectively turn on or off the first heating jacket and the second heating jacket.

[0027] According to some embodiments of the present application, a card slot is formed at the second end, and a gas outlet is formed at the bottom surface of the card slot;

[0028] The portable oxygen cylinder also includes an oxygen inhalation mask, which is clamped in the clamping slot and communicated with the air outlet.

[0029] According to some embodiments of the present application, the liquid oxygen bomb includes a steel shell and a plastic cover. Liquid oxygen is contained inside the steel shell. The steel shell has an opening. The plastic cover is detachably connected to the steel shell and closes the opening. A weak portion is formed on the plastic cover. A one-way valve is arranged at the bottom of the steel shell.

[0030] The above scheme provides a recyclable liquid oxygen bomb. For example, after the liquid oxygen bomb is used, it needs to be replenished with liquid oxygen and formed into a closed container again for easy carrying. A new plastic cover is replaced for the empty liquid oxygen bomb so that the liquid oxygen bomb is a closed container without storing liquid oxygen, and then liquid oxygen is injected into the steel shell of the one-way valve box. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 This is a schematic diagram of the internal structure of a portable oxygen cylinder in some embodiments of the present application;

[0033] Figure 2 This is a schematic diagram of the structure of the bottle body in some embodiments of the present application;

[0034] Figure 3 This is a schematic diagram of the structure of the base in some embodiments of the present application;

[0035] Figure 4 This is a schematic diagram of the structure of the puncture device in some embodiments of the present application;

[0036] Figure 5Schematic diagram of a liquid oxygen bomb in some embodiments of the present application;

[0037] Figure 6 Schematic diagram of a plastic cover in some embodiments of the present application.

[0038] Icons: 100-portable oxygen cylinder, 10-bottle body, 11-flow channel, 110-expansion section, 12-slot, 13-gas outlet, 14-bottle body, 140-second groove, 15-base, 150-first groove, 16-first contact, 17-second contact, 20-puncture device, 21-flow hole, 22-puncture body, 220-base, 221-puncture tube, 23-flange, 30-liquid oxygen bomb, 31-weak part, 32-steel shell, 33-plastic cover, 34-one-way valve, 40-first heating sleeve, 41-secondary battery, 42-second heating sleeve, 50-oxygen mask. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0040] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0041] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0042] In the description of the embodiments of the present application, it should be understood that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the products of the application are conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0043] In the description of the embodiments of the present application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0044] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0045] See also Figure 1-Figure 5 , Figure 1 This is a schematic diagram of the internal structure of a portable oxygen cylinder in some embodiments of the present application. Figure 2 This is a schematic diagram of the structure of the bottle body in some embodiments of the present application. Figure 3 This is a schematic diagram of the structure of the base in some embodiments of the present application. Figure 4 This is a schematic diagram of the structure of the puncture device in some implementations of this application. Figure 5 This is a schematic diagram of a liquid oxygen bomb in some embodiments of the present application.

[0046] Some embodiments of the present application provide a portable oxygen cylinder 100, including a cylinder body 10, a piercer 20 and a liquid oxygen bomb 30. The interior of the cylinder body 10 has a flow channel 11. Along the first direction, the cylinder body 10 has a first end and a second end opposite to each other, the first end is formed with a slot 12, the bottom wall of the slot 12 is connected to the flow channel 11, and the second end is formed with an outlet 13 connected to the flow channel 11. The piercer 20 is arranged in the flow channel 11, and a flow hole 21 is formed inside the piercer 20. Liquid oxygen is stored inside the liquid oxygen bomb 30, and the liquid oxygen bomb 30 is used to be inserted into the slot 12. Along the first direction, the liquid oxygen bomb 30 has a head end facing the piercer 20, and a weak portion 31 is formed at the head end, and the weak portion 31 is pierced by the piercer 20 so that the flow hole 21 conducts the interior of the liquid oxygen bomb 30 and the flow channel 11.

[0047] In some embodiments, a unit of portable oxygen cylinder 100 may include a cylinder body 10, a piercer 20, and a plurality of liquid oxygen bombs 30. Exemplarily, a unit of portable oxygen cylinder 100 is provided to a user, and the unit of portable oxygen cylinder 100 may include a cylinder body 10, a piercer 20, and four liquid oxygen bombs 30.

[0048] Exemplarily, the main material of the bottle body 10 can be aluminum alloy. The main material of the puncture device 20 can be aluminum alloy, steel, stainless steel, titanium alloy or other metal materials or non-metal materials with high hardness. The liquid oxygen bomb 30 includes a shell structure, and liquid oxygen can be contained inside. The main material of the shell structure can include aluminum alloy, steel, stainless steel or reinforced plastic.

[0049] Generally, the liquid oxygen bomb 30 can be filled with liquid oxygen of a fixed quantity and pressure when it leaves the factory. Meanwhile, when the consumer uses it later, the liquid oxygen bomb 30 can be recycled to be filled with liquid oxygen again.

[0050] The weak portion 31 can be understood as a part of the shell of the liquid oxygen bomb 30 that is easily pierced by the piercer 20. Exemplarily, the shell of the liquid oxygen bomb 30 is a steel shell 32, and the thickness of one wall of the shell is less than the thickness of the other wall. For example, the wall of the main part of the shell is 5 mm, and the wall thickness of the part corresponding to the weak portion 31 can be 2 mm.

[0051] The above scheme provides an oxygen cylinder that is easy to carry. By replacing a liquid oxygen bomb 30 with a smaller volume and a high compression ratio, more oxygen supply can be provided for outdoor or emergency scenes to meet the demand for a larger oxygen supply. For example, in a single use scenario, a user can carry multiple liquid oxygen bombs 30 and a bottle body 10. When oxygen supply is needed, a liquid oxygen bomb 30 is inserted into the slot 12 of the bottle body 10 and punctured by the puncture device 20. The high-pressure liquid oxygen inside the liquid oxygen bomb 30 can be quickly vaporized under the action of the internal and external pressure difference and flow through the flow hole 21 through the flow channel 11 to the air outlet 13 for the user to use. At the same time, after the liquid oxygen in a liquid oxygen bomb 30 is exhausted, a new liquid oxygen bomb 30 is replaced to achieve a continuous supply of oxygen.

[0052] According to some embodiments of the present application, the bottle body 10 includes a bottle body 14 and a base 15, the bottle body 14 is detachably connected to the base 15 along a first direction, the slot 12 is formed at one end of the base 15 away from the bottle body 14, the air outlet 13 is formed at one end of the bottle body 14 away from the base 15, and the flow channel 11 is formed inside the bottle body 14. The piercer 20 is disposed between the bottle body 14 and the base 15, and connects the slot 12 and the flow channel 11.

[0053] In some embodiments, the bottle body 14 and the base 15 can be assembled into one piece by means of screw connection, snap connection, etc.

[0054] In some embodiments, the liquid oxygen bomb and the slot may be connected via threads.

[0055] In the above scheme, by setting the bottle body 10 in a split structure, on the one hand, it is convenient to assemble the piercer 20, so that the piercer 20 can guide the oxygen to the flow channel 11 and discharge it through the outlet 13 after piercing the liquid oxygen bomb 30; on the other hand, since the bottle body 14 and the base 15 are detachably connected, the piercer 20 can be replaced and maintained at any time to avoid the piercer 20 being worn out after repeated use and not being sharp enough to pierce the liquid oxygen bomb 30.

[0056] According to some embodiments of the present application, along the first direction, a first groove 150 is formed on one side of the base 15 facing the bottle body 14, and the groove bottom surface of the first groove 150 is communicated with the groove bottom surface of the insertion slot 12, and a second groove 140 is formed on one side of the bottle body 14 facing the base 15, and the groove bottom surface of the second groove 140 is communicated with the flow channel 11. The piercer 20 includes a piercing body 22 and a flange 23 formed on the piercing body 22, a portion of the piercing body 22 is located in the first groove 150, and is used to pierce the weak portion 31, and another portion of the piercing body 22 is inserted in the second groove 140 to communicate with the flow channel 11, and the flange 23 is located in the first groove 150 and abuts against the groove bottom surface of the first groove 150.

[0057] In some embodiments, a sealing ring may be provided between the puncture body 22 and the first groove 150 and the second groove 140 to reduce the risk of oxygen leakage.

[0058] In the above scheme, the first groove 150 is provided on the base 15 to realize the positioning and fixing of the piercer 20, and the second groove 140 is provided on the bottle body 14 for partial insertion of the piercer 20 so as to guide the oxygen in the liquid oxygen bomb 30 into the flow channel 11; at the same time, the connection relationship between the piercer 20 and the bottle body 10 is simple. After the bottle body 14 and the base 15 are detached from each other, the piercer 20 is placed in the first groove 150, and then the bottle body 14 and the base 15 are assembled to complete the installation of the piercer 20.

[0059] According to some embodiments of the present application, the puncture body 22 includes a base 220 and a puncture tube 221, the base 220 is formed with a through hole, the hole wall of the through hole is formed with an internal thread, the peripheral surface of the puncture device 20 is formed with an external thread, and the puncture device 20 is inserted into the through hole and screwed to the base 220.

[0060] In the above solution, the puncture body 22 has a simple structure and low maintenance cost. After the puncture device 20 times of use, the worn puncture tube 221 can be disassembled and replaced with a new one to puncture the liquid oxygen bomb 30 again.

[0061] According to some embodiments of the present application, a first heating sleeve 40 is disposed inside the base 15, and the first heating sleeve 40 is disposed around the slot 12 to heat the liquid oxygen bomb 30 located in the slot 12. A secondary battery 41 is disposed inside the bottle body 14, and the secondary battery 41 is used to provide electrical energy to the first heating sleeve 40.

[0062] In some embodiments, the first heating sleeve 40 is a resistance heating structure, which may be a structure formed by winding one or more heating wires.

[0063] Exemplarily, a groove is formed at the bottom of the base 15 , and the groove is an annular groove and is arranged around the slot 12 .

[0064] For example, the base 15 may be a plastic structure, and the bottle body 14 may be a metal structure. The first heating sleeve 40 may be disposed inside the base 15 by injection molding.

[0065] In some embodiments, a switch may be provided on the wall of the base 15 , and the switch is used to control whether the first heating jacket 40 is powered on.

[0066] In the above scheme, a first heating sleeve 40 is arranged around the slot 12, which can heat the liquid oxygen bomb 30, thereby facilitating the rapid conversion of liquid oxygen in the liquid oxygen bomb 30 into gas so as to continuously output oxygen under low temperature conditions, or when the liquid oxygen in the liquid oxygen bomb 30 has been converted into oxygen and is almost consumed with only a part remaining, the pressure is increased by heating the first heating sleeve 40, thereby facilitating the output of oxygen.

[0067] According to some embodiments of the present application, along the first direction, a first contact 16 is provided on the side of the base 15 facing the bottle body 14, and a second contact 17 is provided on the side of the bottle body 14 facing the base 15. The first contact 16 is connected to the first heating sleeve 40 through a wire, and the second contact 17 is connected to the secondary battery 41 through a wire. The first contact 16 is used to make electrical contact with the second contact 17.

[0068] The first contact 16 and the second contact 17 are metal contacts, which are used to realize electrical connection between the first heating jacket 40 and the secondary battery 41 .

[0069] In the above solution, when the bottle body 14 and the base 15 are assembled in place, the first contact 16 and the second contact 17 contact each other, so that a complete electrical circuit is formed between the secondary battery 41 and the first heater, so that the secondary battery 41 can provide electrical energy to the first heater.

[0070] According to some embodiments of the present application, the flow channel 11 extends along the first direction, and an expansion section 110 is formed at one end of the flow channel 11 away from the slot 12 , and the volume of the expansion section 110 is greater than the volume of other parts of the flow channel 11 .

[0071] In the above scheme, an expansion section 110 is provided at one end of the flow channel 11 near the gas outlet 13, so that the volume of oxygen is expanded and the pressure is released when the oxygen flows through the expansion section 110, so that the oxygen is discharged from the gas outlet 13 with a good flow rate, and at the same time, the liquid oxygen is completely converted into gaseous oxygen.

[0072] According to some embodiments of the present application, a second heating jacket 42 is disposed inside the bottle body 14, and the second heating jacket 42 is disposed around the expansion section 110, and is used to heat the oxygen in the expansion section 110, and the second heating jacket 42 is electrically connected to the secondary battery 41, and the heating power of the second heating jacket 42 is less than the heating power of the first heating jacket 40. The bottle body 10 is provided with a control panel, and the control panel is electrically connected to the secondary battery 41, the first heating jacket 40, and the second heating jacket 42, and is used to control the operation of the first heating jacket 40 and the second heating jacket 42.

[0073] It should be noted that the second heating jacket 42 is used to heat oxygen, and its power may be less than that of the first heating jacket 40. For example, when liquid oxygen is converted into oxygen, heat is released, and its temperature may be lower than 5 degrees Celsius. In order to reduce the discomfort caused by low-temperature oxygen to the user, the second heating jacket 42 is provided so that the oxygen discharged from the air outlet 13 can be heated to above 10 degrees Celsius.

[0074] In the above solution, the second heating jacket 42 is arranged around the expansion section 110 to heat the oxygen, thereby providing the user with oxygen at a suitable temperature. At the same time, since a control panel is provided, the user can selectively open or close the first heating jacket 40 and the second heating jacket 42.

[0075] According to some embodiments of the present application, a slot is formed at the second end, and the bottom of the slot forms an air outlet 13. The portable oxygen cylinder 100 further includes an oxygen mask 50, which is snapped into the slot and communicated with the air outlet 13.

[0076] In some embodiments, the oxygen mask 50 may be provided with through holes to facilitate mixing of oxygen discharged from the external space and the liquid oxygen bomb 30 , thereby reducing the risk of oxygen poisoning.

[0077] According to some embodiments of this application, see Figure 6 , Figure 6 Schematic diagram of the plastic cover 33 in some embodiments of the present application. The liquid oxygen bomb 30 includes a steel shell 32 and a plastic cover 33. The steel shell 32 contains liquid oxygen. The steel shell 32 has an opening. The plastic cover 33 is detachably connected to the steel shell 32 and closes the opening. The plastic cover 33 is formed with a weak portion 31. A one-way valve 34 is arranged at the bottom of the steel shell 32.

[0078] See also Figure 6The thickness of a part of the plastic cover 33 is relatively thin to form a weak portion 31 , which is convenient for the puncture device 20 to puncture.

[0079] The above scheme provides a recyclable liquid oxygen bomb 30. For example, after the liquid oxygen bomb 30 is used, liquid oxygen needs to be replenished and a closed container needs to be formed again for easy carrying. A new plastic cover 33 is replaced for the empty liquid oxygen bomb 30 so that the liquid oxygen bomb 30 is a closed container without storing liquid oxygen. Liquid oxygen is then injected into the steel shell 32 through the one-way valve 34.

[0080] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A portable oxygen cylinder, characterized in that: include: A bottle body, wherein the bottle body has a flow channel inside, and along a first direction, the bottle body has a first end and a second end opposite to each other, the first end is formed with a slot, the bottom wall of the slot is connected to the flow channel, and the second end is formed with an air outlet connected to the flow channel; A puncture device is arranged in the flow channel, and a flow hole is formed inside the puncture device; A liquid oxygen bomb, storing liquid oxygen inside, is used to be inserted into the slot. Along the first direction, the liquid oxygen bomb has a head end facing the piercer, and a weak portion is formed on the head end. The weak portion is pierced by the piercer so that the flow hole connects the interior of the liquid oxygen bomb and the flow channel.

2. The portable oxygen cylinder according to claim 1, characterized in that: The bottle body comprises a bottle body and a base, the bottle body is detachably connected to the base along the first direction, the slot is formed at one end of the base away from the bottle body, the air outlet is formed at one end of the bottle body away from the base, and the flow channel is formed inside the bottle body; The piercer is arranged between the bottle body and the base, and communicates with the slot and the flow channel.

3. The portable oxygen cylinder according to claim 2, characterized in that: Along the first direction, a first groove is formed on the side of the base facing the bottle body, and the bottom surface of the first groove is communicated with the bottom surface of the slot, and a second groove is formed on the side of the bottle body facing the base, and the bottom surface of the second groove is communicated with the flow channel; The puncture device includes a puncture body and a flange formed on the puncture body, a portion of the puncture body is located in the first groove and is used to puncture the weak portion, another portion of the puncture body is inserted in the second groove to communicate with the flow channel, and the flange is located in the first groove and abuts against the bottom surface of the first groove.

4. The portable oxygen cylinder according to claim 3, characterized in that: The puncture body comprises a base body and a puncture tube. The base body is formed with a through hole. The hole wall of the through hole is formed with an internal thread. The peripheral surface of the puncture device is formed with an external thread. The puncture device is inserted into the through hole and screwed to the base body.

5. The portable oxygen cylinder according to claim 2, characterized in that: A first heating sleeve is disposed inside the base, and the first heating sleeve is disposed around the slot and is used to heat the liquid oxygen bomb located in the slot; A secondary battery is arranged inside the bottle body, and the secondary battery is used to provide electrical energy to the first heating sleeve.

6. The portable oxygen cylinder according to claim 5, characterized in that: Along the first direction, a first contact is arranged on the side of the base facing the bottle body, and a second contact is arranged on the side of the bottle body facing the base. The first contact is connected to the first heating sleeve through a wire, and the second contact is connected to the secondary battery through a wire. The first contact is used to make electrical contact with the second contact.

7. The portable oxygen cylinder according to claim 5, characterized in that: The flow channel extends along the first direction, and an expansion section is formed at one end of the flow channel away from the slot, and the volume of the expansion section is greater than the volume of other parts of the flow channel.

8. The portable oxygen cylinder according to claim 7, characterized in that: A second heating jacket is disposed inside the bottle body, and the second heating jacket is disposed around the expansion section and is used to heat the oxygen in the expansion section. The second heating jacket is electrically connected to the secondary battery, and the heating power of the second heating jacket is less than the heating power of the first heating jacket. Wherein, the bottle body is provided with a control panel, and the control panel is electrically connected to the secondary battery, the first heating jacket and the second heating jacket, and is used to control the operation of the first heating jacket and the second heating jacket.

9. The portable oxygen cylinder according to any one of claims 1 to 8, characterized in that: The second end is formed with a card slot, and the bottom surface of the card slot forms the air outlet; The portable oxygen cylinder also includes an oxygen inhalation mask, which is snapped into the snap slot and communicated with the air outlet.

10. The portable oxygen cylinder according to any one of claims 1 to 8, characterized in that: The liquid oxygen bomb comprises a steel shell and a plastic cover, wherein the steel shell contains liquid oxygen, the steel shell has an opening, the plastic cover is detachably connected to the steel shell and closes the opening, and the plastic cover is formed with the weak portion; A one-way valve is arranged on the bottom of the steel shell.

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